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Where Supply Chain Management is so easy

• Bahasa Indonesia

Apa itu Route Planning? – Panduan Lengkap

Table of Contents

Apa itu routing kendaraan dalam logistik?

Route planning fokus pada penentuan rute paling optimal untuk armada kendaraan Anda, mengingat kendala operasional yang mungkin terjadi, seperti window time , panjang rute, dan sebagainya.

Ini membantu Anda, atau manajer armada, untuk merencanakan rute yang bisa memaksimalkan efisiensi armada sekaligus meminimalkan biaya pengiriman last-mile .

Route planning berusaha untuk menemukan rute paling pendek bagi kendaraan untuk mengunjungi semua tujuan dan kembali ke titik awal.

Misalnya, Anda harus menyelesaikan 2000 pengiriman dengan 40 kendaraan sehari. Pertanyaannya, bagaimana Anda akan menugaskan pengiriman ke pengemudi dan merencanakan urutan pengiriman?

Nah, Anda harus merencanakan rute dengan mempertimbangkan berbagai kendala pengiriman yang mungkin terjadi, seperti konsumsi bahan bakar, kemacetan lalu lintas, window time , dan sebagainya.

Penanganan yang ngga tepat dari kendala-kendala tersebut, akan membuat operasi pengiriman Anda menjadi lebih rumit dan mahal.

Sebelum kita lanjutkan bahasan menarik ini, pastikan Anda juga sudah bergabung dengan scmguide telegram channel supaya Anda ngga ketinggalan update artikel-artikel lainnya dari blog ini yang pastinya bermanfaat.

Mengapa route planning penting?

Route planning sangat penting untuk meningkatkan kinerja keuangan Anda dan pengalaman customer , tentunya.

Proses perencanaan ini ngga cuma akan meningkatkan kinerja pengiriman harian Anda, tapi juga membantu Anda untuk menentukan strategi pengiriman paling baik untuk Anda terapkan dan potensi dampak perubahan pada bisnis Anda.

Banyak organisasi menggunakan route planning sebagai bagian dari program peningkatan berkelanjutan mereka untuk mengidentifikasi area di mana perubahan pada proses, kebijakan, dan perilaku pengemudi misalnya, bisa menyebabkan pengurangan biaya secara signifikan dan peningkatan dramatis dalam layanan customer .

Route planning sangat penting untuk memberikan kenyamanan lebih bagi para pengemudi dan meningkatkan produktivitas bisnis Anda.

Proses ini sangat penting untuk setiap perusahaan dengan kebutuhan akan logistik, pengiriman, rute pengiriman, jadwal bisnis, atau layanan lapangan.

Ada beberapa alasan paling masuk akal untuk punya route planning dalam bisnis Anda.

Ayo kita lihat.

Memotong biaya transportasi

Salah satu tantangan paling besar yang banyak pemilik bisnis hadapi adalah biaya transportasi yang tinggi.

Mereka ngga cuma harus menanggung biaya bahan bakar, tapi juga biaya perawatan kendaraan yang tinggi.

Dan hal itu cuma karena beberapa alasan berikut:

• Pengemudi harus berhenti di beberapa tujuan (terutama karena lalu lintas atau jalan tol padat)
• Pengemudi harus menjalani waktu mengemudi yang lama karena rute yang ngga Anda rencanakan sebelumnya
• Risiko pemborosan bahan bakar yang lebih tinggi
• Keausan kendaraan yang lebih tinggi karena kurangnya efisiensi

Untuk mengatasi tantangan tersebut, Anda perlu menyertakan solusi pengoptimalan rute dalam bisnis Anda supaya punya jadwal, serta pengiriman yang efisien dan efektif.

Solusi ini membantu Anda untuk mengurangi bahan bakar, tenaga kerja, dan, yang paling penting, biaya perawatan kendaraan.

Selain itu, solusi rute yang dioptimalkan juga membantu pengemudi dengan instruksi yang jelas tentang pemetaan jalan dan membantu mengurangi biaya transportasi untuk keseluruhan bisnis Anda.

Peningkatan dalam layanan customer

Dengan penemuan-penemuan baru di dunia teknologi saat ini, ekspektasi customer pada sebuah bisnis sudah meningkat ke tingkat yang lebih tinggi.

Singkatnya, customer butuh pengiriman dan waktu respons yang cepat dari Anda.

Faktor-faktor ini sangat penting untuk meningkatkan produktivitas bisnis dan juga pengalaman yang lebih baik bagi customer .

Ingat, pengalaman customer yang baik adalah pusat keberhasilan setiap bisnis.

Sistem route planning , menggunakan pembelajaran mesin dan platform kecerdasan buatan, membantu Anda mencapai tujuan tersebut.

Selain itu, solusi semacam itu juga memungkinkan Anda untuk menangani jadwal yang ketat dan membuat perubahan pada rute tanpa memengaruhi keseluruhan jadwal Anda.

Ingatlah kalau pengalaman pengiriman yang buruk akan mempengaruhi supply chain Anda dan membuat customer malah berubah menjadi pesaing Anda.

Membantu Anda melakukan perencanaan yang lebih baik

Perencanaan menjadi sangat penting kalau bisnis Anda punya beberapa tujuan dalam satu hari dan terus bertambah.

Membuat strategi perencanaan yang lebih baik akan memudahkan Anda mengelola pengiriman ke beberapa tujuan dengan cepat dan efisien.

Pengoptimalan rute membantu Anda mengatur semua tujuan Anda dengan rute multi-stop untuk hari itu.

Anda cuma perlu memasukkan alamat tujuan Anda dan biarkan software pengoptimalan rute melakukan semua kerja keras itu untuk Anda dan menyediakan rute pengiriman paling baik yang harus armada tempuh.

Ini juga memberi Anda output dengan mempertimbangkan waktu, jarak, dan lokasi.

Anda akan menghemat lebih banyak waktu di jalan dan bisa mencapai semua tujuan Anda karenanya.

Anda juga pasti suka:

• 6 Cara Mengelola Operasi Logistik Anda Dengan Efisien
• 8 Cara Menghilangkan Pemborosan Dari Supply Chain Anda

Peningkatan produktivitas bisnis

Saya yakin kalau bisnis Anda punya banyak tugas yang harus Anda lakukan setiap hari.

Dan untuk melakukan tugas tersebut, daftar tujuan pengiriman Anda juga akan meningkat secara bertahap, jadi menjadi lebih sulit bagi Anda untuk mengatasi situasi tersebut.

Perencana rute yang tepat dan akurat akan bisa membantu Anda mengatasi tantangan tersebut.

Saat ini, perencana rute punya lebih banyak alamat dan pemberhentian dibandingkan sebelumnya.

Google Maps adalah perencana rute yang bekerja secara stop-by-stop dengan fitur terbatas, dan cuma menunjukkan rute dari sumber ke tujuan.

Sedangkan solusi route planning membantu Anda mencapai 20, 50, atau bahkan 100 tempat dalam satu hari dengan mempertimbangkan berbagai faktor seperti kerangka waktu, pergantian pengemudi, jumlah pemberhentian, dan bahkan perubahan pemberhentian.

Peran utama perencana rute adalah untuk memastikan kalau bisnis Anda mencapai semua titik tujuan dan mengatur pemberhentian secara efisien berdasarkan lokasi Anda.

Peningkatan keamanan

Sekarang, pertimbangkan skenario kalau Anda mengirim driver Anda untuk mencapai suatu tujuan tanpa rute yang Anda rencanakan sebelumnya.

Ini akan mengakibatkan hilangnya waktu mengemudi, tenaga, dan, yang paling penting, stres yang signifikan karena pengemudi harus berhadapan dengan jalan yang ngga mereka kenal, lalu lintas yang buruk, penutupan jalan, atau pengalihan jalan.

Hal ini sering mengakibatkan pengemudi menjadi cemas. Dan ada lebih banyak lagi kemungkinan risiko di jalan, untuk diri mereka sendiri, atau pun orang lain.

Keselamatan adalah aspek prioritas utama yang perlu Anda fokuskan dalam bisnis Anda, dan ini bisa dimungkinkan dengan punya rute yang jelas.

Kalau Anda punya route planning yang tepat, Anda dan pengemudi Anda bisa dengan mudah memprediksi satu rute yang mudah dilalui.

Jadi, menjadi mudah untuk Anda kalau merencanakan rute terpendek untuk armada Anda lalui dalam rangka meminimalkan risiko sekaligus memaksimalkan potensi produktivitas armada Anda.

Apa saja jenis route planning ?

Route planning sangat penting untuk bisnis karena itu memungkinkan terjadinya pengiriman yang lebih cepat dan akurat.

Sekarang, ayo kita bahas beberapa jenis route planning umum yang bisa memudahkan Anda mengidentifikasi route planning paling baik untuk kebutuhan bisnis Anda.

Route planning dinamis

Route planning dinamis membantu Anda mengidentifikasi dan me-rute-kan ulang aset dengan cepat.

Hasilnya, Anda bisa dengan gampang menentukan lokasi kendaraan kapan saja dan membantu pengemudi Anda, terutama saat mereka terjebak macet atau mogok.

Dengan bantuan route planning dinamis, Anda punya opsi untuk menugaskan kendaraan lain yang tersedia untuk menyelesaikan proses pengiriman.

Anda perlu mempertimbangkan berbagai faktor penting ketika merencanakan untuk mengubah rute kendaraan, seperti window time pengiriman customer dan jam kerja pengemudi.

Route planning multistop

Dalam jenis route planning ini, Anda bisa secara efisien merencanakan rute pengiriman dengan beberapa pemberhentian.

Anda bisa dengan gampang membuat dan menetapkan rute ke driver pengiriman Anda.

Bagian yang baik dari software route planning adalah menentukan rute terbaik dan memprediksi perkiraan waktu kedatangan pengiriman.

Routing jalur tertutup

Routing jalur tertutup adalah akan memberi Anda rencana rute dalam jalur berbentuk “U”.

Sederhananya, ini akan membantu pengemudi Anda untuk memulai perjalanan mereka dari depot dan mengirimkannya kembali ke pemberhentian terakhir di dekat depot.

Salah satu contoh terbaik untuk konsep ini adalah pusat distribusi. Di sinilah kendaraan dimuat sebelum pengiriman dan harus kembali ke lokasi awal di akhir perjalanan.

Routing jalur terbuka

Routing jalur terbuka dirancang khusus untuk bisnis dengan jumlah pemberhentian maksimum yang akan dicakup dalam periode paling pendek.

Perusahaan logistik pihak ketiga (3PL) yang ngga wajib kembali ke depot sesudah pengiriman, memanfaatkan jenis routing ini.

Bisnis pengiriman makanan menggunakan rute jalur terbuka.

Alasan di baliknya adalah itu bisa membantu mereka melakukan pengiriman lebih cepat.

Routing jalur terbuka terbalik

Berbeda dengan routing jalur terbuka, perencanaan jenis ini akan dimulai dari pemberhentian paling jauh dari depo.

Kemudian, itu akan menghasilkan rute bagi pengemudi pengiriman Anda untuk melakukan perjalanan kembali ke depot.

Jenis perutean ini paling baik Anda gunakan untuk kendaraan yang membawa beban berat dan akan membantu Anda meningkatkan efisiensi bahan bakar.

Selain itu, pilihan terbaik adalah memulai dari pemberhentian terdekat dari depot untuk menghemat bahan bakar dan uang.

Contoh yang menggunakan jenis routing ini adalah pabrik distribusi yang dengan gampang mengumpulkan barang-barang yang perlu dikirim langsung kembali ke depot.

Routing depot-ke-depot

Perutean depot-ke-depot adalah pilihan terbaik untuk bisnis yang perlu merencanakan rute pengiriman mereka di jalur terarah dari satu ke depot lain di jalur yang dioptimalkan.

Jenis perutean ini adalah pilihan terbaik untuk kendaraan yang memulai dengan muatan kosong/penuh.

Pengemudi perlu mengambil / menurunkan barang dan mengirimkannya ke customer .

Sering kali, ada kebingungan besar antara route planning dan optimasi rute.

Untuk menghilangkan kebingungan seperti itu, ayo kita lihat perbedaan di antara keduanya di bagian selanjutnya.

• 7 Cara Menghitung Efisiensi Armada dan Meningkatkannya
• Dampak Kenaikan Harga dan Cara Menghemat Bahan Bakar Pada Bisnis Logistik

Apa elemen kunci dari route planning ?

Route planning memberi Anda rute yang dioptimalkan dengan mempertimbangkan faktor-faktor seperti kendala kapasitas kendaraan, waktu perjalanan, dan biaya transportasi, sedangkan penjadwalan mengoptimalkan beban kerja dan ketersediaan tenaga kerja.

Bagaimana Anda melakukan perutean dalam logistik?

Perutean, penjadwalan rute, dan optimalisasi rute.

Perbedaan antara perutean, penjadwalan rute, dan optimisasi rute meliputi hal-hal berikut ini.

Perutean didefinisikan sebagai proses menciptakan rute yang paling hemat biaya melalui minimalisasi jarak atau waktu tempuh yang diperlukan untuk mencapai serangkaian pemberhentian yang direncanakan.

Perutean adalah proses penting dari sistem logistik, terutama karena persaingan yang tinggi dan margin yang menyempit di pasar global.

Perutean barang dan jasa bisa menimbulkan biaya besar untuk pengoperasian kendaraan, bahan bakar, tenaga kerja, dan pemeliharaan.

Jadi, pastikan Anda melakukannya dengan baik.

Penjadwalan rute

Penjadwalan rute adalah proses menetapkan waktu kedatangan dan layanan untuk setiap pemberhentian, dengan pengemudi ditugaskan shift yang mematuhi jam kerja.

Tujuan dari routing dan penjadwalan rute adalah untuk secara efektif mengurangi pengeluaran Anda, seperti pengeluaran untuk jarak tempuh dan biaya modal kendaraan, misalnya.

Optimasi rute

Optimalisasi rute adalah proses perencanaan satu atau beberapa rute, dengan tujuan meminimalkan biaya keseluruhan, sambil mencapai kinerja setinggi mungkin di bawah serangkaian kendala yang Anda perhitungkan.

5 hal yang harus Anda tahu tentang bagaimana route planning bisa membantu mengembangkan bisnis Anda

Software route planning bisa membantu Anda mengembangkan bisnis Anda dalam beberapa cara.

Ini memungkinkan Anda untuk memberikan layanan yang lebih baik dengan meningkatkan kecepatan dan akurasi pengiriman Anda.

Proses ini juga akan menghasilkan kepuasan customer dan reputasi yang lebih baik untuk bisnis Anda.

Berikut adalah lima hal yang harus Anda tahu tentang route planning untuk logistik.

Memenuhi kebutuhan customer

Dengan bisa memberikan waktu pengiriman yang lebih akurat dan window time yang lebih singkat, Anda akan bisa memenuhi harapan customer .

Anda juga bisa membuat customer tetap up to date melalui metode komunikasi pilihan mereka, baik itu berupa SMS, atau email, misalnya.

Anda juga bisa lebih fleksibel tentang di mana saat Anda mengirimkan barang.

Dengan meningkatkan layanan customer Anda, Anda akan menerima ulasan dan referensi positif dari mereka.

Mengurangi biaya bahan bakar

Software route planning juga memantau efisiensi bahan bakar armada Anda, jadi Anda bisa mengurangi biayanya.

Ini juga membantu Anda menemukan Anda rute yang paling hemat biaya, jadi Anda benar-benar bisa mengoptimalkan perjalanan Anda untuk efisiensi secara umum.

Pantau kinerja pengemudi

Jaga supaya pengemudi Anda tetap aman dan dalam pengawasan dengan memantau kinerjanya.

Anda bisa memastikan setiap pengemudi mengikuti peraturan dan jadwal yang benar.

Anda juga bisa memantau keamanan mengemudi mereka.

Ini akan membantu Anda mengetahui apakah Anda punya tautan yang lemah.

Route planning memantau berbagai KPI yang memengaruhi pertumbuhan bisnis Anda.

Ini termasuk waktu pengiriman, penundaan, biaya bahan bakar, dan waktu rata-rata, serta biaya pengiriman.

Dengan data ini, Anda bisa fokus pada area yang perlu Anda tingkatkan.

Lebih maju dibandingkan dengan pesaing Anda

Customer mengharapkan layanan pengiriman yang cepat dan andal dengan pembaruan terus-menerus.

Jadi, kalau Anda bisa menyediakan ini, Anda akan bisa mengungguli pesaing Anda dan menjadi brand terkemuka di industri Anda.

Route planning bisa membuat proses transportasi Anda berjalan lebih efektif dan efisien.

Yang pada akhirnya, bisa membuat operasional Anda punya cost-effectiveness yang tentunya akan meningkatkan profit bisnis Anda secara keseluruhan.

Jangan lupa dengan keunggulan kompetitif yang juga akan Anda punya dibandingkan dengan kompetitor Anda.

Dengan begitu banyaknya manfaat yang bisa Anda dapatkan dengan route planning , tentu saja Anda ngga bisa mengabaikan proses ini begitu saja sebagai bagian dari kesuksesan bisnis Anda.

“Kalau anda pikir artikel ini bermanfaat, bagikan juga ke rekan-rekan anda lainnya dan gabung dengan scmguide telegram channel untuk mendapatkan artikel bermanfaat lainnya dari blog ini.”

Bagikan ini:

Menyukai ini:.

Dicky Saputra

16+ tahun berkecimpung di bidang supply chain management. Saya membantu perusahaan meningkatkan kinerja supply chain secara keseluruhan.

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Apa Terjemahan dari "assignment" di bahasa Indonesia?

"assignment" bahasa indonesia terjemahan, assignment {kt bnd}.

• volume_up tugas
• pengangkatan
• penyerahan hak atau milik

assign {kt krj dgn obj.}

• volume_up menyebutkan dg pasti
• menempatkan
• menyerahkan

assignation {kt bnd}

• volume_up perjanjian
• penunjukkan

assignment {kata benda}

• open_in_new Tautan ke sumber
• warning Request revision

assign [ assigned|assigned ] {kata kerja transitif/dengan objek}

Assignation {kata benda}, contoh penggunaan, english indonesian contoh kontekstual "assignment" di bahasa indonesia.

Kalimat ini berasal dari sumber eksternal dan mungkin tidak akurat. bab.la tidak bertanggung jawab atas isinya.

Contoh Monolingual

English cara menggunakan "assignment" dalam kalimat, english cara menggunakan "assign" dalam kalimat, english cara menggunakan "assignation" dalam kalimat, persamaan kata, sinonim (bahasa inggris) untuk "assignment":.

• appointment
• designation
• duty assignment
• apportioning
• apportionment
• assignation
• association

Terjemahan lebih lanjut di kamus bahasa Indonesia-bahasa Inggris bab.la.

Login Sosial

Terjemahan dari "assignment" ke dalam Indonesia

tugas, penugasan, pekerjaan adalah terjemahan teratas dari "assignment" menjadi Indonesia. Contoh kalimat terjemahan: Mary always assists her boyfriend in doing his assignments. ↔ Mary selalu membantu pacarnya mengerjakan tugas.

the act of assigning, or an assigned task [..]

Kamus Inggris-Indonesia

A duty assigned to someone.

Mary always assists her boyfriend in doing his assignments .

Mary selalu membantu pacarnya mengerjakan tugas .

Not having this support, the Levites were abandoning their assignments and going off to work in their fields.

Karena tidak mendapat tunjangan ini, orang Lewi meninggalkan tugas mereka dan bekerja di ladang.

Terjemahan lebih jarang

• pengangkatan

Tampilkan terjemahan yang dihasilkan secara algoritmik

Terjemahan otomatis " assignment " menjadi Indonesia

Frasa yang serupa dengan "assignment" dengan terjemahan ke dalam indonesia.

• sex assignment Penunjukan seks
• to assign memberikan · menempatkan · menentukan · menetapkan · mengangkat · menugaskan · menyerahkan
• assignation kencan · pemotongan · penetapan · pengagihan · perjanjian
• assigning pemberian · penyerahan
• duty assignment tugas
• assigned task tugas tersandang
• assign melantik · meletakkan · membagi · membebankan · memberi · memberikan · membubuhkan · memerinci · mempertanggungjawabkan · memperuntukkan · memutuskan · menaruh · menetapkan · mengagih · mengambil · menganggap · menganugerahi · mengasosiasikan · menguntukkan · mengutus · menjatahkan · menugasi · menugaskan · menunjuk · menyalahkan · menyatakan · menyebabkan · menyerahkan · menyifatkan · mewakilkan · tentu · wakil

Terjemahan dari "assignment" ke dalam Indonesia dalam konteks, memori terjemahan

6 Arti Kata Assignment di Kamus Bahasa Inggris Terjemahan Indonesia

Terdapat 6 arti kata 'assignment' di Kamus Bahasa Inggris Terjemahan Indonesia.

Nomina (kata benda)

• Pengangkatan

Menurut Kamus Bahasa Inggris Terjemahan Indonesia, arti kata assignment adalah penyerahan. Arti lainnya dari assignment adalah pengangkatan.

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3.6: 3-6 Route Choice

• Last updated
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• Page ID 48085

• David Levinson et al.
• Associate Professor (Engineering) via Wikipedia

Route assignment , route choice , or traffic assignment concerns the selection of routes (alternative called paths) between origins and destinations in transportation networks. It is the fourth step in the conventional transportation forecasting model, following Trip Generation, Destination Choice, and Mode Choice. The zonal interchange analysis of trip distribution provides origin-destination trip tables. Mode choice analysis tells which travelers will use which mode. To determine facility needs and costs and benefits, we need to know the number of travelers on each route and link of the network (a route is simply a chain of links between an origin and destination). We need to undertake traffic (or trip) assignment. Suppose there is a network of highways and transit systems and a proposed addition. We first want to know the present pattern of travel times and flows and then what would happen if the addition were made.

Link Performance Function

The cost that a driver imposes on others is called the marginal cost. However, when making decisions, a driver only faces his own cost (the average cost) and ignores any costs imposed on others (the marginal cost).

• \[AverageCost=\dfrac{S_T}{Q}\]
• \[MarginalCost=\dfrac{\delta S_T}{\delta Q}\]

where \(S_T\) is the total cost, and \(Q\) is the flow.

BPR Link Performance Function

Suppose we are considering a highway network. For each link there is a function stating the relationship between resistance and volume of traffic. The Bureau of Public Roads (BPR) developed a link (arc) congestion (or volume-delay, or link performance) function, which we will term S a (Q a )

\[S_a(Q_a)=t_a(1+0.15\dfrac ({Q_a}{c_a})^4)\]

t a = free-flow travel time on link a per unit of time

Q a = flow (or volume) of traffic on link a per unit of time (somewhat more accurately: flow attempting to use link a )

c a = capacity of link a per unit of time

S a (Q a ) is the average travel time for a vehicle on link a

There are other congestion functions. The CATS has long used a function different from that used by the BPR, but there seems to be little difference between results when the CATS and BPR functions are compared.

Can Flow Exceed Capacity?

On a link, the capacity is thought of as “outflow.” Demand is inflow.

If inflow > outflow for a period of time, there is queueing (and delay).

For Example, for a 1 hour period, if 2100 cars arrive and 2000 depart, 100 are still there. The link performance function tries to represent that phenomenon in a simple way.

Wardrop's Principles of Equilibrium

User Equilibrium

Each user acts to minimize his/her own cost, subject to every other user doing the same. Travel times are equal on all used routes and lower than on any unused route.

• System optimal

Each user acts to minimize the total travel time on the system.

Price of Anarchy

The reason we have congestion is that people are selfish. The cost of that selfishness (when people behave according to their own interest rather than society's) is the price of anarchy .

The ratio of system-wide travel time under User Equilibrium and System Optimal conditions.

For a two-link network with linear link performance functions (latency functions), Price of Anarchy is < 4/3.

Is this too much? Should something be done, or is 33% waste acceptable? [The loss may be larger/smaller in other cases, under different assumptions, etc.]

Conservation of Flow

An important factor in road assignment is the conservation of flow. This means that the number of vehicles entering the intersection (link segment) equals the number of vehicles exiting the intersection for a given period of time (except for sources and sinks).

Similarly, the number of vehicles entering the back of the link equals the number exiting the front (over a long period of time).

Auto assignment

Long-standing techniques.

The above examples are adequate for a problem of two links, however real networks are much more complicated. The problem of estimating how many users are on each route is long standing. Planners started looking hard at it as freeways and expressways (motorways) began to be developed. The freeway offered a superior level of service over the local street system and diverted traffic from the local system. At first, diversion was the technique. Ratios of travel time were used, tempered by considerations of costs, comfort, and level of service.

The Chicago Area Transportation Study (CATS) researchers developed diversion curves for freeways versus local streets. There was much work in California also, for California had early experiences with freeway planning. In addition to work of a diversion sort, the CATS attacked some technical problems that arise when one works with complex networks. One result was the Moore algorithm for finding shortest paths on networks.

The issue the diversion approach didn’t handle was the feedback from the quantity of traffic on links and routes. If a lot of vehicles try to use a facility, the facility becomes congested and travel time increases. Absent some way to consider feedback, early planning studies (actually, most in the period 1960-1975) ignored feedback. They used the Moore algorithm to determine shortest paths and assigned all traffic to shortest paths. That’s called all or nothing assignment because either all of the traffic from i to j moves along a route or it does not.

The all-or-nothing or shortest path assignment is not trivial from a technical-computational view. Each traffic zone is connected to n - 1 zones, so there are numerous paths to be considered. In addition, we are ultimately interested in traffic on links. A link may be a part of several paths, and traffic along paths has to be summed link by link.

An argument can be made favoring the all-or-nothing approach. It goes this way: The planning study is to support investments so that a good level of service is available on all links. Using the travel times associated with the planned level of service, calculations indicate how traffic will flow once improvements are in place. Knowing the quantities of traffic on links, the capacity to be supplied to meet the desired level of service can be calculated.

Heuristic procedures

To take account of the affect of traffic loading on travel times and traffic equilibria, several heuristic calculation procedures were developed. One heuristic proceeds incrementally. The traffic to be assigned is divided into parts (usually 4). Assign the first part of the traffic. Compute new travel times and assign the next part of the traffic. The last step is repeated until all the traffic is assigned. The CATS used a variation on this; it assigned row by row in the O-D table.

The heuristic included in the FHWA collection of computer programs proceeds another way.

• Step 0: Start by loading all traffic using an all or nothing procedure.
• Step 1: Compute the resulting travel times and reassign traffic.
• Step 2: Now, begin to reassign using weights. Compute the weighted travel times in the previous two loadings and use those for the next assignment. The latest iteration gets a weight of 0.25 and the previous gets a weight of 0.75.
• Step 3. Continue.

These procedures seem to work “pretty well,” but they are not exact.

Frank-Wolfe algorithm

Dafermos (1968) applied the Frank-Wolfe algorithm (1956, Florian 1976), which can be used to deal with the traffic equilibrium problem.

Equilibrium Assignment

To assign traffic to paths and links we have to have rules, and there are the well-known Wardrop equilibrium (1952) conditions. The essence of these is that travelers will strive to find the shortest (least resistance) path from origin to destination, and network equilibrium occurs when no traveler can decrease travel effort by shifting to a new path. These are termed user optimal conditions, for no user will gain from changing travel paths once the system is in equilibrium.

The user optimum equilibrium can be found by solving the following nonlinear programming problem

\[min \displaystyle \sum_{a} \displaystyle\int\limits_{0}^{v_a}S_a(Q_a)\, dx\]

subject to:

\[Q_a=\displaystyle\sum_{i}\displaystyle\sum_{j}\displaystyle\sum_{r}\alpha_{ij}^{ar}Q_{ij}^r\]

\[sum_{r}Q_{ij}^r=Q_{ij}\]

\[Q_a\ge 0, Q_{ij}^r\ge 0\]

where \(Q_{ij}^r\) is the number of vehicles on path r from origin i to destination j . So constraint (2) says that all travel must take place: i = 1 ... n; j = 1 ... n

\(\alpha_{ij}^{ar}\)= 1 if link a is on path r from i to j ; zero otherwise.

So constraint (1) sums traffic on each link. There is a constraint for each link on the network. Constraint (3) assures no negative traffic.

Transit assignment

There are also methods that have been developed to assign passengers to transit vehicles. In an effort to increase the accuracy of transit assignment estimates, a number of assumptions are generally made. Examples of these include the following:

• All transit trips are run on a set and predefined schedule that is known or readily available to the users.
• There is a fixed capacity associated with the transit service (car/trolley/bus capacity).

Solve for the flows on Links a and b in the Simple Network of two parallel links just shown if the link performance function on link a :

\(S_a=5+2*Q_a\)

and the function on link b :

\(S_b=10+Q_b\)

where total flow between the origin and destination is 1000 trips.

Time (Cost) is equal on all used routes so \(S_a=S_b\)

And we have Conservation of flow so, \(Q_a+Q_b=Q_o=Q_d=1000\)

\(5+2*(1000-Q_b)=10+Q_b\)

\(1995=3Q_b\)

\(Q_b=665;Q_a=335\)

An example from Eash, Janson, and Boyce (1979) will illustrate the solution to the nonlinear program problem. There are two links from node 1 to node 2, and there is a resistance function for each link (see Figure 1). Areas under the curves in Figure 2 correspond to the integration from 0 to a in equation 1, they sum to 220,674. Note that the function for link b is plotted in the reverse direction.

\(S_a=15(1+0.15(\dfrac{Q_a}{1000})^4)\)

\(S_b=20(1+0.15(\dfrac{Q_a}{3000})^4)\)

\(Q_a+Q_b=8000\)

Show graphically the equilibrium result.

At equilibrium there are 2,152 vehicles on link a and 5,847 on link b . Travel time is the same on each route: about 63.

Figure 3 illustrates an allocation of vehicles that is not consistent with the equilibrium solution. The curves are unchanged, but with the new allocation of vehicles to routes the shaded area has to be included in the solution, so the Figure 3 solution is larger than the solution in Figure 2 by the area of the shaded area.

Assume the traffic flow from Milwaukee to Chicago, is 15000 vehicles per hour. The flow is divided between two parallel facilities, a freeway and an arterial. Flow on the freeway is denoted \(Q_f\), and flow on the two-lane arterial is denoted \(Q_a\).

The travel time (in minutes) on the freeway (\(C_f\)) is given by:

\(C_f=10+Q_f/1500\)

\(C_a=15+Q_a/1000\)

Apply Wardrop's User Equilibrium Principle, and determine the flow and travel time on both routes.

The travel times are set equal to one another

\(C_f=C_a\)

\(10+Q_f/1500=15+Q_a/1000\)

The total traffic flow is equal to 15000

\(Q_f+Q_a=15000\)

\(Q_a=15000-Q_f\)

\(10+Q_f/1500=15+(15000-Q_f)/1000\)

Solve for \(Q_f\)

\(Q_f=60000/5=12000\)

\(Q_a=15000-Q_f=3000\)

Thought Questions

• How can we get drivers to consider their marginal cost?
• Alternatively: How can we get drivers to behave in a “System Optimal” way?

Sample Problems

Given a flow of six (6) units from origin “o” to destination “r”. Flow on each route ab is designated with Qab in the Time Function. Apply Wardrop's Network Equilibrium Principle (Users Equalize Travel Times on all used routes)

A. What is the flow and travel time on each link? (complete the table below) for Network A

Link Attributes

B. What is the system optimal assignment?

C. What is the Price of Anarchy?

What is the flow and travel time on each link? Complete the table below for Network A:

These four links are really 2 links O-P-R and O-Q-R, because by conservation of flow Qop = Qpr and Qoq = Qqr.

By Wardrop's Equilibrium Principle, the travel time (cost) on each used route must be equal. Therefore \(C_{opr}=C_{oqr}\)

OR \(25+6*Q_{opr}=20+7*Q_{oqr}\)

\(5+6*Q_{opr}=7*Q_{oqr}\)

\(Q_{oqr}=5/7+6*Q_{opr}/7\)

By the conservation of flow principle

\(Q_{oqr}+Q_{opr}=6\)

\(Q_{opr}=6-Q_{oqr}\)

By substitution

\Q_{oqr}=5/7+6/7(6-Q_{oqr})=41/7-6*Q_{oqr}/7\)

\(13*Q_{oqr}=41\)

\(Q_{oqr}=41/13=3.15\)

\(Q_{opr}=2.84\)

\(42.01=25+6(2.84)\)

\(42.05=20+7(3.15)\)

Check (within rounding error)

or expanding back to the original table:

User Equilibrium: Total Delay = 42.01 * 6 = 252.06

What is the system optimal assignment?

Conservation of Flow:

\(Q_{opr}+Q_{oqr}=6\)

\(TotalDelay=Q_{opr}(25+6*Q_{oqr})+Q_{oqr}(20+7*Q_{oqr})\)

\(25Q_{opr}+6Q_{opr}^2+(6_Q_{opr})(20+7(6-Q_{opr}))\)

\(25Q_{opr}+6Q_{opr}^2+(6_Q_{opr})(62-7Q_{opr}))\)

\(25Q_{opr}+6Q_{opr}^2+372-62Q_{opr}-42Q_{opr}+7Q_{opr}^2\)

\(13Q_{opr}^2-79Q_{opr}+372\)

Analytic Solution requires minimizing total delay

\(\deltaC/\deltaQ=26Q_{opr}-79=0\)

\(Q_{opr}=79/26-3.04\)

\(Q_{oqr}=6-Q_{opr}=2.96\)

And we can compute the SO travel times on each path

\(C_{opr,SO}=25+6*3.04=43.24\)

\(C_{opr,SO}=20+7*2.96=40.72\)

Note that unlike the UE solution, \(C_{opr,SO}\g C_{oqr,SO}\)

Total Delay = 3.04(25+ 6*3.04) + 2.96(20+7*2.96) = 131.45+120.53= 251.98

Note: one could also use software such as a "Solver" algorithm to find this solution.

What is the Price of Anarchy?

User Equilibrium: Total Delay =252.06 System Optimal: Total Delay = 251.98

Price of Anarchy = 252.06/251.98 = 1.0003 < 4/3

The Marcytown - Rivertown corridor was served by 3 bridges, according to the attached map. The bridge over the River on the route directly connecting Marcytown and Citytown collapsed, leaving two alternatives, via Donkeytown and a direct. Assume the travel time functions Cij in minutes, Qij in vehicles/hour, on the five links routes are as given.

Marcytown - Rivertown Cmr = 5 + Qmr/1000

Marcytown - Citytown (prior to collapse) Cmc = 5 + Qmc/1000

Marcytown - Citytown (after collapse) Cmr = ∞

Citytown - Rivertown Ccr = 1 + Qcr/500

Marcytown - Donkeytown Cmd = 7 + Qmd/500

Donkeytown - Rivertown Cdr = 9 + Qdr/1000

Also assume there are 10000 vehicles per hour that want to make the trip. If travelers behave according to Wardrops user equilibrium principle.

A) Prior to the collapse, how many vehicles used each route?

Route A (Marcytown-Rivertown) = Ca = 5 + Qa/1000

Route B (Marcytown-Citytown-Rivertown) = Cb = 5 + Qb/1000 + 1 + Qb/500 = 6 + 3Qb/1000

Route C (Marcytown-Donkeytown-Rivertown)= Cc = 7 + Qc/500 + 9 + Qc/1000 = 16 + 3Qc/1000

At equilibrium the travel time on all three used routes will be the same: Ca = Cb = Cc

We also know that Qa + Qb + Qc = 10000

Solving the above set of equations will provide the following results:

Qa = 8467;Qb = 2267;Qc = −867

We know that flow cannot be negative. By looking at the travel time equations we can see a pattern.

Even with a flow of 0 vehicles the travel time on route C(16 minutes) is higher than A or B. This indicates that vehicles will choose route A or B and we can ignore Route C.

Solving the following equations:

Route A (Marcytown-Rivertown) = Ca = 5 + Qa /1000

Route B (Marcytown-Citytown-Rivertown) = Cb = 6 + 3Qb /1000

Qa + Qb = 10000

We can the following values:

Qa = 7750; Qb = 2250; Qc = 0

B) After the collapse, how many vehicles used each route?

We now have only two routes, route A and C since Route B is no longer possible. We could solve the following equations:

Route C (Marcytown- Donkeytown-Rivertown) = Cc = 16 + 3Qc /1000

Qa+ Qc= 10000

But we know from above table that Route C is going to be more expensive in terms of travel time even with zero vehicles using that route. We can therefore assume that Route A is the only option and allocate all the 10,000 vehicles to Route A.

If we actually solve the problem using the above set of equations, you will get the following results:

Qa = 10250; Qc = -250

which again indicates that route C is not an option since flow cannot be negative.

C) After the collapse, public officials want to reduce inefficiencies in the system, how many vehicles would have to be shifted between routes? What is the “price of anarchy” in this case?

TotalDelayUE =(15)(10,000)=150,000

System Optimal

TotalDelaySO =(Qa)(5+Qa/1000)+(Qc)(16+3Qc/1000)

Using Qa + Qc = 10,000

TotalDelaySO =(Qa2)/250−71Qa+460000

Minimize total delay ∂((Qa2)/250 − 71Qa + 460000)/∂Qa = 0

Qa/125−7 → Qa = 8875 Qc = 1125 Ca = 13,875 Cc = 19,375

TotalDelaySO =144938

Price of Anarchy = 150,000/144,938 = 1.035

• \(C_T\) - total cost
• \(C_k\) - travel cost on link \(k\)
• \(Q_k\) - flow (volume) on link \(k\)

Abbreviations

• VDF - Volume Delay Function
• LPF - Link Performance Function
• BPR - Bureau of Public Roads
• UE - User Equilbrium
• SO - System Optimal
• DTA - Dynamic Traffic Assignment
• DUE - Deterministic User Equilibrium
• SUE - Stochastic User Equilibrium
• AC - Average Cost
• MC - Marginal Cost
• Route assignment, route choice, auto assignment
• Volume-delay function, link performance function
• User equilibrium
• Conservation of flow
• Average cost
• Marginal cost

External Exercises

Use the ADAM software at the STREET website and try Assignment #3 to learn how changes in network characteristics impact route choice.

Additional Questions

1. If trip distribution depends on travel times, and travel times depend on the trip table (resulting from trip distribution) that is assigned to the road network, how do we solve this problem (conceptually)?

2. Do drivers behave in a system optimal or a user optimal way? How can you get them to move from one to the other.

3. Identify a mechanism that can ensure the system optimal outcome is achieved in route assignment, rather than the user equilibrium. Why would we want such an outcome? What are the drawbacks to the mechanism you identified?

4. Assume the flow from Dakotopolis to New Fargo, is 5300 vehicles per hour. The flow is divided between two parallel facilities, a freeway and an arterial. Flow on the freeway is denoted \(Q_f\), and flow on the two-lane arterial is denoted \(Q_r\). The travel time on the freeway \(C_f\) is given by:

\(C_f=5+Q_f/1000\)

The travel time on the arterial (Cr) is given by

\(C_r=7+Q_r/500\)

(a) Apply Wardrop's User Equilibrium Principle, and determine the flow and travel time on both routes from Dakotopolis to New Fargo.

(b) Solve for the System Optimal Solution and determine the flow and travel time on both routes.

5. Given a flow of 10,000 vehicles from origin to destination traveling on three parallel routes. Flow on each route A, B, or C is designated with \(Q_a\), \(Q_b\), \(Q_c\) in the Time Function Respectively. Apply Wardrop's Network Equilibrium Principle (Users Equalize Travel Times on all used routes), and determine the flow on each route.

\(T_A=500+20Q_A\)

\(T_B=1000+10Q_B\)

\(T_C=2000+30Q_C\)

• How does average cost differ from marginal cost?
• How do System Optimal and User Equilibrium travel time differ?
• Why do we want people to behave in an SO way?
• How can you get people to behave in an SO way?
• Who was John Glen Wardrop?
• What are Wardrop’s Two Principles?
• What does conservation of flow require in route assignment?
• Can Variable Message Signs be used to encourage System Optimal behavior?
• What is freeflow travel time?
• If a problem has more than two routes, where does the extra equation come from?
• How can you determine if a route is unused?
• What is the difference between capacity and flow
• Draw a typical volume-delay function for a deterministic, static user equilibrium assignment.
• Can Q be negative?
• What is route assignment?
• Is it important that the output travel times from route choice be consistent with the input travel times for destination choice and mode choice? Why?

Arti assignment dalam Kamus Inggris-Indonesia

Berikut ini adalah penjelasan tentang assignment dalam Kamus Inggris-Indonesia

kb. 1 tugas. I am glad to undertake this a. Saya girang melakukan tugas ini. 2 penugasan. 3 pengangkatan, penempatan. 4 penetapan. 5 penyerahan (hak atau milik). 6 pekerjaan.

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Translation of assign – English–Indonesian dictionary

(Translation of assign from the PASSWORD English–Indonesian Dictionary © 2015 K Dictionaries Ltd)

Translations of assign

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ELL: Beda Makna ‘Wait’, ‘Waiting’ dan ‘Waiting for’

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Dalam pelajaran kali ini, kita akan melihat kata kerja ‘wait’ dan pelajari perbedaan antara ‘waiting for’ dan ‘waiting on’.

Kata kerja ‘wait’ artinya berdiam ditempat yang sama atau tidak melakukan sesuatu sampai sesuatu yang lain terjadi.

‘Wait’ adalah kata kerja beraturan.

"They wait for their son to pick them up every Sunday." ("Mereka menunggu anak laki-laki mereka menjemputnya setiap Hari Minggu.")

Bentuk lampau dari kata ini adalah ‘waited’. sedangkan bentuk ‘-ing’ adalah ‘waiting’.

"She waited for the song to be over before switching off the TV." ("Dia menunggu lagunya berakhir sebelum mematikan TV.")

"He is waiting for the rain to stop." ("Dia menunggu hujan berhenti.")

Kata ‘wait on’ seseorang adalah melayani seseorang.

"The hotel staff waited on the couple at their wedding dinner." ("Staf hotel menunggu pasangan itu dalam makan malam mereka.")

Kata ‘wait for’ sesuatu atau seseorang artinya kita mengharapkan sesuatu terjadi atau kita menanti seseorang.

"I had to wait for the water to boil before I could use it to make a cup of tea." ("Saya harus menunggu airnya mendidih sebelum saya dapat manggunakannya untuk membuat secangkit teh.")

"We waited for our guests to arrive." ("Kami menunggu tamu kami tiba.")

Ikuti pelajaran Bahasa Inggris untuk percakapan sehari-hari dan berbagai tips lainnya dengan bergabung bersama Learn English Facebook page . 

Last updated : August 28, 2017 00:00

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• Penerjemah dan kamus online
• Kebijakan pribadi
• Transkripsi

Assignment: Terjemahan Bahasa Indonesia, arti kata, sinonim, pengucapan, transkripsi, antonim, contoh

Assignment , assign or The Assignment may refer to:

• Assignment (NBA D-League), process of sending National Basketball Association players to its development league
• Sex assignment

Kata-kata yang mirip: assignment

• prohibition on assignment - larangan penugasan
• instructor assignment - tugas instruktur
• following an assignment - mengikuti tugas
• carry out an assignment - melaksanakan tugas
• appropriate assignments - tugas yang sesuai
• on assignment - pada tugas
• classroom assignments - tugas kelas
• budgetary assignment - penugasan anggaran
• general assignment reporter - reporter tugas umum
• assignment of costs - pembebanan biaya
• title assignment - assegnazione del titolo
• aeronautical assignment group - kelompok tugas penerbangan
• length of assignment - lama penugasan
• carrying out assignments - melaksanakan tugas
• assignment grant - hibah tugas

Sinonim: assignment

noun (sinonim) :

Antonim: tidak ditemukan

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What is the translation of "assignment" in Indonesian?

"assignment" in indonesian, assignment {noun}.

• volume_up tugas
• pengangkatan
• penyerahan hak atau milik

assign {v.t.}

• volume_up menyebutkan dg pasti
• menempatkan
• menyerahkan

assignation {noun}

• volume_up perjanjian
• penunjukkan

Translations

• open_in_new Link to source
• warning Request revision

assign [ assigned|assigned ] {transitive verb}

Context sentences, english indonesian contextual examples of "assignment" in indonesian.

These sentences come from external sources and may not be accurate. bab.la is not responsible for their content.

Monolingual examples

English how to use "assignment" in a sentence, english how to use "assign" in a sentence, english how to use "assignation" in a sentence, synonyms (english) for "assignment":.

• appointment
• designation
• duty assignment
• apportioning
• apportionment
• assignation
• association

Translations into more languages in the bab.la Romanian-English dictionary .

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√ 35+ Arti Wait & Await [Perbedaan, Contoh Kalimat]

Untuk memahmi arti kata ini dengan baik, perlu melihat konteks. Karenanya, anda akan melihat contoh-contoh kata wait dalam kalimat. Dan melihat bagaimana perbedaan makna akibat perbedaan konteks pada kalimat tersebut.

Daftar Arti Bestie [Struktur, Pelafalan, Contoh Kalimat]

30+ Variasi Arti Make [Contoh Kalimat]

10+ Cara Mengatakan Bahasa Inggrisnya Kamu

• menangguhkan
• masa menunggu
• waktu istirahat
• Wait arround : menunggu
• Wait for : menunggu / menanti
• Wait on: meladeni / melayani
• Wait up : berjaga sambil nunggu
• Wait-list : memasukan ke daftar tunggu
• Wait in : menunggu di rumah
• wait till / until … : tunggulah hingga …
• (just) you wait : tunggu saja
• waiter : pelayan
• headwaiter : kepala pelayan di sebuah restoran atau hotel
• waitress : pelayan wanita
• wait and see : tunggu dan lihat apa yang akan terjadi
• wait a minute / moment / second :  tunggu sebentar
• wait at table : menyajikan makan untuk orang
• keep somebody waiting : membuat seseorang menunggu
• I can hardly wait : tidak sabar menunggu
• an accident / a disaster waiting to happen : perilaku / kondisi yang mungkin menimbulkan bahaya
• waiting in the wings : bila diperlukan, siap mengambil alih tugas / kerjaan
• wait for the dust to settle : menunggu keadaan hingga jelas
• wait for it : akan memberitahukan hal mengejutkan pada seeorang, mengatakan pada seseorang untuk tidak berbuat sesuatu hingga kita memberitahu dia
• wait on somebody hand and foot : mengurus kebutuhan seseorang hingga dia tidak perlu melakukan apapun untuk dirinya sendiri
• wait tables : menyajikan makanan di restoran
• what are you waiting for? : apalagi yang kamu tunggu? (menyuruh untuk segera melakukan sesuatu)
• what are we waiting for? : apalagi yang kita tunggu? (ajakan kepada orang-orang untuk segera berbuat sesuatu)
• lie in wait (for somebody) : menunggu untuk menyerang / mengejutkan / menangkap

Contoh Kalimat

• I hate to wait in long lines. (Aku benci menunggu dalam barisan yang pangjang.)
• I waited in for you all morning, but you didn’t come (Aku menunggu mu di rumah sepanjang pagi, namun kamu tidak datang.)
• Wait here. I’ll be back in a  minute. (Tunggulah di sini. Aku akan segera kembali.)
• I had a very long wait (masa tunggu saya sangat lama)
• I had a three-hour wait before you met me. (aku tiga jam dibuat menunggu sebelum kamu menemui ku.)
• I can’t wait to see you. (aku gak sabar ingin menemui mu.)
• The  waiter who waited on us at breakfast were so excellent. (pelayan yang melayani kita sarapan pagi begitu baik)
• I am confidently awaiting my test results. (saya dengan percaya diri menunggu hasil tes saya)
• A death awaited you on this fight. (kematian menanti mu di pertarungan ini.)

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Cracking the Shell of Mystery

Timed out waiting for a node assignment: causes and solutions

Timed Out Waiting for a Node Assignment

Have you ever been working on a project and suddenly been interrupted by a message saying that your node assignment has timed out? This can be a frustrating experience, especially if you’re not sure what it means or how to fix it.

In this article, we’ll take a look at what node assignment is, why it might time out, and how you can troubleshoot the issue. We’ll also provide some tips on how to prevent node assignment timeouts in the future.

So if you’re ever faced with this error message, don’t despair! By following the steps in this article, you’ll be back up and running in no time.

3. How to troubleshoot a node assignment timeout?

If you are experiencing a node assignment timeout, there are a few things you can do to troubleshoot the issue:

• Check the health of the node. The first step is to make sure that the node is healthy and that it is able to communicate with the cluster. You can do this by running the following command on the node:

kubectl get node –output=jsonpath='{.status.conditions[?(@.type==”Ready”)].status}’

If the output of this command is “True”, then the node is healthy. If the output is “False”, then the node is not healthy and you will need to troubleshoot the issue.

• Check the network connectivity between the node and the cluster. The next step is to make sure that the node is able to communicate with the cluster. You can do this by running the following command on the node:

If you are able to ping the cluster, then the network connectivity is good. If you are not able to ping the cluster, then you will need to troubleshoot the network issue.

• Check the compatibility of the node with the cluster. The final step is to make sure that the node is compatible with the cluster. You can do this by running the following command on the node:

kubectl get node –output=jsonpath='{.status.nodeInfo.osImage}’

The output of this command should show the operating system image that is running on the node. This image should be compatible with the cluster. If the image is not compatible, then you will need to install a compatible image on the node.

4. How to prevent a node assignment timeout?

There are a few things you can do to prevent a node assignment timeout:

• Make sure that the node is healthy. The most important thing you can do to prevent a node assignment timeout is to make sure that the node is healthy. This means that the node should be running the latest version of Kubernetes, and it should not have any hardware or software issues.
• Make sure that the node is reachable from the cluster. The node must be able to communicate with the cluster in order to receive pod assignments. You can make sure that the node is reachable by checking the network connectivity between the node and the cluster.
• Make sure that the node is compatible with the cluster. The node must be compatible with the cluster in order to receive pod assignments. You can make sure that the node is compatible by checking the operating system image that is running on the node.

By following these tips, you can help to prevent node assignment timeouts in your Kubernetes cluster.

Additional resources:

• [Node assignment timeouts in Kubernetes](https://kubernetes.io/docs/tasks/administer-cluster/node-timeouts/)
• [Troubleshooting node assignment timeouts in Kubernetes](https://kubernetes.io/docs/tasks/administer-cluster/node-timeouts/troubleshooting)

Node assignment timeouts can be a frustrating problem, but they can usually be resolved by troubleshooting the node, the network, and the operating system image. By following the tips in this article, you can help to prevent node assignment timeouts in your Kubernetes cluster.

Q: What does it mean when I get a “timed out waiting for a node assignment” error?

A: This error means that your Kubernetes cluster was unable to assign a node to your pod within the specified timeout period. This can happen for a number of reasons, such as:

• Insufficient resources: There may not be enough available nodes in your cluster to satisfy the resource requirements of your pod.
• Network issues: There may be a network issue between your pod and the Kubernetes control plane, which is preventing the control plane from assigning a node to your pod.
• Configuration errors: There may be a configuration error in your Kubernetes cluster or pod manifest that is preventing the control plane from assigning a node to your pod.

Q: How can I troubleshoot a “timed out waiting for a node assignment” error?

A: Here are a few things you can check to troubleshoot a “timed out waiting for a node assignment” error:

• Check the status of your nodes: Make sure that all of your nodes are healthy and available. You can do this by running the following command:

kubectl get nodes

• Check the network connectivity between your pod and the Kubernetes control plane: You can do this by running the following command:

— ping

• Check the configuration of your Kubernetes cluster and pod manifest: Make sure that there are no configuration errors that could be preventing the control plane from assigning a node to your pod. You can do this by reviewing the following resources:
• The [Kubernetes documentation](https://kubernetes.io/docs/)
• The [Kubernetes API reference](https://kubernetes.io/docs/reference/)
• The [Kubernetes configuration reference](https://kubernetes.io/docs/reference/config/)

Q: How can I prevent “timed out waiting for a node assignment” errors in the future?

A: Here are a few things you can do to prevent “timed out waiting for a node assignment” errors in the future:

• Ensure that you have enough resources available in your Kubernetes cluster: This means having enough nodes with the correct resources to satisfy the resource requirements of your pods.
• Monitor the health of your nodes: Make sure that your nodes are healthy and available at all times.
• Keep your Kubernetes cluster and pod manifests up-to-date: Make sure that you are using the latest versions of the Kubernetes API and configuration resources.

By following these tips, you can help to prevent “timed out waiting for a node assignment” errors in your Kubernetes cluster.

In this article, we discussed the issue of “timed out waiting for a node assignment”. We first explained what this error means and then provided some tips on how to resolve it. We hope that this information was helpful and that you were able to resolve the issue.

Here are some key takeaways from this article:

• The “timed out waiting for a node assignment” error occurs when a pod cannot be scheduled to a node within the specified timeout.
• There are a number of possible causes for this error, including:
• Insufficient resources: There may not be enough resources available on any of the nodes to run the pod.
• Network issues: The pod may not be able to communicate with the nodes.
• Scheduling conflicts: The pod may be competing with other pods for resources.
• To resolve this error, you can try the following:
• Increase the timeout: This will give the scheduler more time to find a node for the pod.
• Add more resources to the nodes: This will make it more likely that the pod will be able to be scheduled.
• Fix any network issues: This will ensure that the pod can communicate with the nodes.
• Resolve any scheduling conflicts: This will make it more likely that the pod will be able to be scheduled.

We hope that this information was helpful and that you were able to resolve the issue.

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