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Evaluating the Handling of New Assignments in a Global Truck Platooning System Using Large-Scale Simulations
KTH, School of Electrical Engineering (EES), Automatic Control.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Truck transportation is a big part of goods transportation aroundthe world, with over 100,000 trucks per day in Sweden alone. By usingadaptive cruise control, trucks can drive very close together in aplatoon. Driving close together leads to a signicant reduction in airresistance, which in turn results in lower fuel consumption. This thesisinvestigates a global coordination system that trucks can registerwith, which will plan how all the trucks should drive. This systemthen has to regularly change the speed proles of individual trucksthroughout the system to automatically have them form 'platoons' sothat they can save as much fuel as possible.This thesis specically investigates what happens when a new truckassignment is registered with the system. When this happens, the systemshould take this into consideration and change the truck platoons.This might mean breaking up existing platoon or forming new ones.This has to be done regularly in an ecient manner as more and moreassignments are added to the system. To investigate the fuel savingsof this system, a simulation engine was created. Dierent parameters,such as update frequency and the time in advance that the system isinformed of new assignments, are evaluated to see how they impactthe result. In simulations of 5,000 trucks in one day, the coordinationsystem was able to accomplish a reduction in fuel consumptionof around 7%.

Abstract [sv]

Lastbilstransport ar en viktig del av godstransportering runt om ivarlden. Bara i Sverige kor over 100 000 lastbilar per dag. Genom attanvanda adaptiv farthallare kan lastbilar kora mycket nara varann ien konvoj. Att kora tatt ihop leder till en markant reduktion i luftmotstand, vilket i sin tur leder till lagre bransleforbrukning. Dettaexamensarbete undersoker ett globalt koordineringssytem som lastbilarkan registrera sig i. Detta system planerar exakt hur varje lastbilska kora. Systemet maste sedan regelbundet andra hastighetsprolernafor de olika lastbilarna i systemet sa att de automatiskt formarkonvojer som sparar sa mycket bransle som mojligt.Mer specikt undersoker detta examensarbete vad som hander narnya lastbilsuppdrag registreras i systemet. Nar detta hander, bor systemetta hansyn till detta och potentiellt andra konvojerna. Detta kaninnebara att man bryter upp bentliga konvojer eller bildar nya. Dettamaste ske regelbundet pa ett eektivt satt, allt eftersom er och eruppdrag laggs till i systemet. For att undersoka branslebesparingarna idetta system skapades en simuleringsmotor. Olika parametrar, sasomuppdateringsfrekvens och forvarning innan ett nytt lastbilsuppdragstartar, utvarderas for att se hur de paverkar resultatet. I en simuleringav 5 000 lastbilar pa en dag uppnadde systemet en minskning ibransleforbrukning pa cirka 7%.

Place, publisher, year, edition, pages
2017. , p. 52
Series
TRITA-EE, ISSN 1653-5146 ; 2017:169
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-219826OAI: oai:DiVA.org:kth-219826DiVA, id: diva2:1165459
Available from: 2017-12-13 Created: 2017-12-13 Last updated: 2017-12-13Bibliographically approved

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CiteExportLink to record
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