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Model Based Control Algorithm for a Bi-Fuel Engine with fuel adjustment
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Modellbaserad controll algoritm för en Dual-bränslemotor med bränsleanpassning (Swedish)
Abstract [sv]

For lite mer an 100 ar sedan rullade den forsta serietillverkade bilen, i den helt valbara fargen svart, av monteringslinan. Sedan dess har ett febrilt utveckingsarbete gjorts for att forbattra alla delar av bilen. Forst endast i marknadsforingssyfte med storre motorer och mer komfort, men de senaste decennierna aven som svar pa utokade lagkrav runt om i varlden for att fa salja pa respektive marknader. En av de metoder som pa senare tiden har vuxit for att minska bilarnas utslapp ar att ga over ifran bensin och diesel till alternativa branslen. Da finns det bade fornyelsebara samt icke fornyelsebara, men med hogre verkningsgrad an konventionella branslen, att valja pa. For att stodja denna utveckling sa har Anstalt fur Verbrennungskraftmaschinen List (AVL) beslutat att fortsatta utveckla sin motorstyrvara, kallad Rap2L for att aven kunna styra motorer drivna av Compressed Natural Gas (Komprimerad naturgas) (CNG). Detta arbete syftar till att utveckla en modular gasfunktionalitet som bade ska kunna anvandas for att kora Rap2L, men aven enkelt kunna flyttas over till ett annat motorstyrsystem om onskan for det skulle uppkomma.

Abstract [en]

A little more than a hundred years ago the first mass produced car rolled of the assembly line, in the optional color black, and since then a hectic race has been going on in order to improve all parts of the car. First only as a competitive edge with bigger engines and more comfort for the passengers, but in the last decades also as a response to increased legislation's around the world in order to be able to sell to their respective market. Apart from increasing the effectiveness of both engine and catalyst in order to meet the ever increasing environmental demands, there is also the possibility of exchanging the fuel used. One prominent alternative here is Compressed Natural Gas (CNG), that can be extracted both from natural gas or biogas, dependent on what available resources are at hand. In order to accommodate this change in fuel Anstalt fur Verbrennungskraftmaschinen List (AVL) has the desire to further develop its engine control software Rap2L, inorder to also be able to run CNG engines. The purpose for this thesis is to build a separate add-on to Rap2L where all the functionality for CNG is handled, it should also be able to, with minimal effort, be transported to another engine control system, if so desired.

Place, publisher, year, edition, pages
2013. , 57 p.
, MMK 2013:91 MDA 468
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-141183OAI: diva2:695509
Available from: 2015-10-15 Created: 2014-02-11 Last updated: 2015-10-15Bibliographically approved

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