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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on as a courtesy and upon agreement with AVERE.
Open AccessArticle

Improvement on Driving Comfort and Energy Consumption of Electric Vehicle through Throttle Signal Control

National University of Singapore, Faculty of Engineering, Engineering Design and Innovation Centre, Design Centric Program, Block E1A, #03-03,1Engineerrind Drive2, Singapore 117576
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2015, 7(2), 244-249;
Published: 26 June 2015
PDF [420 KB, uploaded 18 May 2018]


An electric vehicle conversion project often faces the problem of a sudden and non-smooth acceleration. From this, we see a great demand in improving the throttle control to have a better human-machine interface and better controllability and safe operation of an electric vehicle. Additional improvement on throttle control also helps to reduce energy consumption during acceleration which prolongs the driving range of the vehicle. This work presents a practical method to provide a smooth start for an electric vehicle with brushless DC (BLDC) motor using arduino microcontroller. Additional control algorithms between the throttle and motor controller are implemented with the microcontroller. Two sets of algorithm, which can be used at the same time, have been developed in order to reach the goal of smoother acceleration, better controllability, and lower energy consumption. Tests have been carried out on our in-house developed vehicle, Electric Caterham, to validate the effectiveness of different algorithms. We expect a 10% reduction in energy consumption during acceleration. This paper presents the change in acceleration performance after implementing the proposed feedback control system.
Keywords: Throttle control; Microcontroller; Feedback control; Hall Effect sensor Throttle control; Microcontroller; Feedback control; Hall Effect sensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Zhang, K.; Weigl, J.D. Improvement on Driving Comfort and Energy Consumption of Electric Vehicle through Throttle Signal Control. World Electr. Veh. J. 2015, 7, 244-249.

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