Journal ArticleDOI
Motion control in an electric vehicle with four independently driven in-wheel motors
Shinichiro Sakai,H. Sado,Yoichi Hori +2 more
- Vol. 4, Iss: 1, pp 9-16
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TLDR
In this paper, a robust dynamic yaw-moment control (DYC) is proposed for an electric vehicle with four independently driven in-wheel motors, which generates yaw from torque differences between the right and left wheels.Abstract:
We study methods of motion control for an electric vehicle (EV) with four independently driven in-wheel motors. First, we propose and simulate a novel robust dynamic yaw-moment control (DYC). DYC is a vehicle attitude control method that generates yaw from torque differences between the right and left wheels. The results of simulations, however, identify a problem with instability on slippery, low /spl mu/ roads. To solve this problem, a new skid detection method is proposed that will be a part of traction control system (TCS) for each drive wheel. The experimental results show that this method can detect a skidding wheel, without any information on chassis velocity. Therefore, this method will be of great help during cornering or braking in a TCS. These methods will be integrated and tested in our new experimental EV.read more
Citations
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Proceedings ArticleDOI
Methods to Control Wheel Locks and Wheel Spins for Electric Vehicles with the Structure Having Independently Driven Front and Rear Wheels
Nobuyoshi Mutoh,Hiromichi Yahagi +1 more
TL;DR: In this article, the authors proposed and developed an electric vehicle with the structure that can control the front and rear wheels independently, which is suitable for the developed EV to control wheel locks and wheel spins.
Journal ArticleDOI
Design of slip-based traction control system for EV and validation using co-simulation between Adams and Matlab/Simulink:
Sudipta Saha,Syed Muhammad Amrr +1 more
TL;DR: This paper focuses on controlling traction for a four-wheel electric vehicle by using the longitudinal slip ratio control technique, and a control law is formulated based upon the Lyapunov stability approach to assure the sliding action.
Journal ArticleDOI
Dynamic Driving/Braking Force Distribution in Electric Vehicle with Independently Driven Four Wheels
TL;DR: In this paper, a novel algorithm of the dynamic driving/braking force distribution is proposed for electric vehicle (EV) with four in-wheel motors, in which the vehicle lateral motion can be controlled by yaw moment, generated with torque difference between wheels.
Proceedings ArticleDOI
Design of an experimental platform for an X-by-wire car with four-wheel steering
Martin Eder,Alois Knoll +1 more
TL;DR: In times of increasing fuel price and environmental consciousness coming to the fore, automotive industry is forced to review its existing concepts of building cars based on combustion engines and approve completely new mobility concepts like electric cars with wheel hub drive.
Stability of an electric vehicle with permanent-magnet in-wheel motors during electrical faults
Mats Jonasson,Oskar Wallmark +1 more
TL;DR: The stability of an electric vehicle with permanent-magnet in-wheel motors during electrical faults was investigated in this article, showing that the vehicle was able to adapt to electrical faults.
References
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Journal ArticleDOI
Traction control of electric vehicle: basic experimental results using the test EV "UOT electric march"
TL;DR: In this article, two novel traction control techniques of an electric vehicle using this advantage are proposed, one is the model-following control and the other is the optimal slip ratio control, which is demonstrated by real experiments using the DC-motor-driven test vehicle "UOT (University of Tokyo) Electric March".
Journal ArticleDOI
Robust control prevents car skidding
TL;DR: In this article, a system of robust unilateral decoupling of car steering dynamics is discussed, where the driver has to concern himself much less with disturbance attenuation, and the important quick reaction to disturbance torques is done by the automatic feedback system.
Journal ArticleDOI
Observation of Lateral Vehicle Dynamics
Uwe Kiencke,A. Daiß +1 more
TL;DR: In this paper, a comparison of a linear and a nonlinear observer for the vehicle and tyre side-slip angles is presented, and the modelling, especially the model reduction and simplification, is shown.
Journal ArticleDOI
Novel motors and controllers for high-performance electric vehicle with four in-wheel motors
TL;DR: The design concepts, configuration, and performance of the motor, controller, and drive system developed for this high-performance electric vehicle, designated as the IZA, are described.
Journal ArticleDOI
Advanced concepts in electric vehicle design
TL;DR: New designs for the Eco-Vehicle include an in-wheel motor drive system, a hollow load floor which will house the batteries, and a new battery management system.