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
Parameters Extraction for Thermal Model of External Rotor Surface Permanent Magnet Machine Based on Experiment with Simulation
TL;DR: A simple lumped-parameter thermal model is built and the key parameters of the thermal performance of the motor are obtained by the thermal model and can be used for the input conditions of the numerical simulation or the other thermal model.
A brief overview on dynamics and control of electric vehicles
Atul Ray,Rajkumar Sarangi +1 more
TL;DR: In this article, a fuzzy logic direct yaw-moment control system for all-wheel-drive electric vehicles and an optimal torque distribution approach for electric vehicle equipped with four independent wheel motors to improve vehicle handling and stability performance is discussed.
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Fuzzy Sliding Mode Control for Cornering Performance Improvement of 4WD HEV
TL;DR: In the simulation experiments, the J-Turn and single lane change are used for each of the Fuzzy sliding mode algorithm and PID controller with the optimal gains which are tuned empirically.
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Design and Implementation of a PCB-Based Torque Sensor With a Spiral Sensing Pattern
TL;DR: In this article , a spiral copper pattern was designed to change its resistance proportionally to the applied torque, which can also serve as a sensor to measure the deformation of a printed circuit board.
Posted Content
A stochastic power management strategy with skid avoidance for improving energy efficiency of in-wheel motor electric vehicles
Mehdi Jalalmaab,Nasser L. Azad +1 more
TL;DR: In this paper, a stochastic power management strategy for in-wheel motor electric vehicles (IWM-EV) is proposed to reduce the energy consumption and increase the driving range by considering the unpredictable nature of the driving power demand.
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.