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A Torque Based Sliding Mode Control of an Eddy Current Braking System for Automotive Applications

[+] Author Affiliations
Sohel Anwar

Purdue School of Engineering and Technology

Paper No. IMECE2005-79148, pp. 297-302; 6 pages
doi:10.1115/IMECE2005-79148
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Dynamic Systems and Control, Parts A and B
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 0-7918-4216-9 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

A sliding mode controller based on a polynomial-based eddy current machine model is presented in this paper. The controller provides a novel torque tracking control strategy that does not require any torque measurement. The enhanced parametric model captures the steady state torque-speed-current characteristics of the eddy current machine. The model parameters are experimentally estimated using a two stage least square type algorithm. Simulation of the proposed controller using a SIMULINK model incorporating the controller model, the eddy current brake model and a 14 degree of freedom vehicle model is performed. Simulation results are presented for the proposed controller in the context of an automobile braking application. The simulation results show good torque tracking performance of the proposed controller.

Copyright © 2005 by ASME

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