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Dynamics anc Control of an Electric Power Assist Steering System

Kandula, Prasanth Babu
http://rave.ohiolink.edu/etdc/view?acc_num=csu1282840488

Abstract Details

2010, Master of Science in Electrical Engineering, Cleveland State University, Fenn College of Engineering.
In this thesis an Active Disturbance Rejection Controller (ADRC) is applied to Electrical Power Assist Steering (EPAS) system which assists the driver in steering the steering wheel of an automobile. Our control objective is to reduce the steering torque exerted by a driver, so that good steering feel of the driver will be achieved in the presence of external disturbances and system uncertainties which are very common in the EPAS system. The robustness and stability of ADRC controlled EPAS system is investigated through frequency-domain analyses. The Bode diagrams and stability margins demonstrate that the control system is stable during the operation and it is robust against external disturbances and structural uncertainties. In addition, the ADRC is simulated on a column-type EPAS system. The simulation results show that using the proposed ADRC, the driver can turn the steering wheel with the desired steering torque, which is independent of load torques that tend to vary with the change of driving conditions.
Lili Dong, PhD (Committee Chair)
Zhiqiang Gao, PhD (Committee Member)
Wenbing Zhao, PhD (Committee Member)
75 p.
Electrical Engineering
STEERING; ADRC; EPAS system; rad/s; STEERING SYSTEM

Recommended Citations

Citations

  • Kandula, P. B. (2010). Dynamics anc Control of an Electric Power Assist Steering System [Master's thesis, Cleveland State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=csu1282840488

    APA Style (7th edition)

  • Kandula, Prasanth. Dynamics anc Control of an Electric Power Assist Steering System. 2010. Cleveland State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=csu1282840488.

    MLA Style (8th edition)

  • Kandula, Prasanth. "Dynamics anc Control of an Electric Power Assist Steering System." Master's thesis, Cleveland State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=csu1282840488

    Chicago Manual of Style (17th edition)

csu1282840488
10,992
© 2010, all rights reserved.
This open access ETD is published by Cleveland State University and OhioLINK.