作者
Chris Line, Chris Manzie, Malcolm C Good
发表日期
2008/4/18
期刊
IEEE Transactions on Control Systems Technology
卷号
16
期号
3
页码范围
446-457
出版商
IEEE
简介
The electromechanical brake (EMB) force control problem has been approached in prior work using cascaded proportional-integral (PI) control with embedded feedback loops to regulate clamp force, motor velocity, and motor current/torque. However, this is shown to provide limited performance for an EMB when faced with the challenges of actuator saturation, load-dependent friction, and nonlinear stiffness. There is a significant margin for improvement, and a modified control architecture is proposed using techniques of gain scheduling, friction compensation, and feedback linearization. A further improvement is then achieved by incorporating a model predictive control that better utilizes the available motor torque. Simulation and experimental results are presented to demonstrate the improvement in performance.
引用总数
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学术搜索中的文章
C Line, C Manzie, MC Good - IEEE Transactions on Control Systems Technology, 2008