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A nonlinear proportional controller for Electric Parking Brake (EPB) Systems
- Authors
- Lee, Young Ok; Lee, Choong Wooa; Chung, Han Byul; Chung, Chung Choo; Son, Youngsup; Yoon, Paljoo; Hwang, Inyong
- Issue Date
- Aug-2007
- Publisher
- SAE International
- Keywords
- EPB; nonlinear control; switched system
- Citation
- SAE Technical Papers
- Indexed
- SCOPUS
- Journal Title
- SAE Technical Papers
- ISSN
- 0148-7191
2688-3627
- Abstract
- This paper presents three types of controllers for Electric Parking Brake (EPB) Systems: bang-bang, linear proportional (P), and nonlinear proportional (P) controller. Mechanical and electrical parts of EPB system are modeled and implemented using Modelica language. There is good agreement between simulation and experimental results. For the stability analysis, the EPB system is modeled as a state-dependent switched system with simplified friction dynamics. From simulation and experimental results, it turns out that the nonlinear P controller provides good uniformity in performance and robustness among them.
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