| DESIGN AND IMPLEMENTATION OF A NEW CLAMPING FORCE ESTIMATOR IN ELECTRO-MECHANICAL BRAKE SYSTEMS |
| Y. H. KI1, K. J. LEE1, J. S. CHEON2, H. S. AHN1 |
1kookmin university
2Hyundai Mobis |
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| ABSTRACT |
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In this paper, an improved clamping force estimator is proposed for Electro-Mechanical Brake (EMB) systems by using the motor rotor position information and the hysteresis characteristics of mechanical parts in the EMB. A cascaded type of a force/position control system with a force sensor or an estimator was designed and implemented to control the clamping force and to keep the clearance gap in EMB systems. The EMB Hardware-In-the-Loop-Simulation (HILS) results show that the proposed force estimator yields better estimation performance than the existing estimator and that the clamping force control system based on the estimator can be also used for the fault tolerant control of the system. |
| Key Words:
EMB (Electro-Mechanical Brake), BBW (Brake-By-Wire), Clamping force estimation |
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