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TriCore™를 이용한 EMB 액츄에이터 제어기 구현
김성엽(SeongYeop Kim),기영훈(Young-Hun Ki),김태연(Tae Youn Kim),천재승(Jae Seung Cheon),안현식(Hyun-Sik Ahn) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
This paper describes the implementation of an Electro-Mechanical Brake (EMB) actuator controller based on the Infineon TC1797 which is a 32-bit microcontroller of the TriCore™ Architecture. The EMB actuator is a vector-controlled Surface Mounted PMSM and the clamping force in the EMB is controlled by the cascaded control architecture composed of a force/position controller, a speed controller and a current controller. Experimental result by lab tests is provided together with functional description of the control software for the EMB actuator.
이경중(Kyung-Jung Lee),기영훈(Young-Hun Ki),전재한(Jae-han Jeon),천재승(Jae-seung Cheon),안현식(Hyun-Sik Ahn) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
In this paper, a kind of position sensor failure detection and fault tolerance of a Permanent Magnet Synchronous Motor (PMSM)-based Electro-Mechanical Brake(EMB) Systems are considered. The rotor position information is essential for the filed-orientation control of a PMSM and it should be updated in real-time. In-order to give a fault tolerance to EMB systems, an estimation process for the rotor position should be evaluated and the position estimation is updated by using the model-based flux linkages using motor currents and voltages. It is illustrated by some experiments that the rotor position is well estimated by measurements of motor electric variables and it can be used for the bumpless transfer to sensorless motor control.