한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제20권2호
  • /
  • Pages.30-37
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  • 2012
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  • 1225-6382(pISSN)
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  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
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공압식 능동형 엔진마운트시스템의 최적 제어매개변수 식별

Identification of Optimal Control Parameters for a Pneumatic Active Engine Mount System

  • 김일조 (메카시스 메카트로닉스센터) ;
  • 이재천 (계명대학교 기계자동차공학부) ;
  • 최재용 (대흥 R&T 기술연구소) ;
  • 김정훈 (현대.기아자동차 차량시스템 개발팀)
  • Kim, Il-Jo (Mechatronics Center, Mechasys Co., Ltd.) ;
  • Lee, Jae-Cheon (Department of Mechanical and Automotive Engineering, Keimyung University) ;
  • Choi, Jae-Yong (Technical Center, Daeheung Rubber & Technology Co., Ltd.) ;
  • Kim, Jeong-Hoon (Vehicle System Development Team, Hyundai-kia Motors Co.)
  • 투고 : 2010.11.30
  • 심사 : 2011.09.29
  • 발행 : 2012.03.01
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초록

Pneumatic Active Engine Mount(PAEM) with open-loop control system has been developed to reduce the transmission of the idle-shake vibration induced by engine effectively and economically. A solenoid valve installed between PAEM and vacuum tank is on-off switched by the Pulse Width Modulate(PWM) control signal to decrease the dynamic stiffness of the engine mount. This paper presents the methodology to identify the optimal values of control parameters of a PAEM, i.e, turn-on timing and duty ratio of PWM signal for 6 different idle driving conditions. A scanning algorithm was first applied to the vehicle test to obtain the approximate optimal control parameters minimizing the vibration at front seat rail and at steering wheel. Then the PAEM system identification was fulfilled to find accurate optimal control parameters by using multi-layer neural networks of Levenberg-Marquardt algorithm with vehicle test data.

키워드

참고문헌

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