대한기계학회논문집A (Transactions of the Korean Society of Mechanical Engineers A)

  • 제41권3호
  • /
  • Pages.205-211
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  • 2017
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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주행하는 대형 트럭의 요관성모멘트 실시간 추정

Real-Time Estimation of Yaw Moment of Inertia of a Travelling Heavy Duty Truck

  • 투고 : 2016.09.11
  • 심사 : 2016.11.29
  • 발행 : 2017.03.01
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초록

차량제어의 고도화에 의해, 자동 대열 주행 제어와 같은 정밀한 제어의 필요성이 더욱 높아지고 있다. 정밀 제어를 수행하기 위해서는 차량제어에 필요한 차량 파라미터를 항상 파악하는 것이 중요하다. 특히 화물 운송용 트럭의 경우, 화물 적재 상태에 따라 차량 질량과 차량 관성모멘트 등의 차량 파라미터가 크게 변화한다. 따라서 미지의 파라미터가 있을 경우, 실시간으로 파라미터 추정하여 제어시스템에의 반영이 요구된다. 본 연구에서는 차량이 곡선 주행할 때에 차량의 조향제어에 중요한 차량 파라미터 중 하나인 요관성모멘트에 대하여 Dual Kalman filter알고리즘과 GPS센서를 이용하여 차량이 주행 중에 미지의 요관성모멘트 값을 실시간으로 추정할 수 있는 방법을 제안하고, 차량동역학 상용 프로그램을 이용한 시뮬레이션을 통해 추정방법의 타당성을 검토한다.

To achieve an advanced control of automobiles, it is necessary to acquire the values of the parameters of a vehicle in real time to conduct precise vehicle control practices such as automatic platooning control. Vehicle control is especially required in controlling trucks, as the mass and inertia change widely according to the loading conditions. Thereafter, we propose to estimate the yaw moment of inertia of the truck in real-time during travelling, by applying the dual Kalman filter algorithm, which estimates the state variables and values of the parameters simultaneously in real-time. The simulation results show that the proposed method is effective for the estimation, which uses commercial software for simulating and analyzing the vehicle dynamics.

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