KIPS Transactions on Computer and Communication Systems (정보처리학회논문지:컴퓨터 및 통신 시스템)

Korea Information Processing Society (한국정보처리학회)
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Automobile Cruise Control System Using PID Controller and Kalman Filter

PID 제어와 Kalman 필터를 이용한 자동차 정속주행 시스템

  • 김수열 (한국공학대학교 IT반도체융합공학과) ;
  • 김평수 (한국공학대학교 전자공학부)
  • Received : 2022.03.03
  • Accepted : 2022.03.11
  • Published : 2022.08.31
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Abstract

In this paper, the PID controller and Kalman filter are applied to improve the automobile cruise control in the environment with disturbance and noise, and the performance is verified through diverse simulation. First, a mathematical model for a automobile cruise control system is introduced. Second, the performance degradation due to disturbance in the basic open-loop control based cruise control system is shown and then PID controller-based feedback control system to resolve this problem is verified. Third, to improve the performance degradation due to sensor noise that may occur during the feedback process, a Kalman filter is applied and verified. Ultimately, it is verified that the designed cruise control system with PID controller and Kalman filter not only satisfies all performance conditions but also has the ability for disturbance rejection and noise reduction.

본 논문에서는 외란과 잡음이 있는 환경에서 자동차 정속주행의 개선을 위해 PID 제어기와 Kalman 필터를 적용하고 다양한 시뮬레이션을 통해 성능을 검증한다. 첫 번째로, 자동차 정속주행 시스템을 위한 수학적 모델을 소개한다. 두 번째로, 기본적인 개루프 제어 기반 정속주행 시스템에 외란으로 인한 성능 저하를 확인하고 이를 개선하기 위한 PID 제어기 기반의 피드백 제어 시스템의 성능을 검증한다. 세 번째로, 피드백 과정에서 발생할 수 있는 센서 잡음으로 인한 성능 저하를 확인하고 이를 개선하기 위해 Kalman 필터를 적용하여 성능을 검증한다. 궁극적으로, PID 제어기와 Kalman 필터를 적용하여 설계된 정속주행 시스템이 성능 기준을 모두 만족할 뿐만 아니라 외란과 잡음 제거 능력까지 있음을 확인할 수 있다.

Keywords

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