Journal of the Korea Society for Simulation (한국시뮬레이션학회논문지)

The Korea Society for Simulation (한국시뮬레이션학회)
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A Case Study on Virtual Design Environment for xEV Gerotor Pump

전기자동차용 지로터 펌프의 가상 설계 환경 구축 사례

  • Received : 2023.03.14
  • Accepted : 2023.05.17
  • Published : 2023.06.30
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Abstract

The purpose of this study is to create virtual design environment that can predict performance in various situations by reflecting the static design data of a gerotor pump to a dynamic behavior analysis model. The virtual design environment is created through systematic connection between tooth profile creation program that can present drawing specification and analysis model which can review dynamic performance. The study is carried out in the following manner. First, tooth is designed by using tooth profile creation program developed in the previous study and volume change is derived depending on the rotation angle of rotor. Second, analysis model, which can review the behavior of gerotor pump by chamber, is developed through SimulationX, a software specialized in multi domain analysis. Third, design data from tooth design program is mapped on the analysis model in order to link the two programs. Lastly, behaviors such as the pressure and flow pulsation of gerotor pump are realized in order to review the feasibility of connected virtual design environment. In conclusion, a virtual design environment for the gerotor pump was created, which is expected to reduce the time and cost required for design and verification.

본 연구의 목적은 지로터 펌프의 정적인 설계 데이터를 동적 해석모델에 반영하여 다양한 상황에서 성능을 예측할 수 있는 가상 설계 환경을 구축하는데 있다. 가상 설계 환경은 도면 사양을 도출할 수 있는 치형 프로파일 생성 프로그램과 동역학적인 성능을 검토할 수 있는 해석모델의 유기적인 연결을 통해 구축된다. 이를 위한 연구 방법은 다음과 같다. 우선 선행연구를 통해 개발된 치형 프로파일 생성 프로그램을 이용하여 치형을 설계하고 로터 회전 각도에 따른 용적변화를 도출한다. 그리고 멀티도메인 해석소프트웨어인 SimulationX를 통해 지로터 펌프의 챔버별 거동을 분석할 수 있는 해석모델을 개발한다. 이후 해석모델에 치형 설계 프로그램에서 도출된 설계 데이터를 매핑하여 두 프로그램을 연계한다. 마지막으로 연계된 가상 설계 환경의 타당성을 검토하기 위하여 지로터 펌프의 압력과 유량맥동 등의 거동을 구현한다. 결론적으로 지로터 펌프의 가상 설계 환경을 구축하였으며, 이를 통해 설계와 검증에 소요되는 시간과 비용을 절감할 수 있을 것으로 기대된다.

Keywords

Acknowledgement

이 연구는 한국과학기술정보연구원의 「수요대응형 지역혁신 생태계 활성화 및 AI 솔루션 실용화 지원체제 구축」 사업의 지원으로 수행되었습니다.

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