드라이브 ㆍ 컨트롤 (Journal of Drive and Control)

  • 제20권4호
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  • Pages.17-26
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  • 2023
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  • 2671-7972(pISSN)
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  • 2671-7980(eISSN)
유공압건설기계학회 (The Korean Society for Fluid Power and Construction Equipment)
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지게차 변속제어 알고리즘 검증을 위한 임베디드 변속기 시뮬레이터 개발

Development of Embedded Transmission Simulator for the Verification of Forklift Shift Control Algorithm

  • 정규홍
  • Gyuhong Jung (Department of Mechanical Engineering, Daejin University)
  • 투고 : 2023.08.28
  • 심사 : 2023.10.10
  • 발행 : 2023.12.01
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초록

A forklift is an industrial vehicle that lifts or transports heavy objects using a hydraulically operated fork, and is equipped with an automatic transmission for the convenience of repetitive transportation, loading, and unloading work. The Transmission Control Unit (TCU) is a key component in charge of the shift control function of an automatic transmission. It consists of an electric circuit with an input/output signal interface function and firmware running on a microcontroller. To develop TCU firmware, the development process of shifting algorithm design, firmware programming, verification test, and performance improvement must be repeated. A simulator is a device that simulates a mechanical system having dynamic characteristics in real time and simulates various sensor signals installed in the system. The embedded transmission simulator is a simulator that is embedded in the TCU firmware. information related to the mechanical system that is necessary for TCU normal operation. In this study, an embedded transmission simulator applied to the originally developed forklift TCU firmware was designed and used to verify various forklift shift control algorithms.

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참고문헌

  1. G. H. Jung and G. H. Lee, "A Development of Forklift Shift Controller for Dynamometer Test", KFPS Spring Conference Proceeding, pp.143-149, 2007. 
  2. G. H. Jung, S. H. Shin, S. I. Lee and H. J. Kim, "A Development of TCU Analyzer for Wheel Loader Automatic Transmission", KSAE 2006 Autumn Conference, pp.1405-1410, 2006. 
  3. G. H. Jung, S. H. Shin and S. I. Lee, "Development of an Automatic Transmission Simulator for a Wheel Loader," Transactions of KFPS, Vol.4, No.2, pp.7-20, 2007. 
  4. Gyuhong Jung, "Analysis of Diagnosis and Failsafe Algorithm Using Transmission Simulator", Transaction of KSAE, vol.22, No.4, pp.89-97, 2014  https://doi.org/10.7467/KSAE.2014.22.4.089
  5. Gyuhong Jung, "Development of Transmission Simulator for High-Speed Tracked Vehicles", Journal of Drive and Control, Vol.14, No.4, pp.29-36, 2017  https://doi.org/10.7839/KSFC.2017.14.4.029
  6. Gyuhong Jung, "Analysis of Diagnosis Algori- thm Implemented in TCU for High-Speed Tracked Vehicles", Journal of Drive and Control, Vol.15, No.3, pp.30-38, 2018  https://doi.org/10.7839/KSFC.2018.15.4.030
  7. J. S. Choi and Y. S. Lee, "The Implementation of a Hardware-In-The-Loop Simulator for an Inverted Pendulum System Using Open-Source Hardware", Journal of Institute of Control, Robotics and Systems, Vol.23, No.2, pp.117-125, 2017.  https://doi.org/10.5302/J.ICROS.2017.17.0002
  8. H. J. Song et al., "Verification of Algorithm for Real-Time Traversability Analysis of Autonomous Vehicle Using Virtual Simulator", 2017 17th International Conference on Control, 
  9. Gyuhong Jung, Kyungdong Kim, "Development of Embedded Transmission Simulator", 2009 KSAE Autumn Conference Proceeding, pp.1948-1953, 2009 
  10. Gyuhong Jung, Kyungdong Kim, "Diagnosis Design Using Embedded Transmission Simulator", 2010 KFPS Spring Conference Proceeding, pp.56-61, 2010 
  11. Gyu Hong Jung, Chang Do Jung and Se Ha Park, "Feedback Shift Controller Design of Automatic Transmission for Tractors", Journal of Drive and Control, Vol.13, No.1, pp.1-9, 2016  https://doi.org/10.7839/KSFC.2016.13.1.001
  12. Gyuhong Jung, "Development of Clutch Auto Calibration Algorithm for Automatic Transmission Shift Quality Improvement", Journal of Drive and Control, Vol.17, No.3, pp.47-56, 2020 https://doi.org/10.7839/KSFC.2020.17.3.047