An Electrohydraulic Pressure Compensation Control System for an Automotive Vane Pump Application

Authors

  • Ryan Paul Jenkins Maha Fluid Power Research Center, School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, Indiana 47907, USA https://orcid.org/0000-0001-7987-4074
  • Monika Ivantysynova Maha Fluid Power Research Center, School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, Indiana 47907, USA

DOI:

https://doi.org/10.13052/ijfp1439-9776.2034

Keywords:

Vane Pump, Electrohydraulic Pressure Compensation, Automotive Transmission Supply, PID Control, Nonlinear Control

Abstract

Pressure compensated vane pumps are an excellent solution for supplying hydraulic power with minimal waste in many automotive applications. An electrohydraulic pressure compensation control system for an automatic transmission supply that promises improved pressure response times over the baseline architecture is discussed. Suggested valve specifications are determined through calculations based on available data and refined via a validated simulation model of the proposed system. Two controller designs are formulated and compared: a basic PI control law and a cascaded model following controller including a nonlinear feedback linearization component. Simulations of the proposed system for a given duty cycle reveal that the nonlinear controller provides only minor improvements over a basic PI control law and is thus not an economical solution.

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Author Biographies

Ryan Paul Jenkins, Maha Fluid Power Research Center, School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, Indiana 47907, USA

Born on December 16, 1989 in Provo, Utah (USA). He received his B.S degree in Mechanical Engineering from Brigham Young University in 2014. He worked as a PhD student under the direction of Monika Ivantysynova with a focus on the modeling, analysis, and control of fluid power systems at Purdue University’s Maha Fluid Power Research Center. He has worked on several projects dealing with automotive applications of fluid power technologies and defended his thesis in January 2019. His main research interests are Noise, Vibration, and Harshness modeling and design of hydraulic pumps/motors and transmissions.

Monika Ivantysynova, Maha Fluid Power Research Center, School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, Indiana 47907, USA

Born on December 11th 1955 in Polenz (Germany). She received her MSc. Degree in Mechanical Engineering and her PhD. Degree in Fluid Power from the Slovak Technical University of Bratislava, Czechoslovakia. After 7 years in fluid power industry she returned to university. In April 1996 she received a Professorship in fluid power & control at the University of Duisburg (Germany). From 1999 until August 2004 she was Professor of Mechatronic Systems at the Technical University of Hamburg-Harburg. Since August 2004 she is Professor at Purdue University, USA. Her main research areas are energy saving actuator technology and model based optimization of displacement machines as well as modelling, simulation and testing of fluid power systems. Besides the book “Hydrostatic Pumps and Motors” published in German and English, she has published more than 80 papers in technical journals and at international conferences. Monika passed away August 11th 2018.

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Published

2020-03-23

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Original Article

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