Model-based Simulation of a Hydraulic Closed-loop Rotary Transmission with Automatic Control

Authors

  • Gunnar Grossschmidt Department of Mechanical and Industrial Engineering, Tallinn University of Technology, Tallinn, Estonia
  • Mait Harf Department of Software Science, Tallinn University of Technology, Tallinn, Estonia

DOI:

https://doi.org/10.13052/ijfp1439-9776.2212

Keywords:

Hydraulic closed-loop rotary transmission, automatic control, multi-pole mathematical model, intelligent simulation environment, visual task description, automatic program synthesis

Abstract

Model-based simulation of a hydraulic closed-loop rotary transmission with automatic control of hydraulic pump and hydraulic motor is considered in the paper. The approach is based on multi-pole modelling and intelligent simulation. In the paper the functional scheme of the transmission is proposed and multi-pole models of components are introduced. Mathematical multi-pole models of components for steady state conditions and for dynamic transient responses are presented. A high-level graphical environment CoCoVila (compiler compiler for visual languages) is used as a tool for describing models and performing simulations. Object-oriented multi-pole models, visual programming environment, automatic program synthesis and distributed computing are as original approach in simulation of fluid power systems.

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Author Biographies

Gunnar Grossschmidt, Department of Mechanical and Industrial Engineering, Tallinn University of Technology, Tallinn, Estonia

Gunnar Grossschmidt Dipl. Eng. degree obtained from Tallinn University of Technology in 1953. Candidate of Technical Science degree (PhD) received from the Kiev Polytechnic Institute in 1959. His research interests are concentrated around modelling and simulation of fluid power systems. His list of scientific publications contains 96 items. He has been lecturing at the Tallinn University of Technology 55 years, as Assistant, Lecturer, Associate Professor, Head of the chair of Machine Design and Senior Researcher.

Mait Harf, Department of Software Science, Tallinn University of Technology, Tallinn, Estonia

Mait Harf Dipl. Eng. degree obtained from Tallinn University of Technology in 1974. Candidate of Technical Science degree (PhD) received from the Institute of Cybernetics, Tallinn in 1984. His research interests are concentrated around intelligent software design. He worked on methods for automatic (structural) synthesis of programs and their applications to knowledge based programming systems such as PRIZ, C-Priz, ExpertPriz, NUT and CoCoViLa.

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Published

2021-05-01

How to Cite

Grossschmidt, G., & Harf, M. . (2021). Model-based Simulation of a Hydraulic Closed-loop Rotary Transmission with Automatic Control. International Journal of Fluid Power, 22(1), 45–86. https://doi.org/10.13052/ijfp1439-9776.2212

Issue

2021: Vol 22 Iss 1

Section

Fluid Power Components & Systems