Simulation of Fluid Power Systems with Simcenter Amesim: 1st Edition (Hardback) book cover

Simulation of Fluid Power Systems with Simcenter Amesim

1st Edition

By Nicolae Vasiliu, Daniela Vasiliu, Constantin CĂLINOIU, Radu Puhalschi

CRC Press

607 pages | 238 Color Illus. | 664 B/W Illus.

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Description

This book illustrates numerical simulation of fluid power systems by LMS Amesim Platform covering hydrostatic transmissions, electro hydraulic servo valves, hydraulic servomechanisms for aerospace engineering, speed governors for power machines, fuel injection systems, and automotive servo systems

It includes hydrostatic transmissions, automotive fuel injection, hydropower speed units governor, aerospace servo systems along with case studies of specified companies

Aids in predicting and optimizing the static and dynamic performances related to the systems under study

Table of Contents

1. Overview on the numerical engineering simulation software

1.1. Introduction

1.2. Free software capabilities

1.3. Proprietary software capabilities

2. Capabilities of LMS Imagine.Lab AMESIM platform for solving engineering problems

2.1. Platform overview

2.2. AMESIM platform capabilities

2.3. LMS Imagine.Lab Solutions

3. Numerical simulation of the basic hydraulic components

3.1. Flow through orifices

3.2. Three-way flow valves

3.3. Four-way flow valves

3.4. Hydraulic single stage pressure relief valves dynamics

3.5. Simulation of a pressure relief valve by AMESIM

3.6. Simulation of the two stages pressure relief valves

Chapter 4. Numerical simulation and experimental identification of the electrohydraulic servovalves

4.1. Simulating the behavior of the electrohydraulic servovalves with additional electric feedback

4.2. Simulation with AMESIM as a tool for dynamic identification of the electrohydraulic servovalves

4.3. Simulation and experimental validation of the overlap influence on the flow servovalves performance

4.4. Designing the controller of a servovalve by simulation

Chapter 5. Numerical simulation and experimental identification of the hydraulic servomechanisms

5.1. Signal port approach versus multiport approach in simulating hydraulic servomechanisms

5.2. Dynamics of the electrohydraulic servomechanisms used in variable valve trains of the diesel engines

5.3. Modeling and simulation of a hybrid electrohydraulic flight control servomechanism

5.4. Increasing the stability of an electrohydraulic flight control servomechanisms by a hydraulic damper

5.5. Dynamics of the hydromechanical servomechanisms supplied at constant pressure

5.6. Improving the accuracy of the electrohydraulic servomechanisms by additional feedbacks

5.7. Modeling, simulation and experimental validation of the sinchronized electrohydraulic servomechanisms

Chapter 6. Numerical simulation of the automotive hydraulic steering systems

6.1. Numerical simulation and experimental identification of the car hydraulic steering systems

6.2. Modeling and simulation of the hydraulic power steering systems with AMESIM

6.3. Researches on the electrohydraulic steering systems of the articulated vehicles

Chapter 7. Modeling, simulation, and identification of the hydrostatic pumps and motors

7.1. Numerical simulation of a single stage pressure compensator

7.2. Dynamics of a two stages pressure compensator for swash plate pumps

7.3. Open circuits electrohydraulic servopumps dynamics

7.4. Numerical simulation of the mechanical feedback servopumps by AMESIM

7.5. Numerical simulation of the dynamics of the electrohydraulic bent axis force feedback servomotors

Chapter 8. Numerical simulation of the hydrostatic transmissions

8.1. Design problems of the hydrostatic transmissions

8.2. Dinamics of the hydrostatic transmissions for mobile equipments

Chapter 9. Design of the speed governors for hydraulic turbines by AMESIM

9.1. Modeling and simulation of the high head Francis turbines

9.2. Example of sizing and tuning the speed governors for Kaplan turbines by AMESIM

Chapter 10. Numerical simulation of the fuel injection systems

10.1. Numerical simulation of common rail injection systems with solenoid injectors

10.2. Dynamics of the piezoceramic actuated fuel injectors

10.3. Applications of AMESIM in the optimisation of the common rail agrofuel injection systems

Chapter 11. Numerical simulation and experimental validation of ABS systems for automotive systems

11.1. Development and validation of abs/esp models for braking system components

11.2. Brake system model reduction and integration in a hil environment

11.3. Validation of the real time global model by comparison with the experimental data

Chapter 12. Numerical simulation and experimental tuning of the electrohydraulic servosystems for mobile equipments

12.1. Structure of the electrohydraulic servosystems with laser feedback used for ground leveling equipments

12.2. Test bench for simulation of the real operational conditions of the laser module on the equipment

12.3. Numerical simulation and experimental identification of the laser controlled modular systems for leveling machine in horizontal plane

12.4. Experimental identification

12.5. Conclusions

Chapter 13. Using AMESIM for solving multiphysics problems

13.1. Real-time systems and HIL testing

13.2. Objectives of the hil simulation of the road vehicles electrical powertrain

13.3. Specific tools used in the development of a test bench for electric powertrain

13.4. AMESIM simulation environment features used for HIL

13.5. Vehicle modeling in amesim

13.6. Connecting the real electrical motor to the virtual model

13.7. Modelling aerodynamic parameters

13.8. Determinig the vehicle speed

13.9. Results obtained using a model with an ideal power source

13.10. Results obtained using a model with a non-ideal power source

13.11. Simulation results for the complete vehicle model in amesim

13.12. Preparing the amesim models for real-time simulation

13.13. Hardware in the loop test stand hardware structure

13.14. Hardware in the loop test stand software structure

13.15. The graphical interface

13.16. Simulation results

13.17. Conclusions

About the Authors

Nicolae Vasiliu (born in 1946) graduated in Hydropower Engineering from University POLITEHNICA of Bucharest in 1969. He became Ph.D. in Fluid Mechanics after a research stage in Grand State University and Von Karman Institute from Bruxelles. He became state professor in 1994, leading the Fluid Control Laboratory from U.P.B. He worked always for the industry, as project manager or scientific advisor. In 1980, he joined the Hydraulic Control Team from the Romanian Aerospace Institute. He is working mainly in modeling, simulation, dynamic identification, remote control, and virtual instrumentation of the electro hydraulic control systems. Some highlights of his career include: manager, from 1996, of the ENERGY & ENVIRONMENT RESEARCH CENTRE from U.P.B.; Director of the ROMANIAN INNOVATION FINANCING AGENCY (2006-201). In the FLUID POWER NET, Prof. Vasiliu currently serves as Romanian Chairman. He has received many awards for achievements in education and leadership. Some of his patents gained international awards in Geneva, Bruxelles, Moscow and Warsaw, and were successfully applied. He is a member of the ROMANIAN TECHNICAL SCIENCES ACADEMY from 2012.

Daniela Vasiliu (born in 1958) graduated in 1981 in Mechanical Engineering, Hydraulic & Pneumatic Machines from University POLITEHNICA of Bucharest. She became a Ph.D. in Fluid Power Systems in 1997, after a long series of research stages in INSA TOULOUSE, IMAGINE FRANCE, LMS BELGIUM, and FESTO AUSTRIA. After graduation and a stage in the Hydraulic Machinery Laboratory of the PLOPENI MECHANICAL COMPANY, she worked as research engineer in the POWER EQUIPMENT RESEARCH INSTITUTE, Electro Hydraulic Speed Governor Laboratory. In 1985, she joined as researcher the Hydraulics and Hydraulic Machinery Chair and the Automotive Chair from U.P.B. In 1990, she became lecturer in the same chair. Full professor from 2001, she developed the CAD/CAE laboratory directed to the modeling, simulation and experimental identification of the electro hydraulic servo pumps, servomotors and automotive servomechanisms with high level software like AMESIM and LabVIEW. She developed the research platforms e-AHP and ENERGY & ENVIRONMENT SCADA, with LMS INTL, ANSYS, PTC, ESRI, NI and other top-level engineering companies. Prof. Vasiliu D. is the director of the FLUID POWER LABORATORY from U.P.B., member of FLUID POWER NET, ASME, EUROSIS, SIA, SIAR, AGIR, and FLUIDAS.

Constantin CALINOIU graduated in Power Engineering from University POLITEHNICA of Bucharest in 1975, and in Mathematics at the Bucharest University in 1981. After his studies, he became scientific researcher in the Hydraulics Laboratory of the Romanian Aerospace Institute. In 1998, he defended his PhD thesis, and became associated professor in the Fluid Power Laboratory from U.P.B. He is working mainly in modeling, simulation, and identification of the hydraulic and electrohydraulic control systems.

Radu PUHALSCHI graduated in Applied Computer Science from University POLITEHNICA of Bucharest in 2009, and then a Master in Advanced Hydraulic and Pneumatic Systems in 2011. After a stage of web designer at HP Germany, he elaborated a PhD thesis on Real-Time Simulation of hydraulic systems at the Fluid Power Laboratory from the Power Engineering Department of the University POLITEHNICA of Bucharest. Currently, he is working as control engineer in HONEYWELL CORPORATION subsidiary of Romania.

Subject Categories

BISAC Subject Codes/Headings:
SCI041000
SCIENCE / Mechanics / General
TEC007000
TECHNOLOGY & ENGINEERING / Electrical
TEC009070
TECHNOLOGY & ENGINEERING / Mechanical