Simulation of Fluid Power Systems with Simcenter Amesim

635 Pages·2018·100.38 MB·English

by  C?LINOIU

Simulation of Fluid Power Systems
with Simcenter Amesim

Simulation of Fluid Power Systems
with Simcenter Amesim
Nicolae Vasiliu
Daniela Vasiliu
Constantin Călinoiu
Radu Puhalschi
MATLAB® is a trademark of The MathWorks, Inc. and is used with permission. The MathWorks does not warrant the
accuracy of the text or exercises in this book. This book’s use or discussion of MATLAB® software or related products does
not constitute endorsement or sponsorship by The MathWorks of a particular pedagogical approach or particular use of the
MATLAB® software.
CRC Press
Taylor & Francis Group
6000 Broken Sound Parkway NW, Suite 300
Boca Raton, FL 33487-2742
© 2018 by Taylor & Francis Group, LLC
CRC Press is an imprint of Taylor & Francis Group, an Informa business
No claim to original U.S. Government works
Printed on acid-free paper
International Standard Book Number-13: 978-1-4822-5355-9 (Hardback)
International Standard Book Number-13: 978-1-3151-1888-8 (eBook)
This book contains information obtained from authentic and highly regarded sources. Reasonable efforts have been made
to publish reliable data and information, but the author and publisher cannot assume responsibility for the validity of all
materials or the consequences of their use. The authors and publishers have attempted to trace the copyright holders of all
material reproduced in this publication and apologize to copyright holders if permission to publish in this form has not been
obtained. If any copyright material has not been acknowledged please write and let us know so we may rectify in any future
reprint.
Except as permitted under U.S. Copyright Law, no part of this book may be reprinted, reproduced, transmitted, or utilized in any
form by any electronic, mechanical, or other means, now known or hereafter invented, including photocopying, microfilming, and
recording, or in any information storage or retrieval system, without written permission from the publishers.
For permission to photocopy or use material electronically from this work, please access www.copyright.com (http://
www.copyright.com/) or contact the Copyright Clearance Center, Inc. (CCC), 222 Rosewood Drive, Danvers, MA 01923,
978-750-8400. CCC is a not-for-profit organization that provides licenses and registration for a variety of users. For
organizations that have been granted a photocopy license by the CCC, a separate system of payment has been arranged.
Trademark Notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identi-
fication and explanation without intent to infringe.
Library of Congress Cataloging-in-Publication Data
Names: Vasiliu, Nicolae, 1946- author. | Vasiliu, Daniela, 1958- author. |
Calinoiu, Constantin, author. | Puhalschi, Radu, author.
Title: Simulation of fluid power systems with Simcenter Amesim / Nicolae
Vasiliu, Daniela Vasiliu, Constantin Calinoiu, Radu Puhalschi.
Description: Boca Raton : Taylor & Francis, CRC Press, 2018. | Includes
bibliographical references and index.
Identifiers: LCCN 2017040525| ISBN 9781482253559 (hardback : alk. paper) |
ISBN 9781315118888 (ebook)
Subjects: LCSH: Fluid power technology--Computer simulation. | LMS
imagine.lab amesim.
Classification: LCC TJ843 .V37 2018 | DDC 620.1/06--dc23
LC record available at https://lccn.loc.gov/2017040525
Visit the Taylor & Francis Web site at
http://www.taylorandfrancis.com
and the CRC Press Web site at
http://www.crcpress.com
Dedication
To Dr. Jan Leuridan, a huge engine of the world scientific
technology, and a kind leader anywhere.

Contents
Preface ..........................................................................................................................................xvii
Acknowledgments ....................................................................................................................xxiii
Authors ........................................................................................................................................xxv
Chapter 1 Overview on the numerical engineering simulation software ......................1
1.1 Introduction ............................................................................................................................1
1.2 Free software capabilities ......................................................................................................2
1.3 Proprietary software capabilities .........................................................................................5
Bibliography ..................................................................................................................................10
Chapter 2 Capabilities of Simcenter Amesim platform for solving engineering
problems ..................................................................................................................11
2.1 Platform overview ................................................................................................................11
2.2 Amesim platform capabilities ............................................................................................12
2.2.1 Personalization features ......................................................................................12
2.2.2 Analysis tools ........................................................................................................13
2.2.3 Optimization, Robustness, and Design of Experiments ................................14
2.2.4 Amesim Simulator Scripting ..............................................................................14
2.2.5 Amesim Customization .......................................................................................15
2.2.6 Solvers and Numerics ..........................................................................................15
2.2.7 Model-in-the-Loop, Software-in-the-Loop, Hardware-in-the-Loop,
and Real Time .......................................................................................................16
2.2.8 Amesim Software Interfaces ..............................................................................17
2.2.9 1D/3D CAE ............................................................................................................18
2.2.10 Amesim Libraries .................................................................................................18
2.3 LMS Imagine.Lab Solutions ................................................................................................19
2.3.1 LMS Imagine.Lab Powertrain Transmission ....................................................19
2.3.1.1 LMS Imagine.Lab Drivability ............................................................20
2.3.1.2 Noise, Vibration, and Harshness .......................................................20
2.3.1.3 Performance and Losses .....................................................................21
2.3.1.4 LMS Imagine.Lab Hybrid Vehicle .....................................................21
2.3.2 LMS Imagine.Lab Internal Combustion Engine ..............................................22
2.3.2.1 Engine Control .....................................................................................22
2.3.2.2 Air Path Management .........................................................................23
2.3.2.3 Combustion ..........................................................................................23
2.3.2.4 Emissions ..............................................................................................24
2.3.2.5 Internal Combustion Engine Related Hydraulics ..........................24
vii
viii Contents
2.3.3 LMS Imagine.Lab Vehicle System Dynamics .....................................................25
2.3.3.1 Vehicle Dynamics ..................................................................................25
2.3.3.2 LMS Imagine.Lab Vehicle Dynamics Control ...................................26
2.3.3.3 LMS Imagine.Lab Braking System ......................................................26
2.3.3.4 LMS Imagine.Lab Power Steering .......................................................27
2.3.3.5 LMS Imagine.Lab Suspension and Anti-Roll ....................................27
2.3.4 LMS Imagine.Lab Vehicle Thermal Management .............................................28
2.3.4.1 LMS Imagine.Lab Engine Cooling System ........................................29
2.3.4.2 LMS Imagine.Lab Refrigerant Loop....................................................29
2.3.4.3 LMS Imagine.Lab Passenger Comfort ................................................29
2.3.4.4 LMS Imagine.Lab Lubrication .............................................................30
2.3.5 LMS Imagine.Lab Aerospace Systems .................................................................30
2.3.5.1 LMS Imagine.Lab Landing Gear .........................................................30
2.3.5.2 LMS Imagine.Lab Flight Controls Actuations ...................................31
2.3.5.3 LMS Imagine.Lab Aerospace Engine Equipment .............................31
2.3.5.4 LMS Imagine.Lab Environmental Control Systems .........................32
2.3.5.5 LMS Imagine.Lab Aircraft Engine ......................................................32
2.3.5.6 LMS Imagine.Lab Aircraft Fuel Systems ............................................32
2.3.5.7 LMS Imagine.Lab Electrical Aircraft ..................................................33
2.3.6 LMS Imagine.Lab Thermofluid Systems and Components .............................33
2.3.6.1 LMS Imagine.Lab Hydraulics ..............................................................33
2.3.6.2 LMS Imagine.Lab Pneumatics .............................................................34
2.3.6.3 LMS Imagine.Lab Gas Mixtures ..........................................................34
2.3.6.4 LMS Imagine.Lab Thermal–Hydraulics .............................................35
2.3.6.5 LMS Imagine.Lab Two-Phase Flow Systems .....................................35
2.3.6.6 LMS Imagine.Lab Mobile Hydraulics Actuation Systems ...............35
2.3.6.7 LMS Imagine.Lab Thermofluids Systems ..........................................36
2.3.7 LMS Imagine.Lab Electromechanical ..................................................................36
2.3.7.1 LMS Imagine.Lab Electric Storage Systems .......................................36
2.3.7.2 LMS Imagine.Lab Electromechanical Components .........................37
2.3.7.3 LMS Imagine.Lab Electrical Systems ..................................................37
2.3.7.4 LMS Imagine.Lab Automotive Electrics .............................................37
2.3.7.5 LMS Imagine.Lab Fuel Cells ................................................................38
2.3.8 LMS Imagine.Lab Vehicle Energy Management ................................................38
2.3.8.1 LMS Imagine.Lab Vehicle Energy Management and Thermal .......39
2.3.8.2 LMS Imagine.Lab Vehicle Energy Management and
Drivability .....................................................................................39
2.3.8.3 LMS Imagine.Lab Engine Integration .................................................39
Bibliography ..................................................................................................................................40
Chapter 3 Numerical simulation of the basic hydraulic components ............................41
3.1 Flow through orifices ...........................................................................................................41
3.2 Three-way flow valves .........................................................................................................54
3.3 Four-way flow valves ...........................................................................................................60
3.3.1 The aim of the simulations ...................................................................................60
3.3.2 Critical lap case .......................................................................................................63
3.3.3 Positive lap spool ....................................................................................................66
3.3.4 Case of negative lap ...............................................................................................71
Contents ix
3.4 Hydraulic single-stage pressure relief valves dynamics ................................................73
3.4.1 Problem formulation ..............................................................................................73
3.4.2 Mathematic modeling of the valve dynamic behavior .....................................75
3.4.3 Steady-state characteristics ...................................................................................81
3.4.4 Sizing the valve damper ........................................................................................82
3.4.5 Numerical simulation of the valve dynamics by SIMULINK .........................85
3.4.6 Conclusion ...............................................................................................................90
3.5 Simulation of a pressure relief valve by Amesim ............................................................91
3.5.1 Building the simulation model.............................................................................91
3.5.2 Running the simulation ........................................................................................93
3.5.3 Conclusion ...............................................................................................................98
3.6 Simulation of the two-stages pressure relief valves ........................................................98
3.6.1 The structure of the two-stages pressure relief valves .....................................98
3.6.2 Simulation of a typical piloted pressure relief valve with conical seat
and conical pilot ...................................................................................................101
3.6.3 The influence of the geometry of the main valve and the pilot valve ..........112
Section 1: Bibliography ...............................................................................................................116
Section 2: Bibliography ...............................................................................................................116
Section 3: Bibliography ...............................................................................................................117
Section 4: Bibliography ...............................................................................................................117
Section 5: Bibliography ...............................................................................................................117
Section 6: Bibliography ...............................................................................................................118
Chapter 4 Simulation and identification of the electrohydraulic servovalves ...........119
4.1 Simulating the behavior of the electrohydraulic servovalves with additional
electric feedback .................................................................................................................119
4.1.1 Problem formulation ............................................................................................119
4.1.2 Mathematical modeling ......................................................................................120
4.1.3 Simulations results ...............................................................................................124
4.1.4 Experimental results ............................................................................................127
4.1.5 Conclusion .............................................................................................................130
4.2 Simulation with Amesim as a tool for dynamic identification of the
electrohydraulic servovalves ............................................................................................130
4.2.1 Problem formulation ............................................................................................130
4.2.2 Preliminary simulations .....................................................................................131
4.2.3 Simulation results .................................................................................................131
4.2.4 Experimental results ............................................................................................134
4.2.5 Conclusion .............................................................................................................135
4.3 Simulation and experimental validation of the overlap influence on the flow
servovalves performance ..................................................................................................138
4.3.1 Introduction ..........................................................................................................138
4.3.2 Problem formulation ............................................................................................139
4.3.3 Numerical simulation ..........................................................................................141
4.3.4 Experimental validation of the simulations .....................................................147
4.3.5 Conclusion .............................................................................................................150
4.4 Designing the controller of a servovalve by simulation ...............................................152
4.4.1 Introduction .........................................................................................................152
4.4.2 Problem formulation ..........................................................................................153
4.4.3 New hardware design ........................................................................................155