Principles of Hydraulic Systems Design, Second Edition 2nd Edition by Peter Chapple pdf .
Chapter 1 Hydraulic Power Transmission and Its Control
Chapter 2 Hydrostatic Pumps and Motors
Chapter 3 Hydraulic Cylinders
Chapter 4 Pressure Control Valves
Chapter 5 Flow Control Valves
Chapter 6 Ancillary Equipment
Chapter 7 Circuit Design
Chapter 8 Flow Processes in Hydraulic Systems
Chapter 9 Operating Efficiencies of Pumps and Motors
Chapter 10 Control System Design
Chapter 11 Performance Analysis
Chapter 12 Systems Management
Abstract:This is the second edition of the book which was published in 2002. Fluid power systems are manufactured by many organizations for a very wide range of applications, which often embody differing arrangements of components to fulfill a given task. Hydraulic components are manufactured to provide the control functions required for the operation of a wide range of systems and applications. This second edition of the book is structured so as to give an understanding of:
• The basic types of components, their operational principles and the estimation of their performance in a variety of applications. Component manufacturer diagrams are included to aid the understanding of the mechanical principles involved. This second edition has added a description of the digital control methods for independently operated valves for pumps and motors.
• A resume of the flow processes that occur in hydraulic components.
• A review of the modeling process for the efficiency of pumps and motors. This second edition includes an analysis for estimating the mechanical loss in a typical hydraulic motor.
• The way in which circuits can be arranged using available components to provide a range of functional system outputs. This includes the analysis and design of closed loop control systems and some applications.
• The analytical methods that are used in system design and the prediction of steady state and dynamic performance in a range of applications. This second edition deals more extensively with the analysis of hydraulic circuits for different types of hydrostatic power transmission systems and their application.
• This second edition also includes a description of the use of international standards in the design and management of hydraulic systems.
Introduction to Second Edition: The first edition of this book was intended to provide knowledge of hydraulic components, their operating characteristics and available circuit arrangements to assist in the design of hydraulic systems for a range of applications. For some circuits it is important to predict the dynamic performance of the overall system particularly where closed loop control is being employed. For this purpose and to provide a general understanding of how parameters vary transiently analytical methods are developed that provide techniques for studying the dynamics of systems. In this second edition these features have been retained and expanded upon so as to evaluate the performance of some hydrostatic transmission examples.
In the period since the first edition there has been a considerable expansion in the use of digital computers for control purposes which has been accompanied by developments in the instrumentation field and use of electromechanical valves. This technology often involves closed loop control methods for example, the control of motor speed in a hydrostatic transmission. This raises issues of dynamic performance and stability, areas that are expanded in this second edition.
It is useful to have an understanding of the mechanical losses in pumps and motors and a section has been added to model frictional processes in a typical hydrostatic motor which shows the effects of friction on torque and mechanical efficiency.
Independently operated valves for pumps and motors are not a new technological development but their use is becoming more apparent because of the options that are available for displacement control. The advantages of this technology are that conventional distributor valves and displacement change mechanisms are avoided which eliminates their frictional and volumetric losses and consequently results in increased efficiency particularly at reduced displacement. The design aspects of servo systems to provide this important feature are discussed.
There has been a considerable development of industrial standards particularly in the fields of the determination of dangerous failure possibilities and system safety. These standards are referred to where applicable and discussed in the final chapter on systems management. Relevant standards are listed in the Appendix.
PRINCIPLES OF HYDRAULIC SYSTEMS DESIGN SECOND EDITION PETER CHAPPLE.
⏩Author: Peter Chapple
⏩Publisher: Momentum Press
⏩Puplication Date: December 31, 2014
⏩Size: 4.67 MB
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