电镀物品-水力伺服作动器dsp控制(pdf 26)
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资料简介：
Contents
1 Introduction .. 2
2 The C2000 DSP for Digital Control... 3
3 Typical Hydraulic System Description ... 5
4 Hydraulic System Modelling... 9
5 Case Study. 14
6 Summary ... 20
7 References. 21
Appendix A Simulink Models . 22
Appendix B List of Symbols .. 25
List of Figures
1 Block Diagram of the TMS320F280x DSP Family . 4
2 Block Diagram of a Position Controlled Hydraulic Servo System 5
3 Diagram of Three Land, Four-way Flow Control Valve Spool 6
4 Cross Section of Nozzle-flapper Type Servo-valve (illustration courtesy of Moog) 7
5 Linear Servo-Hydraulic Actuator Assemblies (illustration courtesy of Moog)... 8
6 Cross-sectional Diagram of Double-ended, Double-acting Linear Actuator 8
7 Block Diagram of the Analogue Controller .. 9
8 Valve Torque Motor Assembly (illustration courtesy of Moog) .. 10
9 Valve Responding to Change in Electric Input (illustration courtesy of Moog) 10
10 Typical Servo-valve Frequency Response Curve (illustration courtesy of Moog) 11
11 Servo-valve Flow-pressure curves (illustration courtesy of Moog) . 12
12 Simulated Actuator Step Response 16
13 Step Response of Piston Chamber Pressures 17
14 Step Response of High-Performance Linear Actuator ... 17
15 Frequency Response of High-Performance Linear Actuator 18
16 Low Frequency Test on Low Friction Linear Actuator 18
17 Low Frequency Test on Linear Actuator with Significant Friction... 19
SPRAA76–January
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