Page 16 - Sensors and Control Systems in Manufacturing
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Contents
5.5.1 Computer-Integrated Manufacturing xv
Database (CIM DB) . . . . . . . . . . . . . 252
5.5.2 Structure of Multiobjective Support
Decision Systems . . . . . . . . . . . . . . . 253
5.6 Analysis and Design of CIM with Sensors
and Control Systems . . . . . . . . . . . . . . . . . . . . 254
5.6.1 Structured Analysis and Design
Technique (SADT) . . . . . . . . . . . . . . 255
5.6.2 A Multiobjective Approach for Selection
of Sensors in Manufacturing . . . . . . 256
5.7 Data Acquisition for Sensors and Control
Systems in CIM Environments . . . . . . . . . . . 257
5.7.1 Real-World Phenomena . . . . . . . . . . 257
5.7.2 Sensors and Actuators . . . . . . . . . . . 257
5.7.3 Signal Conditioning . . . . . . . . . . . . . 259
5.7.4 Data Acquisition for Sensors and
Control Hardware . . . . . . . . . . . . . . 259
5.7.5 Computer System . . . . . . . . . . . . . . . 261
5.7.6 Communication Interfaces . . . . . . . 261
5.7.7 Software . . . . . . . . . . . . . . . . . . . . . . . 262
5.8 Developing CIM Strategy with Emphasis on
Sensors’ Role in Manufacturing . . . . . . . . . . 262
5.8.1 CIM and Building Blocks . . . . . . . . 263
5.8.2 CIM Communications . . . . . . . . . . . 264
5.8.3 Plant Floor Communications . . . . . 264
5.8.4 Managing Data in the CIM
Environment . . . . . . . . . . . . . . . . . . . 266
5.8.5 CIM Environment Presentation . . . 267
5.8.6 The Requirement for Integration . . . 269
Further Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
6 Advanced Sensor Technology in Precision
Manufacturing Applications . . . . . . . . . . . . . . . . . . . 275
6.1 Identification of Manufactured
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
6.1.1 Bar-Code Identifi cation
Systems . . . . . . . . . . . . . . . . . . . . . . . 275
6.1.2 Transponders . . . . . . . . . . . . . . . . . . 277
6.1.3 Electromagnetic Identifi cation of
Manufactured Components . . . . . . 277
6.1.4 Surface Acoustic Waves . . . . . . . . . . 278
6.1.5 Optical Character Recognition . . . . 278
6.2 Digital Encoder Sensors . . . . . . . . . . . . . . . . . 278
6.2.1 Position Encoder Sensors in
Manufacturing . . . . . . . . . . . . . . . . . 280