Introduction to Industrial Automation

 9 

PID Control in the Industry ........................................................................................... 373

9.1  PID Control .........................................................................................................373

9.2  PID Control in PLCs............................................................................................376

 10 

Industrial Applications.............................................................................................381

10.1  Cyclic Operation of Traffic Lights ........................................................................381

10.2  Conveyor System for an Assortment of Objects by Pairs .......................................381

10.3  Packaging System of Different Balls .................................................................... 383

10.4  Conveyor System for Transferring Granular Material with Weight Control ........ 384

10.5  The Food Industry: A Machine for Production of Tzatziki Salad .........................385

10.6  Retentive Reciprocating Movement of a Worktable ............................................. 387

10.7  Wooden Plate Stacking, Painting and Transferring Process ................................. 388

10.8  An Automated Billiard Table Controlled by a PLC ............................................. 388

10.9  Automated Filling of Two Milk Tanks ................................................................ 389

10.10 Modular Programming for a Set of Processing and Repairing Stations ................ 390

10.11 Traffic Light Control of a Complex Intersection ...................................................391

10.12 Combined Operation of Two Conveyor Belts .......................................................392

10.13 A Machine with Three Operational States and an Acknowledgement Signal ........392

10.14 Chemical Cleaning Process of Metallic Objects ...................................................392

10.15 Driving a Step Motor Through a PLC....................................................................393

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 Contents

10.16 Stacking Machine of Light Objects ....................................................................... 394

10.17 A Simple Robotic Arm for Pickup and Placement of Light Objects ......................395

10.18 Heat Treatment Process in a Chamber Furnace ................................................... 396

10.19 Working Time Monitoring of a Machine under a Three-Shift Schedule .............. 397

10.20 Feeding an Assembly Machine with Components in Bulk .................................. 398

10.21 A Roller Conveyor System for Wrapping Plastic Membrane ................................ 399

10.22 Color-Based Separation of Plastic Balls ................................................................ 399

10.23 The Shearing Machine of an Unfolded Aluminum Sheet .......................................401

10.24 Inlet and Outlet Rate Monitoring of Transferred Objects In and Out 

of a Process Machine ........................................................................................... 402

10.25 A Metal Plate Rolling Mill Machine and Control of Their Thickness .................. 402

10.26 An Object Painting and Transporting System ..................................................... 403

10.27 A Multiple Bottle Packing Station ......................................................................... 404

10.28 A Barrel-Filling System for Dry Bulk Material ...................................................405

10.29 An Electro-Pneumatic System for Pickup and Lay Down of Plastic Containers...... 406