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Automation Principles and Strategies

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??????????????????????????? ??????????. Automation Principles and ... Voltage , Ammeter Ohmmeter. Optical encoder. Linear Scale. Ultrasonic sensor. Strain gage ... – PowerPoint PPT presentation

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Title: Automation Principles and Strategies


1
??????????????????????????? ??????????Automation
Principles and Strategies
  • The USA Principles
  • 1997 APICS American Production and Inventory
    Control Society.
  • Understand the existing process
  • Simplify the Process
  • Automate the Process

2
1.Understand the existing process
  • ??????????????? ?????????????????
    ???????????????????
  • ??????? input
  • ??????????????????????????? ???????????? input
    ??? Output

3
1.Understand the existing process
  • ??????????????? ?????????????????
    ???????????????????
  • ??????????????? (function)???????????????????
  • ??????????????????????????????????????????
  • ??????????????? ??????(upstream) ??????????
    (downstream)?????????????? ???????????????????????
    ???????????????????????????

4
1.Understand the existing process
  • ??????????????? ?????????????????
    ???????????????????
  • ????????????????
  • ??????????? (work study)
  • ???????????? SWOT
  • ???????????????????????????? (input parameter
    output variable)

5
2. Simplify the process
  • ????????????????????????????????????
    ?????????????????????????????????? ????
    ?????????? ECCS ??????????
  • EEliminate all unnecessary work
    ????????????????????????????
  • C Combine operation or element
    ?????????????????????????????????
  • C Change the sequence of operation
    ?????????????????????
  • SSimplify the necessary operation
    ?????????????????????????

6
Ten Strategies for Automation
  • Groover ??? ????? ??????? 10 ?????????????????????
    ?????????? ??????
  • Specialization of Operation ??????????????????????
    ????????????????????? ????????????????????????????
    ?????????????
  • Combined Operations ?????????????????????????
    ???????????????????????????/???????? (work
    station) ????????????????
  • Simultaneous Operations ???????????????? ????
    ???????? 2-3 ?????????????????????????????????????
    ??????

7
Ten Strategies for Automation
  • 4. Integration of operation ????????????? ??????
    ??????????????????????????????????????????????????
    ?? ???????????????????????????????????????????????
    ????
  • 5.Increased Flexibility ?????????????????
    ??????????????????????????????????????????????????
    ? job shop ???????????????????????????????????????
    ??????????????????????????????????
  • 6. Improved material handling and Storage
    ??????????????????????????? ??????????????????????
    ??????

8
Ten Strategies for Automation
  • 7. On-line inspection ???????????????????????
    ??????????????????????????? ??????????????????????
    ?????????
  • 8. Process control and optimization
    ?????????????????????????? ???????????????????
  • 9. Plant Operation Control ??????????????????????
    ???????? ?????????????????????????????????????????
    ?????????????? ???? ??????????????????????????????
    ???????????????????
  • 10. Computer-integrated manufacturing
    ?????????????????????? ????????????????????????
    ???????????????????? ??? ?????????????????????????
    ???????????????

9
(No Transcript)
10
Automation Migration Strategy
  • ??????????????????????????????????
    ???????????????????? 3 ???????
  • Phase I manual production
  • ?????????????????????????? ?????????????
    ??????????????????????????? ???????????????????
  • Phase II Automated production
  • ?????????????????????????????????????????
    ????????????????????????????????
    ???????????????????????????????
  • Phase III Automated integrated production
  • ??????????????????????????????????????????
    ???????????????????????????? ????????????????????
    ??????????????? ?????????????????????

11
(No Transcript)
12
Levels of Automation
13
Basic Elements of an Automated System
  • ?????????? 3 ??????????? ??????
  • Power ???????????????????????????????????????
  • A Program of Instructions ????????????????
  • A Control system ?????????????????????

14
Power
  • Power for the process ????
  • ???????? gt ??????? ???????? Thermal
  • ??????? ??? gt ???????????? mechanical
  • ???????????
  • ?????

15
Power
  • Power for automation ??????????????????????????
  • ??????????? controller unit ??????????????????????
    ????/??????? ?????????????????? ?????????????????
    ???????? ????????????????????????????
  • Power ???????????????????????????
    ??????????????????????????????????????????????????
    ?????????? ???? ?????? ??????? ???????????????????
    ?????? (actuators)
  • ??????????????????????????? (Data acquisition and
    Information processing) ?????????????????????????
    ??????????????????????????????????????????????????
    ????

16
Program of Instructions
  • ?????????????????????????????????????????????
    ???????????????????????????????????????????????
  • Work Cycle Programs ?????????????????????????
    ???? Loop
  • ???????? ???? ?????????????????????
    ??????????????????
  • 1. ???? ???????????? ??????????????
  • 2. Timer ?????????????? ?????
  • 3. ???????? ????????????????????
  • - ???????????????????????? ?????????
    ??????????
  • - ??????????????????????

17
Control System
  • ?????????? ???????????????????????????????????
  • ???????? ???? Close Loop ??? Open Loop

18
Control System
  • Close Loop ???? ???????????? feedback control
    system ??????????????????????????????(output
    variable) ???????????????? input parameter
    ??????????????????????????????????????????????????
    ?????????????(output)?????????????????????????inpu
    t

19
Control System
20
Control System
  • Open Loop
  • ????????????????????????? ????????????????????????
    ????
  • ?????????????????????????????? ???????????????????
    ?? ????????????????????????????????? ???
    ??????????????????????????????????????????

21
Advanced Automation Functions
  • ??????????????????????????????????
  • ????????????????????????????Safety Monitoring
    ?????????????? ?????????? ?????????????????????
    ?? ???????????????????????????????????????????
  • 2. ??????????????? ????????????? Maintenance and
    Repair Diagnosis ?????? ?????????????
    ?????????????????????? ???????????????????????????
    ???
  • 3.?????????????????????????????? error detection
    recovery ????????????????????????? ????????

22
??????????????????????????
  • ?????????????? Actuators
  • ???? Measuring Sensor
  • ???? ?????? Control
  • LOGIC COTROL
  • Numerical Control

23
?????????????? Actuators
  • ???????
  • DC motor, Induction Motor, Stepping Motor, Servo
    Motor
  • Pneumatic , Hydraulic Motor

24
?????????????? Actuators
  • ?????????????????????
  • Hydraulic Cylinder
  • Pneumatic Piston
  • Linear screw/ tread
  • Solenoid

25
(No Transcript)
26
Measuring Devices Sensors
  • DC tachometer
  • Dynamometer/Load Cell
  • Thermometer
  • Voltage , Ammeter Ohmmeter
  • Optical encoder
  • Linear Scale
  • Ultrasonic sensor
  • Strain gage

27
(No Transcript)
28
??? 1
  • ?????????????????????? ???????????? 1 ???? (????
    ??????????????????????????)
  • ????????????????????
  • ??????????????????????????????
  • ???????????????????? Actuator, Sensor
  • ????????????? Control system
  • Work Cycle Program
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