Maricopa Community Colleges  ELC214LL   20082-99999 
Official Course Description: MCCCD Approval: 11/27/07
ELC214LL 20082-99999 LAB 1 Credit(s) 3 Period(s)
Servo Systems Lab
Introduction to Servo Systems laboratory applications of servos, types of transducers used in servo systems, driver systems including motors, power amplifiers, and control amplifiers; rotary and velocity control systems; and resolvers, optical encoders, linear variable differential transformers, and linear position servo systems.
Prerequisites: (HVA/FAC/ELC105 and HVA/FAC/ELC105LL, or ELC119) and (FAC/HVA186 or GTC185) . Corequisites: ELC214.
Go to Competencies    Go to Outline
 
MCCCD Official Course Competencies:
 
ELC214LL   20082-99999 Servo Systems Lab
1. Identify and explain components associated with the AMATROL servo system trainer. (I)
2. Setup and test controls (experiment 1-2 , part II). (II)
3. Setup and operate the basic open-loop mode (experiment 1-2, part III). (III)
4. Calibrate the potentiometer and sensitivity (experiment 2-1). (IV)
5. Measure input and output voltage from a tachometer generator (experiment 2-2). (V)
6. Explain the operation of resolvers and encoders (experiment 2-3). (VI)
7. Test the effects of motor polarity and gain of the power amplifier (experiment 3-1, part I). (VII)
8. Determine torque verses speed of the motor (experiment 3-1, part II). (VIII)
9. Test the effect of the proportional amplifier (experiment 3- 2, part I). (IX)
10. Examine effects of signal summing, (experiment 3-2, part II). (X)
11. Observe and interpret results of current saturation, (experiment 3-2, part III). (XI)
12. Measure output of an amplifier asset for integral mode, (experiment 3-2, part IV). (XII)
13. Explain the concepts of control systems involving rotary position servo and rotary velocity servo, (experiment 1-4). (XIII)
14. Setup and operate rotary position servo in closed and open loop systems, (experiment 4-2, parts I - IV). (XIV)
15. Setup and operate rotary velocity servo in closed and open loop systems, (experiment 4-3, parts I - IV). (XV)
Go to Description    Go to top of Competencies
 
MCCCD Official Course Outline:
 
ELC214LL   20082-99999 Servo Systems Lab
    I. Components for AMATROL trainer
        A. electric drive panel
        B. control console
        C. rotary dynamometer
        D. direct current (DC) electric motor module
        E. associated cables
        F. electric power supply
        G. monitor panel
        H. lead screw and linear transducer module
      II. Setup and test controls.
          A. connect as per instruction
          B. follow steps 1-22
        III. Setup and operate controls.
            A. check setup and test control
            B. follow steps 10-10
            C. answer checkout activities
          IV. Potentiometer and sensitivity measurement.
              A. connect components as per experiment 2-1
              B. follow steps 1-9
              C. complete checkout activities
            V. Tachometer generator.
                A. setup as per figure 5 experiment 2-2
                B. follow steps 1-17
                C. complete checkout activities
              VI. Resolvers and encoders.
                  A. complete checkout activities
                VII. Motor polarity and power amplifier.
                    A. setup as per figure 11, experiment 3-1
                    B. follow steps 1-16
                  VIII. Torque verses speed of motor.
                      A. connect as per figure 13, experiment 3-1, part II
                      B. follow steps 1-10
                      C. complete checkout activities
                    IX. Proportional amplifier operation.
                        A. setup as per figure 9, experiment 3-2, part I
                        B. follow steps 1-24
                      X. Signal summing.
                          A. modify connections as instructed in step 1
                          B. follow steps 2-7
                        XI. Current saturation.
                            A. modify connections
                            B. follow steps 1-4
                            C. interpret results of the process
                          XII. Integral amplifier operation.
                              A. setup as per figure 10, experiment 3-2, part IV
                              B. follow steps 1-11
                              C. complete checkout activities
                            XIII. Control systems.
                                A. concept
                                B. rotary position servo
                                C. rotary velocity servo
                                D. checkout activities
                              XIV. Operation of rotary position servo.
                                  A. setup as per figure 8, experiment 4-2
                                  B. open and closed loop operation (part I)
                                  C. polarity effects (part II)
                                  D. proportional verses integral control (part III)
                                  E. instability (part IV)
                                  F. high gain verses low gain (part V)
                                  G. checkout activities
                                XV. Operation of rotary velocity servo.
                                    A. setup as per figure 4, experiment 4-3
                                    B. open and closed loop operation (part I)
                                    C. feedback polarity effects (part II)
                                    D. proportional verses integral control (part III)
                                    E. instability (part IV)
                                    F. external load effects (part V)
                                    G. checkout activities
                                Go to Description    Go to top of Competencies    Go to top of Outline