Analog Control System, covered with many technical disciplines, explicates the central significance of Analog Control System. This applies particularly in mechanical and electrical engineering, and as well in production and process technology. t is indispensable to plant and system technology. n the automation field, important optimization tasks would be quite impossible to be accomplished without closed-loop control technology. n line with its increasing importance, closed-loop control has become an essential subject in professional training and further education for many professions. n the newly formulated training curriculum, this technology plays an important role covering a number of subjects in syllabuses for training in industry and the crafts. *Notebook is excluded. Features. Control engineering is an exciting discipline. t offers the most expedite in way to learn system control for improving production processes. Electronic analog control and simulation have become the cornerstone of technological advancement. K&H provides for students to observe the testing result of Proportional-ntegral-Derivative (PD) controllers as well as phase-lag and phase-lead controllers. 2. Modularized is flexible enough to cater to the needs of all level learners to make related experiments. 3. The whole control modules help students to understand control theory and application of hands-on motor control through our comprehensive and step-by-step teaching curriculums. R(s) ACS is an acronym for Analog Control System ; a laboratory teaching system with analog control courses for college and university level. (True hardware emulation) ACS is a true hardware arithmetic modeling system ------ Not just a trainer ------ - (Control function block ) K (K P s K D s) PD Controller bt s(sat) 2 K 3.5 K DS K PS K Example : ( K p K DS)( ) = S S( S 3.5) 3 2 S S 3.5 (Control system implementation) V q (s) (MATLAB software simulation) 4. We also provide PC based data acquisition device as interface to facilitate data storage from computer. 5
consists of 7 different plug-in modules and ACS-800 DC Servo Motor & Control Unit. t comes with an optional extra ACS-3022 Data Acquisition Device (DAQ). The plug-in modules, sliding into the system rack, can achieve the desired experiment. Each plug-in module offers a fundamental control building block on the panel for making different experiments. 2. ACS-3002 P-Controller () Continuous 0~0 proportional constant K P (precision0-turn potentiometer) (2) With push-button R-CAL. 0 for displaying K on the P (3) K range selector : x, x0, x50 P 3. ACS-3003 -Controller System Specifications. With main frame and modules 2. Cabinet : 3U / 6U, E..A. 9 " standard 3. DC power supply : ± 5Vdc 4. Module plug-in slot : 24 5. Hot pluggable Order nformation ACS-3022 PC 2 (Optional) () Continuous 0~0 integral constant K (2) With push-button R-CAL. for displaying K on the (3) K range selector : x, x0, x50 4. ACS-3004 D-Controller () Continuous 0~ derivative constant K D (2) With push-button R-CAL.2 for displaying K on the D (3) With over-range test output 5. ACS-3005 SUM/DF Amplifier PC-Based DSO PC TSO-000 DSO PC Modules Specification. ACS-300 Summing Junction () 3 positive inputs and 3 negative inputs for the sum of analog signals (2) Continuous 0~0 amplifier gain K (3) With push-button R-CAL.3 for displaying K on the 6. ACS-3006 ntegrator () 2 sets of analog signal summation (2) With over-range test output () nitial value : -0~0 (2) With synchronous control function (3) T constant setting :, 0, 00 6
7. ACS-3007 nverting Amplifier 2. ACS-30 Function Generator Sinusoid Triangle Square Step () One inverting buffer and one inverting amplifier with gain K of 0~0 (2) With push-button R-CAL.4 for displaying K on the 8. ACS-3007A nverting Amplifier () Output waves : Sinusoid, triangle, square, step, DC (2) Step pulse with synchronous control function (3) Amplitude associates with offset : -0V ~ 0V (4) Frequency : 0.0Hz~MHz Continuously adjustable (5) Amplitude Range : 50mVpp~8Vpp (open circuit) (6) Display : 4-digit,7-Segment display (7) Output impedance : 50Ω 3. ACS-302 Over Range Check () One inverting buffer and one inverting amplifier with gain K of 0~0 (2) With push-button R-CAL.5 for displaying K on the 9. ACS-3008 Second Order Plant () 8 sets of over-range detectors (2) Over-range indicator illuminates while input exceeding ±2.7V 4. ACS-303 Analog Power Driver Vi 2mm banana connector 3 Vo BNC () Used for first / second order plant simulation (2) a and b parameters : 0~0 (3) T parameter :, 0, 00 (4) With push-buttons R-CAL.6 and R-CAL.7 for displaying b and a on the (5) With over-range test output 0. ACS-3009 LEAD / LAG Compensator () Analog input voltage : 0~ ± 4V; input impedance : K Ω; gain : 3 (2) Analog output voltage : 0 ~ ± 2V; Max output current : A (3) nput amplitude limitation : ± 2V (4) Output with short-circuit and currentlimiting protection :.5A (5) 2mm to BNC adapter 5. ACS-304 DC Servo PWM Driver () z and p parameters : 0~0 (2) T parameter :, 0, 00 (3) With push-buttons R-CAL.8 and R-CAL.9 for displaying z and p on the. ACS-300 Test Signal Generator STEP RAMP PARABOLC () Provide input signals to control systems (2) STEP generator with positive and negative output (3) RAMP generator with positive output (4) PARABOLC generator with positive output (5) Amplitude associates with offset : -0V~0V (6) Frequency : Range x : 0.05Hz~0Hz Range x0 : 0.5Hz~00Hz () Analog input voltage : 0~ ± 2V (2) nput impedance : 00KΩ (3) PWM output : 0~2V, bridge PWM drive, Max. output current : A (4) With dead band elimination for protection (5) Output with short circuit and currentlimiting protection :.5A 6. ACS-305 Linear VR Angle / Position Sensor & Buffer () Resistance : KΩ STEP (2) Linearity : 0.% (3) Detecting angle : 0 ~ 350 (4) Angle to analog output voltage : -5V~5V (5) Output impedance : KΩ 7
7. ACS-306 Calibration & Testing Module V i () V-TEST analog input voltage : -5V~5V (2) R.CAL : R-CAL.0 ~ R-CAL.9 parameters (3) Display : 3 ½ digit, -9.99~9.99V or 0.00~00.0KΩ 8. ACS-3022 Data Acquisition Device (DAQ) ACS-3022 DAQ module with software interface is used to measure and record all experimental waveforms. () Channel Vi/ Vi2 : nput range : X : -0V~0V X2 : -20V~20V Bandwidth : 500Hz Sample rate : 2500 S/s (2) Channel Vo : Output range : DC -5V~5V (3) Connective : USB port on the front panel System requirement. PC : GHz or faster 32-bit (x86) or 64-bit (x64) processor, Dead-Zone Saturation K τms S Reducer Potentiometer Break(load) Motor Tachometer Reducer Potentiometer ON HGH LOW OFF GB RAM, GB more free disk space 2. OS : Windows XP / Vista / 7 / 8 9. ACS-800 DC Servo Motor & Control Unit OFF Ma M Mb T 64: K 2 K T a V V 0 V - T b V O T a DC servo motor & control unit can be provided for speed & position control. () DC servo motor (a) Voltage : 24VDC (b) No-load current : 00mA 30% (c) No-load speed : 3800 rpm ± 20% (d) Terminal resistance :.27 Ω ± 5% (e) Terminal inductance : 8.2 mh ± 0% ( f ) Torque constant : Kt = 0.567 Kg-cm/A ± 20% (2) Co-shaft tachometer (a) Back EMF : Ke = 6.00V/Kr.p.m. ± 5% (3) Gear-coupled linear VR for angle detecting (a) Gear ratio : 64: (b) mpedance : KΩ (c) Linearity : 0. % (d) Detecting angle : 0 ~ 350. (4) Co-shaft eddy current load (a) Load level selector : High=00 Gr-Cm, Low=0 Gr-Cm, OFF=0 ± 20% List of Experiments. Laplace transform experiment 2. System simulation experiment 3. Steady-state error experiment 4. First-order system experiment 5. Second-order system experiment 6. Transient response specifications experiment 7. Effects of zeros on first-order system experiment 8. Effects of zeros on second-order system experiment 9. Dominant pole of second-order system experiment 0. DC Servo motor characteristics experiment. Proportional controller experiment 2. P controller in DC servo motor speed / position 3. ntegral controller experiment 4. controller in DC servo motor speed / position 5. Derivative controller experiment 6. D controller in DC servo motor speed / position 7. Proportional-ntegral (P) controller experiment 8. P controller in DC servo motor speed / position 9. Proportional-Derivative (PD) controller experiment 20. PD controller in DC servo motor speed / position 2. PD controller experiment () Ziegler-nichols method () 22. PD controller experiment (2) Ziegler-nichols method (2) 23. PD controller experiment (3) Position control 24. PD controller experiment (4) Speed control 25. Closed loop DC servo motor speed / position control with PD controller experiment 26. nner-loop feedback 27. Phase lead compensators experiment () Root locus technique 28. Phase lead compensators experiment (2) Frequency 29. Phase lag compensators experiment () Root locus technique 30. Phase lag compensators experiment (2) Frequency 3. Phase lead-lag compensators experiment () Root locus technique 32. Phase lead-lag compensators experiment (2) Root locus technique 33. Phase lead-lag compensators experiment (3) Frequency 34. Pole-zero cancellation experiment 35. State feedback pole assignment experiment 8
List of Experiments Modules ACS-300 ACS-3002 ACS-3003 ACS-3004 ACS-3005 ACS-3006 ACS-3007 ACS-3007A ACS-3008 ACS-3009 ACS-300 ACS-30 ACS-302 ACS-303 ACS-304 ACS-305 ACS-306 ACS-3022 ACS-800 Exp. Exp.2 Exp.3 Exp.4 Exp.5 Exp.6 Exp.7 Exp.8 Laplace transform experiment System simulation experiment Steady-state error experiment First-order system experiment Second-order system experiment Transient response specifications experiment Effects of zeros on first-order system experiment Effects of zeros on second-order system experiment 2 2 2 2 Exp.9 Dominant pole of second-order system experiment Exp.0 DC servo motor characteristics experiment Exp. Proportional controller experiment P controller in DC servo motor speed / position control Exp.2 experiment Exp.3 ntegral controller experiment Exp.4 controller in DC servo motor speed/position Exp.5 Derivative controller experiment Exp.6 D controller in DC servo motor speed/position Exp.7 Proportional-ntegral (P) controller experiment P controller in DC servo motor speed/position Exp.8 Exp.9 Proportional-Derivative (PD) controller experiment Exp.20 PD controller in DC servo motor speed / position Exp.2 PD controller () Ziegler-nichols method () Exp.22 PD controller (2) Ziegler-nichols method (2) Exp.23 PD controller (3) Position control Exp.24 PD controller (4) Speed control Exp.25 Closed-loop DC servo motor speed / position control with PD controller experiment Exp.26 nner-loop feedback Exp.27 Phase lead compensator () Root locus technique Exp.28 Phase lead compensator (2) Frequency Exp.29 Phase lag compensator () Root locus technique Exp.30 Phase lag compensator (2) Frequency Exp.3 Phase lead-lag compensator () Root locus technique Exp.32 Phase lead-lag compensator (2) Root locus technique Exp.33 Phase lead-lag compensator (3) Frequency Exp.34 Pole-zero cancellation experiment Exp.35 State feedback pole assignment experiment. Optional module : ACS-3022 2. Optional software : MATLAB 9 0507