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Description:
The system is designed for experiments covering courses of control theory and computer control technology. The lab exercises are performed with the USB data acquisition card, signal generator, virtual oscilloscope, script editor which are available on the PC.
Details:
1. Actual experiments: the practicalities consist of DC motor, step motor and temperature heater,
with which the following lab exercises can be performed: close-loop speed control of DC motor drive,
speed control of step motor drive and PID control. Additional, a single-capacitive tank liquid level
control system is available.
2. Experiment units: consists of operational amplifier, capacitance, resistance, potentiometer,
wiring area, etc.
3. Data acquisition card: USB data acquisition card is selected, which can be plugged in the
IBM-PC/AT or compatible computer, the maximum A/D sampling rate is 400kHz; 16-channel single-end A/D analog
input (conversion precision is 14 bits); 4-channel D/A analog output (conversion precision is 12 bits);
16-channel switching input, 16-channel switching output.
4. Software: functions of signal generator, virtual oscilloscope, VBscript and Jascript script
editor, experiment simulation, experimental report generation, etc.
5. DSP+CPLD based module (emulator is provided) is used for signal spectrum analysis and
corresponding experiments.
| | 1. Simulation of typical circuits
2. Transient response of second-order system
3. Research on linear system steady-state error
4. Frequency characteristics and typical circuits measurement
5. Cascade compensation of the Linear time-invariant System
6. Static Characteristics Testing of the Typical Non-Linear block
7. Phase Plane Analysis of the Non-Linear System
8. Describing Function Analysis of the Non-Linear System
9. Analysis of system controllability and observability
10. Pole assignment of control system
11. State feedback control system with inner model
12. State observe and application
13. Hybrid emulation of sampling control system
14. Hybrid emulation and analysis of sampling control system cascade compensation
Computer-based technology
15. A/D and D/A conversion
17. Research on D(S) discrete method
18. Research on digital PID control algorithm
19. Research on cascade control algorithm
20. Research on decoupling control algorithm
21. Dead-beat control algorithm in control system
22. Dalin algorithm with pure lag system
23. Full-state feedback control of linear discrete system
25. Single neural cell controller
26. Two dimensions fuzzy controller
27. Quadratic state regulators
Computer-based control system
28. Close-loop speed control experiment of DC motor drive
29. Speed control of step motor drive
30. Temperature closed loop PID control
31. Fixed value control of liquid level in double-capacity tank system
32. Cascade control of liquid level in single-capacity tank system
33. Real-time spectrum analysis of general signal
34. Fast Fourier transform (FFT)
35. Discrete cosine transform (DCT)
36. Approaching of analog filter
37. Finite impulse response filter (FIR)
38. Infinite impulse response filter (IIR)
39. Real-time digital filtering of aliasing signal
| DC stabilized power
supply
| ±5V/0.5A, ±15V/0.5A, +24V/0.5A, with short-circuit protection and auto restoring
| | DC digital voltmeter: measuring range: 0~20V, with three bands (200mV, 2V, 20V);
3 and 1/2 digit digital display; accuracy: 0.5%
Digital TRMS AC millivoltmeter: measuring range: 0~20V, with three bands(200mV,
2V, 20V); 3 and 1/2 -digit digital display; frequency band: 10Hz~1MHz; accuracy: 0.5%±2
digits
| | Output waveforms: sine, square, triangle, ramp, parabolic
Output frequency: 0.1Hz~10kHz,
Output amplitude: 0~15V (variable)
| | Measuring range: 0.1Hz~10kHz
| | Output amplitude: 0~±10V (variable)
| | C3.06/256M/80G/DVD/17 pure flat
| 3 and 1/2 -digit digital
multimeter
| 1. DC voltage: 200mV/2V/20V/200V/1000V ±(0.5%+3)
2. AC voltage: 2V/20V/200V/750V ±(0.8%+5)
3. DC current: 20uA/2mA/200mA/20A ±(1.5%+3)
4. AC current: 2mA/20mA/20A ±(1.5%+5)
5. resistance: 200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ ±(0.8%+5)
6. conductance: (0.1-100)nS ±(1.0%+30)
7. capacitance: 20nF/200nF/20uF/200uF ±(4.0%+10)
8. Frequency: 20kHz ±(1.5%+25) temperature: -40oC-1000oC ±(0.75%+3)
9. Special function: diode test, triode test, on/off alarm, low-voltage display,
data hold, self-turning off, functional protection, self-recovery insurance,
shakeproof, 10MΩ input impedance, 3 times/s sample rate, 40-400Hz AC frequency
response, manual operation and the maximum display is 1999.
| 60M two-channel
analog oscilloscope
| Bandwidth: DC-60MHz(-3db), CRT display
Vertical sensitive: 2mV/div~5V/div, eleven steps in 1-2-5 sequence, sensitive
accuracy: ±5%
Bandwidth response: 5mV/div: DC-60MHz -3dB
Bandwidth response: 2mV/div: DC-20MHz -3dB
Sweep ratio: main sweep A:0.5s/div-0.1us/div, 21 steps in 1-2-5 sequence ±5%
Sweep ratio: delayed sweep B:50ms/div-0.1us/div, 18 steps in 1-2-5 sequence ±5%
Frequency response: DC-2MHz-3dB
Built-in trigger source: CH1or CH2
Cursor readout: DV: two cursor lines(V), effective range ±3div
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