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Values of system parameters_
| Symbol | Value | Unit |
|---|---|---|
| m | 2 | kg |
| k | 250 | N/m |
| b | 2.236 | – |
Response of SDOF system and percentage reduction in response output_
| Case 3 | ||||
|---|---|---|---|---|
| Type | Absolute maximum displacement (m) | Reduction (%) | Absolute maximum velocity (m/s) | Reduction (%) |
| Without controller | 8.465 × 10−3 | – | 1.206 × 10−1 | – |
| With controller | ||||
| FLC | 1.689 × 10−2 | 99.527% | 1.99 × 10−1 | 65.008% |
| LPID | 1.070 × 10−2 | 26.402% | 1.229 × 10−1 | 1.907% |
| NPID | 6.205 × 10−3 | 26.698% | 5.640 × 10−3 | 95.323% |
Values of gains_
| Proportional gain (kp) | Integral gain (ki) | Derivative gain (kd) |
|---|---|---|
| 0.42 | 0.08 | 0.28 |