Research Article
Vibration Control of Buildings Using Magnetorheological Damper: A New Control Algorithm
Table 1
Peak responses of the three-story building model under El Centro earthquake loads.
| Control strategy | | | | |
| Uncontrolled | 0.0055 | 0.0055 | 8.720 | ā | 0.0083 | 0.0031 | 10.60 | 0.0097 | 0.0020 | 14.02 |
| Passive-off | 0.0021 | 0.0021 | 4.216 | 259.2 | 0.0036 | 0.0016 | 4.832 | 0.0045 | 0.0010 | 7.176 |
| Passive-on | 0.0008 | 0.0008 | 2.914 | 992.8 | 0.0020 | 0.0017 | 4.976 | 0.0031 | 0.0011 | 7.710 |
| Lyapunov controller (A) | 0.0009 | 0.0009 | 6.356 | 1023 | 0.0021 | 0.0017 | 5.373 | 0.0031 | 0.0010 | 7.183 |
| Lyapunov controller (B) | 0.0013 | 0.0013 | 5.613 | 993.3 | 0.0018 | 0.0012 | 7.326 | 0.0023 | 0.0011 | 7.709 |
| Quasi-bang-bang controller | 0.0013 | 0.0013 | 5.015 | 1002 | 0.0016 | 0.0014 | 7.230 | 0.0023 | 0.0010 | 7.010 |
| Decentralized bang-bang controller | 0.0015 | 0.0015 | 3.776 | 923 | 0.0025 | 0.0013 | 4.310 | 0.0032 | 0.0008 | 5.416 |
| Modulated homogenous friction controller | 0.0019 | 0.0019 | 5.330 | 503 | 0.0029 | 0.0013 | 5.916 | 0.0038 | 0.0010 | 6.790 |
| Maximum energy dissipation controller | 0.0008 | 0.0008 | 3.150 | 993 | 0.0020 | 0.0017 | 5.023 | 0.0031 | 0.0011 | 7.731 |
| Clipped-optimal controller | 0.0014 | 0.0014 | 6.000 | 918 | 0.0021 | 0.0014 | 4.551 | 0.0026 | 0.0008 | 5.553 |
| Proposed controller | 0.0012 | 0.0012 | 5.008 | 848.9 | 0.0019 | 0.0012 | 4.159 | 0.0027 | 0.0007 | 5.053 |
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