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| Switching control method between force and displacement based on positive displacement feedback Tan |
| Xiaojing1 Wang Zhen2 Wu Bin2 Zhou Huimeng3 Alata4 |
1.Yunnan Institute of Building Research, Kunming 650223, China；
2.Harbin Institute of Technology, Harbin 150090,China；
3. Institute of Engineering Mechanics, China Earthquake Administration, Harbin150080,China；
4.Yunnan Institute of Earthquake Engineering Investigation, Kunming 650041, China |
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Abstract A force-displacement switching control method based on the positive displacement feedback loop is proposed in order to combine the advantages of the force control mode and the displacement control mode and to accomplish automatic switching in pseudo-dynamic testing. Firstly, the switching process is theoretically analyzed. Numerical simulations and test results demonstrate that this method can provide automatic and smooth switching between force control and displacement control.
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Received: 15 January 2015
Published: 25 December 2015
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