Complete Decentralized Displacement Control Algorithm

Abstract eng:
Damages caused on structures by seismic events could produce the lost of a great number of human lives. In some cases the building’s contents can often be more expensive than the structure. It is desirable to maintain the structure in optimal conditions before, during and after a seismic event. This could be achieved if the structure’s displacements are restricted. The controls algorithms have been greatly develop in the last years. Mainly they are classified in four forms of control: passive, active, semi active and hybrid. Most of the control forms have been applied on a centralized way; this means that all the information is sent to a central node where control algorithm is then calculated. The problem of this paradigm is the difficulty to scale its application. In this paper a completely decentralized control algorithm is analytically implemented. The algorithm considers that each one of the control systems take the best decision based solely in the information collected at its location. The semi active control is used because of following advantages over the active control: minimum consumption of energy, little or null possibility of destabilization, diminution of the possibility of data saturation, and reduces the response time in caparison to the centralized control.

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