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Safety construction of deep foundation pit in narrow space is one technology difficulty. Analysis on the deformation of adjacent building during excavation and supporting is the key factor. Taking the deep foundation pit, supporting structure and surrounding buildings as one system, this paper applies the numerical simulation analysis method to carry out… (More)
The dynamic stability of structure is attracting more and more attention. How to control the dynamic instability effectively is a new subject; piezoelectric smart structure makes itpsilas possible. The research of dynamic stability involves some subjects, and was developed recent decades. The birth of intelligent structure gives a new way of the active… (More)
Diesel is a very complex system. Subsystems and components of diesel will be failure, between failure symptoms and causes have many uncertain factors. In view of this situation, fault diagnosis method based on PSO algorithm is presented. The effectiveness of this method is proved with an example of diesel system.