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In order to improve the isolation effect of ultra-precision vibration isolation platform, an approach of advancing structural parameters optimization for the system based on fuzzy control is presented. This paper created a platform parametric model In ADAMS / view; completed the structural optimization under circumstances of taking the acceleration of vibration isolation platform, the system dynamic deflection and the dynamic displacement of the base as performance objective function; and applied the method of co-simulation using ADAMS and MATLAB under fuzzy control. The simulation results show that the active vibration isolation system optimized by ADAMS could effectively enhance the effect of active vibration isolation platform; the method of co-simulation provided a new way for dynamics studies of vibration isolation system.

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In IEEE802.15.4 compatible network, TDMA mechanism was used to access the medium and all nodes communicate to each other within one superframe periodically. In order to use the time slot efficiently, graph coloring algorithms are used to schedule the time slots in wireless sensor network. In this paper, the impacts of different assignments on network performance were analyzed and the result was extended to mesh topology network. The proposed data delay model was used to design a PSO algorithm to optimize the assignment schema. Finally, simulation was carried out to verify the practicability of the algorithm and the optimization effect was shown.