The application of vibration theory in coupling analysis and signal optimization of integrated stabilization system

For the complexity of integrated stabilization system coupled analysis, the vibration theory equation modal method is introduced into integrated stabilization system. The equations of integrated stabilization system are transformed into model space equation and the solution vector of the equation a set of base is found by using the state space method. Then, the equation has solutions which realize the decoupling of the integrated stabilization system so that the analysis of model frequency response function can be executed. In the meanwhile, we use the least square method and eliminate the polynomial trend method to optimize the input signal. This approach not only improves the signal-to-noise ratio, but also reduces the roll angel of the ship under the same input condition. The effectiveness of this method can be verified by simulation.