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An efficient, adaptive Kalman filter is presented based on heuristic reduction of MEMS inertial measurement unit drift, which can detect the failure of GPS, and reduce the drift of MEMS inertial measurement unit. The method applies in GPS/DR integrated navigation system, which pertains to the reduction of measurement errors in gyroscopes and accelerations used for tracking the position of vehicle...
Researches are undertaken to improve the control effect of Underwater Robots. A capacitor plate model controller (CPMC) is designed for a certain type of Underwater Robot. A new control method: generalized S-plane controller (GSPC) is put forward based on the analysis of two new control methods, sigmoid S-plane control (SSPC) and capacitor plate model control. Generalized S-plane controller represents...
Research on sensor fault diagnosis of underwater robots (URs) is undertaken to improve its whole system reliability. Based on the analysis of URspsila three kinds of sensor failures, fault diagnosis methods corresponding to these failures are presented. The basic principles of wavelet transform and linear smoothing are expressed, signal singularity analysis is conducted and the general standard of...
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