Design and Experiment Study for MHD Microradian Angular Vibratory Sensor

Measurement of microradian angular vibratory could be used for acquiring posture and vibratory information of the satellite platform, laser weapons and optical remote sensing platform, so that it could control posture of platform steadily. Without mechanical wear of traditional gyroscope and limited by optics comparing with optical gyroscope, the angular vibratory sensor based on magnetohydrodynamics(MHD) principle has the characteristics of high precision, broadband, long lifetime, surge suppression, small size and light-weight. This paper introduces the study process in different institutions, and then describes the sensitive principle of the MHD microradian angular vibratory sensor. Here we choose our designing scheme through comparing products based on the MHD principle internationally. After that, we demonstrate the transfer function, structure, magnetic field and current path design and technology realistic way to display a prototype. Eventually, we provide the result of the sensor test experiment, analysis and summary. We evaluate the current achievement and indicate the direction of the next step. This paper lays the foundation for realizing the engineering application.