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In this paper, we investigate the influence of warpage on the state estimation of the gyro-free IMU. A configuration-optimized gyro-free IMU is designed for investigation. Four triaxial MEMS accelerometers with specified configuration are used in order to directly determine the magnitude and sign of the angular velocity without integration. An optimized configuration geometry is presented to increase...
In this paper, simulation model for the response time of micro flow sensor using COMSOL Multiphysics is presented. The detailed structure of the micro flow sensor chip is considered in the simulation model. What's more, the temperature dependencies of physical properties of air are defined to improve the model precision. The model takes into consideration the transient conduction and convection between...
In this paper, we investigate the influence of warpage on the state estimation of the gyro-free IMU. A configuration-optimized gyro-free IMU is designed for investigation. Four triaxial MEMS accelerometers with specified configuration are used in order to directly determine the magnitude and sign of the angular velocity without integration. An optimized configuration geometry is presented to increase...
In this paper, simulation model for the response time of micro flow sensor using COMSOL Multiphysics is presented. The detailed structure of the micro flow sensor chip is considered in the simulation model. What's more, the temperature dependencies of physical properties of air are defined to improve the model precision. The model takes into consideration the transient conduction and convection between...
Design and implementation is critically important for micro electro mechanical systems (MEMS) based devices, modules. As a typical instance, modern attitude and heading reference systems (AHRS) generally use Kalman Filter to integrate gyroscopes with some other augmenting sensors, such as accelerometers and magnetometers, so as to provide a long term stable orientation solution. While warpage of printed...
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