The paper put forward using BP neural network and Kalman filter to signal processing of MEMS inertial sensors. This paper uses Kalman filter value for information fusion of gyroscope and accelerometer, and the attitude angle is accurate. The state and observation equation of attitude angle measuring system with characteristic of BP neural network, and the design of the Kalman filter is simple a...

In pedestrian navigation systems, the position of a pedestrian is computed using an inertial navigation algorithm. In the algorithm, the zero velocity updating plays an important role, where zero velocity intervals are detected and the velocity error is reset. To use the zero velocity updating, it is necessary to detect zero velocity intervals reliably. A new zero detection algorithm is propose...

This program focuses on developing inertial-grade micromachined accelerometers and gyroscopes and their associated electronics and packaging for use in a variety of military and commercial applications. During the project timeline in-plane, out-of-plane and monolithic 3-axis accelerometers have been developed with their interface electronics. Analysis, simulation, fabrication, and testing techn...

Creating an autonomous flying vehicle the size of a honeybee presents a number of technical challenges because of its small scale. As vehicle wingspan diminishes, angular acceleration rates increase, necessitating sensing and control systems with high bandwidth. Hovering demonstrations have so far required feedback from highspeed motion capture cameras to estimate the angular velocity, attitude...

A theoretical model of the thermal phase noise in a square-wave modulated solid core photonic crystal fiber-optic gyroscope has been established, and then verified by measurements. The results demonstrate a good agreement between theory and experiment. The contribution of the thermal phase noise to the random walk coefficient of the gyroscope is derived. A fiber coil with 2.8 km length is used ...

We present GyroTouch, a multi-modal approach to the use of a digital gyroscope in a watch form-factor and a multi-touch desktop display with the aim to find properties that can yield better navigation in 3D virtual environments. GyroTouch was created to augment multitouch gestures with other devices. Our approach addressed 3D rotations and 3D Translation used in navigation of virtual environmen...

A possible deviation from the precession of the Gravity Probe-B gyroscope predicted by general relativity is obtained in the nonsymmetric gravity theory. The time delay of radio signals emitted by spacecraft at planetary distances from the Sun, in nonsymmetric gravity theory is the same as in general relativity. A correction to the precession of the gyroscope would provide an experimental signa...

Today, the task of developing microoptical gyroscopes is topical. Usually, tunable lasers with a built-in frequency stabilization system are used in such gyroscopes. They comparatively bulky, which hinders real miniaturization optical We propose new approach implemented by using Mach–Zehnder modulator passive ring resonator connected to one its arms. This makes it possible obtain mutual configu...

The highly efficient coupling of light from conventional optical components to mode volumes lies in the heart chip-based micro-devices, which is determined by mode-matching between propagation constants fiber taper and whispering-gallery-mode (WGM) resonator. Optical gyroscopes, typically realized as fiber-optic gyroscopes ring-laser have been mainstay diverse applications such positioning iner...

In this contribution, a systematic method for the design of openand closedloop controllers for vibratory MEMS gyroscopes based on so-called envelope models will be presented. The methodology will be exemplarily carried out for a gyroscope with electrostatic actuation and read-out elements. The specifically designed capacitive actuators of the gyroscope are capable of compensating the system’s i...