Speed Measurement Using Gyroscopic Effects TRIZ Cases

A vibrating sensor alignment method selects a vibration position to minimize drift error variations.

Armor body reference planes position sensor module detection axes for precise alignment.

Automated detection system for intelligent door lock installation using sensor data comparison.

A resonant angular velocity sensor detects temperature sensor faults via a single signal line.

A cross-hatch resonator structure with four interconnected beams drives flexural modes to detect angular rotation via Coriolis acceleration.

Elastic coupling elements join sensing masses to enhance noise rejection in microelectromechanical gyroscopes.

Digital sample clock generator shifts frequency to eliminate in-band beating noise and improve angular rotation rate accuracy.

Positioning spring turned-back parts near the detection electrode center maintains capacitance sensitivity while reducing angular velocity sensor size.

Tangentially oscillating masses detect rotational movements via Coriolis forces, decoupling radial sensing from actuation to eliminate cross-axis interference.

A portable device compass recalibrates automatically when magnetic field magnitude shifts exceed position and movement changes.

Separating the drive mass from the rotating proof mass isolates non-ideal electrostatic forces, improving angular velocity measurement accuracy.

A rigid coupling bar connects seismic masses in a yaw rate sensor to constrain parasitic oscillations and stabilize the detection mechanism.

Gyroscope and accelerometer sensors compute angular errors in arbitrary orientations, eliminating manual calculation needs.

A minus-90-degree phase-shift twin-tee notch filter shapes the motor drive loop circuit for MEMS gyroscopes.

A frequency modulated discriminator circuit adjusts a carrier signal generator to track phase references in a silicon resonator rate sensor.

A piezoelectric resonant structure uses drive and sense electrodes to excite and detect rotation via the piezoelectric effect.

A MEMS rate sensor uses a vacuum cavity to reduce damping in driving masses for high oscillation amplitude.

Matching resonance frequencies via a damped feedback loop amplifies Coriolis signal levels while reducing sensitivity to external vibrations.

A MEMS gyroscope uses flexible connecting elements to couple external forces from driving shafts to outer frames for tri-axis sensing.

Segmented lithium niobate waveguides mitigate ionic migration in vacuum by isolating electric field exposure, preserving phase modulation accuracy.

Oscillating voltages on MEMS gyroscope sense electrodes out-of-phase average bias errors from glass charging and electrode asymmetry.

Continuous time modulation shifts gyroscope bias error to a higher frequency for removal by low pass filtering.

Capacitively coupled electrode arrays maintain null position stability through force-rebalance signals, improving angular rate measurement precision.

A reduced-height alignment electrode applies electrostatic force to align resonance modes in a planar MEMS gyroscope.

Asymmetric elastic coupling minimizes quadrature error impact from process variability, eliminating the need for additional compensation electrodes.

Z-axis actuator vibrates resonator to reduce quadrature errors and improve angle detection accuracy.

Band elimination filtering removes detuning frequency components without narrowing the signal band or introducing significant delay.

Unilateral groove formation on asymmetric section drive arms reduces vibration leakage while maintaining impact resistance and low impedance.

Etching compensation grooves on the seismic mass mechanically aligns drive and sense modes, resolving quadrature errors from manufacturing imperfections.

A MEMS gyroscope circuit cancels DC offset components to correct phase errors in sense signals.

Segmented estimators resolve measurement precision versus complexity trade offs by adapting bin widths via histogram feedback.

A retractable hanging device integrates a measuring tape with sliding marking points and a built-in level for precise wall installations.

Coupling springs link four inertial bodies on a ring-shaped elastic structure to decouple vibration modes and reduce bias drift errors during navigation.

A stepped sinusoidal waveform drives MEMS gyroscopes at resonant frequency using discrete time steps.

Annular resonator support structures use variable thickness to isolate vibration modes and reduce stress concentrations.

Preformed adhesive patterns bond fiber optic gyroscope sensing coils to cylindrical hubs, eliminating custom machining stress and thermal distortion.

A Coriolis vibratory gyroscope control system modulates damping axes to generate feedback signals that equalize resonator mode rates.

Rotating the excitation axis allows continuous calibration without interrupting rotation rate measurement, resolving bias errors.

Symmetrical Coriolis elements coupled via torsion springs reduce sensitivity to manufacturing trench angle scattering and mechanical stresses.

A mechanical coupling device imposes symmetrical movements on gyrometer elements using articulated levers and a constrained translation element.

A gyroscope bias estimation method calculates moving averages and standard deviations from rotation rate data to update bias estimates.

Anti-phase drive masses and a coupling link reject linear and rotational vibrations that cause cross-coupling errors in angular velocity measurements.

Segmented drive paddles amplify vertical motion to increase drive amplitude while maintaining quality factor in MEMS gyroscopes.

A gyro sensor system adjusts resonance frequencies via electrostatic attraction to acquire rotation angles directly.

A MEMS gyroscope self-test scheme excites the sensing mass through quadrature error compensation electrodes to detect operational faults.

A sensor array controller characterizes individual sensor states to evaluate degradation without redundant hardware.

A setup assistance system detects sensor unit orientation relative to external references using multi-dimensional positional feedback.

Replacing silicon with silica reduces thermoelastic damping by thirty-six times, increasing the quality factor and lowering bias errors.

An optical directional coupler detects proof mass displacement via evanescent coupling, eliminating electrical crosstalk and noise pickup in harsh environments.