Speed Measurement Using Gyroscopic Effects TRIZ Cases

Electrostatic drive frame torque compensates for quadrature errors caused by manufacturing asymmetry in MEMS gyroscopes.

An N=3 vibration pattern decouples vibratory energy in a hemispherical resonator gyroscope, mitigating cross-talk noise and bias instability.

Ultrasonic machining adjusts wine-glass mode frequencies on miniature electromechanical resonators to reduce bias drift and noise.

Optical heterodyning generates beat signals that discriminate rotation-sensing errors from modulator imperfections in fiber-optic gyros.

Internal and external capacitor plates on a MEMS gyroscope ring apply electrostatic forces to compensate for thermal expansion variations in gap distances.

Machine learning estimates zero-rate level compensation parameters using stationary detection and temperature signals.

End-supported cantilever sensing masses increase angular velocity sensitivity while maintaining natural frequency and electrical uniformity.

Centrally positioned coupling structures suppress in-phase motion from external acceleration, improving measurement precision and reliability.

Rocker connecting pieces link mass blocks to enable differential detection, resisting external noise and improving signal-to-noise ratio.

A drive circuit generates both the vibrating reed signal and the arithmetic clock, eliminating separate oscillators.

Asymmetric primary and secondary pickoff electrode placement cancels mutual induction crosstalk, improving angular velocity detection accuracy.

A detector with catch and release mechanism uses synchronized vibrators to process signals via moving average filtering.

Linear couplers synchronize proof masses in anti-phase motion to reject acceleration sensitivity and improve measurement precision.

A MEMS gyroscope algorithm extracts in-phase and quadrature components to estimate transfer function variations.

Alternating vibration positions across multiple gyroscopes corrects position-dependent measurement errors while maintaining continuous angle data.

Segmenting the resonator into discrete mass and spring elements decouples external mounting stresses, reducing bias errors and damping effects.

A micromechanical gyroscope uses a flexible coupling structure to enable anti-phase vibrations of proof masses.

A dual-mode vibratory resonator gyroscope generates concurrent vibration patterns for simultaneous rotation measurement and self-calibration.

Inclined sensing masses enhance detection sensitivity and electrical characteristics in microelectromechanical gyroscopes.

A MEMS forcing stage synchronizes energy with the movable mass oscillation frequency.

Segmented proof mass with lever arm mechanism reduces displacement risk while maintaining high signal-to-noise ratio for isotropic rotation detection.

A balanced 3-axis gyroscope architecture employs anti-phase proof mass motion to minimize induced vibrations and part-to-part coupling.

Flexible anchors and rigid masses absorb substrate displacement to maintain active component position, reducing measurement errors in MEMS sensors.

Estimates gyroscope bias through linear fitting of angular representations during dynamic motion, resolving stationary data constraints.

A geometric containment method estimates device location relative to boundaries using simplified circular probability models.

A tuned dynamic absorber minimizes quadrature oscillations, lowering electrical noise and power consumption in the ASIC compensation chain.

Vertical trim electrodes apply corrective forces without obstructing in-plane motion, reducing crosstalk and maintaining constant gap stability.

Counter-phase oscillating seismic masses isolate Coriolis forces from external vibrations, eliminating false signals and reducing device complexity.

A vibrating gyrometer calibrates its scale factor by calculating a reference gain ratio between drive gains in modal quadrature.

Optomechanical disks use evanescent coupling to reduce drift rates, achieving navigation-grade sensitivity at lower cost.

Grounded metal shielding between shuttle and stator fingers reduces parasitic capacitive coupling, improving Coriolis force measurement precision.

Positioning a through hole under an IC chip with a spacer prevents adhesive flow while maintaining mechanical strength and reducing package size.

Skew transducers produce induced quadrature signals that a comparator detects when electrical connection faults disrupt normal signal rejection.

A gyroscope control circuit uses open-loop resonator and closed-loop Coriolis paths to maintain sensitivity.

Electronic bias compensation method for vibratory gyroscopes uses motion models to estimate and subtract measurement errors.

A phase-locked loop circuit with a timing switching unit generates start-up mode signals to stabilize sensor output.

A micro-mechanical gyroscope uses segmented trimming electrodes to apply independent electric voltages for quadrature suppression and resonance frequency setting.

A vibration device board uses intersecting beam portions to mechanically couple a base fixing portion and a vibration element mounting portion.

A gyro sensor offset calculation device determines rotation state using moving average values across multiple time periods.

A composite ring resonator with concentric subrings and compliant supports enhances oscillatory modes in inertial sensors.

A rotation rate sensor uses a compensation element to exert a force with nonlinear dependence on deflection.

Time-multiplexing a single front-end amplifier across multiple sensors reduces form factor and power consumption while moving calibration to the digital domain.

Capacitive and motion sensors deduce fluid type to resolve measurement precision versus device complexity trade-offs.

Segmented movable masses decouple drive and sense movements, reducing vibration sensitivity while maintaining compact device dimensions.

Orienting high-accuracy gyroscopes to azimuth-sensitive axes improves true north heading precision.

Smoothing circuits eliminate waveform errors and offsets caused by amplification lag, enhancing detection accuracy in vibratory inertial force sensors.

A micromechanical rotational rate sensor system uses a single drive mechanism to actuate multiple rotor devices for three-axis measurement.

Asymmetric detection mass converts harmful energy losses into useful signals, improving angular speed measurement precision.

A functional element uses a mass body displaced in an intersecting direction to increase vibration amplitude.

Segmented galvanically isolated regions in the active structure prevent charge drift and deflection-dependent force interference during sensor operation.