Speed Measurement Using Gyroscopic Effects TRIZ Cases

A gyro sensor adjusts output sensitivity by varying the bias voltage applied to the oscillation member.

Segmented detection capacitors resolve low sensitivity in out-of-plane swing gyroscopes by increasing measurement precision without expanding device area.

A MEMS multiaxial angular rate sensor uses a third driving ring to synchronize motions across independent axes.

Dual movement members oscillate perpendicularly to enable simultaneous angular velocity detection in two directions.

Attaching sense electrodes to the drive mass eliminates quadrature signal errors and prevents mechanical damage from electrostatic compensation voltages.

An asymmetric mass member reduces energy dissipation in MEMS sensors, improving Q-factor symmetry and excitation intensity.

A triaxial electronic compass determines direction by switching geomagnetic output selections based on elevation angle data from an inclination sensor.

A gyroscopic vehicle seat structure uses angular momentum to stabilize the passenger cabin against road disturbances.

Processor adjusts saturation correction learning rate to mitigate gyroscope inaccuracy during rapid rotation.

A phase-based gyroscope front-end circuit synchronizes comparator transitions with resonator motion to maintain constant phase.

Directional springs isolate motion axes in MEMS gyroscopes, reducing temperature-dependent errors from thermal expansion.

Laser processing forms a curved connection surface on the elastic portion to minimize unwanted quadrature signals in gyro sensors.

Arithmetic circuitry estimates roll angle using Kalman filtering and previous estimation data to enhance measurement precision.

Quadrature adjusting electrodes nullify phase shift errors, reducing gyroscope offset and simplifying servo electronics.

Integrated quadrature error cancellation circuit reduces silicon area and power consumption by merging signal processing operations into a single block.

Gyroscope controller generates quadrature signals to mitigate quadrature effects, reducing angular rate measurement errors from elastic axis mismatches.

A compensated demodulator generates phase-locked signals using temperature-dependent samples to maintain signal coherence in MEMS gyroscopes.

Processing unit and subtractor eliminate parasitic vibration modes from phase-demodulated signals, improving angle rotation determination accuracy.

A passive filter circuit suppresses detuning frequency components in physical quantity detection devices.

Automated electrical measurement of resonant frequencies determines the quality factor to screen sub-par devices with poor vacuum seals.

A comprehensive sensor fusion algorithm merges gyro and FQA outputs via a complementary filter to generate motion control signals.

Open-loop reading device detects mass displacements via square-wave signals, eliminating demodulators and reducing power consumption.

Orienting a three-dimensional gyroscope at a skew angle allows an inertial measurement unit to measure high rotation rates beyond standard operational limits.

Indirect temperature estimation from barometric pressure enables non-linear error filtering for MEMS gyroscopes without dedicated thermal sensors.

Segmented suspension springs with parallel bar sections suppress quadrature signals, reducing interference deflections from manufacturing inaccuracies.

Integrated CMOS-MEMS compass uses Lorentz force actuation to detect magnetic field displacement via capacitive sensing.

Real-time digital control compensates manufacturing and stress-induced quadrature errors in MEMS gyroscopes.

Linear connection portions extend along vibration node directions to suppress energy dissipation and maintain a high Q factor.

A micromechanical gyroscope arrangement merges single-axis and dual-axis rotors via a common drive mechanism to achieve three-axis rotation rate detection.

Tailored fiber lengths and depolarizer circuits reduce bias instability by modeling wavelength-dependent effects to improve measurement accuracy.

Asymmetric drive detection layout increases signal amplitude, resolving sensitivity limits from symmetrical geometry.

An undoped fiber monitors radiation-induced shifts while a coupler directs pump power twice, preserving bandwidth and conversion efficiency.

A gyro sensor substrate avoids resonance by setting its natural vibration frequency away from drive frequencies.

Inertial sensors capture Earth rotation projections to determine real axis orientation in rotary elements.

A resonator fiber optic gyroscope uses a single frequency comb light source to circulate counter-propagating beams through an optical resonator.

Broadened holding part connection disperses stress in piezoelectric angular velocity sensors, resolving size-strength trade-offs.

A vibrator device spaces drive and Z-axis vibration frequencies to ensure stable stationary-state output.

A MEMS gyroscope applies a sensitivity compensation multiplier to raw rate signals for angular rate measurement.

Anti-phase drive masses suppress in-phase motion to reject common mode excitations, enhancing sensor accuracy against vibration.

A single drive mode design couples orthogonal sense masses to a common drive axis, enabling triaxial angular velocity detection.

Branched beam structure transfers Coriolis force from mass to supporting portion, reducing leakage vibration and improving detection accuracy.

A MEMS gyroscope sensor uses a switch circuit to decouple sensing capacitors for internal capacitance measurement.

Compliant anchor springs suspend the movable mass while absorbing torsional stress applied to anchoring points.

Segmented drive and detection beams with localized piezoelectric films suppress leak vibration caused by dimensional errors, enhancing measurement precision.

Cross-correlating noise signals with demodulated responses reveals spectral characteristics for frequency mismatch detection in MEMS gyroscopes.

Concentric annular movable portions coupled by connect segments enhance vibration coupling and signal strength in MEMS sensors.

A MEMS gyroscope sense frequency tracking method injects an input sine wave at the detected resonant frequency to maintain signal integrity.

An unthreaded screw section prevents thread contact with through holes, eliminating alignment shifts from temperature changes.

Planar seismic masses in this MEMS gyroscope drive anti-phase rotary oscillation, reducing sensitivity to packaging deformations and external shocks.

Segmented rocker structures reduce area requirements and prevent electrostatic snapping in yaw rate sensors.