Acceleration Measurement Using Interia Forces TRIZ Cases

Dynamic IMU sampling rate transitions lower power consumption by switching between low-power and active states based on detected motion.

A z-axis MEMS accelerometer uses tilting masses and elastic anchorage to increase rotation angle variation.

A resonant force sensor uses a mechanical transmission to apply strain from a test body to a nanometric gauge while maintaining sealed insulation.

A MEMS sensor combines acceleration and pressure detection on a single chip using shared piezoresistive structures.

Dual-axis accelerometers isolate gravity from angular velocity to eliminate drift errors in bicycle cadence measurement.

An integrated waveguide optical pickoff detects in-plane motion of a moving sensor component through evanescent coupling.

Segmented stoppers engage sequentially via compliant springs, dissipating impact energy and preventing stiction failures in MEMS sensors.

Gyrocompassing algorithms extract heading from inertial sensors to eliminate magnetic interference while reducing system size and cost.

A wearable device uses a chest-mounted tri-axial acceleration sensor to capture movement data for calculating a user's muscular power.

Integrating static electricity and acceleration sensors into a single module resolves the contradiction between monitoring precision and device complexity.

Head-opposite MEMS sensors on stacked PCBs determine 3-axis acceleration, reducing cost and size while compensating for pressure effects in acoustic antennas.

Merging separate inertial masses into one shared element reduces device dimensions while maintaining detection precision across x, y, and z axes.

A sensor manufacturing method covers metal electrodes with resin while leaving bonding wires exposed.

Machine learning classification model processes acceleration sensor data to detect vehicle collisions.

Digital arithmetic circuit adjusts detection signals using power supply voltage variables to maintain output stability.

Three acceleration sensors fixed on a virtual plane orthogonal to the rotating bearing ring measure translational acceleration.

A photonic crystal material detects blast pressure waves through permanent optical property changes.

Feedback mechanisms compensate for substrate deformations and manufacturing tolerances, eliminating quadrature signal corruption.

A quartz vibrating element decouples vibration modes through symmetry axis alignment and center of gravity positioning.

Two micromechanical inertial sensors share a substrate while utilizing distinct functional layer thicknesses to optimize mechanical oscillatory properties.

Planar proof mass uses alternating current pulse width modulation to oscillate in a cos 2θ mode without direct current bias.

Segmented mass bodies in this angular velocity sensor reduce mode interference from manufacturing errors, improving measurement accuracy.

Graphene electrodes in a SAW inertial sensor amplify Coriolis forces, enabling precise measurements in high-shock environments.

A MEMS acceleration sensor uses a differential circuit with electrically insulated movable electrodes to cancel common mode noise.

A piezoresistive sensing structure uses a field passivation layer as an etch mask to define narrow beams without level-to-level alignment.

Staggered bending elastic beams on a silicon-on-insulator substrate enable flexible sensitivity adjustment in capacitive acceleration sensors.

Automated optical measurement replaces manual alignment procedures, eliminating user error in initial orientation calibration.

Rotating the sensor module by ninety degrees enables multi-directional detection using identical terminals, reducing element variety and production complexity.

A multifunctional sensor combines infrared detection with environmental monitoring to track physical states.

Feedback control circuits adjust MEMS stiffness and damping to reduce performance variations caused by fabrication mismatches.

A resistive element uses lateral and vertical current paths to generate a specific piezo-resistive coefficient.

A quartz pendulous accelerometer uses a pulse generating apparatus to convert meter output signals into quantized current pulses for force balancing.

Dual accelerometers on a test wafer measure rotational acceleration to prevent substrate misalignment during robot transport.

Orienting dual triaxial accelerometer normal axes orthogonally excludes vulnerable components, resolving mechanical shock failure risks.

A MEMS inertial sensor uses four electrode pairs to apply rebalancing forces on two proof masses for independent linear acceleration and rotation detection.

A MEMS sensor uses thermal elements to create controlled temperature gradients for precise deflection measurement and compensation.

Selective laser etching creates sub-250-micrometer electrode gaps, overcoming line-of-sight constraints and improving Q factor.

A system calculates internal loads using acceleration measurements, skew matrices, and mass inertia data.

Segmented support structure with overhang portions absorbs thermal expansion mismatch stress, maintaining bonding strength and temperature stability.

Segmented bonding members with varying melting points and Young's moduli prevent remelting and enhance mechanical strength for reliable sensor modules.

Added masses on mechanical beams linearize the frequency-acceleration relationship, eliminating nonlinear measurement errors in vibrating beam accelerometers.

Inertial sensor units monitor power line conditions to predict sagging and overloading, reducing outage risks.

An asymmetric optical resonator uses an optical fiber and reflective element to detect acceleration via resonance lineshape changes.

A rotation-rate sensor uses electrostatic compensation to neutralize quadrature signals from structural asymmetries.

A control unit adjusts inclination sensor reference values using a suspended case as a vertical gravity reference.

A micromechanical acceleration sensor uses two seismic masses to detect three-axis deflections.

Etching residues form ridge portions that control gaps between movable and support sections, resolving anisotropy issues to enhance impact resistance.

Segmented electrodes create a reference capacitor to cancel noise, improving altitude detection accuracy in mobile navigation systems.

A capacitive sensor uses a stepped stationary electrode to touch the movable electrode at multiple points.

Electrostatic pull-in forces shrink electrode gaps to increase squeeze damping, enabling low resonance frequencies without sacrificing bias stability.