Linear/Angular Speed Measurement TRIZ Cases

Dual magnetic rings and Hall elements share one PCB to detect high- and low-speed actuator rotation in less space with higher integration.

A rotor-mounted magnetic composite and flux sensor improve motor speed and position detection while avoiding extra sensor space and controller burden.

A soft-magnetic filling member bridges assembly gaps so the Barkhausen magnetic body receives the field properly without precision fitting.

A motor-mounted control circuit correlates sensor state changes with interpolated encoder position to improve high-speed synchronization accuracy.

Adaptive filtering separates steady and non-steady wheel rotation to suppress sensor noise and improve vehicle speed measurement accuracy.

By comparing successive motor speed signals, this case separates battery voltage dips from gear faults to avoid unnecessary printer shutdowns.

A three-range estimator blends Kalman-filtered low-speed values with wheel sensor data to keep vehicle speed and acceleration continuous.

Wheel speed sensor messages are split across packets and encoded with shorter bits to preserve high-resolution data and speed fault response.

A soft-magnetic gap filler helps apply magnetic flux uniformly to a Barkhausen magnetic body, improving power generation and easing assembly.

Magnetic sensing tracks ionizer RPM to flag unhealthy operation early, helping maintain static charge neutralization in manufacturing.

A ferrite member beside the coil stabilizes Barkhausen-based power output under changing magnetic fields, improving encoder rotation detection.

Metal teeth overmolded in a plastics body cut target tolerances, reduce metal waste, and fit different motor vehicle shafts more reliably.

Axial placement of optical and magnetic sensing components shrinks encoder size while preserving accurate position, speed, and acceleration feedback.

By splitting optical position sensing and magnetic motion detection across the disk axis, this encoder cuts size without sacrificing precision.

Angle-periodic wheel sensor errors from eccentricity are filtered with adaptive least-squares compensation for more accurate ABS and ESP speed signals.

Sensor fusion of gyroscope, acceleration, and single-pulse wheel signals improves low-speed motion estimation for two-wheeler drive and ABS control.

Empty inner and outer chambers thermally isolate Hall sensor electronics, preserving speed measurement accuracy near hot brake components.

Automated surface-mounted inductors on a PCB stator avoid winding stress from hand-soldering while improving resolver signal reliability.

Fusing yaw rate, acceleration, and single-pulse wheel speed data improves low-speed steering angle estimation for ABS and drive control.

Limits IMU bias growth during small posture changes by correcting angular velocity estimates with a gravitational acceleration reference.

Kalman-based correction of tire radius and acceleration offset improves vehicle speed estimation when slip, slope, and sensor errors distort ADAS inputs.

An elastic coupling member locks a sensing magnet into a shaft groove, avoiding adhesive errors, chip generation, flux leakage, and slipping.

Positioning parts and a protective mount hide the wheel speed sensor inside the support member while improving assembly accuracy and appearance.

A circumferential air nozzle drives axial airflow across a cylindrical sensor window to clear stagnation zones and keep debris off at varying speeds.

Measured Hall-sensor sector timing corrects rotor position and speed errors, reducing torque ripple and noise without encoder cost.

Combining variable reluctance and magnetic encoding enables accurate wheel speed, position, and direction sensing down to zero for aircraft braking.

A side-face toothed target on the differential ring gear enables accurate speed sensing in hybrid gearboxes without disrupting lubrication or parking wheel layout.

Automatically switching between half- and full-cycle encoder pulse measurement preserves speed accuracy and time resolution in inverter-driven motors.

Conveyor speed compensation improves vehicle position estimation on moving conveyors, enabling more accurate autonomous travel control.

Speed-gradient and threshold comparison detect rotor reversals automatically, avoiding manual direction input in magnetic bearing control.

Edge slope comparison identifies reverse wiring and selects the correct zero-crossing edge for accurate aircraft speed and timing signals.

A hardware filter uses comparator, clock, and hold-time logic to reject sensor noise without missing genuine low-speed transitions.

A single sensor uses k-cycle magnetic pulses and stored count values to detect multiturn absolute angle accurately without complex correction.

A single power generation sensor uses pulse polarity and memory-based counting to correct missed pulses in precise multiturn angle detection.

A radially magnetized front-bias magnet and toothed-wheel shielding enable true-power-on speed sensing with lower stray-field sensitivity and cost.

Segmented light-receiving regions let this optical encoder detect rotary plate eccentricity precisely while keeping the structure compact.

A dual-processor encoder uses an auxiliary-powered recording path to preserve rotation, position, and acceleration data during outages.

Alternating magnetic poles crossing a magnetic wire sharpen flux changes, reducing pulse phase error, magnet cost, and sensor size.

A decaying alternating current demagnetizes the Wiegand wire after mounting, restoring strong pulses for reliable rotary angle detection.

An inclined multi-pole ring magnet and flux guides create a uniform field on a Barkhausen wire, enabling compact rotation sensing with higher output.

A single power generation sensor plus magnetic polarity data corrects missed pulses during reversals for compact, precise multiturn angle sensing.

Magnetic sensing adapts output resolution to rotation frequency, balancing bandwidth use with accurate speed and direction data.

A stationary magnetic field and moveable conductive ring avoid polarization errors, enabling precise real-time shaft angle sensing.

Magnetic flux conducting pieces redirect and shield flux so a compact pulse generator can keep uniform wire excitation and high-resolution output.

Compensation parameters correct Wiegand-wire magnetic interference, improving shaft angle and revolution sensing accuracy.

Pure rolling calibration in a ball-on-disc friction rig removes offset drift and track-radius error for more accurate traction force measurement.

Orthogonal sensing clusters with different spacing let one magnetic sensor handle varied pole pair sizes while rejecting stray fields.

Phase lead filtering compensates signal-conditioning lag in sine and cosine outputs, improving speed and position measurement accuracy.

Segment-wise pulse averaging extracts eccentricity and imbalance modulation for faster wheel rotational frequency correction with less phase delay.

Two transverse magnetic sensor arrays sum sine and cosine signals to reduce runout, pole variation, and noise errors in shaft position sensing.

Multiple sensor inputs, IMU history, and data compensation keep vehicle odometry accurate despite drift, missing pulses, latency, and precision loss.

A curve guidance apparatus calculates centrifugal force from vehicle speed and predicted position to assess risk levels dynamically.