Devices Using Electric/Magnetic Means TRIZ Cases

Observer-based fusion of wheel speed and acceleration data corrects slip, drift, and GNSS gaps for continuous rail carriage speed estimation.

Placing multiple detectors near the rotor center line captures larger magnetic flux changes for more accurate and reliable wheel speed sensing.

Continuous oscillation-index calculation from downhole rotational speed data helps detect stick-slip early and guide real-time drilling adjustments.

Coating segments on a rotating component enable contactless speed detection without separate toothed structures, cutting weight and assembly space.

A shaped magnetic-panel opening concentrates flux so a rotary speed sensor keeps detection accuracy with a larger air gap and easier attachment.

Subsurface Doppler sensing with narrow-beam FMCW radar gives heavy-duty vehicles stable speed-over-ground estimates despite water, snow, and clutter.

Plots motor speed and output against winding-specific load zones to track multi-motor states accurately and help prevent overheating.

Electrostatic frequency balancing with separated capacitive regions cuts quadrature bias and improves MEMS gyroscope stability.

Combining ML-based signal strength profiles with phase unfolding improves RFID object speed measurement despite noisy environments.

A trigger coil pulse synchronizes multiple Wiegand wires, enabling reliable self-powered magnetic movement sensing without complex control electronics.

Separate Wiegand modules store energy for complex components while preserving sharp pulses for reliable movement-parameter detection.

An angled FMCW radar lobe detects Doppler shifts from below-road targets to improve heavy-duty vehicle speed accuracy.

A loop-powered shaft speed sensor converts magnetic pulses into a 4-20 mA current signal for rotational monitoring.

A rotation sensor uses dual-phase detection signals processed by independent comparison units to generate accurate pulse outputs.

Clamping and inverting circuits process stator voltage signals to enable immediate notification of coil abnormalities, preventing heat dissipation degradation.

Dynamic relay and frequency filter remove noise from variable voltage signals, enabling accurate low-speed measurement without extra sensors.

A mouse wheel control unit uses magnetic force modules to switch rotation modes without mechanical contact.

Capacitor-based demodulator eliminates transconductor noise and temperature sensitivity, improving measurement precision in eddy current sensors.

A phase difference detection device uses a velocity-based pulse conversion unit to generate adaptive clock signals for precise counting.

A magnetic field sensor applies speed-dependent delay to detector output signals for consistent motion detection.

Angled and mirror-inverted sensor coils enhance sensitivity for detecting thin turbocharger blades while managing device complexity.

A commutation sensor generates a raw speed signal that processing averages samples spaced half a period apart to remove periodic disturbance waviness.

A smartphone metal detector uses audio output and microphone input to energize transmitter coils and measure receiver signals for detection.

Integrating a data memory unit with a wireless interface enables unique self-identification, improving trackability without increasing power consumption.

Segmented signal inducing device creates smooth magnetic interaction surface to minimize viscous forces in rotating assemblies.

Segmented period sampling and dynamic threshold validation reduce spurious noise impact on aircraft engine shaft speed measurements without phase shift.