Using Electrical Means TRIZ Cases
- Bushing Rotation Sensing for Universal Suspension Height Measurement
Relative rotation between bushing rings is used to measure suspension height across vehicle types without complex adaptation or added assembly.
- Coaxial Clearance Sensor Assembly for Stable Tip Gap Measurement
Locked coaxial electrodes and insulating layers suppress thermal and vibration shift, preserving long-term tip clearance accuracy.
- Magnetic Encoder Self-Calibration for Low-Cost Angle Detection
Low-pass filtering and averaging let a magnetic encoder build its own trimming table, improving angle linearity without optical encoders.
- Eddy Current Angle Sensor Coil Layout for Harmonic Compensation
Offset sine and cosine receive coils suppress third, fifth, and seventh harmonics to improve angular sensing accuracy without extra PCB space.
- Oval Free-Layer Magnetoresistive Angle Sensor for Low-Field Accuracy
An oval free layer offsets magnetocrystalline anisotropy, enabling accurate angle sensing at lower magnetic fields and lower magnet cost.
- Inductive Angle Sensor Self-Correction for Rotor Run-Out Errors
Fine and coarse inductive signals are compared and corrected with lookup-table calibration to reduce tilt and eccentricity angle errors.
- Capacitive Rotary Angle Sensing With Adaptive Carrier Frequency
Adaptive carrier frequency avoids PWM interference in capacitive shaft angle sensing, improving measurement accuracy and reliability.
- Rotation Angle Sensor Initialization After Wiegand Count Drift
Corrects undefined partial rotation counts caused by transport pulses by resetting the rotor to a known subsegment during installation.
- Wafer Profile Modeling for Circumferential Waviness and Warpage
A multi-function wafer profile model captures circumferential waviness and warpage, enabling more accurate flatness evaluation and process adjustment.
- Multi-Sensor Nonius Angle Measurement for Compact Rotary Detection
Cascaded nonius processing from three angle sensors extends unique rotation range while reducing space and sensitivity to hysteresis errors.
- Spring-Loaded Girth Measurement Frame With Magnetic Angle Sensing
A spring-loaded frame and magnetic rotary encoder replace wear-prone potentiometers for accurate, low-maintenance girth measurement.
- Magnetic Angular Position Sensing for Mechanical Runout Detection
Amplitude and phase analysis from a magnetic angular position sensor detects mechanical runout during normal operation without extra equipment.
- Magnetic Angular Position Sensing for Mechanical Runout Detection
Amplitude and phase analysis of a magnetic angular position sensor enables in-field runout detection during normal operation without extra hardware.
- Magnetic Encoder Position Sensing for Can Decorator Registration
Magnetic encoder feedback replaces linear inductive sensing to improve can decorator registration and print pressure accuracy, reducing spoilage.
- Headset Adjustment Assembly for IPD and Eye Relief Alignment
A unified headset adjustment assembly combines IPD and eye relief tuning with linked sensing to reduce bulk and improve fit precision.
- Capacitive Fold Angle Detection Without Gyro or Hall Sensors
Absolute and transcapacitance sensing detects fold angle and open or closed state without temperature-sensitive gyro, IR, or Hall sensors.
- Belt-Driven Ball Screw Position Sensing for Steer-By-Wire
A belt and pulley sensor with embedded magnets preserves absolute ball screw position sensing in steer-by-wire racks without a pinion.
- Redundant Optical Encoder for Reliable High-Resolution Shaft Detection
Two optical detectors with different resolutions are compared to verify shaft rotation and improve precise, reliable motor feedback.
- Lid Angle Estimation Using Sleep-Mode Orientation Sensing
Low-power sensor units preserve orientation during sleep, allowing accurate 0-360° lid angle estimation in upright and non-steady states.