Force Measurement By Measuring Frquency Variations TRIZ Cases
- Resistive Pressure Sensor Structure for Uniform Load Measurement
Protective plates spread point loads into uniform pressure on a resistive cell, enabling low-cost, replaceable sensing for support surfaces.
- MTJ Shock and Vibration Sensing with EMI-Resistant Spintronics
Resistance changes in an MTJ with an elastic layer enable compact shock and vibration sensing while avoiding EMI limits of coil-based sensors.
- Magnetic Vibration Control Component for 3-Axis Load Sensing
Magnetic field sensing replaces bulky measuring structures to capture 3-axis static and dynamic loads in compact rail vibration components.
- Strain-Sensing U-Bolt Assembly for Uniform Fastening
Embedded strain gauges in both U-bolt shafts help equalize fastening strain, prevent horizontal shift, and simplify inspection and repair.
- Crystal-Oriented MEMS Resonator for High-Q Strain Sensing
Single-crystal orientation tuning boosts resonator Q-factor, signal output, and frequency selectivity for more sensitive strain sensing.
- Quartz Resonator Load Sensor Structure to Prevent Buckling
Holding layers restrain a thin quartz resonator to prevent buckling, widening load measurement range without losing resolution.
- Soft-Clamped Mechanical Resonator With Phononic Bandgap Support
Soft clamping with a phononic bandgap cuts bending loss and intrinsic dissipation, enabling much higher-Q mechanical resonators.
- Hermetic Resonator Packaging Without Fiber Feedthrough Leakage
Electromagnetic excitation through a transparent cap avoids fiber feedthrough leaks, preserving vacuum integrity in harsh-environment resonators.
- Torsional Resonator Temperature Sensing for Vibrating Beam Accuracy
A torsional resonator tracks beam temperature and rapid thermal shifts, enabling compensation that preserves vibrating-beam sensor accuracy.
- MEMS Resonator Pressure Sensing With Gap-Modulated Electrodes
Pressure is measured by electrode deflection that changes the resonator gap, preserving high Q factor and avoiding thin-diaphragm limits.
- Elevator Rope Tension Measurement via Adaptive Frequency Calculation
Frequency calculation is selected from waveform collection time and cycle to cut elevator rope tension measurement error.
- Toothbrush Pressure Sensing With Vibration Feedback Control
Vibration sensing and motor feedback keep toothbrush pressure in an optimal range, reducing enamel erosion and gum recession.
- Tactile Actuator Force Estimation Using Piezoelectric Vibration Sensing
A piezoelectric film tracks vibration-cycle changes to estimate force on a vibrated member more accurately and faster than capacitive sensing.
- Nonlinear Sensor State Detection by Multi-Amplitude Impedance Sensing
Impedance shifts under different drive amplitudes reveal passive sensor state through conductive supports without batteries or channel characterization.
- Magnetostrictive Load Sensor for Virus and Bacteria Mass Detection
Resonant vibration and induced EMF sensing let this load sensor detect tiny virus or bacteria mass changes, even underwater or in vacuum.
- Resonant Magnetic Pressure Sensor for Miniaturized Remote Readout
Two permanent magnets turn pressure-driven spacing changes into a resonant magnetic signal, enabling tiny catheter-ready remote sensing.