Electrical/Magnetic Thickness Measurements TRIZ Cases
- Spot Weld Nugget Diameter Estimation Using Resistance and Expansion
By combining expansion, contraction, and resistance signals, this case improves spot weld nugget diameter estimation when interface reach matters.
- Digital Wear Sensor Circuit for Fast Low-Power Abrasion Measurement
A chain of digital elements disconnects as abrasion progresses, enabling faster wear measurement with lower power and simpler circuitry.
- ICA Deconvolution of Composite PEC Signals for Multi-Barrier Tubulars
ICA separates noisy composite PEC signals from concentric pipes to quantify each tubular wall thickness without tool-specific models.
- Tablet Capacitance Tomography for Inline Solid Fraction Measurement
Multiple capacitance sensors use electrical tomography to quantify tablet thickness and solid fraction inline without destructive testing.
- Metamaterial Sensor for Fast Contactless Coating Thickness Measurement
Electromagnetic metamaterial cells measure paint thickness without contact, using signal frequency changes for rapid processing.
- Electrical Resistance Measurement for Multi-Layer Metal Coating Thickness
Replacing XRF spectroscopy, this system measures voltage drop across multiple metal layers to resolve individual thicknesses exceeding 15 microns.
- Eddy Current Turbine Blade Wall Thickness Measurement
A U-shaped eddy current detector measures turbine blade wall thickness using a neural network to process impedance signals.
- Metal Film Thickness Determination Using Sheet Resistance and TCR
A measurement system determines metal film thickness using sheet resistance and temperature coefficient of resistivity values.
- Parallel Wear Gauge for Mill Liner Monitoring
Segmented parallel resistors detect liner wear through resistance changes, improving measurement resolution to prevent shell damage.