Inductance Measurements TRIZ Cases

Measures flyback primary inductance from switch-on time and peak current to improve control accuracy without extra measurement hardware.

Computed clamp-switch timing from primary inductance, peak current, winding ratio, and output voltage avoids secondary-side sensing and cuts control cost.

Measures inductor inductance from discontinuous startup current waveforms to detect shorted turns early and protect the power converter.

An emulated current generator and comparator detect output inductance in a power converter without extra pins, enabling adaptive configuration.

An emulated current generator and comparator let a power converter detect output inductance and adapt without extra pins or hardware.

Peak current plus a ripple estimate yields average inductor current, enabling tighter boost converter regulation and lower battery stress.

Peak inductor current plus a ripple estimate yields average current control in boost converters, limiting source draw and stabilizing output voltage.

Peak current and ripple estimates are combined to identify true inductor inductance, improving voltage regulation and saturation detection.

Resonant frequency from the coil and buffer capacitor estimates air gap, enabling sensorless PWM force control for consistent haptic feedback.

Current injection through electric starter switching arms identifies motor resistance and inductance at standstill for better torque and thermal estimation.

Equivalent battery and fuse circuit models predict short-circuit current by battery voltage, improving protection design while reducing test cost and risk.

A shielded cable and electronics-side resonator capacitor suppress second resonance modes and RF pickup in remote inductive sensing.

Measured coil current and voltage reveal the real filter inductance profile, enabling adaptive inverter control with smaller nonlinear inductors.

Brake coil inductance is used to estimate air gap and friction lining wear, reducing manual checks while improving elevator brake safety.

Brake coil inductance is used to calculate air gap and track friction lining wear automatically, reducing manual checks and safety risk.

A remote processor estimates sensor and cable impedance to keep inductive proximity detection accurate in harsh environments without complex calibration.

Equivalent circuit fitting separates battery resistance from line inductance, enabling accurate internal resistance checks on production lines.

A PWM duty cycle tied to coil current and a dynamic trigger threshold compensates temperature-driven resistance changes in inductance measurement.

A switchable test path lets the secondary coil be checked without disassembly or added loops, avoiding signal distortion in conductive media.

Solenoid coil electrical-state sensing replaces two-state limit switches to detect railway door lock, unlock, and abnormal conditions.

A movable core and magnetic body let a passive stylus distinguish hover, contact, and pressure with fewer parts and less assembly variation.