Electric Motor Control TRIZ Cases

A motor driver decodes instruction messages from preset pulse wave frequencies to execute control commands without adjusting duty cycles.

A motor drive controller generates intermittent signals to rotate a pump actuator at ultralow average speeds outside standard specifications.

Segmented control limits motor current to prevent engine overheating at high altitude without requiring oversized fan hardware.

Piston and end dampers absorb shock energy in electric actuators, protecting the screw shaft from damage while eliminating expensive position detectors.

A rotating electrical machine control apparatus compares position information before and after a reset request to detect signal abnormalities.

Switching offset voltages varies PWM timings to reduce noise without storing multiple carrier waves, lowering memory capacity and implementation time.

A motor drive apparatus calculates leakage current by monitoring the DC bus voltage and AC input peak values.

A motor control unit adjusts current command values to maintain smooth steering assist during system failures.

An inverter design uses complementary switch leg control to cancel common-mode voltages and eliminate ground leakage currents.

A motor controller uses a stable reference voltage to maintain analog-to-digital conversion accuracy during power fluctuations.

Analyzing electric drive motor parameters detects coating errors without external sensors, resolving pneumatic inertia delays.

A load driving device maintains switch conduction via a second switch unit to ensure stable power delivery.

A shift range control device adjusts target rotation angles based on sensor status to ensure accurate motor positioning.

Adjusting PI gains by drive speed resolves the trade-off between high-speed responsiveness and low-speed precision in surface texture measuring apparatuses.

A motor rotational angle detection device uses a normal angle decision unit to compare outputs from multiple sensors and identify the correct rotational angle.

A motor drive device detects reverse current direction during synchronous rectifier periods to control drive signals.

A control apparatus estimates synchronous motor speed by integrating phase changes derived from induced voltage polarity discrimination.

Dynamic excitation current offsets shift limiting curves based on computed temperatures, preventing component damage while minimizing power loss.

A temperature compensated power supply adjusts the ADC reference voltage based on ambient heat to modulate the PWM duty cycle.

A modular hysteresis-controlled DC-DC boost converter maintains stable voltage levels for aerial vehicle propulsion systems.

An acoustic monitor analyzes machine noise patterns to detect suspicious operations without network connections.