Electric Motor Control TRIZ Cases

A super-twisting disturbance observer estimates system uncertainties to constrain motor current within safe operating limits.

Controller generates virtual Hall sensor signals from two physical sensors to maintain BLDC motor commutation after a single sensor failure.

Segmenting operational phases and fixing faulty bridge elements allows continued vehicle mobility despite inverter component degradation.

A diagnostic system estimates inverter junction temperatures from voltage and current data to calculate component health indicators.

A stepping motor control unit applies drive pulses based on induced voltage feedback to enhance hand movement speed.

A cooling fan control system integrates sensor units with an engine control unit to adjust motor rotation speed based on coolant temperature and pressure.

A sensorless inverter infers rotor phase and angular velocity using induced voltage and inductance.

A thermal circuit model estimates motor temperatures using real-time sensor data and calculated heat losses.

A switchable auxiliary capacitor circuit discharges stored energy to clamp voltage transients on the DC bus.

A motor control system adjusts the field torque ratio to optimize current distribution between armature and field coils.

A thermal model predicts starter temperature evolution to prevent overheating during automatic stop and restart cycles.

A PSM machine monitoring method calculates voltage indicators using two independent approaches to detect sensor errors.

A control device generates symmetrical PWM pulses via a negative phase creation unit.

A control unit modifies estimation parameters based on physical quantity comparisons to track rotating electric machine temperatures.

A dual-three-phase machine configuration minimizes common-mode voltage through coordinated inverter control.

A vehicle door motor system uses a current counter to stop operations when thresholds are exceeded.

Segmented track coils connect to spaced switching modules, distributing elevated current loads and resolving localized heating in linear drive systems.

Counter electromotive voltage integration compensates for weak ripple components during inertia rotation, ensuring accurate measurement.

Brushless DC motor steering system uses merged microcontrollers on a single PCB for independent winding control.

Position-command-pulse generation unit advances initial phase of output signals using preset memory data.

A control method identifies magnetic saturation parameters by injecting static and high-frequency voltage signals into the motor windings.

A capacitive touch sensing module in the hem bar replaces mechanical pull sensors, eliminating force requirements and preventing shade misalignment.

Auxiliary pump maintains stroke pressure in transmission friction control elements to prevent driveline excitation and energy waste.

Analyze zero crossings of air-gap coil signals to detect winding short-circuits, filtering noise with minimum duration thresholds.

A synchronous motor system estimates permanent magnet temperature using harmonic impedance calculations derived from superimposed voltage signals.

Thermal compensation logic adjusts the reference signal when temperature exceeds a threshold, preventing continuous switching and component damage.

A control system adjusts the phase angle of variable frequency power signals to electric motor assemblies using sensor feedback for operational status detection.

A power generator controller calculates allowable current from output frequency and voltage to set breaker tripping points.

A motor control device uses a virtual motor unit to simulate current values for early abnormality detection.

A motor control system detects failures by monitoring reactor current and adjusting duty factors during initial charging.

Low voltage stimuli isolate the power chain from nominal supply to detect faults, enabling pilots to reroute for safer landings.

A multi-axis oscillating flight simulator moves a support structure along a slide and rotates a table to simulate complex flight paths.

A brake device motor control unit switches between boost voltage and reference voltage drive processes to manage electric motor power delivery.

A brake drive control circuit uses series semiconductor switching devices to enable continuous operation monitoring.

Metal wire mesh damping element generates friction to stabilize rotor shaft oscillation, enabling supercritical operation without complex bearing structures.

Microcomputers synchronize initial component checks to enable stable motor drive startup across redundant circuits.

An overheating detection device estimates thermal equilibrium between a motor coil and its weakest part to manage temperature without stopping operation.

A counter circuit measures object movement using quadrature encoder pulses and clock pulse counts to calculate speed.

Independent temperature monitoring prevents slave shaft overheating in synchronous drive systems by restricting motor output when thresholds are exceeded.

A motor parameter estimation device captures operation signals to calculate accurate parameters using iterative simulation.

A brushless DC motor controller detects rotor position using induced voltage signals from phase windings during operation.

Independent dual detection circuits compare rotation values to determine abnormality, ensuring accurate steer angle calculation when sensors fail.

Merging front and rear door controls into one unit reduces cable count and production costs while maintaining independent operation.

A motor driver selects between reference and modulated waveform patterns to optimize signal output.

A power supply controller monitors circuit board temperature to execute energization prohibition control for an electric oil pump driver.

Integrated control circuit aligns motor current phase with induced voltage to reduce energy loss while managing device complexity.

A control unit generates safety-approved signals to initiate distinct shutdown procedures in electrical drive power modules.