Electric Motor Control TRIZ Cases

A motor control system dynamically limits power delivery to motors based on converter capabilities.

Synchronous sampling converts variable fault frequencies into constant values for accurate spectrum analysis.

Shift range control apparatus learns motor angle reference positions during normal operation to maintain accurate positioning.

A transmission circuit encodes failure data as distinct pulse signals for rapid identification.

Fan controller adjusts speed based on thermal profiles to cool multiple compute modules efficiently.

A control device adjusts asynchronous machine slip frequency to minimize airborne noise emission.

Direct inverter control eliminates battery complexity while maximizing solar energy utilization and maintaining constant torque delivery.

Motor control apparatus processes detector information via series connection ports to reduce transmission delay and noise interference.

A control method measures coil current pulse-width times to identify permanent-magnet rotor location in electric motors.

A bumper deployment mechanism uses a motor and elastic parts to protrude from a display panel, reducing screen damage risk when the device falls.

A monitoring device compares signal voltages from two mechanically coupled input means to detect deviations in setpoint specifications.

Ratcheting gears synchronize canopy deployment motors while a programmable breaker interrupts power based on measured current and time.

Controller generates current zero points in fault currents to enable interruption by disconnecting switching units.

Multi-segment curve control adjusts PWM duty cycles to extend low-speed travel range in electronic switch motor applications.

Controller reduces storage writes by saving parameters only during voltage or current abnormalities, extending memory lifespan.

A fault judging circuit monitors voltage across series discharge resistors in an electronic control unit to detect component failures.

Continuous linear control replaces discrete levels to eliminate calculation errors from armature temperature variations, maintaining precise deceleration.

A short-circuit detection mechanism in an electric power steering system stops assist force generation when a phase fault occurs.

A shunt regulator clamps transformer rectifier unit output voltage to safe levels during transient faults.

Controllable currents in shared coil traces manage magnetic forces to reduce cross-coupling between overlapping magnet arrays.

A rotation angle correction device multiplies arrival time differences by angular velocity to determine error angles.

A controller manages multiple energization systems using dual diagnosis processing to detect abnormalities and maintain motor operation.

An LC filter network cuts common mode voltages from 200V to 3V without increasing device complexity.

Vertical fin units attached to a thermal diffusion unit reduce junction temperature and system weight by replacing complex water-cooling loops.

A controller determines voltage commands for each winding set based on input torque and back-EMF drop voltages.

Dual-mode closed-loop control adjusts DC motor supply voltage to maintain constant rotational speed in electric hair cutting devices.

Processor computes leakage flux linkage values to determine motor drive grounding conditions using neutral-ground voltage.

A control unit adjusts drive waveform amplitude and phase to maintain constant motor speed based on detected rotational data.

Voltage droop range management reduces component heat without narrowing the usable power generation range or deteriorating output quality.

A linear motor control unit manages phase coil energization to hold stage position during stopping periods.

A motor control apparatus adjusts electric power steering current using a dedicated temperature sensing unit.

A motor control unit adjusts current feedback parameters based on driving system count to maintain consistent electrical characteristics.

A motor exciting device sums reluctance torques across multi-phase windings to establish a single stable stopping point.

Transforming back EMF to the rotating dq frame stabilizes signals, resolving measurement precision errors in sensorless synchronous motor control.

A magnetic sensor system detects external fields to ensure consistent rotor direction, resolving low efficiency caused by inconsistent starting points.

A control circuit adjusts motor power from an auxiliary source based on remaining energy levels to manage steering assist force.

A rotary electric machine control device segments inverters to apply independent pulse width modulation and active short-circuit schemes.

A controller redistributes supply current to normal windings during faults to maintain steering torque.

A polarity determination part corrects rotary phase angle estimates using magnet induced voltage signals.

A motor control apparatus estimates phase currents using rotor angle and pre-calculated coefficients to replace direct measurements.

A linear motion controller uses a leak magnetic field correction circuit to adjust position signals based on calibration data.

A communication module mounted near a motor transmits sensor data via Single Pair Ethernet, reducing wiring complexity and processing burdens on the controller.

A motor driving device uses a counter accumulating values inversely proportional to voltage amplitude for accurate power failure detection.

A short-circuit determination unit drives phase opening switches to open and connects power supply lines to ground for failure detection.

A capacitor bank connects in parallel with motor windings during startup to compensate reactive power surge.

A motor driven power steering control unit calculates estimated temperature using vehicle speed and current data to manage thermal limits.

A rotor position estimation module adjusts torque signals using motor current and voltage data.

Superimposing voltage pulse pairs onto fundamental waveforms enables reliable field winding excitation during rectangular-wave energization.

A universal motor speed control system uses closed-loop feedback to stabilize rotating speed and maintain cutting ability across ranges.