Torque Ripple Control TRIZ Cases
- Powertrain Control Device Ripple Current Management
A powertrain control device manages inverter ripple currents flowing into the battery.
- Brushless DC Motor Control via Back-EMF Voltage Regulation
A regulator circuit adjusts inverter voltage using back electromotive force signals to optimize motor drive conditions.
- Multi-phase Motor Flux Correction for Magnet Protection
A controller system determines flux correction values to synchronize virtual motors and reduce harmonic issues in multi-phase drives.
- Rogowski Coil Measurement Circuit for Sensorless Motor Position
A measurement circuit uses a Rogowski coil to detect rate of change of current in motor ground lines.
- Frequency Converter Harmonic Reduction via Rotor Feedback
A frequency converter adjusts machine bridge signals using rotor pole position data to minimize line current distortion.
- Sensorless Motor Position Detection via Current Ripple Analysis
A sensorless motor control system detects rotor position by analyzing current ripples during commutation.
- Adaptive Actuator Control Reducing Torque Ripple
An adaptive motor control system modifies drive current using vibration feedback to cancel torque ripple in electromechanical actuators.
- Sensorless Motor Control via Magnetic Saturation Voltage
A motor control unit estimates magnetic pole position using induced voltage from magnetic saturation.
- Coaxial Variable Electric Motor System with Flexible Couplings
Aligning motors on a single axis eliminates bulky radial transmissions, reducing overall volume and startup load torque.
- Two-Phase AC Motor Drive Waveform Design
Hybrid current waveforms eliminate invalid reverse magnetic fields, reducing power consumption and enhancing motor efficiency.
- Torque Compensation Apparatus for Motor Iron Loss
A torque compensation apparatus calculates iron loss torque using magnetic flux maps to minimize current consumption.