Torque Ripple Control TRIZ Cases
- Motor Controller Vibration Suppression via Regression Torque Control
A motor controller uses a regression torque controller to limit velocity commands and suppress vibration during object contact.
- Direct Torque Control for Matrix Converter PMSM
A direct torque control method uses a voltage vector switching table to manage matrix converter motor drives.
- Motor Control Device Torque Smoothing for Vibration Suppression
A motor control device calculates vibration-suppression torque values to mitigate fluctuations during operation.
- Torque Ripple Compensation in MDPS Using Pre-Calculated Lookup Tables
A torque ripple compensation apparatus synthesizes offset and ripple signals to generate a motor control signal for MDPS systems.
- Hybrid Vehicle Torque Fluctuation Control via Adaptive Countertorque
Adaptive countertorque control adjusts motor output based on engine average torque to absorb pulsations without excessive energy consumption.
- Digital Actuator Driver Eliminates Sense Resistors
Continuous time delta-sigma analog-to-digital converters replace sense resistors, eliminating thermal noise and reducing power consumption.
- Switched Reluctance Machine Torque Ripple Mitigation
Closed-loop control algorithm dynamically adjusts current waveforms to mitigate low-frequency torque ripples and machine-induced vibrations.
- Fan Motor Control Using High-Frequency Drive Signal
A drive unit converts low-frequency clock signals to high-frequency drive signals above 23 KHz for fan motor operation.
- Rotor Winding Torque Control for Turbomachinery Oscillation Damping
Alternating rotor winding energization applies corrective torque to dampen harmonic oscillations in turbomachinery electrical machines.
- Dynamic Lag Angle Control for Permanent Magnet Synchronous Machines
A control method adjusts lag angle dynamically using time delays on Hall sensor signals to optimize inverter-motor performance.