Vector Control Systems TRIZ Cases
- Induction Motor Torque Control Using Pre-Calculated Look-Up Tables
Pre-calculated look-up tables manage magnetic flux saturation and battery voltage changes in induction motor torque control.
- Sensorless Rotor Angle Detection in Reluctance Machines
A control device determines rotor frequency and angle by analyzing current responses to voltage pulses applied to the stator winding.
- Synchronous Inductance Identification via Voltage Pulse Sequences
Voltage pulse sequences identify synchronous inductances without rotor rotation, resolving precision issues from position uncertainty.
- Motor Control Device Phase Rotation Interchange
A motor control device interchanges voltage command and current feedback data to drive a motor in any rotation direction.
- Motor Control Pulse Shift PWM Duty Signal Ripple Reduction
A motor control apparatus adjusts switching timings of PWM duty signals to minimize current ripples.
- Motor Control Apparatus for Electric Power Steering
A motor control apparatus corrects voltage commands using sequential cycles to manage current variations in electric power steering systems.
- Dynamic Carrier Frequency Control for Motor Inverter Noise and Loss
A control device fluctuates the carrier frequency to distribute the inverter noise spectrum.
- Motor Controller Speed State Detection via Sensorless and Proximity Fusion
A motor controller merges sensorless rotation speed estimation with proximity switch signals to determine operational states.
- Torque Error Estimation for IPMSM Current Sensor Optimization
A torque error estimation module calculates current sensing errors to optimize sensor accuracy specifications.
- Sensorless BLDC Motor Startup via Dynamic Torque Control
Dynamic current modulation in a sensorless BLDC motor resolves the trade-off between high starting torque and excessive energy consumption during startup.
- Electric Motor Current Sensor Offset Correction
Controller detects rotating vector offsets to correct current sensor drift during operation.