Vector Control Systems TRIZ Cases
- Electric Power Converter Torque Control for Hybrid Vehicle Efficiency
A motor torque controller minimizes copper loss in an electrical power converter by adjusting voltage commands based on required torque.
- Crane Rope Resonance Elimination via Active Filtering
Nonlinear models detect harmonic vibrations to eliminate crane rope swinging and improve positioning accuracy.
- Sensorless Motor Drive Using Neutral Point Potential Detection
A motor drive device estimates rotor position by detecting stator winding neutral point potential differences.
- Sensorless PMSM Startup Control via Open-Loop to Closed-Loop Transition
A sensorless permanent magnet synchronous motor control method transitions from open-loop to closed-loop operation during startup.
- Magnetic Pole Position Detection Using Dual Voltage Pulse Commands
A calculation unit generates distinct voltage pulse commands to actuate inverter legs for magnetic pole position estimation.
- Motor Hall Sensor Noise Filtering via Speed Estimation
A band-pass filter removes noise from hall sensor signals using speed estimates, maintaining measurement precision while rejecting harmful interference.
- Electric Motor Control via Linearized Current Profiles
A control method applies variable phase voltages based on linearized current profiles to simplify parameterization.
- Rotor Position Estimation via Load-Adaptive Observer
Load-adaptive observer parameters compensate for salient pole distortion to maintain estimation accuracy under heavy loads.
- Motor Controller Inverse Model Compensation for Noise Reduction
A motor controller uses an inverse model to compensate self-inductance phase delay and gain reduction.