Single-Phase Induction Motor Starters TRIZ Cases
- Polyphase Inverter Control Reducing Switching Losses
A polyphase inverter control method minimizes switching losses by optimizing free wheeling vector generation and applying periodic bridge arm inhibition.
- Variable Inductance Electric Drive Control for Stability
Electric drive control apparatus calculates variable inductances to adjust voltage commands, maintaining stable operation across varying driving states.
- Adaptive Motor Control Switching Modes for Accuracy
An adaptive control system dynamically selects single-phase or multiple-phase operation based on detected rotor deviations to maintain precise positioning.
- Single-Phase Motor Starter Using Hall Effect Sensor and Thyristor
Replacing bimetallic contacts with a Hall effect sensor eliminates cooling idle times between repeated motor starts.
- Voltage Conditioner Block for Single-Phase Induction Motor Noise Filtering
A voltage conditioner block accumulates energy from the auxiliary winding to supply the control circuit.
- Inverter Controller Slip Frequency Adjustment for Beat Suppression
Input side current detection enables prompt pulse correction by adjusting slip frequency, suppressing beat phenomena during load fluctuations.
- Sensorless Induction Motor Slip Frequency Correction
A slip frequency correction unit adjusts estimation values using voltage command signals for sensorless induction motor control.
- AC Line Voltage Conditioner for Induction Motor Power Factor Correction
Dynamic voltage adjustment via electronic switching and capacitors maintains motor torque during brownouts.
- Sensorless AC Motor Speed Estimation Using Torque Error Filtering
A speed estimator computes motor velocity by filtering torque error signals with an adaptive filter and proportional controller.
- Wiper Controller Resistance Variance Correction
A wiper controller computes position information from output signals using learned values to adjust resistance variations.
- Multiphase Rotary Machine Control via Line-to-Line Current Zero Crossings
A control system modulates multiphase rotary machine voltage using zero crossing detectors on line-to-line currents.
- Vehicle Motor Control Device Phase Temperature Torque Management
A vehicle motor control device detects individual coil temperatures to manage torque output based on current phase angle.
- Induction Machine Parameter Estimation Standstill
Dual DC magnetization phases measure stator current peaks during zero voltage vectors to estimate main inductance without rotating the rotor.