Electronic Commutation Motor Control TRIZ Cases
- Field-Oriented Control of Synchronous Reluctance Machine
A field-oriented control method for synchronous reluctance machines uses one-dimensional characteristic maps to determine current components.
- Wound Rotor Motor Starting via Phase-Controlled SCR Converter
A phase-controlled silicon controlled rectifier regulates power transfer to a wound rotor motor drive circuit.
- Stator Winding Temperature Measurement Using Torque-Free Bias Currents
Torque-free bias currents enable accurate stator winding temperature measurement by isolating ohmic resistance from motor model errors and current tolerances.
- Auto Tuning Induction Motor Slip Frequency and Inductance
Dynamic parameter tuning compensates for rotor time constant drift to preserve torque control accuracy and reduce power losses during operation.
- Phase Current Offset Error Detection in Motor Control
Transforming voltage commands detects phase current offset errors, preventing torque ripple and false trips in power steering systems.
- Motor Noise Compensation via Harmonic Order Identification
A motor control system identifies noise-contributing harmonic orders to adjust current commands for smoother operation.
- Multi-phase Machine Fault Detection via Harmonic Control Release
A multi-phase machine control method releases harmonic current regulation to extract fault signatures using vector space decomposition.
- Drive System Changeover Switching for Loss Reduction
Parallel semiconductor and relay switches in a drive system reduce conduction losses while maintaining switching responsiveness.
- Field-Oriented Current Regulation for Synchronous Machines
Dynamic prioritization of voltage components maintains stable operation near the voltage limit, resolving unreproducible current dynamics.
- Speed Variator Loop Tuning via Load Mass Calculation
A speed regulation loop calculates proportional and integral gains from nominal load mass and motor frequency.
- Two-Coil Stepper Motor Drive Circuit Impact Detection
Dual-purpose coil drive circuit detects rotor deviations via counter-electromotive force to correct timekeeping errors.