tài liệu nói về STEPPER_MOTOR_OVERVIEW -tài liệu viết bằng tiếng anh nguyên bản Table of Contents 1. STEPPER MOTOR SYSTEMS OVERVIEW 2 2. STEPPING MOTORS 3 TYPES OF STEPPER MOTORS . 3 VARIABLE RELUCTANCE . 3 PERMANENT MAGNET . 3 HYBRID . 4 MOTOR WINDINGS . 4 UNIFILAR 4 BIFILAR . 5 STEP MODES . 5 FULL STEP . 5 HALF STEP . 5 MICROSTEP 5 DESIGN CONSIDERATIONS 6 INDUCTANCE 6 MOTOR STIFFNESS . 6 MOTOR HEAT . 6 3. DRIVERS . 6 DRIVER TECHNOLOGY OVERVIEW . 6 TYPES OF STEP MOTOR DRIVERS 7 UNIPOLAR . 7 R/L 7 BIPOLAR CHOPPER . 7 MOTOR WIRING CONFIGURATIONS 8 PHASE CURRENT . 9 4. POWER SUPPLY 9 VOLTAGE . 9 TYPE 10 AMPERAGE 10 5. INDEXERS 11 INDEXER OVERVIEW . 11 STAND-ALONE OPERATION . 12 INTEGRATED CONTROL . 12 MULTI-AXIS CONTROL . 12