Stepper Motor
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Stepper Motor

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    Stepper Motor Stepper Motor Presentation Transcript

    • Cleverness with Magnets and Coils
    • Different types of stepper motors Differences in Characteristics Stepper Drive Techniques Stepper Dynamics Snubbing for Stepper Motors
    • S N S N N S S N S N
    • 1 2 3 4 5 6 e c d
    • a b
    • V+ S N N S G nd V+ S S N N G nd
    • V+ S N S N N S S N S N G nd
    • V+ A N S S N N D C N G nd N S S V+ S S N S N B G nd
    • V+ A NN NNNN D SSS C G nd V+ S SS B G nd
    • Logic Coil Sequencer Drive
    • b a
    • 0
    • Vo lta ge C u rre n t t0 t0 t1 t1 tim e
    • 12V 12V +V +V 1.2mH DIODE 1.2mH DIODE 27 ZENER 11.4 11.4 0/0V 2N3055 0/0V 2N3055 50 +V 50 Ext File Ext File 1.2mH 11.4 0/0V 2N3055 50 1N4749 Ext File
    • 47.6m Diode Only -137m Resistor + Diode Zener Only -321m Diode + Zener No Snubber -506m -690m -875m -1.06 372u 442u 511u 580u 649u 718u 303u Ref=Ground X=69.2uS/Div 241%