Easily Controlling High Current on Our Linear Synchronous Motors

As we continue our journey to design a Linear Synchronous Motors, we realize that a lot of current is needed for this to function. Controlling the electromagnets with a sine wave AND using digital logic to do this can be intimidating. See how using pulse width modulation and transistors arranged as an H-Bridge can cross this gap.

Finally, we will come face to face with a foe – flyback voltage. This foe can fry your circuit boards lickety-split if you aren’t careful.

Corey Rasmussen

Corey is the Managing Director of the Mentored Engineer and owner of Rasmussen Designs. He received his BSME from Baylor University and holds a professional engineering license in North Carolina and Texas. He has been an engineer since 2002 with extensive experience in engineering design, fabrication and troubleshooting. He specializes in mobile equipment, hydraulic systems and machine design. He has two patents

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