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Field-Oriented Control of a PMSM (Simplified) with Speed Loop

Approx. component budget: Rs. 8,000 - 14,000

Objective

Implement vector control on a small motor and compare it with simple six-step control.

What you will build

A PMSM or BLDC motor with a 3-phase inverter and current sensing, where the controller applies Clarke and Park transforms and controls torque and speed separately.

Results you can expect

• Speed response to a step
• Current ripple
• Torque smoothness
• Efficiency at low speed
• And comparison with six-step control

What you will learn

Vector control, coordinate transformations, current loops and modern EV motor control.

Tools and notes

STM32 or ESP32 with a motor control library, 3-phase driver board, current sensors, encoder. Start with low voltage (12-24 V) and a current limit.

Resume points from this project

• Built and tested Field-Oriented Control of a PMSM (Simplified) with Speed Loop; objective: implement vector control on a small motor and compare it with simple six-step control.
• Measured and analysed speed response to a step and current ripple; wrote the report and presented the results in a viva. Add your own numbers: [x].

Replace [x] with your own measured results. Write only what you really did.

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