Flatline Robotics
BLDC Motor &
ESC Deep Dive
3-phase power. Sensorless control. Motor sizing. Master brushless systems.
⏱ 2 Sessions · 2 Hrs Each
⚙ Bench Testing
What You'll Learn
- How brushless DC motors work internally
- 3-phase power generation and commutation
- ESC (Electronic Speed Controller) architecture
- Sensor vs. sensorless control systems
- Hall sensors, encoders, and back-EMF sensing
- Motor KV rating, torque, and power calculations
- How to size a motor for your application
- Hands-on: bench-test a motor and ESC
Session by Session
1
BLDC Motor Fundamentals
Learn stator/rotor construction, 3-phase windings, and how commutation works. Understand KV rating and torque curves.
2
ESC Architecture & Control
Explore ESC internals: MOSFETs, gate drivers, and control logic. Compare sensor vs. sensorless operation.
3
Motor Sizing & Selection
Calculate power requirements for your application. Learn to match motor, ESC, and battery for optimal performance.
4
Bench Testing Lab
Hands-on testing with real BLDC motors and ESCs. Measure RPM, current draw, and throttle response.
Skills You'll Gain
Motor Theory
Power Electronics
ESC Programming
System Design
Bench Testing
Prerequisites
Basic electronics knowledge recommended. Familiarity with Ohm’s law and basic circuits helpful but not required.
Test Real Hardware
Bench-test actual BLDC motors and ESCs. See 3-phase waveforms on an oscilloscope and measure performance.
Ready to master brushless motors? Join this deep dive and understand the technology powering drones, EVs, and RC vehicles.
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