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Understanding of DC motor driving
circuit when the car moves forward Understanding of DC motor driving
circuit when the car moves reverse
Rear wheels’ moving direction after reverse movement command
Rear DC
Motor
2. Outline of the control practice for the DC motor
(2) Outline of the control practice for the rear DC motor
(for forward and reverse movement)
Rear wheels’ moving direction after forward movement command
 Four TRs are used to allow control of the DC motor’s rotation and reverse rotation.

When the car moves forward, TR① and TR④ are powered, which makes the DC
motor driving current flow.
 Four TRs are used to allow control of the DC motor’s rotation and reverse rotation.
 When the car moves reverse, TR② and TR③ are powered, which makes the DC
motor driving current flow.