Step angle calculation calculate the step angle stepper motor
Solved Step by Step With Explanation-Stepper Motor Modes: Full vs. Half
Questions
c. What are the differences between full step and half step mode?
## please show & write the truth table for both with explanation in your answer
Step Angle (in degrees) = (360°) / (Number of Stator Poles × Number of Rotor Poles)
In your case, the stepper motor has 6 stator poles and 4 rotor poles. Plugging these values into the formula:
Explanation: A stepper motor is a type of electric motor that moves in discrete steps, and the step angle is the angle through which the motor shaft rotates for each individual step. In this case, each step corresponds to a 15-degree rotation.
b. Truth Tables for Full-Step and Half-Step Modes:
Step | Coil A | Coil B | Coil C | Coil D |
---|---|---|---|---|
1 | 1 | 0 | 0 | 0 |
2 | 0 | 1 | 0 | 0 |
3 | 0 | 0 | 1 | 0 |
4 | 0 | 0 | 0 | 1 |
In half-step mode, you energize two coils simultaneously, creating a sequence that allows for half the step angle of the full-step mode. The sequence is as follows:
Step | Coil A | Coil B | Coil C | Coil D |
---|---|---|---|---|
1 | 1 | 0 | 0 | 0 |
2 | 1 | 1 | 0 | 0 |
3 | 0 | 1 | 0 | 0 |
4 | 0 | 1 | 1 | 0 |
5 | 0 | 0 | 1 | 0 |
6 | 0 | 0 | 1 | 1 |
7 | 0 | 0 | 0 | 1 |
8 | 1 | 0 | 0 | 1 |
In half-step mode, you achieve a finer resolution, and each step corresponds to half the step angle of the full-step mode. The sequence is also cyclic.
Power Consumption: Full-step mode consumes less power as only one coil is energized at a time, while half-step mode may consume slightly more power due to the simultaneous energization of two coils.