The stepper motor is used for position control by moving through a certain number of steps. While a stepper motor has a fixed number of steps per revolution, it is possible to move through micro-steps, which improves the step resolution. Micro-stepping also reduces torque ripple and power losses in the motor. The IP block generates theta that is used by the stepper motor control algorithm. It is possible to select microstepping up to 2048 microsteps.
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Features and Benefits
- Core Functionality :
- Calculates electrical angle (θ) and maintains step count for stepper motor control.
- .Supports microstepping up to 2048 microsteps, improving resolution and reducing torque ripple.
- Operates in two modes:
- Position Mode: generates a fixed angle based on a specific command.
- Speed Mode: continuously updates angle for smooth continuous rotation.
- Performance & Utilization :
- Designed and timing-constrained to run at up to 200 MHz.
- Typical resource usage : 285 LUTs, 128 DFFs, 200 (unspecified resource); zero RAM or specialized blocks.
Licensing Options
Encrypted RTL free with any Libero license
Documentation
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| Stepper Theta Generation User Guide | Download |