NHET: Generating angle output from varying speed

Art Bryan

Ho do I generate an angle output to a pin based on varying input speeds. For example. How would I trigger an output of angle x from a motor rotation where that motor rotation can be of any speed?

Thanks

over 14 years ago

0 Anthony F. Seely over 14 years ago

TI__Guru 68930 points

Art,

What type of motor? The angle functions in NHET are for a combustion engine with toothed wheel (e.x. a 60-2 toothed wheel). These instructions might be adaptable to a different type of motor, but some of the assumptions in the angle generation are that the motor turns in one direction only, and that the RPM isn't changing very rapidly compared to the NHET loop resolution. These are basically true for a combustion engine, but might not be true for an electric motor.

If you're working with a different type of motor, like an electric motor, then this answer will be different and we'll need to know what you're using for position feedback. (i.e. quadrature encoder, hall sensors, etc...).

-Anthony