Hello, I see several circuits here that may help do this. My idea is to use a stepper (or 2 F/R) motor with a lead screw that could move the trotlle back and forth by sampling the frequecy at the generators output. any ideas?
"Anything worth doing is done in faith", Albert Einstien
It could be even easier then that. Solenoids fed by PWM are generally what are used for idle control. The easiest thing to do would be to pick a microcontroller with a built in PWM circuit (search for "looking for microcontroller for PWM application") and then just make all your decisions in software.
I am not trying to idle the engine I want to make a control cucuit that get 60hz feedback from the generator then controls an actuator that will open or close the throttle to maintain 60 HZ under varing load conditions.
"Anything worth doing is done in faith", Albert Einstien
I'm aware of that. The same principle for idle control applies to keeping the engine at ANY speed steadily.
Also, a missing pulse detector might do the job. If the frequency wavers from 60Hz then the detector drops out, your "speed up" control gets engaged and the engine increases speed to maintain the 60Hz pulse. The trick will be avoiding oscillation since the engine lags.
Diesel engine rpm constant for for 60HZ generation
Posted - Apr 11 2006 : 12:04:32 AM
