PWM and dither

Hi,
I need to control a solenoid valve using PWM but I have also some
specifications about "the dither" in order to reduce friction etc.. I now
what the dither is able to do in theory. I now how to built an electronic
circuit concerning PWM (I'd do that using a micro plus a MOSFET etc.) but
I don't have any idea about "the dither". Should I sum another PWM with
lower frequency to the higher frequency PWM which control the valve
position ? Do you have any example or links in order to clarify this
aspect ?

Thank you in advance,
Pasquale
.

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    (sci.electronics.design)
  • Re: PWM and dither
    ... I need to control a solenoid valve using PWM but I have also some ... specifications about "the dither" in order to reduce friction etc.. ...
    (sci.electronics.design)
  • Re: PWM and dither
    ... I need to control a solenoid valve using PWM but I have also some ... specifications about "the dither" in order to reduce friction etc.. ...
    (sci.electronics.design)
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