TimWescott

4 ms·

1. 1.▲
   by TimWescott 7y ago

   FIR filters are the last thing you want in closed loop -- for the amount of filtering they do, they have way excessive phase delay. I'd use a derivative term with bandlimiting, and I'd accept that if I couldn't get the respon
2. 2.▲
   by TimWescott 7y ago

   Heh. My website has crashed due to excessive bandwidth -- I'm working on it.
3. 3.▲
   by TimWescott 7y ago

   FYI, if you're a visual learner, check out my YouTube channel: https://www.youtube.com/channel/UC923b-omXUs0dnWOTDD7FhA , but be warned there's not as much there as I'd like. I do have all the material fr
4. 4.▲
   by TimWescott 7y ago

   I wrote that article in 2000, and the really scary thing for me is that I'm now seeing code that obviously either came right out of it, or is only a few copy-pasta steps away from it that's just taken as "the way things are d
5. 5.▲
   by TimWescott 7y ago

   There are various structured ways to set PID gains. The mentioned use of optimal control is one, although if you go there you need to be careful about setting your costs -- LQR and other optimal schemes assume a perfect model of the plant;
6. 6.▲
   by TimWescott 7y ago

   Had I considered that title I would have discarded it for that reason.