I think controlling it is probably like driving a Testarossa in downtown Atlanta traffic. Lots of energy gain from a small core
On Tuesday, July 23, 2013, Alan Fletcher wrote: > > From: "David Roberson" <[email protected] <javascript:;>> > > Sent: Tuesday, July 23, 2013 1:32:36 PM > > Subject: [Vo]:DGT Control Not Trivial > > > It has been an interesting day indeed. One observation that I made is > > that the thermal and plasma control of the DGT device is not so > > easy. It appeared to take quite a balancing act in order for the > > device to work within its desired range and the guys handling the > > controls had their hands full most of the time. > > From the Q&A I *think* they said that they > > a) balance the front-to-back temperature > b) Use the SLOPE of one of the curves (I forget which) as a simple and > accurate control > c) Turn the pulses on and off (here they kept it constant) > > I suspect that c) is there main control method, so they have to juggle the > other parameters more than usual. > > The last time I looked they lowered the heater temp and the output temp > dropped dramatically (100-ish). It's rising again, but erratically. > >

