Abstract
The plasma-shaping control system for the PBX-M (Princeton Beta Experiment-Modified) tokamak generates highly indented plasmas inside a closely fitting conducting shell. The feedback system has been linearized about a predetermined plasma shape. Three modes of a singular value decomposition (determined from the design shape) are used to control the plasma position and shape. Plasma shape is determined using flux-difference measurements around the circumference of the plasma. An analog computer reduces the magnetic measurements to current corrections in seven sets of symmetric external shaping coils. Though limited to a single design shape, this system offers sufficient flexibility to control the plasma shape throughout the discharge.
| Original language | English (US) |
|---|---|
| Pages | 467-470 |
| Number of pages | 4 |
| State | Published - 1989 |
| Event | Proceedings - IEEE Thirteenth Symposium on Fusion Engineering Part 2 (of 2) - Knoxville, TN, USA Duration: Oct 2 1989 → Oct 6 1989 |
Conference
| Conference | Proceedings - IEEE Thirteenth Symposium on Fusion Engineering Part 2 (of 2) |
|---|---|
| City | Knoxville, TN, USA |
| Period | 10/2/89 → 10/6/89 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
- Nuclear Energy and Engineering