| ??? 01/10/05 14:52 Read: times |
#84659 - OT Step responses |
I have a neat classical digital PID controller scheme in the instrument that I have often mentioned which uses Peltier cooling systems. As part of a significant upgrade, I am looking at new control strategies.
The game is to massively increase the speed of cooling in the system to take a small chunk of metal and oil form roughly +40 to -40 degrees as fast as possible,but at the cold end, the final control point is to be -40.0 +/- 0.05 deg C. Now a lot of improvements have been made by altering the plumbing of the directly refrigerated heatsinks that back up the cell, but I have always thought there is a faster strategy than the old 1/4 wave response beloved of control engineers - especially if one allows for some non-linear control strategy. In other words I am looking for methods of optimising the step response to have as close to zero SSE as possible in minimum time. Can any one suggest names for technique which I should examine ? And, yes, the whole backend of the instrument is controlled by an 8052. Steve |
| Topic | Author | Date |
| OT Step responses | 01/01/70 00:00 | |
| Step respons | 01/01/70 00:00 | |
| Happy with PID | 01/01/70 00:00 | |
| Re Happy with PID | 01/01/70 00:00 | |
| more details | 01/01/70 00:00 | |
| Making Use of Three Sensors | 01/01/70 00:00 | |
| Heat pipe? | 01/01/70 00:00 | |
| Minimizing Settling Time | 01/01/70 00:00 | |
| Timing | 01/01/70 00:00 | |
| Heat Transfer Rates and Efficiency | 01/01/70 00:00 | |
| Nice estimation | 01/01/70 00:00 | |
| Worked that out | 01/01/70 00:00 | |
| Segments of different PID parameters | 01/01/70 00:00 | |
| integrating cap | 01/01/70 00:00 | |
| Abruptly changing... | 01/01/70 00:00 | |
| Exaclty | 01/01/70 00:00 | |
| Have you Read Above? | 01/01/70 00:00 | |
| Sorry | 01/01/70 00:00 | |
| Maybe this can help? | 01/01/70 00:00 | |
| Interesting | 01/01/70 00:00 | |
| Reference | 01/01/70 00:00 | |
RE: Reference | 01/01/70 00:00 |