AIChE Symposium Series, Volume 93, Issue 316American Institute of Chemical Engineers, 1997 - Chemical engineering |
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Page 248
... setpoint more slowly , in order to avoid overshoot . A first order curve is drawn from the current CV value to the setpoint , with the speed of the re- sponse determined by a trajectory time constant . Future CV deviations from the ...
... setpoint more slowly , in order to avoid overshoot . A first order curve is drawn from the current CV value to the setpoint , with the speed of the re- sponse determined by a trajectory time constant . Future CV deviations from the ...
Page 249
... setpoint faster than a trajectory would require if a pulse disturbance releases . A trajectory based MPC would try to move away from the setpoint to follow the trajectory . Coincidence Points Industrial MPC controllers use three ...
... setpoint faster than a trajectory would require if a pulse disturbance releases . A trajectory based MPC would try to move away from the setpoint to follow the trajectory . Coincidence Points Industrial MPC controllers use three ...
Page 348
... setpoint step change in variable j is not acceptable ( large peak in the time domain , oscillations , long settling time or the variable i is more important to maintain at its setpoint than the other variables ) we need to slow down the ...
... setpoint step change in variable j is not acceptable ( large peak in the time domain , oscillations , long settling time or the variable i is more important to maintain at its setpoint than the other variables ) we need to slow down the ...
Contents
Industry Assessment | 1 |
Predictive Control | 5 |
Adaptive and Nonlinear Control Fact or Fantasy? | 9 |
Copyright | |
22 other sections not shown
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adaptive control AIChE algorithm analysis analytical applications approach auto-correlation batch behavior changes Chem Chemical Engineering chemical process chip closed-loop constraints continuous control problems control system controller design defined developed discrete disturbance dynamic equations estimation example feedback control Figure finite Grafcet horizon hybrid systems identification IEEE implementation input linear control loop manufacturing matrix measured methods model predictive control monitoring Morari multivariable neural networks nonlinear control nonlinear model nonlinear systems on-line operating optimal control output error paper machine parameters Petri net PID controllers plant Proc process control process model programming Pulp and Paper quadratic quadratic program reactor robust robust control scheduling sensors sequence set point significant simulation snack food solution specifications stability step structure synthesis TAPPI Press techniques temperature theory tion trajectory transfer function trend trol uncertainty valve variables variance vector wafer