AIChE Symposium Series, Volume 93, Issue 316American Institute of Chemical Engineers, 1997 - Chemical engineering |
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Page 213
... loop response , the low gain direction can be just as important when the loops are closed . For instance , a model with a wrong sign of gain for this direction results in closed- loop instability under integral control . The problem is ...
... loop response , the low gain direction can be just as important when the loops are closed . For instance , a model with a wrong sign of gain for this direction results in closed- loop instability under integral control . The problem is ...
Page 259
... loop where people and their programmed agents act to satisfy constraints and optimize economic return in the face of changing conditions . Digital process control systems fall naturally within . this paradigm . There is not a digital loop ...
... loop where people and their programmed agents act to satisfy constraints and optimize economic return in the face of changing conditions . Digital process control systems fall naturally within . this paradigm . There is not a digital loop ...
Page 334
... loop behavior is very close to the open - loop predic- tions . With the ∞ - norm soft constrained solution , the worst constraint violation is smaller and the last violation is ob- served at sample 11. However , closed - loop behavior ...
... loop behavior is very close to the open - loop predic- tions . With the ∞ - norm soft constrained solution , the worst constraint violation is smaller and the last violation is ob- served at sample 11. However , closed - loop behavior ...
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