## AIChE Symposium Series, Volume 93, Issue 316American Institute of Chemical Engineers, 1997 - Chemical engineering |

### From inside the book

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Page 86

The use of the auto - correlation function by the researchers stated above

focused mainly on testing if the conditions for minimum variance

( Box and Jenkins , 1976 ; Astrom , 1970 ) were being satisfied , or the nearness

of ...

The use of the auto - correlation function by the researchers stated above

focused mainly on testing if the conditions for minimum variance

**feedback control**( Box and Jenkins , 1976 ; Astrom , 1970 ) were being satisfied , or the nearness

of ...

Page 204

Open - loop control is assumed to compute a

the input trajectory from k to k + p computed at time k is a deterministic trajectory

determined based on xklk . On the other hand , the inputs actually implemented ...

Open - loop control is assumed to compute a

**feedback control**law . Notice thatthe input trajectory from k to k + p computed at time k is a deterministic trajectory

determined based on xklk . On the other hand , the inputs actually implemented ...

Page 211

The optimal

ufti - 1 Ruk + i - 1 } is again determined from the following dynamic program : Ek

is an i . i . d . Gaussian sequence . Assuming Ek = 0 Vk amounts to the constant ...

The optimal

**feedback control**policy that minimizes the cost E { 2 } = 12 & tiQXkti +ufti - 1 Ruk + i - 1 } is again determined from the following dynamic program : Ek

is an i . i . d . Gaussian sequence . Assuming Ek = 0 Vk amounts to the constant ...

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### Contents

Industry Assessment | 1 |

Predictive Control | 5 |

Adaptive and Nonlinear Control Fact or Fantasy? | 9 |

Copyright | |

23 other sections not shown

### Common terms and phrases

achieve adaptive control addition algorithm analysis applications approach associated batch behavior bounded changes chemical closed complex Conference consider constant constraints continuous control system defined described determine developed direction discrete discussed disturbance dynamic effective engineering equations error estimation example exist factor Figure function future given horizon hybrid systems identification IEEE implementation important improved increase industrial initial input issues limited linear loop machine manufacturing matrix measurement methods monitoring networks nonlinear nonlinear control objective obtained on-line operating optimization output parameter performance plant possible practice present problem process control programming properties Pulp reactor represent respect response robust scheduling set point setpoint shown shows significant simulation solution solved specifications stability step structure techniques temperature theory tion transition trend uncertainty variables vector wafer