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On the Development of a Model-based Control Strategy for Copper-ore Flotation.

Authors
Herbst-JA; Zaragoza-R; Bascur-OA
Source
NTIS: PB/86-190170 :70 pages
Link
NIOSHTIC No.
10005088
Abstract
During the last decade, it has been established that conventional flotation control strategies based on classical control theory result in significant increases in grade, recovery, and operating cost savings. In the current report, description of an advanced model-based control philosophy is presented. The derivation and verification of a simplified flotation model is described. The implementation of a kalman filter for estimation of unmeasured variables for input to controllers is discussed. Several control strategies using the model-based approach are described, emphasizing the nonlinear nature of the flotation plant. Expected trends in the implementation of such model-based flotation control strategies in the future are discussed.
Publication Date
19860101
Document Type
CP; Final Contract Report;
Fiscal Year
1986
NTIS Accession No.
PB86-190170
NTIS Price
A05
Identifying No.
OFR 38-86
NIOSH Division
WO;
Source Name
NTIS: PB/86-190170
State
UT;
Performing Organization
Univ. of Utah
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