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Electromagnetic mill installation for dry grinding represents a complex dynamical system that requires specially designed control system. The paper presents model-based predictive control which locates closed loop poles in arbitrary places. The controller performs as gains cheduling prototype where nonlinear model – artificial recurrent neural network, is parameterized with additional measurements...
The paper presents models and estimation algorithm of the air stream velocities in pneumatic material transport for supervisory and direct control layers of electromagnetic milling system. The algorithm uses redundant measurement system and identifies parameters of the first principle model to increase reliability of the measurements and to give rise of the fault detection system.
The paper presents control system of a working chamber load of an electromagnetic mill. The mill works in a dry grinding and classification circuit with pneumatic transport. Structure of the circuit is presented in the paper as well as the measurement system. Data acquisition uses direct and indirect measurements. The most challenging are the indirect measurement of the chamber fulfillment and the...
The paper presents optimizing control of the electromagnetic grinding system. The electromagnetic grinding is a complex process, thus formulation of the optimization problem is done in a top-down manner. To do so, the parameters which influence product quality and serves as decision variables are specially selected. The selection follows from environmental analysis of the system and discussion of...
The paper presents a model of the air stream ratio in the dry grinding and classification circuit with the electromagnetic mill. The concept of the grinding system is described along with indirect measurement methodology. Model structure and identification problems are discussed and a supervisory control algorithm based on the model is derived.
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