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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2009

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The visualization of discrete sequential systems

Świder J., Hetmańczyk M.

Journal of Achievements in Materials and Manufacturing Engineering

2009

Vol. 34, nr 2

196-203

Purpose: The paper is focused on the assumptions of the method of discretizing the states of sequential systems for an exemplary robotized metallurgical semi- finished products treatment department. The control of digital equipment is described on the bases of the patterns of control bites sequence configuration. The need for the development of a discretization method stems from difficulties encountered in representing the state of a process of an analogue nature. The crucial barrier is the method of treating the input signal to the visualization system. Design/methodology/approach: The proposed method is based on determining the variables that control the course of visualization in a manner enabling the treatment of all signals as boolean variables. Such approach requires a proper formulation of the input information flux to secure an explicit identification of the states of the served process. Findings: On the grounds of the assumptions a system of visualization is created to attempt the service of a robotized treatment centre. The main emphasis is put on devising an unambiguous way of identifying the states of an industrial robot and its cooperating sensors. Research limitations/implications: The result is the presentation of the combination of control elements in a bite vector used for defining the state of failure or for detecting operational irregularities. Originality/value: The originality of the paper is the approach towards the problem of processes visualization which may be categorized to a group of discrete processes with elements of analogue control data processing.