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Direct Manipulation Technique for Plant Control Centers: Do it Through Cameras

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Abstract

This paper proposes a new man-machine technique for operator's consoles at plant control centers. The technique is direct manipulation of objects in real motion pictures taken by monitor cameras. Operators can manipulate devices placed in a plant, such as buttons and sliders, with pick and drag operations on the real motion pictures. They can also get information related to objects which they pick on the real motion pictures. The virtues of the technique are: (1) The operators intuitively understand what they are doing and what is going on as the result of their manipulation because of the realty of the pictures, as compared with graphic interfaces. (2) The consistent interface to real motion pictures and to graphics is established. Operators can manipulate objects shown either in real motion pictures or in graphics in the same direct manipulation manner. A prototype man-machine interface with the technique is presented to show how the technique is applied to plant control centers. © 1991, The Institute of Electrical Engineers of Japan. All rights reserved.

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Article
Amount of data for operators is increasing, but the amount of information, which operators obtain is not increasing because conventional human interfaces only focus on human foreground awareness. Users usually obtain information with both of background and foreground awareness. This paper proposes a new human interface style (awareness oriented human interface), which exploits the human background awareness. The human interface promotes the operator's abilities of recognition by, 1) providing information for both of foreground and background awareness simultaneously, 2) information navigation between foreground and background awareness, 3) awareness oriented information processing, 4) supporting public awareness for multiple operators.
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