System monitoring apparatus and control method thereof
A system monitoring and manufacturing system technology, applied in the direction of total factory control, general control system, electrical program control, etc., can solve the problem of reduction target and measured value, undocumented policy matters, undocumented energy reduction policy matters, etc.
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no. 1 approach ]
[0052]
[0053] figure 1 It is a figure which schematically shows an example of the structure of the manufacturing system of this embodiment.
[0054] refer to figure 1 , the manufacturing system includes a reflow furnace 700 , and the air in the reflow furnace 700 is heated by a heater 702 . The controller 100 determines the control content of the heater 702 based on the detection output of the temperature sensor 701 for detecting the temperature in the reflow furnace 700 . Also, the controller 100 controls the output of the heater 702 via the operator 750 .
[0055] In addition, in the present embodiment, the controller 100 is connected to the monitor 111 , and displays the detected temperature input (received) from the temperature sensor 701 on the monitor 111 .
[0056] figure 2 is used to illustrate the figure 1 A diagram of the information content of the manufacturing system prompt.
[0057] The controller 100 of the present embodiment provides information fo...
no. 2 approach ]
[0145]
[0146] Figure 16 It is a diagram schematically showing the functional configuration of the controller 100 of the second embodiment of the system monitoring device of the present invention. In addition, since the hardware structure of the controller 100 of this embodiment can adopt the same hardware structure as that of the first embodiment, detailed description will not be repeated here.
[0147] refer to Figure 16 , the controller 100 of this embodiment except Figure 7 In addition to the controller 100 of the first embodiment shown, a quality risk calculation unit 105 is included. The quality risk calculation unit 105 calculates the predicted value of the status data in the specific period based on the status data in the specific period.
[0148]
[0149] (Predictive value)
[0150]In the present embodiment, the CPU 10 continuously acquires the detection output of the particle sensor 200, and then, for each time point, uses the past state data within a pre...
no. 3 approach ]
[0189] In the first embodiment or the second embodiment described above, the CPU 10 calculates the energy reduction room for a specific period. The energy reduction margin is derived, for example, by calculating an integrated value of detection values when the state data is within the minimum reference range for a specific period, and calculating such detection values and actually detected state data (or, is the cumulative value of the difference between the predicted value of the state data), and the ratio of the latter cumulative value to the former cumulative value is obtained as the energy reduction margin.
[0190] That is, in each embodiment, in each system, the calculated room for energy reduction is a ratio.
[0191]In the present embodiment, the CPU 10 calculates and displays the room for energy reduction for each of the plurality of systems.
[0192] Figure 22 It is a figure which shows the display example of the calculation result of the room for energy reduc...
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