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Display device, display system, display screen generation method

A display device and a technology for displaying images, which are applied in image generation, general control system, 2D image generation, etc., and can solve problems such as easy-to-find anomalies

Active Publication Date: 2020-11-10
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a method of realizing this, there is a display method, etc., in which log data obtained from the device is displayed in a normal state and an abnormal state, so that the user using the device can easily find the abnormality.

Method used

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  • Display device, display system, display screen generation method
  • Display device, display system, display screen generation method
  • Display device, display system, display screen generation method

Examples

Experimental program
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Embodiment approach 1

[0047] figure 1 It is a configuration diagram showing an example of the display system in Embodiment 1 of the present invention. Such as figure 1 As shown, the display system 100 has five devices 1 , a control device 2 , a predicted value calculation device 3 , a display device 4 and a network 5 . In addition, the case where the display system 100 has five devices 1 is described, but it is not limited to the case where there are five devices 1 , and any device 1 may have four or less or six or more.

[0048] Device 1 is a drive device that drives a binary digital signal as input data or an output device that outputs a binary digital signal as output data, such as drive devices such as actuators, or sensors, switches, repeaters, and digital circuits, etc. output device. The device 1 is a device embedded in any device such as a processing device such as an injection molding machine, an extrusion molding machine, a lathe, and a grinding machine, or an inspection device such ...

Embodiment approach 2

[0140] In Embodiment 1, an embodiment was described in which, when the normal model is a normal model generated based on machine learning, the probability that the signal value of the predicted value of the log data of the control device 2 is 1 is 0.5 or more. In the case where the signal value of the predicted value is set to 1, the probability that the signal value of the predicted value of the log data of the control device 2 is 1 is less than 0.5, and the signal value of the predicted value is set to 0, and the prediction of the log data of the control device 2 The signal value of the value must be either of the two states of 0 or 1. In Embodiment 2, an embodiment will be described in which, when the normal model is a normal model generated based on machine learning, the signal value of the predicted value of the log data of the control device 2 is 0, 1, or none. state. In addition, the configuration of the display system 100, the configuration of the predicted value calc...

Embodiment approach 3

[0157] In Embodiment 1, an embodiment was described in which, when the normal model is a normal model generated based on statistical processing, the prediction screen generation unit 412 of the control unit 41 of the display device 4 based on the accuracy of the predicted value The standard deviation calculates the angle θ of the predicted value area 7 . In Embodiment 3, an embodiment will be described in which, when the normal model is a normal model generated based on statistical processing, the prediction screen generation unit 412 of the control unit 41 of the display device 4 uses The shape and size of the predicted value region 7 are corrected for the normal distribution calculated with the standard deviation of degrees. In addition, the configuration of the display system 100, the configuration of the predicted value calculation device 3, the configuration of the display device 4, the normal model generation process in the predicted value calculation device 3, the predi...

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Abstract

Provided is a display device (4) for displaying log data including input data to and / or output data from a device (1), said input data and output data being binary digital signals, wherein said display device (4) is provided with: a memory (43) which stores predicted data that includes signal values representing predicted values of the log data, and that also includes the accuracies of the predicted values, said memory (43) also storing signal values representing measured values of the log data; a control unit (41) which generates a display screen in which a predicted value region representinga region of normal log data is rendered on the basis of the predicted data, and the signal wavelengths of the signal values representing the measured values are also rendered on the basis of the signal values representing the measured values; and a display unit (46) which displays the display screen. Thus, if log data is abnormal, the display device (4) can indicate that the log data deviates from normal log data, and to what degree.

Description

technical field [0001] The present invention relates to a display device for displaying log data as a binary digital signal composed of input data to a drive device such as an actuator or output data from an output device such as a sensor embedded in a processing device in a factory. Background technique [0002] In recent years, in a situation where a plurality of devices are operating in a production site in a factory, the need for abnormality detection for early detection of device abnormalities has increased. As a method for realizing this, there is a display method in which log data acquired from the device is displayed in a normal state and an abnormal state, so that the user using the device can easily find the abnormality. [0003] As such a display method, Patent Document 1 proposes a display method in which sensor data in a normal state, that is, a normal state, and sensor data in an abnormal state, that is, an abnormal state are simultaneously displayed on a singl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B19/0426G05B23/0267G06N20/00G06N7/01G05B23/0272G05B23/0283G05B13/048G05B2219/24104G06F3/04817G06F3/14G06F2203/04804G06T11/206G06T2210/62
Inventor 中原大贵三井聪樋口博彦佐藤聪
Owner MITSUBISHI ELECTRIC CORP
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