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Device state detecting device, device state detecting method, device state detecting server, device state detecting system, liver abnormality detecting device, liver abnormality detecting system, liver abnormality detecting method, and device state d

A technology for equipment status and detection devices, which can be applied to measurement devices, billing equipment, power-consuming devices, etc., can solve problems such as refusing to use devices, and achieve the effects of improving reliability, ensuring safety, and reducing wasteful use of energy.

Active Publication Date: 2011-02-23
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the method of attaching some kind of sensor to the living person, there is a problem that the living person feels the pressure of being monitored, and as a result refuses to use the device due to resentment, etc.

Method used

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  • Device state detecting device, device state detecting method, device state detecting server, device state detecting system, liver abnormality detecting device, liver abnormality detecting system, liver abnormality detecting method, and device state d
  • Device state detecting device, device state detecting method, device state detecting server, device state detecting system, liver abnormality detecting device, liver abnormality detecting system, liver abnormality detecting method, and device state d
  • Device state detecting device, device state detecting method, device state detecting server, device state detecting system, liver abnormality detecting device, liver abnormality detecting system, liver abnormality detecting method, and device state d

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0077] figure 1 It is a schematic system configuration diagram of a home environment in which the device state detection device 100 according to Embodiment 1 of the present invention is installed. Such as figure 1 As shown, the device state detection device 100 is connected to the measurement device 300 and the life behavior estimation device 400.

[0078] The measuring device 300 is a device for measuring the current of the power supply port of the power line 301, and for example, a current sensor is used. The measuring device 300 is installed in an upstream portion of an extension cord (cord) such as a power supply port of the power line 301 or a station tap or an OA tap.

[0079] The device state detection device 100 detects the device state in the home based on the measurement result of the measurement device 300, and the detected device state is output to the life behavior estimation device 400.

[0080] The life behavior estimation device 400 is a device for estimating the l...

Embodiment approach 2

[0141] In the second embodiment, a calculation method of the feature amount 121a by the feature amount calculation unit 120 will be described. Further elaborate on the Figure 5 Step S603 in. In addition, figure 1 The system structure shown, figure 2 The configurations of the device state detection device 100 and the life behavior estimation device 400 shown are the same as those of the first embodiment, so the description is omitted.

[0142] Figure 7 It is a schematic diagram showing a feature amount calculation method performed by the feature amount calculation unit 120.

[0143] in Figure 7 In (A), the measured value 112a is the measured value of the current measured by the measuring unit 110. When the feature quantity calculation unit 120 receives the measurement value 112a, it calculates the weighted average of the window width 2 for each measurement value 112a-11, 112a-12,...112a-1n constituting the measurement value 112a, and uses this value as the measurement value T...

Embodiment approach 3

[0159] In the third embodiment, a search operation when the device state detection unit 130 searches the reference device entry dictionary 200 will be described. Further elaborate on the Figure 5 Shown in step S605. In addition, figure 1 The system structure shown, figure 2 The configurations of the device state detection device 100 and the life behavior estimation device 400 shown are the same as those of the first embodiment, so the description is omitted.

[0160] In the third embodiment, when the device state detection unit 130 searches the reference device item dictionary 200, it uses an index such as the degree of match of the feature amount to indicate the degree of match between the feature amount item 122 and the reference device item 201. Then, based on the degree of agreement of the feature quantity, it is determined whether or not there is agreement.

[0161] By calculating the difference between the feature amount 122a of the feature amount entry 122 and the value ...

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Abstract

Provided is a device state detecting device hardly requiring a liver to learn a combination of the operating states of all the devices at home and producing few estimation errors even if an unknown device operates. The device state detecting device includes a measuring means (110) for measuring physical quantities of the environment where devices are placed, a feature value calculating means (120) for calculating the feature values of the values measured by the measuring means (110), a storage means (140) for previously storing the feature values of the respective devices and the device states corresponding to the feature values as a reference device entry dictionary (200), and a device state detecting means (130) for searching the reference device entry dictionary (200) for a stored feature value by using the feature value calculated by the feature value calculating means (120) as a search key, and for detecting the device state according to the device state corresponding to the feature value searched for.

Description

Technical field [0001] The present invention relates to an equipment state detection device, an equipment state detection method, an equipment state detection server and an equipment state detection system that detect the operating state of equipment, a living person anomaly detection device that detects abnormalities of a living person in a residence, and a living person Anomaly detection system, living person anomaly detection method, and equipment status database maintenance server. Background technique [0002] In recent years, with the spread of home network technology, proposals have been made to estimate the operating state of electrical equipment connected in the home. For example, as a technology aimed at "the operating state of electrical equipment including inverter equipment can be estimated by a non-intrusive method", the following device is proposed: "Equipped with: a feeder inlet installed in a home requiring electricity A measurement sensor in the vicinity; a dat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R21/00G08B25/04G01R11/00
CPCG08B21/0484Y04S20/32G01D4/002G08B21/0423Y04S20/242Y02B90/241Y02B70/3266G01R31/2825Y02B70/30Y02B90/20Y04S20/30
Inventor 胜仓真中田成宪久代纪之黑岩丈瑠樋熊利康樋原直之伊藤善朗
Owner MITSUBISHI ELECTRIC CORP
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