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Preprocessing data on sensor device

A sensor device, sensor technology, applied in instruments, simulators, signal transmission systems, etc., to achieve the effect of improving scalability, reducing data traffic, and reducing workload

Active Publication Date: 2007-08-08
SAP AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, an enterprise application might not be interested in individual temperature values, but might only be interested in higher-level events, such as a sudden temperature rise in a refrigeration unit,

Method used

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  • Preprocessing data on sensor device
  • Preprocessing data on sensor device
  • Preprocessing data on sensor device

Examples

Experimental program
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Embodiment Construction

[0017] An example block diagram of a system 100 is shown in FIG. 1 . Here, sensor device 102 is configured to generate sensor readings of physical properties and provide the information to application 104 in computer system 108 . For example, physical characteristics may include, but are not limited to, temperature, pressure, acceleration, or humidity readings. The sensor device 102 preprocesses the sensor data to determine whether at least one predefined condition associated with the application 104 is met. If the predefined conditions are fulfilled, the sensor device 102 forwards an event message, schematically shown by an arrow 109, for receipt by a specific application. The application program 104 includes one or more predefined actions 110 that are executed if the predefined conditions are met. For example, when the sensor device 102 senses a critical temperature, a predefined action in the application 104 may switch on a cooling system to reduce the temperature of the ...

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Abstract

A method of providing sensor-based information from a sensor device to an application program includes receiving, in a sensor device, sensor data obtained using a sensor. The method includes determining, in the sensor device , whether the sensor data meets a predefined condition associated with an application program in a computer system. If the sensor data meets the predefined condition, the method includes forwarding an event message associated with the predefined condition from the sensor device for receipt by the application program. A sensor device includes a sensor configured to make sensor readings of a physical characteristic, and a data processing component configured to forward, if the sensor data meets the predefined condition, an event message associated with the predefined condition for receipt by the application program. A system includes a computer system configured to execute an application program, a first sensor device and a second sensor device.

Description

technical field [0001] This specification deals with processing data on sensor devices. Background technique [0002] Systems already exist for integrating data collection devices, such as environmental devices or radio frequency identification (RFID) tag readers, with enterprise software applications that use the collected data. In such an integrated system, the processing of sensor data usually takes place at different system levels above the actual sensor device. For this reason, sensor devices always need to send all raw sensor data to the integrated system via some form of network. [0003] This requires considerable network resources to transmit the data, even if the data would be filtered out, for example, in the integrated system. This problem is exacerbated for environmental sensors, which, unlike RFID readers, typically emit a periodic stream of sensor readings, eg, once every n seconds. For example, temperature sensors typically emit a continuous stream of temp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/048G05B19/418G08C19/00
CPCG05B23/0221G05B23/0267
Inventor 克里斯托夫·博恩霍夫德阿苏曼·休恩比尔
Owner SAP AG
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