Sensor information fuse device and method

A fusion device and sensor technology, applied in the field of information processing, can solve problems such as poor algorithm configuration effect and complex sensor information fusion system, and achieve the effect of eliminating environmental interference signals, optimizing sensor data, and matching reasonably

Inactive Publication Date: 2009-05-27
FUJIAN SUNNADA COMM
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Problems solved by technology

[0007] In order to solve the technical defects of the existing IIF-based sensor information fusion system that is too complex and the algorithm configuration effect is not good, resulting in lo

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  • Sensor information fuse device and method
  • Sensor information fuse device and method

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Please refer to figure 1 , is a functional block diagram of an embodiment of the sensor information fusion device of the present invention. The sensor information fusion device of the present invention includes a plurality of sensors, and the following elements:

[0020] An adaptive weighted data fusion unit is connected to the plurality of sensors, and adopts an adaptive weighted data fusion algorithm to assign corresponding weights to the sensing information from the plurality of sensors;

[0021] The Kalman filter unit is connected to the adaptive weighted data fusion unit, and the Kalman filter algorithm is used to optimally estimate the sensing information of the corresponding weights to obtain the locally fused sensing information;

[0022] The D-S reasoning unit is connected to the Kalman filter unit, and uses the D-S theory estimation a...

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Abstract

The invention discloses a device and a method for fusing sensor information. The sensor-information fusion method comprises the steps of adopting a self-adaptive weighted-data fusion algorithm to allocate corresponding weight numbers for induction information from a plurality of sensors, adopting a Kalman filtering algorithm to perform optimal estimation to the induction information of the corresponding weight numbers so as to acquire the locally fused induction information, adopting a D-S theory estimation algorithm to perform interval estimation to the uncertain induction information in the locally fused induction information, adopting a multi-Bayesian estimation algorithm to perform individual association probability distribution for the induction information after interval estimation so as to synthesize a joint posteriori probability distribution function, and utilizing the joint distribution function to output a final fusion value of the induction information. The invention has the advantages of improving the reliability, confidence and efficiency of sensor information fusion.

Description

technical field [0001] The present invention relates to the field of information processing, in particular to a sensor information fusion device and method based on IIF (Intelligent Information Fusion, intelligent information fusion). Background technique [0002] A sensor is a detection device that can feel the measured information, and can convert the detected information into electrical signals or other required forms of information output according to certain rules, so as to meet the needs of information transmission, processing, storage, display, recording and control requirements. [0003] With the rapid development of sensor technology and the emergence of a large number of multi-sensor systems, complex engineering systems have a large amount of sensing information about the environment and the dynamic process being detected. IIF is created for the problem of processing a large amount of complex sensory information. IIF is a comprehensive discipline about the best c...

Claims

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Application Information

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IPC IPC(8): G06K9/62
Inventor 林小泉
Owner FUJIAN SUNNADA COMM
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