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Small Business Innovation Research/Small Business Tech Transfer

Smart Low-Cost Electronic Module for Simultaneous Sensor and Process Faults Moni, Phase I

Completed Technology Project

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Smart Low-Cost Electronic Module for Simultaneous Sensor and Process Faults Moni, Phase I
The detection and isolation of air vehicle process failures is difficult because air vehicle dynamics are nonlinear and the vehicle has many important and complicated sub-systems. The fault diagnosis performance is further complicated by the presence of sensor failures. In this proposal, Intelligent Automation, Incorporated (IAI) proposes a novel approach to perform simultaneous diagnosis of sensor and process faults for air vehicles. This algorithm can be embedded into low cost electronics. First, two independent residual vectors (RVs) for detection and isolation of the sensor and process faults are built. This is in sharp contrast to conventional methods, which can deal with either sensor failures or process failures but never both. Second, to isolate faults, the RV is transformed into a set of structured residual vectors (SRVs), where one SRV is made insensitive to a specified subset of faults, while remaining sensitive to other faults. The proposed technology is relevant to this subtopic because we will develop an electronic module that can be embedded in low cost sensor electronics to quickly identify both sensor and process faults. More »

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This is a historic project that was completed before the creation of TechPort on October 1, 2012. Available data has been included. This record may contain less data than currently active projects.