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http://dx.doi.org/10.12673/jant.2018.22.2.64

Correction Method of High-precision Signal for Aircraft Automatic Test Equipment Using Least Squares Method  

Lee, Seong-woo (Avionics R&D Lab, LIG Nex1)
Kim, Dong-hyouk (Avionics R&D Lab, LIG Nex1)
Kim, Seong-woo (Avionics R&D Lab, LIG Nex1)
Seo, Min-gi (Avionics R&D Lab, LIG Nex1)
Lee, Cheol-hoon (Department of Computer Engineering, Chungnam National University)
Publication Information
Journal of Advanced Navigation Technology / v.22, no.2, 2018 , pp. 64-69 More about this Journal
Abstract
Automatic test equipment for field maintenance of aircraft mounted equipment is effective for integrated design when operating a small number of aircraft for special purposes. The integrated automatic test equipment identifies commonly used interfaces and is used for branching or generating routes for each unit under test specific inspection. High-precision signals such as RTD, TC, and analog voltage can cause measurement errors due to conduction resistance during signal branching and connection when generating branches and paths. The measurement error caused by the resistance of the wire leads to a lot of restrictions in designing the equipment to be inspected. In this paper, we propose a method of calibrating highly accurate signals of an integrated automatic inspection equipment that minimizes measurement errors of analog voltage and high - precision signals.
Keywords
Automatic test equipment; Correction; RTD; TC; Unit under test;
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