Method for recognition of failure diagnosis parameter of real time electric circuit
A parameter identification and electronic circuit technology, applied in the field of real-time electronic circuit fault diagnosis parameter identification, can solve problems such as difficult circuit equations, few testable nodes, and time-consuming solution, and achieve shortened convergence time, improved convergence characteristics, and positioning accuracy. high effect
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[0019] The steps of the present invention will be described in detail below.
[0020] For a circuit to be diagnosed, first use the equivalent power supply for all component parameter increments of the electronic circuit to be tested e n = [ e 1 n , · · · , e n n ] T Instead, test the impedance matrix Z between the voltage of the measurable node and the current of the measurable node under the excitation of a single current source m m (m×m dimensional matrix), the mixed matrix H of the measurable node voltage to the equivalent power supply m (m×n dimension matrix), then apply current test excitation I m = ...
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