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Case study of the predictive models used for stability improvement of the DC voltage reference source

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4 Author(s)
Nancovska, I. ; Fac. of Electr. Eng., Ljubljana Univ., Slovenia ; Kranjec, P. ; Jeglic, A. ; Fefer, D.

The aim of this paper is to present a a typical application of predictive models for voltage correction in a high-precision solid-state DC voltage reference source (DCVRS). Several types of neural networks are trained until the invariant measures of dynamics, such as correlation dimension and leading Lyapunov exponent of the predicted signals, reach the values of the same invariant measures of the original signals. The predictive models are used as a segment in the software-controlled voltage reference element (VRE). A control loop is implemented to reduce the interference sensitivity of the reference source which contributes to enhancement of the robustness of the system and thereby the stability of the reference voltage

Published in:
Instrumentation and Measurement, IEEE Transactions on  (Volume:47 ,  Issue: 6 )

Date of Publication: Dec 1998

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