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Showing papers by "Velagapudi Ramakrishna Siddhartha Engineering College published in 1990"

Journal Article•DOI•
Singular perturbation method applied to the closed-loop discrete optimal control problem

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M. S. Krishnarayalu1•
Velagapudi Ramakrishna Siddhartha Engineering College1
04 Jan 1990-Optimal Control Applications & Methods
TL;DR: In this article, an improved singular perturbation method for the singularly perturbed, closed-loop discrete optimal control problem with two terminal boundary layer correction series is presented, which is a special case of our method.
Abstract: An improved singular perturbation method for the singularly perturbed, closed-loop discrete optimal control problem with two terminal boundary layer correction series is presented.

7 citations

Journal Article•DOI•
Dielectric properties of cobalt mercuric chloride tetrahydrate single crystals at room temperature

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S. Sreehari Sastry1, G. Satyanandam1, T. F. Sundar Raj2, W.B. Westphal3•
Acharya Nagarjuna University1, Velagapudi Ramakrishna Siddhartha Engineering College2, Massachusetts Institute of Technology3
01 Nov 1990-Materials Letters
TL;DR: In this article, the variation of dielectric permittivity and loss along the three crystallographic directions as a function of frequency (20 Hz to 8.5 GHz) at room temperature for a solution grown single crystal of cobalt mercuric chloride tetrahydrate (CoHgCl 4.4H 2 O).

4 citations