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Allahabad, India

Motilal Nehru National Institute of Technology Allahabad , formerly Motilal Nehru Regional Engineering College , is a public higher education institute located in Allahabad, Uttar Pradesh, India. It is one of the National Institutes of Technology, and like the rest of them, classified as an Institute of National Importance.In the survey carried out by ET Now-Economic Times jointly, MNNIT Allahabad was declared as the best engineering institution of North India and ranked No.1 in overall ranking. It is also ranked 3rd in all 30 NIT's, and no. 1 NIT of North India. The college has distinction of being first in the country to start an undergraduate programme in Computer Science & Engineering in 1976-77. Wikipedia.


Kar H.,Motilal Nehru National Institute of Technology
Digital Signal Processing: A Review Journal | Year: 2010

A novel criterion for the global asymptotic stability of two-dimensional (2-D) discrete systems described by the Roesser model employing saturation arithmetic is presented. The criterion is compared with previously reported criteria. Numerical examples showing the effectiveness of the present criterion are given. © 2010 Elsevier Inc. All rights reserved.


Kar H.,Motilal Nehru National Institute of Technology
Signal Processing | Year: 2011

A novel criterion for the global asymptotic stability of fixed-point state-space digital filters under various combinations of quantization and overflow nonlinearities is presented. The criterion is compared with a previously reported criterion. © 2011 Elsevier B.V. All rights reserved.


Gupta R.,Motilal Nehru National Institute of Technology
IEEE Transactions on Power Electronics | Year: 2012

In this paper, a generalized frequency domain method is proposed to obtain the switching frequency formulation for hysteresis current controlled voltage source inverter (VSI)-based shunt compensator. The formulation obtained from the high-frequency model based on the Tsypkin's method explicitly shows the relation between the maximum switching frequency with the system and design parameters. The shunt compensator has been used for the load compensation in a distribution system for both weak and strong feeder supplying a nonlinear load. The maximum switching frequency has been shown related with hysteresis bandwidth and parameters of the VSI, feeder, and load of the distribution system. It is shown that the feeder and load reactance has a significant effect in determining the maximum switching frequency for the weak feeder distribution systems. However, the maximum switching frequency is mainly dependent upon the shunt compensator parameters for strong feeder distribution systems. The minimum switching frequency in general depends upon the modulation depth of the VSI. The results are verified using as power systems CAD (PSCAD) simulation studies for single-phase load compensation. A laboratory model distribution system has been used for the experimental verification. © 2006 IEEE.


A recently reported criterion [Singh V. (2010). Modified criterion for global asymptotic stability of fixed-point state-space digital filters using two's complement arithmetic. Automatica, 46, 475478], which is a modified version of an earlier criterion due to MillsMullisRoberts, for the global asymptotic stability of fixed-point state-space digital filters with two's complement arithmetic is reviewed. Pertaining to second-order digital filters, it is shown that Singh's approach will never lead to a larger overflow stability region in the parameter space as compared to that obtainable via MillsMullisRoberts criterion. © 2010 Elsevier Ltd. All rights reserved.


Kar H.,Motilal Nehru National Institute of Technology
Signal Processing | Year: 2012

A new criterion for the global asymptotic stability of two-dimensional (2-D) state-space digital filters described by the Roesser model employing twos complement overflow arithmetic is presented. The criterion is compared with a previously reported criterion. © 2012 Elsevier B.V. All rights reserved.

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