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A Linear Space Data Structure for Range LCP Queries

Ganguly A., Shah R., Patil M., Thankachan S. V.

Fundamenta Informaticae

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2018

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Vol. 163, nr 3

245--251

EN

Range LCP (longest common prefix) is an extension of the classical LCP problem and is defined as follows: Preprocess a string S[1...n] of n characters, such that whenever an interval [i; j] comes as a query, we can report max{LCP(Sp,Sq) i ≤ p < q ≤ j} Here LCP((Sp, Sq) is the longest common prefix of the suffixes of S starting at locations p and q, and LCP((Sp,Sq)) is its length. This problem was first addressed by Amir et al. [ISAAC, 2011]. They showed that the query can be answered in O(log log n) time using an O(n log 1+ε n) space data structure for an arbitrarily small constant ε > 0. In an attempt to reduce the space bound, they presented a linear space data structure of O(d log log n) query time, where d = (j - i + 1). In this paper, we present a new linear space data structure with an improved query time of O[formula].

2

An interference of High Frequency Series Resonant Inverter in domestic induction heater estimation in emission control using FEM

Chakraborty A., Royi D., Sadhu P. K., Ganguly A., Banerjee A.

Journal of Power Technologies

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2017

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Vol. 97, nr 4

283--288

EN

This work describes a new technology to calculate the magnetic field emission of a High Frequency Series Resonant Inverter in a domestic induction heater by means of computational simulations. The calculation is performed assuming normal operation conditions required to measure the magnetic field by means of a triple loop antenna. This triple loop antenna, also known as a van Veen & Bergervoet antenna, is generally employed to test compliance with emission regulations in the frequency range of band A and band B i.e. 5-55 kHz.

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A survey on high-frequency inverter and their power control techniques for induction heating applications

Kumar A., Sadhu M., Das N., Sadhu P. K., Roy D., Ganguly A.

Journal of Power Technologies

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2017

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Vol. 97, nr 3

201--213

EN

Intensive use of induction heating (IH) technology can be seen in many areas such as industrial, domestic and medical applications. The evolution of high-frequency switches has facilitated the design of high-frequency inverters, the key element of induction heating technology. Controling output power in a high-frequency inverter for induction heating application is complex. However, the importance of IH technology is not widespread. Induction heating technology requires accurate output power and current control with appropriate dynamics. Several power control techniques have been discussed inrelation to designing high-frequency inverters for IH applications. This paper makes a comprehensive review of the various power control techniques regarding high-frequency inverters for modern IH applications (domestic & industrial).