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01 Jan 2018TL;DR: Improved set-point tracking with smaller overshoot and enhanced load rejection recovery are ensured by the proposed MRAC-FPD controller, and Superiority of the proposedMRAC- FPD over conventional MRAC is substantiated through calculated values of performance indices.
Abstract: Controlling of time varying processes is not an easy task for conventional controllers with fixed tuning. This limitation can be overcome by employing adaptive controllers as they can modify their control policy according to the changes in process dynamics. In model reference adaptive control (MRAC), controller output depends on the difference between the current process output and the reference model output with a fixed adaptation gain. The desired specifications of the process output are provided as a reference process model. This paper deals with a fuzzy PD feedback based MRAC technique (MRAC-FPD designed for marginally stable processes with dead-time. Improved set-point tracking with smaller overshoot and enhanced load rejection recovery are ensured by the proposed MRAC-FPD controller. Superiority of the proposed MRAC-FPD over conventional MRAC is substantiated through calculated values of performance indices.
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TL;DR: In this paper, a general technique is proposed to reduce coupling length of optical couplers embedded in square latticed photonic crystals, which is achieved by engineering dispersion characteristics of coupled waveguide system with the introduction of an additional mode associated with special type of line defect.
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TL;DR: In this paper, the invex programming problem in Hilbert space was introduced and the requisite theory has been established to characterize the solution of such class of problems, which is the case of the problem we consider in this paper.
Abstract: In this paper we introduce the invex programming problem in Hilbert space. The requisite theory has been established to characterize the solution of such class of problems.
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15 Nov 2009TL;DR: Two new algorithms for GIS Mobile query (point-in-area function) are proposed that search the status of a given co-ordinate point with respect to an area.
Abstract: In this paper two new algorithms for GIS Mobile query (point-in-area function) are proposed. This algorithm search the status of a given co-ordinate point with respect to an area (described as a set of co-ordinates without any geometric relationship). In these algorithms computational complexity are reduced. One of the algorithms is much closed to the accuracy of exhaustive search.
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20 Nov 2014
TL;DR: Experimental results show that GA-based tuning and feature weighting scheme increases the performance of NPPC by ~ 2% in the problem of black tea quality prediction.
Abstract: Electronic nose (e-nose) is an artificial olfaction system that is being widely used in many industries. E-noses detect smells with the help of electronic signals produced by a number of sensors. The important part of an efficient e-nose system is to recognize these electronic signals accurately by some pattern classification algorithm. Recently developed nonparallel plane proximal classifier (NPPC) has shown its effectiveness in pattern classification task using kernel trick. In general the performance of such classifier depends on the values of optimal parameter set as well as the feature set. In this research work we have studied the effect of simultaneous parameter and feature weight selection on the accuracy of black tea quality estimation employing multiclass one vs. one NPPC. In order to choose the model parameters we have used genetic algorithm (GA). Experimental results show that GA-based tuning and feature weighting scheme increases the performance of NPPC by ∼ 2% in the problem of black tea quality prediction.
Authors
Showing all 581 results
Name | H-index | Papers | Citations |
---|---|---|---|
Debnath Bhattacharyya | 39 | 578 | 6867 |
Samiran Mitra | 38 | 198 | 5108 |
Dipankar Chakravorty | 35 | 369 | 5288 |
S. Saha Ray | 34 | 217 | 3888 |
Tai-hoon Kim | 33 | 526 | 4974 |
Anindya Sen | 29 | 109 | 3472 |
Ujjal Debnath | 29 | 335 | 3828 |
Anirban Mukhopadhyay | 29 | 169 | 3200 |
Avijit Ghosh | 28 | 121 | 2639 |
Mrinal K. Ghosh | 26 | 64 | 2243 |
Biswanath Bhunia | 23 | 75 | 1466 |
Jayati Datta | 23 | 55 | 1520 |
Nabarun Bhattacharyya | 23 | 136 | 1960 |
Pinaki Bhattacharya | 19 | 114 | 1193 |
Dwaipayan Sen | 18 | 71 | 1086 |