Institute of Infrastructure Technology

Ahmadābād, India

Institute of Infrastructure Technology

Ahmadābād, India
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Patel P.,Institute of Infrastructure Technology | Shandilya A.,Institute of Infrastructure Technology | Brahmbhatt N.,Institute of Infrastructure Technology | Raval K.,Institute of Infrastructure Technology | Deb D.,Institute of Infrastructure Technology
2015 International Conference on Smart Sensors and Systems, IC-SSS 2015 | Year: 2017

A comparative study of the resources involved in the Multiplication of two N-Bit binary numbers is performed using a Vedic Multiplication and the Modern Binary Multiplication techniques. A generic Vedic method for N × N Binary Multiplication is presented. From first principles, using logic gates, an N × N Binary Multiplication is performed using both the methods for different number of bits, using Transistor Transistor Logic (TTL) gates. It is found that the propagation delay encountered while using the Vedic Multiplication technique is lesser, more so when the size of multiplication is more. Additionally, Nikhilam Sutra is presented for Multiplication of large binary numbers close to a chosen base and comments are made as to how such Multiplication are effectively reduced to Multiplication of smaller numbers. © 2015 IEEE.

Deb D.,Institute of Infrastructure Technology | Patel M.,Institute of Infrastructure Technology | Singh H.,Institute of Infrastructure Technology
Proceedings of the IEEE International Conference on Industrial Technology | Year: 2017

Several factors affect the power generation efficiency of wind energy extracted from wind turbines. One of them is dust accumulation resulting in roughness of the blade surface and resulting in power loss. To overcome this problem, wind turbine blades need to be cleaned frequently. There are some existing techniques of cleaning but not very efficient and economically viable. In this paper, we have analyzed and discussed, an algorithm for fully automated wind turbine blade cleaning system with no downtime and thereby more economically efficient even over the semi-automated blade cleaning solutions available in literature. The proposed solution also does not use water jets unlike other existing solutions. © 2017 IEEE.

Babbar P.,Center for Solar Energy | Tiwari B.,Institute of Infrastructure Technology | Purohit B.,Center for Solar Energy | Ivanishchev A.,Skolkovo Innovation Center | And 2 more authors.
RSC Advances | Year: 2017

Li2MnSiO4 is a promising cathode material for lithium ion rechargeable batteries, however, synthesizing the desired crystallographic phase is challenging. We report the synthesis and electrochemical charge/discharge studies of carbon coated nanostructured Li2MnSiO4 in orthorhombic and monoclinic crystallographic phases. Li2MnSiO4 has been synthesized using solid state and sol-gel processes in bulk and nano-geometries without and with carbon coatings. The electrochemical performance of these Li2MnSiO4 samples was measured at a C/20 charge/discharge rate within 1.5-4.8 V voltage window. The first charge specific capacities are ∼290 mA h g-1 and ∼180 mA h g-1 for Li2MnSiO4 orthorhombic and monoclinic phase cathode materials. Charging-discharging of cells suggests that the degradation is lower for monoclinic Li2MnSiO4 cathode materials compared to that of orthorhombic Li2MnSiO4 cathode materials. This can be understood in terms of the relatively large electronic band gap and associated Jahn-Teller distortion observed in Li deficient Li2MnSiO4 materials, where Mn3+ intrinsically may lead to irreversible effective lithium insertion in distortion free starting Li2MnSiO4 materials for monoclinic materials. © 2017 The Royal Society of Chemistry.

Mehta A.J.,Institute of Infrastructure Technology | Naik B.B.,Institute of Infrastructure Technology
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems, PEDES 2014 | Year: 2014

This paper presents Adaptive Sliding Mode Controller with modified sliding function developed for DC-DC Boost Converter. The modification in the sliding function not only overcome the limitations of the conventional sliding mode but also improves the performance of the converter with an additional tuning parameter. The simulation results shows the efficacy of proposed adaptive sliding mode controller for DC-DC Boost Converter. © 2014 IEEE.

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