Heritage Institute of Technology

About: Heritage Institute of Technology is a based out in . It is known for research contribution in the topics: Support vector machine & Transconductance. The organization has 581 authors who have published 1045 publications receiving 8345 citations.

Transmission line model for analysis of microstrip travelling wave antennas with right angled bends

Abstract: A simple but accurate transmission line model for the analysis of microstrip travelling wave antennas based on microstrip lines and right angle bends is described. Radiated far fields from the antenna are calculated using magnetic current on the antenna sidewalls and electric current on the strip surface. Local reflections from the right angle discontinuity are considered in internal field calculations. An equivalent decay constant to accommodate the radiated power from the antenna is introduced which is iteratively computed to improve impedance and radiation characteristics calculated by the model. Total power lost in the line due to this equivalent decay constant is equal to the total power radiated from the antenna. A rampart line antenna having three unit cells is fabricated in the C band and the results from the model are compared with those from full wave MoM simulations and practical measurement with good agreement. This simple yet accurate model would be valuable in computer aided design for optimal microstrip line based antennas with minimal computational resources.

Modeling, simulation and comparative study of new compound alloy based P-I-N solar cells - An efficient way of energy management

Abstract: This work is concentrated on developing a model of PIN solar cell with some III–V compound material. Two new compound materials are used in this solar cell. One of them consists of Gallium Indium Phospide (GaInP) and Aluminium (Al), which reached the band-gap energy of 4.30eV with an absorption coefficient of 1.69e-4 cm−1. Another one consists of Gallium Arsenide (GaAs) and Aluminium (Al), reaching a band gap energy (Eg) of 4.6 eV and absorption coefficient of 1.81e-4 cm−1. As the band gap energy of the material is increased, the material can absorb more photon energy from the optical source and can convert the optical energy into electrical energy more efficiently. The new modeled PIN solar cell made of AlGaInP/AlGaAs has been developed in SILVACO TCAD which is a virtual fabrication and simulation lab. The cell has achieved the conversion efficiency of 51.50% with a Fill Factor (FF) of 91% under the AM1.5 illumination (1000 suns)

A Hidden Markov Model and Internet of Things Hybrid Based Smart Women Safety Device

Abstract: Smart technologies for women safety are gaining popularity over the last few decades. Several nefarious approaches to women that outraged the entire nation awakened the scientists globally to design smart apps for women safety. This paper proposes a concept of a multivariate security paradigm for women under possible offensive threats by deep sensing approaches. Internet of Things (IOT) based platform provides dexterity and dynamicity in correlating a plethora of sensors and actuators to ensure women safety. Hidden Markov Models (HMM) offer scope for better predictive analysis for its dynamic probabilistic nature and helped us developing a dense sensing approach based on traces of suspicious activities. There is a situation-based analysis for relative modelling based on face recognition as well as fuzzy labeling of verbal conversations. If an emergency situation is triggered, a GSM/GP module will generate emergency in case of after-shock otherwise will warn the female device bearer. The results of experimentations proved to be really promising with an accuracy of 94.7%.

Handwritten Signature Authentication Using Statistical Estimation

Abstract: In this paper we propose a new handwritten signature authentication scheme. The scheme consists of two main rule set algorithms and one authentication algorithm. The Algorithms are based on extensive statistical analysis, Mean variance and theory of estimation. This is an extension work of handwritten signature identification. This scheme supports the application environment and we strongly believe that "user authentication" could be a solid platform for future research and study.

Performance Profile of a Hybrid Heuristic Search Technique Using Graph Coloring as a Seed Example

Abstract: Design and analysis of new algorithms are ever going phenomena in life of computer scientists. NP problems are attracting designers to design both heuristic and approximate algorithms that can result in better optimal and time-space efficient algorithms. Here, we have designed a memetic algorithm (also known as metaheuristic or hybrid heuristic), for optimal vertex coloring of a simple, symmetric and connected graph. Other than various uses, the problem has a perfume of efficient algorithm design in large-scale test graph. The earlier works, though encouraging, could not draw a conclusion that is deterministic. This paper is an essay towards further information in this area. Our work is progressing, but we don't know whether better players are needed for final bet through in this particular algorithm design.