Advanced Research Publications: Technology Journals
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Movie Recommender System using Genetic Algorithm
Recommender systems have become extremely common in recent years, and are utilized in a variety of areas: some popular applications include movies, music, news, books, research articles, search queries, social tags, and products in general. Traditional recommendation techniques in recommender systems mainly use content based or collaborative filtering techniques. These systems only use the product ratings given by the users to predict/recommend new products or items to the user. They do not consider other attributes while generating recommendations for a user.This article describes a new recommendation system that uses genetic algorithm to learn about the preferences of the users and provides recommendations based on these preferences. This research uses Movie Lens (http://www.movielens.umn.edu) database and the genetic algorithm combines features (22) from different files present in the dataset. These features are then used to train the system. The 22 features are - movie rating, age, sex, occupation and 18 movie genres like action, adventure, animation, children, comedy, crime, documentary, drama, fantasy, film-noir, horror, musical, mystery, romance, sci-fi, thriller, war and western
Automatic Bottle Filling System Using Programmable Logic Controller
Till now there is a consistent problem of increasing crowd density at water filling areas at small places such as railway stations, bus stands etc. the use of large conveyer belts at local areas will obviously be largely expensive and also not practicable. The cleanliness of such areas becomes a huge issue. The wastage of water is an alarming challenge keeping along with the today’s water crisis. So the need of the hour is automation. With the introduction of most feasible and durable device like Programmable Logical Controller (PLCs), a disciplined and time bounded bottle filling system can be installed at numerous places. This real life problem has usually been neglected due to the unawareness of latest technologies. This system can be used with numerous modifications for the betterment of the general utilities
Li-Fi: A Brief Overview
Li-Fi stands for Light-Fidelity. The technology is very new and was proposed by the German physicist Harald Haas in 2011. Li-Fi provides transmission of data through illumination by sending data through an LED light bulb that varies in intensity faster than human eye can follow. In this article, we will discuss the technology in detail and also how Wi-Fi can be replaced by Li-Fi. Wi-Fi is useful for general wireless coverage within buildings while Li-Fi is ideal for high density wireless data coverage in confined areas where there are no obstacles. Li-Fi is a wireless optical networking technology that uses light emitting diodes (LEDs) for transmission of data. The term Li-Fi refers to visible light communication (VLC) technology that uses as medium to deliver high-speed communication in a manner similar to Wi-Fi. Li-Fi provides better bandwidth, efficiency, availability and security than Wi-Fi and has already achieved high speeds in the lab. In the present article we will do a detailed study on Li-Fi technology, its advantages and its future scope
Finite Element Method for the Electrical Scalar Helmholtz Field Modeling, in Application to 2.4 GHz Waveguide Cylindrical Antenna
Electrical scalar Helmholtz equation is necessary to understand the field behavior. The cylindrical antennas presenting cavities like waveguides are a major problem related to field prediction. We used finite element method to solve the Helmholtz equation governing the system. We imposed two kind of boundary conditions, first, Dirichlet boundary condition, and second, absorbing boundary condition. An adaptive shape mesh generation is also used. Finally numerical results are given. The polar plot of our cylindrical antenna has directional pattern. This antenna is directive.
Wireless Sensor Network and Its Various Routing Protocols - A Review
Wireless Sensor Network (WSN) are one of the most rapidly development techniques in next generation wireless networks. A wireless sensor network collection of several sensor nodes that are consist of sensor, analog to digital converter, memory, microcontroller, memory and battery and communicate through radio signals. Sensor nodes are composed of sensing, power, communication, computation as working units. Due to limited storage, energy and bandwidth are the main constraints. Our research article is based on the review of wireless sensor networks and various routing protocols. In this article, we also discussed architecture of wireless sensor network, their applications and routing protocols
Intelligent Insect Monitoring through Wireless Sensor Network: White Grub Detection
WSN is an emerging technology that has spread rapidly into various multidisciplinary fields. Recently, the agriculture and farming industry has diverted their attention to WSN, seeking this cost effective technology to improve its production and enhance agriculture yield standard. The issue of water, soil and pest can be solved by WSN (automatic monitoring) to increase profit, productivity and efficiency in agriculture. Based on the behavior of these insects pest, acoustic, image, odor, temperature, moisture and CO2 sensors and technologies are used for monitoring these insects below and above the soil, which serves to monitor the green house condition. CO2 sensor and moisture were utilized to detect (above a threshold value) and locate white grubs as soil pest with WSN technology. Acoustic detection can be used to estimate population of white grubs.
Studies of Parameters on Heat Transfer through Glazing System using Guarded Hot Plate Apparatus
Heat transfer through different modes from outside environment to inside occur by conduction, convection and thermal radiation. Inclusion of automatic-advance-generation-software; ‘WINDOW 6.3’ makes possible the detailed true picture of the impact of glazed material and its thickness/ pane spacing on its Thermal Transmittance.. This technique makes the user easy to understand thermal performance of glazing system without extensive knowledge of numerical methods of heat transfer. The U-value and solar heat gain coefficient are the key parameters to analyze heat transfer through window 6.3. Therefore, an attempt has been made to carry out the study to calculate U-value, solar heat gain coefficient of different glazing systems with varying thickness/pane spacing in prevailing seasons. Composite climate of Una persisting in different season was well defined. The U-value obtained from simulation were validated using the guarded hot plate apparatus After analysis the experimental results, it was concluded that the U-value and Solar Heat gain coefficient was noted maximum in single glazed window consists of 3mm thickness during the hot dry weather. The authors finally recommended Double-glazed windows with 19mm pane spacing to be preferably used in Una regio
Performance Evaluation of Energy Efficient Protocol Based on ACO and Compressive Sensing
Through fast improvements in wireless communications, energy efficiency has recently turned out to be the primary issue in wireless sensor networks. Therefore, energy conservation and balancing of energy dissipation become more challenging problem to improve the lifetime of sensor devices. The hybridization of clustering and tree based aggregation for sensor networks have been found to be a proficient way to enhance the network lifetime. Captivating motivation from nature-inspired optimization; this research work proposes an ACCGP protocol which utilizes clustering, Ant Colony Optimization (ACO) based routing and compressive sensing for wireless sensor networks that decomposes the sensor network into numerous segments called clusters, and cluster heads. Then, ACO based data aggregation comes in action and collects sensing information directly from cluster heads by utilizing short distance communications. The compressive sensing reduces the amount of data and transfers it to sensor network. The simulation analysis shows that the ACCGP protocol considerably enhances network lifetime by conserving the energy in the more efficient manner than other protocols at present deployed for sensor network
Evaluation of Safety Gloves from Goat, Cow and Synthetic Leathers made in Pakistan
This technical study deals with the experimental evaluation of four different leather safety gloves, collected from different exporters. The test samples were prepared and tested according to the standard test methods EN-388 and EN 420. The samples for EN388 were subjected to four physical tests; puncture resistance (N), abrasion resistance (cycles), tear resistance (N) and blade cut resistance while for EN 420; sizing (mm), dexterity (level), water vapour transmission (mg/cm2.h),water vapour absorption (mg/cm2), pH and chromium hexavalent (ppm). The results revealed that the performance levels of all goat leather and cow leather gloves were higher than basic requirement while chromium hexavalent was not detected in all samples proving them safe materials.
Mesh Networking Routing Techniques
Mesh Networking is based on routing techniques originally developed for battlefield communications. By pushing intelligence decision making to the edge of network, high performance and scalable networks can be built at very low cost. Mesh networking play an important role in the wireless community. It promises self-healing, multi-hop networking capability that lowers node costs and power consumption, and increase reliability in a real-world noisy environment.