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Search Results: 1 - 10 of 320 matches for " Manohar Mariapan "
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Theoretical and Empirical Researches in Urban Management , 2009,
Abstract: The purpose of this research is to identify and understand vandalism issues that occur in the selected case study site as well as to determine characteristics of the surrounding landscape associated with vandalism hotspots, and to justify safe environments in park areas. Questionnaire survey was conducted and specifically studies an urban park in the city of Shah Alam in the state of Selangor, Malaysia. The research indicated that people perceived vandalism to occur because of the opportunities provided by the surroundings, user behaviour, lack of security and enforcement, lack of maintenance and inspection, location and design of the facilities, and the materials used for such facilities. This research is very important because there is no other known research about perceptions of vandalism from Malaysian local park visitors’ point of view, it should help planners, park designers and park managers in local or city councils in Malaysia, as well as the general public, to understand and expand their knowledge of vandalism in urban parks.
Using Analytical Hierarchy Process (AHP) for Prioritizing and Ranking of Ecological Indicators for Monitoring Sustainability of Ecotourism in Northern Forest, Iran
Godratollah Barzekar,Azlizam Aziz,Manohar Mariapan,Mohd Hasmadi Ismail
Ecologia Balkanica , 2011,
Abstract: Ecotourism has been identified as a form of sustainable tourism which is expected to contribute to both conservation and development. Unfortunately, due to inadequate environmental assessment, many ecotourism destinations tend to be both hazardous and self-destructive. Indicators are an important tool to provide a means toward sustainability. Among all different aspects of indicators, ecological indicators are significant for monitoring and evaluating sustainable management of ecotourism. In this study criteria and indicators were identified by using the Delphi approach through an expert panel from different fields. At the end of the process, a consensus of 9 criteria and 61 indicators was reached. For prioritization and ranking the Analytical Hierarchy Process (AHP) and Expert choice software was used. The 9 criteria include identified: 1-Conservation of Natural resources & biodiversity; 2-Maintenance of sceneries ,natural &physical features; 3-Conservation of soil & water resources; 4-Maintenance of heritage & cultural diversity; 5-existence of legal, institution, legislation and policy frameworks for empowering Ecotourism; 6-promoting economic benefits & poverty alleviation; 7-Educational affairs and public awareness 8-Maintenance of hygiene& tourist safety; 9-Tourists & local people satisfaction. The results showed that, out of the 9 criteria, the first three, which we labeled as Ecological criteria and comprised 21 indicators, stood as the top highest priority. We also continued the ranking of indicators with related criterion and then all of the indicators were ranked and prioritized by AHP method and using of expert choice software.
Attractiveness of Recreational Forests: An Overview on Selected Researches
NurHafizah Idris,Azlizam Aziz,Manohar Mariapan,Mazlina Jamaludin
International Journal of Independent Research Studies , 2013,
Abstract: The purpose of this study is to discuss the challenges and potentials for transforming recreational forests in Peninsular Malaysia as viable ecotourism destination. The selected research and articles of recreational forest were accumulated in determining the lack and weakness of the forest. In fact, recreational forests have the potential to be developed and marketed as ecotourism destinations since our forests are endowed with diverse flora and fauna, as well as other natural destinations. Some of the recreational forests really famous but some are seems to have no visitors. Several challenges are also noted in this paper which needs to be addressed before the potential can be translated into a real tourism product. This include the lack of competence pool of personnel to carryout tasks necessary to receive visitors, lack of maintenance of current facilities, lack of structured programming of ecotourism activities and the non-existence of a concerted efforts in properly developed the recreational forests as a ecotourism destinations. Once such issues are addressed, recreational forests can help to diversify and adding a unique dimension into our ecotourism and outdoor recreation sector.
Journal of Sustainability Science and Management , 2009,
Abstract: Remote sensing application of hyperspectral imaging is relatively new to Malaysian forestry. Through a wide range of wavelengths of hyperspectral data, precise and narrow bands of spectra are captured. Airborne sensors typically offer greatly enhanced spatial and spectral resolution compared to their satellite counterparts, and are able to control experimental design closely during image acquisition. Hyperspectral imaging for forest inventory in Malaysia was first conducted by The Centre for Precision Agriculture and Bioresource Remote Sensing of Institute of Bioscience, Universiti Putra Malaysia (UPM). The study which was conducted in 2001 used the AISA sensor manufactured in Finland. The main objective was to develop methods that are directly suited for practical tropical forestry application at high level of accuracy. Forest inventory and tree classification including development of single spectral signatures are of important interest. Studies have shown that retrieval of timber volume and tree discrimination using this system is successful and is often better than other remote sensing methods. This article reviews the research and application of airborne hyperspectral remote sensing for forest survey and assessment in Malaysia.
Dielectric Behaviour of Pure and Dye Doped Nematic Liquid Crystal BKS/B07  [PDF]
Rajiv Manohar, Shashwati Manohar, V. S. Chandel
Materials Sciences and Applications (MSA) , 2011, DOI: 10.4236/msa.2011.27114
Abstract: The dielectric properties of pure nematic liquid crystal (BKS/B07) and dye doped (Rhodamine B and Anthraquinone) nematic liquid crystal have been investigated in a wide frequency range of 1 kHz to 10 MHz through the dielectric spectroscopic method at varying temperature. In addition to this optical transmittance and textures of the samples have also been observed with a polarizing microscope.
An Electrothermal Model Based Adaptive Control of Resistance Spot Welding Process  [PDF]
Ziyad Kas, Manohar Das
Intelligent Control and Automation (ICA) , 2015, DOI: 10.4236/ica.2015.62014
Abstract: Resistance Spot Welding (RSW) is a process commonly used for joining a stack of two or three metal sheets at desired spots. The weld is accomplished by holding the metallic workpieces together by applying pressure through the tips of a pair of electrodes and then passing a strong electric current for a short duration. Inconsistent weld and insufficient nugget size are some of the common problems associated with RSW. To overcome these problems, a new adaptive control scheme is proposed in this paper. It is based on an electrothermal dynamical model of the RSW process, and utilizes the principle of adaptive one-step-ahead control. It is basically a tracking controller that adjusts the weld current continuously to make sure that the temperature of the workpieces or the weld nugget tracks a desired reference temperature profile. The proposed control scheme is expected to reduce energy consumption by 5% or more per weld, which can result in significant energy savings for any application requiring a high volume of spot welds. The design steps are discussed in details. Also, results of some simulation studies are presented.
Manohar Srinivasan,Revathi Manohar
Indian Journal of Computer Science and Engineering , 2012,
Abstract: The objective of this study is to propose user control system that definitely increases the performance of realtime data service. However the most existing work on this RTDB was based on very critical closed loop control system. To overcome this problem we design a system called user control database model which stimulate theoverload transaction during run time. We also design quality of service scheme and it allows to setting requirements for QOS transaction. The performance of proposed algorithm evaluated in different experiments. So the proposed system will definitely satisfies our needs even critical conditions like overload or run-timeerrors.
A Stable Energy Saving Adaptive Control Scheme for Building Heating and Cooling Systems  [PDF]
Sumera I. Chaudhry, Manohar Das
Journal of Power and Energy Engineering (JPEE) , 2014, DOI: 10.4236/jpee.2014.25002

This paper presents a stable, nonlinear, adaptive control scheme for building heating and cooling systems. The proposed controller utilizes the principle of adaptive one step ahead control and aims at reducing the energy consumed for heating or cooling a building. The design steps are discussed in details and a proof of global stability is also provided. Also, the performance of the proposed controller is demonstrated on a simulated building thermal model.

Lifetime Enhancement of Cluster Based Wireless Sensor Network through Energy Efficient MAC Protocol  [PDF]
B. Priya, S. Solai Manohar
Circuits and Systems (CS) , 2016, DOI: 10.4236/cs.2016.79200
Abstract: The efficient use of energy is an important performance metric to extend the lifetime of wireless sensor networks. Since major energy consumption of node is due to its transceiver, the design of MAC protocol plays a vital role in sensor network design. In cluster based sensor networks, due to the different functions of member node and cluster head node, the usage of common MAC protocol results increased energy consumption. To overcome this problem, a novel energy efficient hybrid MAC protocol (EEHMAC) for cluster based wireless sensor networks is proposed in this paper. The proposed EEHMAC protocol uses E-TDMA (Energy efficient TDMA) for intra-cluster communication and FDMA (Frequency Division Multiple Access) for inter-cluster communication. IDS (Iterative Deepening Search) based Scheduling algorithm is used for assigning time slot and frequency slot to nodes. Nodes in EEHMAC follow the periodic duty cycle, which reduces the idle listening, and overhearing problems. Simulation results reveal that an average of 18% energy saving is achieved compared to LEACH (Low Energy Adaptive Clustered Hierarchy) protocol and 10% energy is saved in comparison with GH-MAC (Graph theory based Hybrid MAC) protocol. It is evident that delay of EEHMAC is reduced by 17% and throughput is increased by 15% under all traffic conditions. These results demonstrate that EEHMAC performs better than existing MAC protocols in terms of energy efficiency, delay and throughput.
Homology modelling and insilico analysis of neuraminidase protein in H1N1 Influenza A virus
Manohar, Abhilash;
Brazilian Archives of Biology and Technology , 2011, DOI: 10.1590/S1516-89132011000100003
Abstract: in this work, modelling of neuraminidase protein of influenza a virus (a/himeji/1/2009(h1n1)) neuraminidase (na) protein was done using modeller 9v2. modelled structure was submitted to protein model database and could be downloaded using accession number pm0075830. the modelled protein structure was subjected to in silco analysis using various bioinformatics tools. two anti-influenza drugs currently being used to treat infected patients are oseltamivir (tamiflu) and zanamivir (relenza), both of which target the neuraminidase enzyme of the virus. reports of the emergence of drug resistance make the development of new anti-influenza molecules a priority. hence the modelled structure of h1ni neuraminidase could be very useful for in silico analysis of potential neuraminidase inhibitors.
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