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Search Results: 1 - 10 of 198068 matches for " N. Sugandhi "
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Analysis of Various Deterioration Factors of Data Aggregation in Wireless Sensor Networks
N.Sugandhi,D.Manivannan
International Journal of Engineering and Technology , 2013,
Abstract: In embedded systems, wireless sensor network is the interesting field which provides various applications such as battlefield surveillance, disaster management, habitat monitoring, home automation, health caresystems etc. Wireless sensor network (WSN) handles a huge number of tiny, cost effective, low powered, autonomous devices called sensor nodes which can perform sensing, processing and communicating operations. WSN has many constraints like energy utilization, limited memory and power consumption. Data aggregation is an intelligent technique which accumulates data from disparate sources by usingvarious aggregation techniques. One of the crucial techniques in WSN is data aggregation which greatly increases the energy efficiency and network lifetime by reducing the number of data transmissions. Toperform data aggregation in an efficient manner, there are lot of issues are to be considered. In this paper several issues related with data aggregation are discussed and comparisons of various design issues of various data aggregation protocols are also addressed.
Dynamic Key Management Scheme for HWSN Using Efficient Pair Wise Key Distribution Technique
N. Sugandhi,S. Mirdula,D. Manivannan,R. Ranjini
Journal of Artificial Intelligence , 2012,
Abstract: Wireless Sensor Network (WSN) is the well growing technology in the fields of defence, industrial automation, building automation, environmental forecasting, asset management, health care etc. In WSN, each and every node should be secured and this security is achieved by secure group communication. There are many key management techniques used to implement group communication in a secured manner but the key distribution is always being an issue in WSN because of limited capabilities and vulnerable nature of WSN. The proposed WSN totally uses three sort of keys namely Master key, session key and pair wise keys for secured communication are used in WSN. The main goal is to provide secured node to node communication by using efficient pair wise keying mechanism and it uses secret code for secure communication. It provides the better robustness, authentication and more security. The proposed WSN architecture has two hierarchy layers known as H end and L end sensor layers in a cluster. Secured communication between Low end node (L) to Low end node (L) and High end node (H) to High end node (H) follows efficient pair wise keying mechanism. To establish secured communication between Low end node (L) to High end node (H) and Cluster Head (CH) to Cluster Head (CH), new node key should be established before establishing pair wise keying mechanism. Master key is established for the broadcasting of Base Station (BS) to all other nodes. In performance analysis, computation, communication and storage cost are calculated and analysed.
Optimization of Friction Surfacing Process Parameters for AA1100 Aluminum Alloy Coating with Mild Steel Substrate Using Response Surface Methodology (RSM) Technique
sugandhi veerasamy,Ravisankar v
Modern Applied Science , 2012, DOI: 10.5539/mas.v6n2p69
Abstract: Friction surfacing was attempted with aluminum on a mild steel substrate. This paper focuses on the development of empirical relationship for the prediction of coating width, coating thickness of friction surfaced materials. Experimental part of the study is based on five level central composite designs of three process parameters. In order to investigate the effects of input parameters on coating width and coating thickness, an empirical relationship is constructed by multiple regression analysis. Optimization of the model is carried out to study the coating width and thickness using design-expert software. Deposit geometry measurements for all the specimens space carried out and compared with the relative impact of input parameters on coating width and thickness in order to verify the measurement errors on the values of the uncertainty in estimated parameters. The results obtained show that the developed empirical relationship can be applied to estimate the effectiveness of process parameters for a given coating width and thickness.
Pediatric AIDS in the Elimination Agenda
Scott E. Kellerman ,Nandita Sugandhi
PLOS Medicine , 2013, DOI: 10.1371/journal.pmed.1001503
Abstract:
Semi Automatic Ontology Based Bilingual Information Retrieval System (Pilgrimage Tourism in South India)
S. Saraswathi,Jemibha P,Sugandhi M,Mathimozhi M
International Journal of Intelligent Systems and Applications , 2012,
Abstract: This paper focuses on the construction of a Semi Automatic Ontological tree in the domain of Pilgrimage Tourism in South India for the purpose of enhancing the efficiency in the online Information Retrieval. The proposed system uses two languages Tamil and English for the input query and document retrieval. The user can pose the query in either Tamil or English and the resultant document will be displayed in the query language. In order to retrieve more relevant documents, a semi-automatic Ontology tree has been constructed. The semi automatic ontological tree uses only the English language. Machine Translation approach is used to translate the retrieved result to the language that of the user’s query. Our system produces the better results for the simple user’s query about Pilgrimage Tourism in South India for which the answers could be retrieved from the updated semi automatic ontological tree itself.
Dermatoses among paddy field workers - A descriptive, cross-sectional pilot study
Shenoi Shrutakirthi,Davis Suraj,Rao Sugandhi,Rao Girija
Indian Journal of Dermatology, Venereology and Leprology , 2005,
Abstract: BACKGROUND: Paddy farming is one of the main occupations in coastal South India. Dermatological problems in paddy field workers have not received much attention. AIM : The purpose of this study was to study the dermatoses of the exposed parts of the body, viz. face, hands, and feet, in paddy field workers. METHODS: Three hundred and forty-one workers were questioned and clinical findings noted. Scrapings for bacterial and fungal examination were taken by random selection. RESULTS: Seventy-three per cent had work-related itching. Melasma was the commonest facial lesion (41.1%). The main problems on the hands were hyperkeratosis (26.4%), nail dystrophy (15.2%) and paronychia (8.8%). Common feet dermatoses included nail dystrophy (57.1%), pitted keratolysis (42.5%) and fissuring (23.5%). Common aerobic and anaerobic bacteria isolated from pitted keratolysis and intertrigo were Klebsiella and Clostridium species. Aspergillus species were the commonest fungus grown from intertrigo. CONCLUSIONS: Occupational dermatoses are common in paddy field workers.
Burkholderia pseudomallei musculoskeletal infections (melioidosis) in India
Pandey Vivek,Rao Sripathi,Rao Sugandhi,Acharya Kiran
Indian Journal of Orthopaedics , 2010,
Abstract: Melioidosis, an infection due to gram negative Burkholderia pseudomallei, is an important cause of sepsis in east Asia especially Thailand and northern Australia. It usually causes abscesses in lung, liver, spleen, skeletal muscle and parotids especially in patients with diabetes, chronic renal failure and thalassemia. Musculoskeletal melioidosis is not common in India even though sporadic cases have been reported mostly involving soft tissues. During a two-year-period, we had five patients with musculoskeletal melioidosis. All patients presented with multifocal osteomyelitis, recurrent osteomyelitis or septic arthritis. One patient died early because of septicemia and multi-organ failure. All patients were diagnosed on the basis of positive pus culture. All patients were treated by surgical debridement followed by a combination of antibiotics; (ceftazidime, amoxy-clavulanic acid, co-trimoxazole and doxycycline) for six months except for one who died due to fulminant septicemia. All other patients recovered completely with no recurrences. With increasing awareness and better diagnostic facilities, probably musculoskeletal melioidosis will be increasingly diagnosed in future.
BACTERICIDAL EFFECT OF DIRECT AND FILTERED ULTRAVIOLET C THROUGH TRANSPARENT PLASTIC SHEET ON GRAM NEGATIVE BACILLI –AN IN- VITRO STUDY
Bhamini Krishna Rao,Pramod Kumar,Sugandhi Rao,Jagdishchandra K
International Journal of Biomedical and Advance Research , 2012, DOI: 10.7439/ijbar.v3i10.643
Abstract: Wound infection (with both Gram-positive and Gram-negative organisms) is a major problem in delayed wound healing. Persistence of these organisms in the wound delays considerably the healing time and increases length of hospital stay. Ultraviolet-C has shown to effectively eliminate these organisms (bactericidal effect) in few laboratory, animal and human studies and has shown promising role in promoting wound healing. Several wound dressing methods have been used to accelerate the rate of wound healing. Among them, Limited Access Dressing (LAD) utilizes intermittent negative pressure dressing using a transparent plastic cover combined with moist wound healing principle, minimizes need for regular change of dressing. Thus, the present study was conducted to explore the in-vitro bactericidal effect of direct and filtered UVC through transparent plastic sheet on Gram-negative bacilli.
Inflection Rules for English to Marathi Translation
Charugatra Tidke,Shital Binayakya,Shivani Patil,Rekha Sugandhi
International Journal of Computer Science and Mobile Computing , 2013,
Abstract: Machine Translation is one of the central areas of focusof Natural Language Processing where translation is done fromSource Language to Target Language preserving the meaning ofthe sentence. Large amount of research is being done in this field.However, research in Machine Translation remains highly localizedto the particular source and target languages due to the largevariations in the syntactical construction of languages. Inflection isan important part to get the correct translation. Inflection isbasically the adding of appropriate suffix to the word according tothe sentence structure to obtain the meaningful form of the word.This paper presents the implementation of the Inflection for Englishto Marathi Translation. The inflection of Nouns, Pronouns, Verbs,Adjectives are done on the basis of the other words and theirattributes in the sentence. This paper gives the rules for inflectingthe above Parts-of-Speech.
Extending Capabilities of English to Marathi Machine Translator
Rekha Sugandhi,Hrishikesh Utpat,Priya Sidhaye,Devika Pisharoty
International Journal of Computer Science Issues , 2012,
Abstract: Machine Translation is one of the fastest growing research areas in the field of Natural Language Processing, with a special area of focus being Asian languages. Substantial work has been done in the case of Hindi and Bengali. The scope of this paper is to discuss the future scope of machine translation, with specific focus on translation of Marathi - a language spoken by over 70 million people [1]. The process of machine translation can be expanded to include the use of spelling and grammatical checks, intermediate language, sentiment analysis, proverbs and phrases.
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