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Ashok Kumar, K.
- Gesture Controlled Robot using MEMS Accelerometer for Eradication of Weeds
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Authors
Affiliations
1 Computer Science and Engineering Department, Sathyabama University, Chennai, IN
1 Computer Science and Engineering Department, Sathyabama University, Chennai, IN
Source
Indian Journal of Science and Technology, Vol 8, No 5 (2015), Pagination: 460-465Abstract
Robots are playing a vital role in today's industrial automation and monitoring system. As technology developed these robots have increased their applications and functionality. Working robots will cooperate to the people makes the work more effortless and uncomplicated. This paper provides 4 different gestures for controlling the robots, i.e., forward, backward, left, right. For cutting weeds a gripper concept using buttons is anticipated. These movements are given by the user using MEMS accelerometer. The MEMS accelerometer will be set to the hand. Whenever the hand moves in some direction, the mechanical movement of the hand will be recognized by MEMS. MEMS translate this mechanical hand movement into equivalent electrical signals and send it to the PIC microcontroller. The PIC microcontroller at the transmitter side sends control signals to the receiver side through RF TRANSCEIVER. The controller at the receiver area receives these signals and gives direction to the robot. This type of robot is used in the crop filed to cut the weeds as per the user command.Keywords
Accelerometer, MEMS-Micro Electro Mechanical System, PIC Microcontrollers, RF TRANSCEIVER.- Beamforming for Phased-MIMO Radar using MVDR Algorithm
Abstract Views :178 |
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Authors
K. Ashok Kumar
1,
A. Merline
2
Affiliations
1 Communication Systems, Sethu Institute of Technology, Virudhunagar, Tamilnadu, IN
2 Electronics and Communication Engineering, Sethu Institute of Technology, Virudhunagar, Tamilnadu, IN
1 Communication Systems, Sethu Institute of Technology, Virudhunagar, Tamilnadu, IN
2 Electronics and Communication Engineering, Sethu Institute of Technology, Virudhunagar, Tamilnadu, IN
Source
Artificial Intelligent Systems and Machine Learning, Vol 6, No 2 (2014), Pagination:Abstract
Phased Array RADAR has high processing gains but the area coverage is limited to a 120° cone whereas MIMO RADAR has a much enhanced flexibility for transmit beam pattern design. The proposed, is a technique for multiple input multiple output radar with co-located antenna which is called as 'Phased-MIMO radar‘. The new technique enjoys the advantages of the MIMO radar without sacrificing the main advantage of the phased-array radar which is the coherent processing gain at the transmitting side. The Phased-MIMO radar is limited to range independent diversity; this limits radar performance to mitigate non-desirable range dependent interference. The aspect of the proposed technique is to divide the FDA transmit array into multiple sub-arrays, each sub-arrays coherently transmits a distinct waveform with a small frequency increment. The beamforming performance as compared to phased-MIMO radar is tested by analyzing the ‗transmitted-received‘ beampattern and the output SINR performance. The possible future task is the application of phased-MIMO radar with frequency diversity in (RSN) radar sensor networks.Keywords
Phase Array Radar, MIMO Radar, Phased-MIMO Radar Beamforming.- Start-Up Performance of Hybrid Up-Flow Anaerobic Sludge Blanket Reactor Treating Pulp and Paper Mill Effluent
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Authors
Affiliations
1 Department of Civil Engineering, Govt. College of Technology, Coimbatore-641 013, T.N., IN
1 Department of Civil Engineering, Govt. College of Technology, Coimbatore-641 013, T.N., IN
Source
Nature Environment and Pollution Technology, Vol 9, No 1 (2010), Pagination: 29-34Abstract
A study was performed on hybrid up-flow anaerobic sludge blanket reactor to identify the start-up time and optimum HRT required for treatment of pulp and paper mill wastewater. Initially, the reactor was loaded at an OLR of 0.117 kg COD/m3.hr and HRT of 24h. Loading rates were increased by reducing HRT 24, 20, 16, 14, 12, 10, 8, 6h, which corresponds to the OLR of 0.117, 0.141, 0.175, 0.201, 0.233, 0.294, 0.348, 0.458 kg COD/m3.h. An optimum HRT of 8 h, HUASB reactor shows COD and TSS removal efficiency of 80% and 85% respectively. When HRT was reduced beyond 8h, lower COD removal efficiency of 71% and TSS removal efficiency of 70% were observed. Finally, the reactor took 120 days for complete start-up. The granule formation was observed inside the reactor by drawing the sample along the port, which shows sizes of 1-2 mm.Keywords
Hybrid UASB Reactor, Hydraulic Retentiion Time, Organic Loading Rate, Pulp and Paper, Mill Effluent, Start-Up Performance.- A Survey for Silicon on Chip Communication
Abstract Views :198 |
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Authors
Affiliations
1 Department of ECE, Pondicherry Engineering College, Puducherry - 605014, IN
1 Department of ECE, Pondicherry Engineering College, Puducherry - 605014, IN
Source
Indian Journal of Science and Technology, Vol 10, No 1 (2017), Pagination:Abstract
Objectives: Network on Chip (NoC) has been emerging area as communication is very complex at Chip Multi Processor and it has become more popular due to its high bandwidth and improved performance than System on Chip (SoC). Methods: This paper gives an overview of various proposals and discussed some methods for NoC and various types of topologies and types of switching techniques have given with their merits and demerits. The routing algorithms are given based on adaptively which finds the shortest distance from source to destination. Findings: This paper proposes a new architecture for low latency and low area NoC router by analyzing the different architectures for NoC by observing the number of architectures. The generic NoC has used with packet switching and deterministic routing algorithm but new techniques implemented for the routing algorithms i.e. shortest path, odd/even, north-east and south-west. Application/Improvements: NoC has improved performance that’s why it has applied in various systems, JPEG decompression, wireless transmission and security systems.Keywords
FPGA, NoC, Routing, Switching, Topology.- Effect of Punica granatum peel and Vitis vinifera seeds on Biochemical Indices in DEN induced Hepatocellular Carcinoma in Rats
Abstract Views :148 |
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Authors
Affiliations
1 Department of Biotechnology, School of Life Sciences, Vels Institute of Science, Technology and Advanced Studies, Pallavaram, Chennai, Tamilnadu, IN
2 Department of Biochemistry, Bharathi Women’s College, Chennai, Tamilnadu, IN
1 Department of Biotechnology, School of Life Sciences, Vels Institute of Science, Technology and Advanced Studies, Pallavaram, Chennai, Tamilnadu, IN
2 Department of Biochemistry, Bharathi Women’s College, Chennai, Tamilnadu, IN
Source
Research Journal of Pharmacy and Technology, Vol 12, No 6 (2019), Pagination: 2758-2764Abstract
Plants are the richest source of traditional medicines in treatment against many diseases. Many of the plant materials wasted are the reservoir of phytochemicals possessing important biological activities. In this present study, the extracts of Punica granatum peel and Vitis vinifera a seeds were evaluated in rats against (diethylnitrosamine) DEN induced hepatocellular carcinoma for assessing the hepatoprotective potential. Rats were divided into four groups. The first group served as normal control group, the second group received DEN at a dose of 200 mg/kg body weight by Single intraperitoneal administration. The third one received DEN as in DEN-treated group and co-treated with 400 mg/kg Punica granatum peel extract (EPGP). The final group also received DEN and co-treated with 400 mg/kg Vitis vinifera seeds extract (EVVS). DEN administration to rats resulted in significantly elevated levels of serum AFP, bilirubin, triglycerides, cholesterol and urea. The levels of plasma total protein, albumin and blood glucose were significantly decreased in DEN treated rats. No significant changes were noted in creatinine levels of DEN induced rats. Co-treatment with the Punica granatum peel and Vitis vinifera seed extracts orally for 12 weeks significantly reversed the DEN induced alterations of above mentioned parameters in the serum. The present study indicates that both the selected extracts exhibits good hepato protectivity against DEN induced hepatocellular damage in rats.Keywords
Vitis vinifera, Punica granatum, Diethylnitrosamine, Alpha Feto Protein, Hepatocellular Carcinoma.References
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Authors
Affiliations
1 Assistant Professor, Department of Mechanical Engineering, M.S. Ramaiah Institute of Technology, Bangalore-560 054, IN
2 Assistant Professor, Department of Mechanical Engineering, Nagarjuna College of Engineering and Technology, Bangalore-562110, IN
3 Professor and Head, Department of Mechanical Engineering, Nagarjuna College of Engineering and Technology, Bangalore-562110, IN
1 Assistant Professor, Department of Mechanical Engineering, M.S. Ramaiah Institute of Technology, Bangalore-560 054, IN
2 Assistant Professor, Department of Mechanical Engineering, Nagarjuna College of Engineering and Technology, Bangalore-562110, IN
3 Professor and Head, Department of Mechanical Engineering, Nagarjuna College of Engineering and Technology, Bangalore-562110, IN