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Sivarajan, S.
- Embedded Based Speed Control of Three Phase Induction Motor Using Single Phase Power Supply
Abstract Views :166 |
PDF Views:2
Authors
Affiliations
1 Department of EEE, Sri Krishna College of Technology, Coimbatore-641042, IN
1 Department of EEE, Sri Krishna College of Technology, Coimbatore-641042, IN
Source
Programmable Device Circuits and Systems, Vol 4, No 4 (2012), Pagination: 218-221Abstract
This paper provides a way for speed control of induction motor using MOSFET, semiconducting device. The advantage is that either single phase ac induction motor. i.e., speed control of three phase induction motor through single phase power supply, using embedded power system. Now-a-days speed control plays a important role in both industrial and domestic applications. Induction motors are most widely used motors for appliances, industrial control and automation. Hence they are often called as work house of motion industry. By varying the frequency we can control the speed of induction motor effectively. This concept can be implemented for induction motor applications in industries with simple modifications .i.e., for higher rating of induction motor, IGBT can be used instead of MOSFET. This method leads to low tariff, reducing the electricity cost, increasing the efficiency of the motor due to variable speed drive.
- Analysis and Viability of H.264 Algorithm for Faulty Product Detection
Abstract Views :195 |
PDF Views:1
Authors
S. Sivarajan
1,
K. S. Chandragupta Mauryan
1,
P. Aiswarya
1,
P. Chitra Devi
1,
K. Hemalatha
1,
J. Sujanth Roy
1
Affiliations
1 Department of EEE, VLB Janakiammal College of Engineering & Technology, Cbe-42, IN
1 Department of EEE, VLB Janakiammal College of Engineering & Technology, Cbe-42, IN
Source
Programmable Device Circuits and Systems, Vol 3, No 4 (2011), Pagination: 173-176Abstract
In traditional industrial system there is a possibility of faulty products being produced along with the good products. These may sometimes go unnoticed to the packing sector and they mix up with the good ones. This leads to many controversies from the customers. There is a need for automation to detect these faulty products so that only good products are packed and sent out to the world and the status of the company is maintained. The implementation is done by attaching a video camera over the conveyor where the finished products come out. The implementation also has a compression process to compress and store the captured frame to store it for future reference. H.264 algorithm is used here for compression. This uses discrete cosine transform to do the compression.Keywords
Sobel Operator, H.264 Algorithm.- Multilayer PVD Surface Engineered Coatings for Sheet Metal Forming Tools
Abstract Views :130 |
PDF Views:0
Authors
Affiliations
1 School of Mechanical and Building Sciences, VIT University, Chennai - 600127,Tamil Nadu, IN
1 School of Mechanical and Building Sciences, VIT University, Chennai - 600127,Tamil Nadu, IN
Source
Indian Journal of Science and Technology, Vol 9, No 41 (2016), Pagination:Abstract
Objectives: In this paper, the surface of sheet metal forming tool is coated by physical vapour deposition with molybdenum disulphide with the aim of preventing their premature failure. Method/Analysis: Physical Vapor Deposition (PVD) coatings have held a prominent position in this field for the last one decade. Although low friction coatings are deposited with good adhesion to the substrate there is a possibility of surface coating with poor adhesion. In the present paper molybdenum disulphide was deposited on D2 tool steel specimen by thermal evaporation. The effect of multilayer on microstructure, micro hardness, coating thickness and film adhesion were studied. Findings: It had been found that multilayer coatings has provided with improved adhesion, non columnar microstructure and harder surfaces. Improvement: The multilayer PVD MoS2 coatings provide a hard and wear resistant surface on sheet metal forming tool and improve its life.Keywords
Forming Tool and Coating, PVD, Tool Steel.Full Text
- Improvement in the Tribological Properties of AISI D2 Die Steel by DLC and WC-C Coatings
Abstract Views :271 |
PDF Views:1
Authors
Affiliations
1 School of Mechanical and Building Sciences, Vellore Institute of Technology, Chennai – 600127, Tamil Nadu, IN
2 School of Advanced Sciences, Vellore Institute of Technology, Chennai – 600127, Tamil Nadu, IN
1 School of Mechanical and Building Sciences, Vellore Institute of Technology, Chennai – 600127, Tamil Nadu, IN
2 School of Advanced Sciences, Vellore Institute of Technology, Chennai – 600127, Tamil Nadu, IN
Source
Journal of Surface Science and Technology, Vol 35, No 1-2 (2019), Pagination: 54-59Abstract
Wear in machineries and parts are one of the major problems encountered in industrial processes. These problems along with corrosion lead to the development of surface engineering techniques that involves applying surface coatings to components to obtain composite material with tribological properties unattainable by base material alone. In the present paper, DLC and WC coatings are produced on AISI D2 steel by Physical Vapor Deposition (PVD).The samples are characterized with tribological test. The applied load is taken as 25 Newton, and sliding velocity as 0.5 m/s. Samples with DLC coatings display less friction and good hardness.Keywords
Diamond like Carbon, D2 Steel, Friction, Physical Vapor Deposition, Wear.References
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