Volume-1 Issue-2, December 2012 – International Journal of Emerging Science and Engineering (IJESE)

B0116121212

IJESE Journal — Thu, 26 Aug 2021 11:52:30 +0000

The International Journal of Emerging Science and Engineering (IJESE) is an open-access, peer-reviewed, monthly international journal with an ISSN 2319-6378 (online). It is published by the Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP) periodically in January, February, March, April, May, June, July, August, September, October, November, and December since 2012.
The International Journal of Emerging Science and Engineering (IJESE) aspires to circulate top-notch, peer-reviewed original articles in Engineering and Technology, shrouding Computer Science and Engineering, Information Technology, Electrical and Electronics Engineering, Electronics and Telecommunication, Mechanical Engineering, Civil Engineering, and all related interdisciplinary associates.

Overcoming the Challenges of Communication and Intercultural Problems in Managing Distributed Software Projects
Tanmaya Kumar Das¹, Dillip Kumar Mahapatra², Gopa Krishna Pradhan³
¹Tanmaya Kumar Das, Asst. Prof., Dept. of CS&E, C.V. Raman College of Engineering, Bhubaneswar, Odisha, India
² Dillip Kumar Mahapatra, Asso. Prof., Dept. of IT, Krupajal Engineering College, Bhubaneswar, Odisha, India. ³ Gopa Krishna Pradhan, Ex. Prof., Dept. of CS&E, SOA University, Bhubaneswar, Odisha, India.
Manuscript received on December 04, 2012. | Revised Manuscript received on December 22, 2012. | Manuscript published on December 25, 2012. | PP: 22-29 | Volume-1 Issue-2, December 2012 | Retrieval Number: B0116121212/2012©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Managing a large, distributed software-intensive system is a complex and intrinsically difficult task. The system is complex and can involve hundreds of staff, years of skilled effort, large budgets, and potentially thousands of activities. Many perspectives attest to the facts that the delivery of complex systems on time, within cost, and meeting customer requirements is a significant problem, and that the number of complex systems is increasing The most important factor that influences the management of geographically distributed software projects is communication among organizations, customers, the developing teams etc. This paper addresses the challenges of communication in managing these projects..
Keywords: Communication challenges, Collaborative tools, Cross cultural Communication, Distributed project management Media synchronization.

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B0115121212

IJESE Journal — Thu, 26 Aug 2021 11:02:47 +0000

Lung Nodule Detection in CT Images using Thresholding and Morphological Operations
Sudha. V¹, Jayashree. P²
¹Sudha.V Electronics and Instrumentation Engineering, Kongu Engineering College, Erode, India.
²Jayashree.P, Electronics and Instrumentation Engineering, Kongu Engineering College, Erode, India.
Manuscript received on December 01, 2012. | Revised Manuscript received on December 18, 2012. | Manuscript published on December 25, 2012. | PP: 17-21 | Volume-1 Issue-2, December 2012 | Retrieval Number: B0115121212/2012©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Lung cancer which is among the five main types of cancer is a leading one to overall cancer mortality contributing about 1.3 million deaths/year globally. Lung cancer is a disease and it is characterized by uncontrolled cell growth in tissues of the lung. Lung nodule is an abnormality that leads to lung cancer, characterized by a small round or oval shaped growth on the lung which appears as a white shadow in the CT scan. An effective computer aided lung nodule detection system can assist radiologists in detecting lung abnormalities at an early stage. If defective nodules are detected at an early stage, the survival rate can be increased up to 50%. This paper aims to develop an efficient lung nodule detection system by performing nodule segmentation through thresholding and morphological operations. The proposed method has two stages: lung region segmentation through thresholding and then segmenting the lung nodules through thresholding and morphological operations
Keywords: Computed Tomography, Morphological Operations, Segmentation, Thresholding.

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B0114121212

IJESE Journal — Thu, 26 Aug 2021 09:40:17 +0000

Automatic Battery Charging Algorithms for Hybrid Electric Vehicles
F.Vijay Amirtha Raj
F.Vijay Amirtha Raj, Electrical and Electronics Engineering, RVS College of Engineering and Technology, Coimbatore, India.
Manuscript received on December 01, 2012. | Revised Manuscript received on December 18, 2012. | Manuscript published on December 25, 2012. | PP: 11-16 | Volume-1 Issue-2, December 2012 | Retrieval Number: B0114121212/2012©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). Th is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Battery-charging algorithms can be used for either single or multiple-battery chemistries. Single-chemistry chargers have some advantages than multi chemistry chargers because of its simplicity and reliability. On the other hand, multi chemistry chargers, or “universal battery chargers,” provide a practical option for multi chemistry battery systems, particularly for portable appliances, but they have some limitations. This paper proposes the design of a single chemistry intelligent battery charger that can be used for major batteries, i.e. Nickel-Metal-Hydride and Lithium-Ion batteries for use in Hybrid Electric Vehicles (HEV). The design is implemented using MATLAB Simulation Tool which monitors the battery status and parameters and controls the charging operation. This ensures complete, fast, and safe charging of the battery pack.
Keywords: Constant current (CC), constant voltage (CV), inflection point, open-circuit voltage (OCV), pulse charging, state of charge (SOC), trickle charging, voltage drop.

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B0113121212

IJESE Journal — Thu, 26 Aug 2021 09:07:34 +0000

Effect of SVD Based Processing on the Perception of Voiced and Unvoiced Consonants
Balvinder kour¹, Randhir Singh², Parveen Lehana³
¹Balvinder Kour, M.tech student, Electronics and Communication Engineering Department, Sri Sai College of Engineering and Technology, Badhani, Pathankot, Punjab, India.
²Randhir Singh, Assistant Professor & Head, Electronics and Communication Engineering Department, Sri Sai College of Engineering and Technology, Badhani, Pathankot, Punjab, India.
³Parveen Lehana, Associate Professor, Physics and Electronics Department, Jammu University, J&K, India.
Manuscript received on December 01, 2012. | Revised Manuscript received on December 18, 2012. | Manuscript published on December 25, 2012. | PP: 6-10 | Volume-1 Issue-2, December 2012 | Retrieval Number: B0113121212/2012©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering & Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Speech is a biomedical signal used by the human beings to communicate. It is generated by exciting the vocal tract from the impulses of the air coming from the lungs through the vocal cords. Sometimes, the speech generated may not be adequate for understanding or transmission. In that case, it is modified using the concepts of speech processing. In this paper the singular value decomposition (SVD) technique is used to process and the output are evaluated using informal listening tests for investigating its effect on perception. This technique may have applications in speech compression, speech enhancement, speech recognition, and speech synthesis. The speech signal in the form of vowels-consonant-vowel (VCV) was recorded for the six speakers (3 males and 3 females). These VCVs were analyzed using SVD based technique and the effect of the reduction in singular values was investigated on the perception of the resynthesized VCVs using reduced singular values. Investigations have shown that the number of singular values can be drastically reduced without significantly affecting the perception of the VCVs.
Keywords: Speech signal, Speech generation, Speech processing, Speech compression, Singular value decomposition.

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B0112121212

IJESE Journal — Thu, 26 Aug 2021 07:31:28 +0000

Extended Kalman Filter Based State Estimation of Stepper Motor
Sumathi K¹, Vijayachitra S²
¹Sumathi K, Electronics and Instrumentation Engineering, Kongu Engineering College, Erode, India.
²Vijayachitra S, Electronics and Instrumentation Engineering, Kongu Engineering College, Erode, India.
Manuscript received on December 01, 2012. | Revised Manuscript received on December 18, 2012. | Manuscript published on December 25, 2012. | PP: 1-5 | Volume-1 Issue-2, December 2012 | Retrieval Number: B0112121212/2012©BEIESP
Open Access | Ethics and Policies | Cite
© The Authors. Published By: Blue Eyes Intelligence Engineering & Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: State estimation process is one of the major concerns for controlling and monitoring systems in industry which requires high-cost measurements or involves unmeasurable variables of nonlinear systems. These drawbacks can be highly eliminated by designing systems without using any kind of sensors. In the proposed work, the state estimation technique is used for the state estimation of stepper motor. The theoretical basis of Extended Kalman Filter algorithm is explained in detail and its performance is tested with simulations. A stochastically nonlinear state estimator named Extended Kalman Filter is presented. The motor model designed for EKF application involves rotor speed, rotor position and stator currents of the stepper motor. Thus, by using this estimator the states of the stepper motor can be estimated.
Keywords: Extended Kalman Filter, non linear system, state estimation, stepper motor.

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