Welcome to Automatic Control and Information Sciences

Automatic Control and Information Sciences is a peer reviewed, open access journal which provides an international forum for the dissemination of the latest original research, achievements and developments in all areas of automatic control and information sciences.

ISSN (Print): 2375-1649

ISSN (Online): 2375-1630

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Website: http://www.sciepub.com/journal/ACIS

   

Article

Design and Development of Selective Tea Leaf Plucking Robot

1Research and Development Centre, Bharathiar University, Coimbatore, India

2Department of Electronics & Instrumentation Bharathiar University, Coimbatore, India


Automatic Control and Information Sciences. 2014, 2(2), 45-48
doi: 10.12691/acis-2-2-2
Copyright © 2014 Science and Education Publishing

Cite this paper:
A Sureshkumar. A, S. Muruganand. Design and Development of Selective Tea Leaf Plucking Robot. Automatic Control and Information Sciences. 2014; 2(2):45-48. doi: 10.12691/acis-2-2-2.

Correspondence to: A  Sureshkumar. A, Research and Development Centre, Bharathiar University, Coimbatore, India. Email: sureshkumarelex@gmail.com

Abstract

To acquire the developing trend and ways of robotizing of tea plucking, with analyzing the developing backgrounds and situations of tea plucking robot both at commercial and agro automation, this article also analyses the reason why agriculture domain has a poor mechanization of tea plucking and points out existing problems. Finally, invention claims a selective tea leaf plucking robot belongs to agricultural automation. This robot is designed considering selective tea leaf plucking and ergonomics aspects, which helps to operate robot without any fatigue. The robot includes portable robot mechanism, multi-sensor, robot control unit, rail conveyer and distributing system with container arrangement.

Keywords

References

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[2]  Suzuki, K. (1977) Studies on the Wide Application of the Self-Propelled Plucking Machine. Tea Research Journal, 45, 63-72.
 
[3]  Nakano, T. (1998) Influences of Plucking Position on Yield and Quality of Tea in Mechanically-Plucked Tea Bush. Tea Research Journal, 86, 11-17.
 
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[6]  Liu, Z. (2010) Situations and Suggests of Our Country’s Tea Standard. Tea Communication, 23, 27-30.
 
[7]  Alastair Hicks, Current Status and Future Development of Global Tea Production and Tea Products AU J.T. 12 (4): pp- 251-264 (Apr. 2009).
 
[8]  Sandeep P, Gopinath C , Design and development of a conceptual tea leaf harvesting machine , SASTECH journal Volume 10, Issue 2, Sep 2011 pp- 95-102.
 
[9]  Zheng, N.H. and Wang, Z.K. (2011) Mechanization of Tea Picking: Break Out the Bottleneck of Tea Industry. Chinese country Technology and Science, 12, 14-17.
 
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Article

Closed Forms of Some Definite Integrals

1Department of Management and Information, Nan Jeon University of Science and Technology, Tainan City, Taiwan


Automatic Control and Information Sciences. 2014, 2(3), 49-52
doi: 10.12691/acis-2-3-1
Copyright © 2014 Science and Education Publishing

Cite this paper:
Chii-Huei Yu. Closed Forms of Some Definite Integrals. Automatic Control and Information Sciences. 2014; 2(3):49-52. doi: 10.12691/acis-2-3-1.

Correspondence to: Chii-Huei  Yu, Department of Management and Information, Nan Jeon University of Science and Technology, Tainan City, Taiwan. Email: chiihuei@nju.edu.tw

Abstract

This paper studies two types of definite integrals and uses Maple for verification. The closed forms of these definite integrals can be obtained using Poisson integral formula. On the other hand, some examples are used to demonstrate the calculations.

Keywords

References

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[31]  C. -H. Yu and S. -D. Sheu, “Infinite series forms of double integrals,” International Journal of Data Envelopment Analysis and *Operations Research*, Vol. 1, No. 2, pp. 16-20, 2014.
 
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Article

Robust Lead Compensator Design for an Electromechanical Actuator Based on H∞ Theory

1Faculty of Electrical Engineering, Malek-Ashtar University of Technology (MUT), 15875-1774, Tehran, Iran

2School of Railway Engineering, Iran University of Science and Technology (IUST), 16846-13114, Tehran, Iran


Automatic Control and Information Sciences. 2014, 2(3), 53-58
doi: 10.12691/acis-2-3-2
Copyright © 2014 Science and Education Publishing

Cite this paper:
Rafik Salloum, Mohammad Reza Arvan, Bijan Moaveni. Robust Lead Compensator Design for an Electromechanical Actuator Based on H∞ Theory. Automatic Control and Information Sciences. 2014; 2(3):53-58. doi: 10.12691/acis-2-3-2.

Correspondence to: Rafik  Salloum, Faculty of Electrical Engineering, Malek-Ashtar University of Technology (MUT), 15875-1774, Tehran, Iran. Email: rafsal@mail.iust.ac.ir

Abstract

In this paper, we design a robust lead compensator for a real Electromechanical Actuator (EMA) harmonic drive by introducing an approach based on H∞ control theory. Here, we address three main topics; experimental identification, uncertainty modelling, and robust control design for a real EMA harmonic drive system. This method verifies good tradeoff between the powerful H∞ controller and the unique features of compensators, such as: simplicity, low cost and easy implementation. The H∞ controller and the extracted compensator are almost identical within the EMA bandwidth range. Simulation and test results prove the effectiveness of the proposed approach and the superiority of the performance of the designed robust EMA with lead compensator based on H∞ controller over the original EMA; this preference is pertaining to its robustness to parametric uncertainties and high performance.

Keywords

References

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