1,796 research outputs found

    Sliding mode control of discrete-time weakly coupled systems

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    Sliding mode control is a form of variable structure control which is a powerful tool to cope with external disturbances and uncertainty. There are many applications of sliding mode control of weakly coupled system to absorption columns, catalytic crackers, chemical plants, chemical reactors, helicopters, satellites, flexible beams, cold-rolling mills, power systems, electrical circuits, computer/communication networks, etc. In this thesis, the problem of sliding mode control for systems, which are composed of two weakly coupled subsystems, is addressed. This thesis presents several methods to apply sliding mode control to linear discretetime weakly-coupled systems and di fferent approaches to decouple the sub-systems. The application of Utkin and Young's sliding mode control method on discrete-time weakly-coupled systems is studied in detail which is then compared with other control algorithms while emphasizing the importance of the decoupling technique in each case. It also presents the possibility of integrating two or more control strategies for a single system; one for each sub-system, depending upon the respective requirements and constraints. In this thesis, the eff ectiveness of the proposed methods is demonstrated through theory and simulation results.M.S.Includes bibliographical referencesIncludes vitaby Prashanth Kumar Gopal

    Studies on Self assembly of Low Molecular Weight Chitosan.

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    This Dissertation / Report is the outcome of investigation carried out by the creator(s) / author(s) at the department/division of Central Food Technological Research Institute (CFTRI), Mysore mentioned below in this page

    The surgical treatment of the first carpometacarpal joint arthritis: evaluation of 400 consecutive patients treated by suspension arthroplasty

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    Arthritis of the first carpometacarpal joint is a widespread disease in Western countries. It affects predominantly women with marked impairment in daily life activities. Its aetiopathogenesis is well described, while its treatment still controversial. The authors report their experience with 400 consecutive patients with established clinical and radiological findings of carpometacarpal joint arthritis treated by suspension arthroplasty with Ceruso's modified Weilby's technique. At 12 months follow-up, we were able to assess 315 patients using MAYO's score pre- and post-operatively, obtaining 86 excellent results, 134 good, 62 fair and 33 poor. As for complications, there were seven infections, 32 persistent pain and 42 limited range of motion. According to our experience the treatment modality of suspension arthroplasty with Ceruso's modified Weilby's technique represents the procedure of choice in indicated cases of first carpometacarpal joint arthritis in advanced stages according to Eaton-Littler classification

    Preparation and characterization of biodegradable chitosan based nanocomposite films for food packaging application.

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    This Dissertation / Report is the outcome of investigation carried out by the creator(s) / author(s) at the department/division of Central Food Technological Research Institute (CFTRI), Mysore mentioned below in this page

    Preparation and characterization of biodegradable chitosan-poly-€-caprolactone based nanocomposite blendfilms.

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    This Dissertation / Report is the outcome of investigation carried out by the creator(s) / author(s) at the department/division of Central Food Technological Research Institute (CFTRI), Mysore mentioned below in this page

    Author recognition using Locality Sensitive Hashing & Alergia (Stochastic Finite Automata)

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    In today’s world data grows very fast. It is difficult to answer questions like 1) Is the content completely written by this author, 2) Did he get few sentences or pages from another author, 3) Is there any way to identify actual author. There are many plagiarism software’s available in the market which identify duplicate content. It doesn’t understand writing pattern involved. There is always a necessity to make an effort to find the original author. Locality sensitive hashing is one such standard for applying hashing to recognize authors writing pattern
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