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- 저자 : Devendra Rawat (검색결과 2 건)
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Intelligent control of robotic manipulators: a comprehensive review
Devendra Rawat,Mukul Kumar Gupta,Abhinav Sharma 대한공간정보학회 2023 Spatial Information Research Vol.31 No.3
Technological advancements in robotics significantly impact the design of robotic manipulators and their control. Manipulators find applications in electrical, mechanical, and process industries to reduce labor and improve accuracy. Controlling manipulators is challenging because of their complex dynamics and nonlinear properties. Researchers are exploring many ways to implement the effective control method, including classical and modern techniques. In all the applications, robotic manipulators interact with the real world. Therefore, they require an understanding of input–output relations, which raises the need for intelligent control methods. The revolutionized growth in artificial intelligence has significantly influenced robotic manipulators' control. This paper presents a detailed review of intelligent control techniques implemented on robotic manipulator systems. These intelligent control methods include artificial neural networks, fuzzy logic control, expert systems, metaheuristic algorithm, machine learning control, etc. These intelligent methods for robotic manipulators have gained more attention because they emulate human intelligence, which finds application in diverse fields of science and engineering. In this paper, authors have investigated and compared metaheuristic algorithm and their application in robotic manipulators.
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Mohammad Faheem Khan,Arun Kumar Rawat,Shahnaaz Khatoon,Mohd Kamil Hussain,Arvind Mishra,Devendra Singh Negi 한국한의학연구원 2018 Integrative Medicine Research Vol.7 No.2
Background: To investigate the antidiabetic effect of Himalayan Medicinal plants from India viz. Melia azedarach (Family: Meliaceae), Zanthoxylum alatum (Family: Rutaceae), Tanacetum nubigenum (Family: Asteraceae) using in-vitro as well as in-vivo approaches. Methods: Their effects were examined on stimulation of glucose uptake by C2C12 cultured cell line, inhibitory effect on human recombinant Protein tyrosine phosphatase-1B (PTP-1B) and followed by the hypoglycaemic activity of extracts in Streptozotocin (STZ) induced diabetic rats. Results: All prepared extracts had been found to enrich with polyphenolic, flavonoids, terpenoids, anthraquinones and saponins type of compounds. n-Butanol fraction of Zanthoxylum alatum showed maximum PTP-1B inhibition (61.9%) whereas ethanol extract of Tanacetum nubigenum showed strong stimulation of glucose uptake (+61.2%) in C2Cl2 myotubes. In STZ induced Sprague-Dawley rats, significant decrease in blood glucose level was observed in ethanol extract of Melia azaderach treated group as 14.8% (p < 0.01) whereas in the ethanol extract of Tanacetum nubigenum treated group, it was observed as 15.5% (p < 0.01) compare to metformin which showed 26.8% (p < 0.01) lowering of blood glucose in the same time duration of 5 h study. Conclusion: This study demonstrated that these plants have a significant therapeutic value in type-2-diabetes mellitus and related complications thus supporting their traditional uses in Indian traditional system of medicine.
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