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RISS 인기검색어
- 검색키워드
- 저자 : Dileep M. V. (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
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Task Assignment for Deploying Unmanned Aircraft as Decoys
Dileep M V,Beomyeol Yu,김승균,Hyondong Oh 제어·로봇·시스템학회 2020 International Journal of Control, Automation, and Vol.18 No.12
This paper proposes a task assignment based on auction algorithm for a decoy mission using multiple UAVs which can hover against anti-ship missiles. An optimal deployment direction of decoys are also decided based on the cost function that is calculated with the expected signal power of a seeker and decoy, the distance between them, and fuel availability of the decoys. A simple kinematics is considered to generate two-dimensional motions of anti-ship missiles and a target ship. Numerical simulations are conducted under a visualization environment and validate the performance of the proposed algorithm. A parametric study is also conducted for the decoy mission with multiple missiles and decoys. Lastly, non-linear simulations for ducted fan Unmanned Aerial vehicles (UAVs) are performed to evaluate the feasibility of the proposed high-level task assignment comment for the decoy mission.
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EFFECT OF PISTON PROFILE ON PISTON MOTION AND LINER BORE POLISHING
Kunjan Sanadhya,Dileep N. Malkhede,Milankumar R. Nandgaonkar,Yogesh V. Aghav,M. N. Kumar 한국자동차공학회 2024 International journal of automotive technology Vol.25 No.2
One of the popular development trends in diesel engine piston assembly is higher reliability and life of components. Thesecan be ensured by actual engine testing and comparing the appearance of piston assembly. However, testing multiple iterationsinvolves signifi cant cost and development which can be avoided by using software for piston-assembly performance parameterssimulation. This paper contains a detailed study conducted using commercially available piston secondary dynamicssimulation software and actual testing on a 4-cylinder diesel engine. In this study, the eff ect of piston profi le and clearanceon piston secondary dynamics parameters and piston-liner appearance are studied. In this study, three piston skirt profi les aredesigned by varying piston axial profi le (barrel shape), radial profi le (oval shape), and nominal clearances. The simulationresults are studied in which piston profi le 2 has shown minimum piston tilting, radial displacement, radial velocity, tiltingvelocity, radial acceleration, tilting acceleration, pressure, and force at TS and ATS. Testing and component merit rating forliner bores and piston skirts were also conducted in which piston profi le 2 has shown signifi cantly less liner bore polishing. A good correlation was observed between piston secondary motion parameters obtained from simulation and piston andliner bore observations after testing.
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Vishnu G. Nair,Adarsh Rag S.,Jayalakshmi K. P.,Dileep M. V.,K. R. Guruprasad 제어·로봇·시스템학회 2023 International Journal of Control, Automation, and Vol.21 No.7
In this paper, a dynamic workspace allocation methodology for coverage path planning using multiple robots in the presence of obstacles is presented. The entire workspace is initially partitioned using the Manhattan Voronoi partitioning method, without considering the obstacles present, and the robots execute Multi-Robot Simultaneous Exploration and Coverage (MRSimExCoverage) using the Spanning Tree Coverage (STC) algorithm and cover the workspace. A dynamic workspace re-allocation strategy to optimize the area covered by each robot, whenever obstacles are detected, so as to avoid certain obstacle-induced coverage issues is studied. Simulation experiments within the Matlab/V-rep environment are used to demonstrate and validate the performance of the proposed algorithm. Though the authors used the STC algorithm for path planning for demonstration, any suitable coverage algorithm may be used.
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