Feedback passivity‐based control of discrete nonlinear systems with time‐delay for variable geometry truss manipulator
Sign Up to like & getrecommendations! Published in 2019 at "Asian Journal of Control"
DOI: 10.1002/asjc.2203
Abstract: In this paper, the feedback passivity‐based control of nonlinear discrete time‐delay systems for variable geometry truss manipulators is investigated. To determine an appropriate communication channel in the sense of feedback passivation, we first model the… read more here.
Keywords: variable geometry; time delay; geometry; passivity ... See more keywords
Dynamics and control of variable geometry truss manipulator
Sign Up to like & getrecommendations! Published in 2017 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-017-2164-9
Abstract: Variable geometry truss manipulator (VGTM) has potential to work in the future space applications, of which a dynamic model is important to dynamic analysis and control of the system. In this paper, an approach is… read more here.
Keywords: geometry truss; geometry; truss; truss manipulator ... See more keywords
Improvement of torque and power characteristics of V-type diesel engine applying new design of Variable geometry turbocharger (VGT)
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-017-0950-2
Abstract: Based on the new design concept in VGT the commercial turbocharger with vaneless turbine volute and two gas inlet casings was converted to an adjustable one. Modification assumed the processing of turbine housing and installation… read more here.
Keywords: turbocharger; engine; new design; geometry ... See more keywords
Volumetric Efficiency Optimization of Manifold with Variable Geometry Using Acoustic Vibration for Intake Manifold with Variable Geometry in Case of LPG-Enriched Hydrogen Engine
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-018-3254-7
Abstract: A proper design of the engine intake system can provide the best engine performance. The modeling of inlet system is very important for the evaluation of the engine performance. It is known that the wave… read more here.
Keywords: variable geometry; manifold variable; geometry; engine ... See more keywords
Multi-scale evaluation of an R290 variable geometry ejector
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2021.116612
Abstract: Abstract Although representing a promising alternative to mechanical compressor driven systems, ejector refrigeration has not widely spread due to its limits due to the system operation's rigidity. Ejectors are fluid-dynamics controlled devices and because of… read more here.
Keywords: ejector; variable geometry; ratio; geometry ... See more keywords
Numerical and experimental investigation of improving combustion performance of variable geometry dual-mode combustor
Sign Up to like & getrecommendations! Published in 2017 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2017.02.002
Abstract: Abstract As part of our efforts to find ways and means to further improve the combustion performance of variable geometry dual-mode combustor, flow field characteristics and mechanisms of combustion performance losses, which included compression and… read more here.
Keywords: dual mode; combustion; geometry dual; geometry ... See more keywords
Impact of variable geometry combustor on performance and emissions from miniature gas turbine engine
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The Energy Institute"
DOI: 10.1016/j.joei.2016.01.004
Abstract: Abstract The scope of this study is the experimental and theoretical research into the developed concept of variable geometry combustion chamber for miniature gas turbine engine. The aims are to investigate the combustion performance and… read more here.
Keywords: performance emissions; combustion; geometry; combustion chamber ... See more keywords
Experimental study of flow control on tip leakage flow in variable geometry linear turbine cascades with different pivot layouts
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0216807
Abstract: Variable geometry turbines are essential for adjusting operational conditions in industrial gas turbines and variable cycle engines. These adjustments necessitate partial gaps at both ends of the variable guide vanes to alter the turning angle,… read more here.
Keywords: flow control; pivot; geometry; variable geometry ... See more keywords
Theoretical model of driving force for variable geometry hypersonic inlet based on principle of virtual work
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DOI: 10.1063/5.0300561
Abstract: To enable hypersonic inlets to operate across a wide Mach number range, the geometric configuration of the inlet must be adjusted. The magnitude of the driving force required to actuate these geometric changes is fundamental… read more here.
Keywords: driving force; inlet; geometry; variable geometry ... See more keywords
Design and aerodynamic characteristics of variable-geometry hypersonic inlet based on shock wave elimination
Sign Up to like & getrecommendations! Published in 2024 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/09544100241263896
Abstract: To solve the problem that the control of shock wave elimination is weakened under off-design conditions, the design concept of a variable-geometry inlet scheme that combines the variable-geometry cowl (translating and diagonalizing) with regulating shock… read more here.
Keywords: inlet; cowl; shock wave; geometry ... See more keywords
Experimental study on the aerodynamic performance of variable geometry low-pressure turbine adjustable guide vanes
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/09576509221141933
Abstract: An annular cascade testing rig of a variable-geometry low-pressure turbine with a large expansion angle was designed and built, combining a five-hole probe, a surface static pressure test system, and a PIV(Particle Image Velocimetry) measurement… read more here.
Keywords: variable geometry; adjustable device; geometry; pressure ... See more keywords