Validation of Control Laws at High Angles of Attack Using Three-Degree-of-Freedom Dynamic Rig in Wind Tunnel
Sign Up to like & getrecommendations! Published in 2019 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2019.11.297
Abstract: Abstract The paper presents a technique for cost-effective and safe study of conventional and critical flight regimes and control validation using an autonomous dynamically scaled aircraft model mounted in a three-degree-of-freedom gimbal in a wind… read more here.
Keywords: wind tunnel; three degree; control; high angles ... See more keywords
Design and dynamics analysis of three-degree-of-freedom kinematic mechanism for helicopter attitude simulation
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-89278-5
Abstract: In the context of emergency rescue helicopter flight training, where suspended motion mechanisms are crucial, this study presents the design of a suspended three-degree-of-freedom motion mechanism aimed at replicating yaw, roll, and pitch motions within… read more here.
Keywords: degree freedom; mechanism; helicopter; motion ... See more keywords
Magnetic circuit designing and structural optimisation for a three degree-of-freedom hybrid magnetic bearing
Sign Up to like & getrecommendations! Published in 2018 at "Iet Electric Power Applications"
DOI: 10.1049/iet-epa.2017.0792
Abstract: The three degree-of-freedom (3-DOF) hybrid magnetic bearing (HMB) sets radial, axial at one entirety, which can effectively save the bearing installation space. Here, a 3-DOF HMB is designed, optimised, and tested for a 30 kW… read more here.
Keywords: bearing capacity; three degree; dof; bearing ... See more keywords
Propulsion curve analysis and optimisation of biomimetic pectoral fin with three degree of freedom based on multi-layer perception
Sign Up to like & getrecommendations! Published in 2024 at "Engineering Applications of Computational Fluid Mechanics"
DOI: 10.1080/19942060.2024.2316810
Abstract: This paper aims to improve the swimming efficiency of biomimetic robotic fish by optimising its propulsion curve with three degree of freedom (DOF), in which the key is to minimise the resistance during swing backstroke… read more here.
Keywords: propulsion; pectoral fin; propulsion curve; three degree ... See more keywords
A Simple Three-Degree-of-Freedom Digital Current Controller With Dead Beat Response for AC Machines
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3109540
Abstract: Since current controllers are implemented digitally, digital current controllers need to be established for pursuing high performance alternating current (ac) machine drives. Considering to enhance the dynamic response, disturbance rejection and stability both, this article… read more here.
Keywords: digital current; simple three; three degree; current controller ... See more keywords
Modeling and Multilevel Design Optimization of an AC–DC Three-Degree-of-Freedom Hybrid Magnetic Bearing
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3148744
Abstract: In this article, in order to improve the bearing capacity per unit area and reduce the nonlinearity and couplings of three-pole magnetic bearing, which is driven by a three-phase power inverter, a three-degree-of-freedom (3-DOF) six-pole… read more here.
Keywords: bearing; degree freedom; magnetic bearing; design ... See more keywords
A three-degree horizon of peace in the military alliance network
Sign Up to like & getrecommendations! Published in 2017 at "Science Advances"
DOI: 10.1126/sciadv.1601895
Abstract: Indirect military alliances suppress conflict between states that are up to three degrees removed in the alliance network. States form defensive military alliances to enhance their security in the face of potential or realized interstate… read more here.
Keywords: network; three degree; alliance network; horizon ... See more keywords
Coupling dynamic modeling and simulation of three-degree-of-freedom micromanipulator based on piezoelectric ceramic of fuzzy PID
Sign Up to like & getrecommendations! Published in 2017 at "Modern Physics Letters B"
DOI: 10.1142/s0217984917501408
Abstract: For further research on the microparticles trajectory in the process of micromanipulation, the paper modeled on the coupling dynamic of three-degree-of-freedom micromanipulator which is based on piezoelectric ceramic. In the micromanipulation, the transformation of certain… read more here.
Keywords: degree freedom; freedom micromanipulator; three degree;
A Novel Cooperative Control Strategy for Three-Degree-of-Freedom Pneumatic Parallel Mechanism
Sign Up to like & getrecommendations! Published in 2024 at "Actuators"
DOI: 10.3390/act13030089
Abstract: The three-degree-of-freedom (3-DoF) parallel mechanism (PM) is widely used due to its simple structure and ability to avoid coupling problems commonly found in high-DoF PMs. The conventional control approach is usually independent control for each… read more here.
Keywords: parallel mechanism; control; degree freedom; mechanism ... See more keywords