Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Luofeng Wang"'
Autor:
Luofeng Wang, Renliang Chen
Publikováno v:
Aerospace, Vol 11, Iss 9, p 711 (2024)
Sling configurations significantly influence the coupled dynamics of the helicopter with slung load system (HSLS), resulting in alterations to handling qualities (HQs) that remain inadequately understood. This study introduces a computer-oriented, ge
Externí odkaz:
https://doaj.org/article/9ecebf34a54746708846e18dde2b0668
Publikováno v:
Aerospace, Vol 11, Iss 1, p 34 (2023)
This study assesses the influence of engine dynamic characteristics on helicopter handling quality during hover and low-speed forward flight. First, we construct the helicopter–engine coupling model (HECM) based on the power-matching relationship b
Externí odkaz:
https://doaj.org/article/b4494914505a47e882c97e7a2c0bfb8e
Publikováno v:
Aerospace, Vol 10, Iss 10, p 872 (2023)
In order to reveal the mechanism of Category II rotor-body-slung-load coupled oscillation (RBSLCO) with the frequency range of 2.5~8 Hz, a novel nonlinear rigid-elastic coupled model is presented for the helicopter and slung load system (HSLS) with e
Externí odkaz:
https://doaj.org/article/09ed4d71fe934ae2bb0fcacf391c5a10
Publikováno v:
Sustainability; Volume 15; Issue 6; Pages: 5279
In order to solve the problems of a slow solving speed and easily falling into the local optimization of an ore-blending process model (of polymetallic multiobjective open-pit mines), an efficient ore-blending scheduling optimization method based on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49019161244ca816140fd2b7f8997246
Autor:
Luofeng Wang, Renliang Chen
Publikováno v:
AIAA Journal. :1-11
This paper represents a new mathematical model for helicopters with flexible fuselages. The theory connects the two commonly separated research areas of flight, dynamics and structural dynamics, by...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::827d3c9d18114c75a15b1ab6b205b70b
https://doi.org/10.2514/1.j060781
https://doi.org/10.2514/1.j060781
Publikováno v:
Chinese Journal of Aeronautics, Vol 34, Iss 2, Pp 229-239 (2021)
This study aims to provide the pilot with optimal control time histories for stabilization of a helicopter after releasing the slung load in aerial delivery missions. A model with 21 degrees of freedom (21-DOF) has been developed and validated for a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2350e9bbf3d4a809f3d7a5f2ee49cdcd
http://www.sciencedirect.com/science/article/pii/S1000936120303472
http://www.sciencedirect.com/science/article/pii/S1000936120303472
Publikováno v:
Aerospace Science and Technology. 129:107854
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a80199f17864a44d65057cc6aa8b8d2a
https://doi.org/10.1016/j.ast.2022.107854
https://doi.org/10.1016/j.ast.2022.107854
Autor:
Zhifei Liu, Ling Zuo, Senmin Xu, Yaqing He, Chunyi Wang, Luofeng Wang, Tao Yang, Gongwen Wang, Linggao Zeng, Nini Mou, Wangdong Yang
Publikováno v:
Minerals; Volume 12; Issue 6; Pages: 769
The Shangfanggou Mo–Fe deposit is a typical and giant porphyry–skarn deposit located in the East Qinling–Dabie molybdenum (Mo) polymetallic metallogenic belt in the southern margin of the North China Block. In this paper, three-dimensional (3D)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc7822a65ed9e16d6e915eaf0eea5c6f
https://doi.org/10.3390/min12060769
https://doi.org/10.3390/min12060769
Autor:
Luofeng Wang1, Renliang Chen2
Publikováno v:
AIAA Journal. Jan2022, Vol. 60 Issue 1, p102-112. 11p.