Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Zhinong Li"'
Publikováno v:
Humanities & Social Sciences Communications, Vol 11, Iss 1, Pp 1-14 (2024)
Abstract Understanding divergent perceptions of ethnic groups to climate change in mountainous regions home to multi-ethnic cultures and the factors influencing these perceptions is crucial for policymakers to predict the trending impacts of climate
Externí odkaz:
https://doaj.org/article/9e5c8d25a31e412c87a5ec17eab1f7a6
Publikováno v:
Sensors, Vol 24, Iss 13, p 4086 (2024)
In the realm of special equipment, significant advancements have been achieved in fault detection. Nonetheless, faults originating in the equipment manifest with diverse morphological characteristics and varying scales. Certain faults necessitate the
Externí odkaz:
https://doaj.org/article/05a80daad1364bf4a26947d79676db81
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 35, Iss 1, Pp 1-15 (2022)
Abstract The rotating parts looseness is one of the common failures in rotating machinery. The current researches of looseness fault mainly focus on non-rotating components. However, the looseness fault of disc-shaft system, which is the main work pa
Externí odkaz:
https://doaj.org/article/a7b0cef6e37d4e48820fbe29da45b4ab
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
In order to solve the problems of short circuit, open circuit and insulation faults in aviation cables, a fault diagnosis method based on BP-Adaboost algorithm is proposed in this paper. The BP neural network is used as the weak classifier in the Ada
Externí odkaz:
https://doaj.org/article/4710031bb6cc40088ec3c29e517f5be7
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 34, Iss 1, Pp 1-18 (2021)
Abstract The traditional modeling method of rotor system with a slant crack considers only integer-order calculus. However, the model of rotor system based on integer-order calculus can merely describe local characteristics, not historical dependent
Externí odkaz:
https://doaj.org/article/bd07c8f346a84fb09f7a67eee58ac029
Publikováno v:
Advances in Mechanical Engineering, Vol 13 (2021)
In the previous models of rolling bearings with a single fault, the displacement deviation caused by the collision of the fault to the rolling element changes instantly. However, the displacement deviation should change gradually. Here, the asymptoti
Externí odkaz:
https://doaj.org/article/a678318edf2d409ab45df67faed455a2
Publikováno v:
Applied Sciences, Vol 12, Iss 24, p 12972 (2022)
The problems of the synchroextracting transform method being unable to handle FM signals and being prone to time–frequency feature discontinuity in a strong noise environment are addressed by the construction of a novel rotation synchroextracting c
Externí odkaz:
https://doaj.org/article/2f047f4f274141a5a498daecb7322765
Publikováno v:
Applied Sciences, Vol 12, Iss 23, p 12290 (2022)
Existing studies on the dynamic characteristics of planetary gearboxes are generally based on traditional modeling methods. The models were idealized because of various uncertain factors that affect the dynamic characteristics of the planetary gearbo
Externí odkaz:
https://doaj.org/article/c8602a0091bf455ca3f593cd357b16bf
Publikováno v:
AIP Advances, Vol 11, Iss 3, Pp 035314-035314-8 (2021)
In order to overcome the limitations of traditional ultrasonic imaging methods, which cannot directly give the imaging results of defects in a pipeline and have low imaging quality, a frequency domain synthetic aperture focusing pipeline imaging meth
Externí odkaz:
https://doaj.org/article/35f183df9ae147eeb3df80a5080ac074
Publikováno v:
Advances in Mechanical Engineering, Vol 12 (2020)
Given that the cable harness wiring quality (CHWQ) of complex mechatronic products is affected by multiple factors and it is difficult to solve the resulting control problems, this paper proposes a quality prediction method for cable harness wiring u
Externí odkaz:
https://doaj.org/article/22ada39555df4701bf6bb02c6eec36a6