Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Zhaoli Zheng"'
Autor:
Yelin Li, Zhaoli Zheng
Publikováno v:
AIP Advances, Vol 13, Iss 10, Pp 105324-105324-11 (2023)
The oscillator with a double-sided unilateral spring is a common nonlinear system that widely exists in the industry. In order to deepen the understanding of its vibration characteristics, uncertainty quantification is carried out. The uncertain resp
Externí odkaz:
https://doaj.org/article/7c6958249ba042a5b961455b3c54f644
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 6, p 1241 (2023)
The engine system is critical for a marine vehicle, and its performance significantly affects the efficiency and safety of the whole ship. Due to the harsh working environment and the complex system structure, a marine system is prone to have many ki
Externí odkaz:
https://doaj.org/article/0756aade90304b0fa9b87f79a95b7d17
Publikováno v:
Machines, Vol 11, Iss 5, p 557 (2023)
The marine engine is a complex-structured multidisciplinary system that operates in a harsh environment involving high temperatures and pressures and gas/fluid/solid interactions. Many malfunctions and faults can occur to the marine engine and effici
Externí odkaz:
https://doaj.org/article/205c0c25d72f488b85069fbeb6e7cca0
An Experimental Setup to Detect the Crack Fault of Asymmetric Rotors Based on a Deep Learning Method
Publikováno v:
Applied Sciences, Vol 13, Iss 3, p 1327 (2023)
Crack is a common fault of rotor systems. The research on crack fault detection methods is mainly divided into numerical and experimental studies. In numerical research, the current fault detection algorithms based on deep learning are mostly applied
Externí odkaz:
https://doaj.org/article/584782389fc84ce59a29f9031fcf725b
Publikováno v:
Lubricants, Vol 10, Iss 12, p 354 (2022)
Rotating systems equipped with oil-film bearings are critical and common in many industrial machines. There are various non-random uncertainties in such fluid-lubricated dynamic systems. It is important to quantify the effects of uncertainties withou
Externí odkaz:
https://doaj.org/article/3827b9db50d441779378f3dbd6e67a32
Publikováno v:
Nonlinear Dynamics. 110:2363-2379
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
The asymmetric rotor and the rub-impact behavior are important sources of instability and may cause severe vibrations. However, the dynamics of the rotor-bearing system simultaneously considering the two factors has not gained sufficient attention in
Externí odkaz:
https://doaj.org/article/57d5eb978ff84c6490fdc3547be9c437
Publikováno v:
Applied Sciences, Vol 11, Iss 3, p 1307 (2021)
Local sensitivity analysis, which describes the relative importance of specific design parameters to the response of systems, is crucial for investigating dominant factors in optimal design. In this paper, local sensitivity analysis of the response o
Externí odkaz:
https://doaj.org/article/07c004a6d1054bfd83a45dc285de6fec
Publikováno v:
Thermal Science. 2019 Supplement, Vol. 23, pS727-S735. 9p.
Publikováno v:
Chaos (Woodbury, N.Y.). 32(12)
Nonlinear dynamics of discontinuous oscillators with unilateral constraints and non-random parametric uncertainties are investigated. Nonlinear oscillators considering single- and double-sided constraints are carefully constructed to exhibit rich bif