Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Tingrui Liu"'
Autor:
Tingrui Liu, Zhifeng Nie
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 1750 (2024)
Aiming at the nonlinear low-speed-jitter (LSJ) vibration suppression for a yaw system of a megawatt wind turbine, a kinematics mechanism of the yaw system is investigated from the perspective of tribology, and a kinematics model of the yaw system bas
Externí odkaz:
https://doaj.org/article/ac6ecac4ce85429aa1de11f9c17f96d8
Publikováno v:
Sensors, Vol 23, Iss 5, p 2794 (2023)
In this study, a laser interferometric sensing measurement (ISM) system based on a 4R manipulator system is developed to achieve detection of mechanical targets, which aims to realize the real-time, online detection of workpieces with high precision
Externí odkaz:
https://doaj.org/article/b830b0b9145f482d82d722ff984fc0c7
Publikováno v:
Shock and Vibration, Vol 2020 (2020)
Flutter is an important form of wind turbine blade failure. Based on damping analysis, synthetically considering aeroelastic vibration instability of the blade and using the parameter fitting method, the aeroelastic flutter model of the pretwisted bl
Externí odkaz:
https://doaj.org/article/8f5fbf23e97d43249f2bc9db062f0a63
Publikováno v:
Energies, Vol 15, Iss 3, p 787 (2022)
In this study, vibration control, a behavior which subordinates to stall-induced nonlinear vibration and amplitude control of a wind turbine’s blade section, based on unified pitch motion driven by slider-linkage mechanism, is investigated by using
Externí odkaz:
https://doaj.org/article/d3fdfb4e702e4dc49e977fcd15046246
Autor:
Tingrui Liu
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
Vibration control of the blade section of a wind turbine is investigated based on the sliding mode proportional-integral (SM-PI) method, i.e., sliding mode control (SMC) based on a PI controller. The structure is modeled as a 2D pretwisted blade sect
Externí odkaz:
https://doaj.org/article/b8dac0e6694b435e9866a9d900bf7dcb
Publikováno v:
Energies, Vol 13, Iss 19, p 5029 (2020)
Vibration and real-time flow control of the 2D blade section of wind turbines with three degrees of freedom (3-DOF), excited by external pitch motion, are investigated based on an H-inf (H∞) controller using linear-matrix-inequality (HIC/LMI) desig
Externí odkaz:
https://doaj.org/article/821cf8916dda48008b52dc2a1170ee41
Publikováno v:
Energies, Vol 13, Iss 5, p 1029 (2020)
Theoretical modeling and the sliding mode control (SMC) of an active trailing-edge flap of a wind turbine blade based on the adaptive reaching law are investigated. The blade is a single-celled thin-walled composite structure using circumferentially
Externí odkaz:
https://doaj.org/article/df3252aa2d7640678c3e4e618aac40ee
Autor:
Tingrui Liu, Lin Chang
Publikováno v:
Shock and Vibration, Vol 2018 (2018)
Vibration control of wind turbine blade with minimum control cost is investigated. Realization of minimum control cost is based on pole placement with minimum-order observer (PPMO). The blade analysis employs a novel compromise method between the 2D
Externí odkaz:
https://doaj.org/article/69966ef3b810433986dd9074f824428e
Autor:
Tingrui Liu, Wei Xu
Publikováno v:
Shock and Vibration, Vol 2016 (2016)
Flap/lag stall nonlinear flutter and active control of anisotropic composite wind turbine blade modeled as antisymmetric beam analysis have been investigated based on robust H2 controller. The blade is modeled as single-cell thin-walled beam structur
Externí odkaz:
https://doaj.org/article/f62cda19131f4c2893b9dc571a15a0b9
Autor:
Tingrui Liu
Publikováno v:
Shock and Vibration, Vol 2015 (2015)
The aim of this article is to analyze classical flutter and active control of single-cell thin-walled composite wind turbine blade beam based on piezoelectric actuation. Effects of piezoelectric actuation for classical flutter suppression on wind tur
Externí odkaz:
https://doaj.org/article/7dfc7e25f0014894adaf9d9470684e6d