Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Shangjun Ma"'
Publikováno v:
Aerospace, Vol 11, Iss 6, p 440 (2024)
The performance of the flap actuation system directly affects the control effect and the flight quality of an aircraft. The electromechanical actuator (EMA) and the linkage mechanism are important components of the system. In order to achieve the goa
Externí odkaz:
https://doaj.org/article/b0516a9010914e08abf584653e77881a
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 35, Iss 1, Pp 1-16 (2022)
Abstract The recirculating planetary roller screw mechanism (RPRSM) is a transmission mechanism that engages the screw and nut threaded by multiple grooved rollers. In this paper, firstly, the design method of RPRSM nut threadless area is proposed, a
Externí odkaz:
https://doaj.org/article/5ff884fb119848c98a27ba08630fc329
Publikováno v:
Jixie chuandong, Vol 45, Pp 1-7 (2021)
In order to realize the fast erection of electromechanical actuator， and the influence rule of the hinge position and output speed on output power and force in erection device is revealed， the hinge position and the output speed of the system are
Externí odkaz:
https://doaj.org/article/ef878c12dc5a4f8c8fcbf05eb749c88c
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
To reveal the error generation, transmission, and accumulation process, a comprehensive error analysis model is proposed in this paper; furthermore, the model is used to determine the influence on the transmission error and the error sensitivity of a
Externí odkaz:
https://doaj.org/article/b3330a6042484a11a57a2b8f543211b4
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
Lubrication condition has a strong effect on the service ability of planetary roller screw mechanism (PRSM), so how to effectively identify the lubrication condition of PRSM is highly important in practical industrial applications. A dynamic separabl
Externí odkaz:
https://doaj.org/article/3bd9fa85198a405a978aafd6a295c14a
Publikováno v:
Machines, Vol 10, Iss 11, p 1098 (2022)
The flight control effects and flight quality of the aircraft are influenced by the flap actuation system directly. The main motivation of this research is to develop a rigid-flexible model of the flap actuation system with clearance and to explore t
Externí odkaz:
https://doaj.org/article/0205a9d7678e426f934e646ba4b0b9b3
Publikováno v:
Jixie chuandong, Vol 43, Pp 12-17 (2019)
In order to study the influence of clearance joints on dynamic characteristics of space symmetrical deployment mechanism, based on an improved nonlinear impact force model, an space symmetrical deployment mechanism is used as an example, and comparat
Externí odkaz:
https://doaj.org/article/0a5126da560d47cdb1e3a34c2e5c078f
Publikováno v:
IEEE Access, Vol 7, Pp 57023-57036 (2019)
This paper proposes an efficient and noise-insensitive end-to-end lightweight deep learning method. The method synthesizes the characteristics of a frequency domain transform and a deep convolutional neural network. The former can extract multiscale
Externí odkaz:
https://doaj.org/article/5f40a953c5d34318aaf55c88cb3b19bd
Publikováno v:
Applied Sciences, Vol 12, Iss 10, p 5053 (2022)
In order to meet the requirements of servo systems, including sensitive and rapid adjustment, high control and motion accuracy, and strong working adaptability, in special application fields, such as high thrust and long travel, an adaptive inversion
Externí odkaz:
https://doaj.org/article/1615ef85219b42e18428c7aa98bab947
Publikováno v:
Machines, Vol 10, Iss 5, p 317 (2022)
Studying the motion and load-bearing characteristics of the planetary roller screw mechanism is the basis for the structural design and performance optimisation of the mechanism. The mechanical structures and working principles of different kinds of
Externí odkaz:
https://doaj.org/article/b072fc902b7b4b90b4f0d6ce99ef8c9e