Zobrazeno 1 - 10
of 244
pro vyhledávání: '"Servo actuator"'
Autor:
Vladimir Stojanovic
Publikováno v:
Mathematical Modelling and Control, Vol 3, Iss 3, Pp 181-191 (2023)
The fault-tolerant control problem of a hydraulic servo actuator in the presence of actuator faults is studied utilizing adaptive dynamic programming. This task is challenging because of unknown system dynamics, uncertain disturbances or unmeasurable
Externí odkaz:
https://doaj.org/article/148cc33d806d4c62be99191d7163766c
Publikováno v:
Mathematical Biosciences and Engineering, Vol 20, Iss 5, Pp 8561-8582 (2023)
Hydraulic servo actuators (HSAs) are often used in the industry in tasks that request great power, high accuracy and dynamic motion. It is well known that an HSA is a highly complex nonlinear system, and that the system parameters cannot be accuratel
Externí odkaz:
https://doaj.org/article/04b1228dd6774bc9bc4fe788cb07c0a7
Publikováno v:
Jixie chuandong, Vol 46, Pp 8-14 (2022)
The high thrust electro-mechanical servo actuator in rocket launcher is a linear transmission mechanism with high precision planetary roller screw as its core component. In order to study the fatigue stability characteristics of planetary roller scre
Externí odkaz:
https://doaj.org/article/8f70a1e2d5d041aeac0acd41926159d2
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 40, Iss 2, Pp 401-406 (2022)
Flutter wind tunnel test is an important approach of investigation of transonic flutter characteristics of flight vehicle. Comparing with the blow-down wind tunnel, the long-running and low dynamic pressure capabilities of continuous transonic wind t
Externí odkaz:
https://doaj.org/article/fd2cb3001a6045b88da7a9a8ce649073
Publikováno v:
Aerospace, Vol 10, Iss 10, p 868 (2023)
Vibrations generated by the main rotor-gearbox assembly in a helicopter are the principal cause of damage to cockpit instruments and crew discomfort in terms of cabin noise. The principal path of vibration transmission to the fuselage is through the
Externí odkaz:
https://doaj.org/article/400e0b8c67d04516b2253b1a933070c9
Autor:
Vladimir Djordjevic, Ljubisa Dubonjic, Marcelo Menezes Morato, Dragan Prsic, Vladimir Stojanovic
Publikováno v:
Mathematical Modelling and Control, Vol 2, Iss 1, Pp 34-43 (2022)
In this paper, the mechanism for the fault estimation (FE) problem for a hydraulic servo actuator (HSA) with sensor faults is investigated. To deal with the design issues, we transformed the nonlinear model of HSA into a new coordinate system to esti
Externí odkaz:
https://doaj.org/article/1640c9a98fc24e8a9c78a6e82e2ed25f
Publikováno v:
Aerospace, Vol 10, Iss 5, p 391 (2023)
The helicopter vibrations generated by the main rotor/gearbox assembly are the principal cause of damage to cockpit instruments and discomfort of the crew in terms of cabin noise. The principal path of vibration transmission to the fuselage is throug
Externí odkaz:
https://doaj.org/article/fc8be68ba2d944609b927495c7b230ec
Autor:
Anmar F. Abd, Shibly A. Al-Samarraie
Publikováno v:
Engineering and Technology Journal, Vol 39, Iss 2A, Pp 248-259 (2021)
This paper proposes the use of the integral sliding mode control (ISMC) based on the barrier function to control the servo actuator system with friction. Based on the barrier function, the main features of the ISMC design were preserved, additionally
Externí odkaz:
https://doaj.org/article/3fdbc1b4a9fb4e6e98b861f1ec8e2a6a
Publikováno v:
Applied Sciences, Vol 13, Iss 5, p 3349 (2023)
The membrane-type air spring can be used to suppress lateral vibration of a vibration isolation table. However, compared to voice coil actuators, pneumatic actuators are difficult to use for precise vibration control, because servo valves have nonlin
Externí odkaz:
https://doaj.org/article/12bd9165ba4a479ea02420a9df31ce09
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