Zobrazeno 1 - 10
of 148
pro vyhledávání: '"Patrick KEOGH"'
Publikováno v:
International Journal of Prognostics and Health Management, Vol 9, Iss 3 (2018)
This paper presents a review of techniques to mitigate jamming in Electromechanical Actuators (EMA) for safety critical applications in aerospace. Published progress to date is evaluated, with the remaining challenges highlighted. Through the use of
Externí odkaz:
https://doaj.org/article/eb634627aa524c61bbef3c52d70ae050
Publikováno v:
International Journal of Prognostics and Health Management, Vol 9, Iss 3 (2018)
An enhanced model based approach to monitor friction within Electromechanical Actuator (EMA) ballscrews using motor current is presented. The research was motivated by a drive in the aerospace sector to implement EMAs for safety critical applications
Externí odkaz:
https://doaj.org/article/48b085b31d8f400196b84c53b750e453
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 4, Iss 3, p 79 (2020)
Due to their flexibility, low cost and large working volume, 6-axis articulated industrial robots are increasingly being used for drilling, trimming and machining operations, especially in aerospace manufacturing. However, producing high quality comp
Externí odkaz:
https://doaj.org/article/0a40de2845634d1f8cf1a6fc04f34b0f
Vibration reduction in a hollow-shaft rotor using flexibly-mounted internal-stator magnetic bearings
Autor:
Christopher LUSTY, Patrick KEOGH
Publikováno v:
Mechanical Engineering Journal, Vol 4, Iss 5, Pp 17-00008-17-00008 (2017)
A topology composed of a hollow-shaft rotor on rolling element bearings coupled with internal-stator magnetic bearings mounted on independently supported flexible shafts is considered for the purposes of vibration reduction. Details of a bespoke test
Externí odkaz:
https://doaj.org/article/4393c76586944f34a18fd9f5664c4442
Autor:
Patrick KEOGH, Matthew COLE
Publikováno v:
Mechanical Engineering Journal, Vol 4, Iss 5, Pp 17-00005-17-00005 (2017)
It is now common practice to supplement a magnetic bearing with a touchdown bearing to protect the rotor and stator components. Rotor/touchdown bearing contact may arise from rotor drop, caused by power loss or emergency shutdown. This paper consider
Externí odkaz:
https://doaj.org/article/fe32d707b7ca469c91b8e2dfc233d5b2
Autor:
Salvatore Circosta, Angelo Bonfitto, Christopher Lusty, Patrick Keogh, Nicola Amati, Andrea Tonoli
Publikováno v:
Actuators, Vol 7, Iss 4, p 87 (2018)
Flywheel Energy Storage Systems are interesting solutions for energy storage, featuring advantageous characteristics when compared to other technologies. This has motivated research effort focusing mainly on cost aspects, system reliability and energ
Externí odkaz:
https://doaj.org/article/8e049f5a5c8743cca2454e5650327bd0
Publikováno v:
Actuators, Vol 7, Iss 4, p 75 (2018)
Dielectric elastomers are in a special class of electro-active polymers known for generating expansion in plane and contraction in thickness under voltage application. This paper advances the understanding of a planar contractile dielectric elastomer
Externí odkaz:
https://doaj.org/article/18bc69d068fa4ff3a39d359e9edb69a1
Publikováno v:
Actuators, Vol 5, Iss 3, p 20 (2016)
This paper advances the design of Rod Pre-strained Dielectric Elastomer Actuators (RP-DEAs) in their capability to generate comparatively large static actuation forces with increased lifetime via optimized electrode arrangements. RP-DEAs utilize thin
Externí odkaz:
https://doaj.org/article/112794744fb646c9a243530e316364c4
Publikováno v:
International Journal of Computer Integrated Manufacturing. 36:393-410
Publikováno v:
International Journal of Computer Integrated Manufacturing. 35:129-144