An Electric Nose Wheel Steering System for Aircrafts
An Electric Nose Wheel Steering System for Aircrafts
- Author(s): Hao Wu ; Bo Yang ; Aping Wang ; Zhenjin Nie ; Sijia Cao
- DOI: 10.1049/cp.2018.0158
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- Author(s): Hao Wu ; Bo Yang ; Aping Wang ; Zhenjin Nie ; Sijia Cao Source: CSAA/IET International Conference on Aircraft Utility Systems (AUS 2018), 2018 page (3 pp.)
- Conference: CSAA/IET International Conference on Aircraft Utility Systems (AUS 2018)
- DOI: 10.1049/cp.2018.0158
- ISBN: 978-1-78561-791-1
- Location: Guiyang, China
- Conference date: 19-22 June 2018
- Format: PDF
An electric nose wheel steering system for aircrafts was introduced. For high reliability, dual identical RS422 buses are used as well as a dissimilar redundancy feedback strategy incorporating both the screw's linear displacement and the nose wheel output angular displacement. A fork-link mechanism structure is connected with the ball-screw to drive the nose wheel for both a high reduction ratio and a large torque output. A hydraulic damper is embedded in the mechanism to buffer the impact loads. Simulations and tests were finished, showing a good conformity.
Inspec keywords: vibration control; redundancy; position control; damping; wheels; displacement control; aircraft; ball screws; steering systems; feedback
Subjects: Other final control equipment; Aerospace control; Mechanical variables control; Spatial variables control
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