[HTML][HTML] Modeling and simulation of a high-redundancy direct-driven linear electromechanical actuator for fault-tolerance under various fault conditions

AM Gollapudi, V Velagapudi, S Korla - Engineering Science and …, 2020 - Elsevier
The high-redundancy actuator (HRA) is a linear displacement actuation system, which
consists of a large number of small electromechanical actuation elements arranged in a …

Development of a high redundancy actuator with direct driven linear electromechanical actuators for fault-tolerance

GA Manohar, V Vasu, K Srikanth - Procedia computer science, 2018 - Elsevier
Abstract The High Redundancy Actuator (HRA) deals with the intrinsic fault-tolerance
actuation by having a large number of small actuation elements coupled in series and …

Hra-intrinsically fault tolerant actuation through high redundancy

R Dixon, T Steffen, J Davies, RM Goodall… - IFAC Proceedings …, 2009 - Elsevier
The aim of this paper is to summarise on-going research into a new method of providing
fault tolerant actuators for high-integrity and/or safety-critical applications. The High …

Redundancy management strategy for electro-hydraulic actuators based on intelligent algorithms

W Li, G Shi - Advances in Mechanical Engineering, 2020 - journals.sagepub.com
This paper explores three methods for electro-hydraulic actuator redundancy management
strategies based on fuzzy aggregation, Mamdani's fuzzy logic rules, and fuzzy neural …

Multi-agent control of high redundancy actuation

J Davies, R Dixon, RM Goodall, T Steffen - International Journal of …, 2014 - Springer
The high redundancy actuator (HRA) concept is a novel approach to fault tolerant actuation
that uses a high number of small actuation elements, assembled in series and parallel in …

Gain-scheduled controller for fault accommodation in linear parameter varying systems with imprecise measurements

LP Carvalho, JM Palma, TE Rosa, B Jayawardhana… - IFAC-PapersOnLine, 2021 - Elsevier
We present the design of H∞ and H 2 gain-scheduled fault-accommodation controllers for
discrete-time Linear Parameter Varying systems. We design our conditions as Bilinear …

Review of Aerospace Actuator Technology

W Li, G Shi - Fluid Power Systems Technology, 2020 - asmedigitalcollection.asme.org
Actuator systems are widely used in rockets, missiles, airplanes, and other aerospace
vehicles for the attitude control of aerospace. The application of high-performance actuators …

Modeling and simulation of high redundancy actuator for fault-tolerance

GA Manohar, V Vasu, K Srikanth - Materials Today: Proceedings, 2018 - Elsevier
Abstract The High Redundancy Actuator (HRA) deals with the intrinsic fault-tolerance
actuation by having a large number of small actuation elements coupled in series and …

Highly redundant and fault tolerant actuator system: control, condition monitoring and experimental validation

HP Antong - 2017 - repository.lboro.ac.uk
This thesis is concerned with develo** a control and condition monitoring system for a
class of fault tolerant actuators with high levels of redundancy. The High Redundancy …

Experimental verification of high redundancy actuation

T Steffen, R Dixon, J Pearson… - … Conference on Control …, 2010 - ieeexplore.ieee.org
This paper demonstrates a new method of providing fault tolerant actuators for high-integrity
and safety-critical applications. The High Redundancy Actuator (HRA) uses a large number …