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- W657636371 abstract "The goal of the present work is to study the internal parameters of an integrated electro-hydraulic actuator (IEHA) for robotic applications, as well as identifying the influence of each parameter on the behaviour of the system, depending on the specified task to accomplish. Compactness of IEHA makes it difficult to measure the internal variables of the system, such as micro-pump’s leakage, and internal pressure drop, while it is important to study the effect of configuring the internal variables on the behaviour and energy efficiency of the system, before modifying the latter in future prototypes. Hence, development of a model of the actuator will help us identify the different issues of the system and propose new solutions to improve its dynamic behaviour. The effectiveness of the developed virtual model allows for quick and accurate evaluation of the internal parameters early in the design and development stage. The mechanism and dynamic equations of IEHA are presented. The actuator is simulated firstly by implementing the dynamic models in MATLAB-Simulink environment, and secondly in MATLAB-SimHydraulics. The different parameters and hydraulic phenomena that play a crucial role in the performance of the system are discussed. Optimizing these parameters improves the mechanical energy efficiency, volumetric efficiency, and response time of the overall system. The concept of energy storage and its implementation in the architecture of IEHA is presented. Examples of periodic tasks (jumping, walking) are used to show how a good energy storage strategy could make the actuator autonomous and smaller in terms of necessary hydraulic sources." @default.
- W657636371 created "2016-06-24" @default.
- W657636371 creator A5047610993 @default.
- W657636371 date "2013-01-01" @default.
- W657636371 modified "2023-09-27" @default.
- W657636371 title "Modelling and identification of a highly integrated electro-hydraulic energy converter for robotic applications" @default.
- W657636371 hasPublicationYear "2013" @default.
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