Geometric analysis of a dual clutch lever-based electromechanical actuator with application to actuator dynamics modelling

Milutinović, Milan and Ivanović, Vladimir and Deur, Joško and Ščap, Dragutin (2012) Geometric analysis of a dual clutch lever-based electromechanical actuator with application to actuator dynamics modelling. = Geometric analysis of a dual clutch lever-based electromechanical actuator with application to actuator dynamics modelling. SAE International Journal of Passenger Cars - Mechanical Systems, 5 (2). pp. 865-875. ISSN 1946-3995. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. . Točan broj autora: 4.

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Abstract

This paper presents a practical and straightforward method of identifying geometry parameters of a cam-like lever-based electromechanical dual-clutch actuator, with application to actuator dynamics model parameterization. The lever-based actuator resembles a cam mechanism in that a movable roller fulcrum, driven by an electromotor through a ball-screw, drives the lever by direct contact along the lever profile. This necessitates the identification of the lever profile geometry in order to accurately model the mechanism dynamics. The identification method is based on the measured basic lever mechanism dimensions, experimentally recorded input-output response of the lever mechanism during unloaded operation, observed geometric constraints satisfied during operation, and common CAD software tools to conduct a CAD-based mechanism synthesis and position analysis. First, the geometry, i.e. shape, of the lever profile in contact with the roller fulcrum is determined by means of kinematic inversion. Next, the geometric parameters of the mechanism motion are determined by geometric analysis. Finally, the method is validated after incorporating results into the overall dynamics model of the electromechanical actuator. Experimental validation confirms the effectiveness of the proposed parameter identification method.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): actuator dynamics; ball-screw; cam mechanism; direct contact; dual clutch; dynamics models; experimental validations; geometric analysis; geometric constraint; geometric parameter; geometry parameter; identification method; input-output; kinematic inversion; lever mechanism; mechanism synthesis; position analysis; straight-forward method; cams; dynamics; electromechanical devices; geometry; electromechanical actuators
Subjects: TECHNICAL SCIENCE
Divisions: 400 Department of IC Engines and Mechanical Handling Equipment > 420 Chair of Mechanical Handling Equipment and Constructions
900 Department of Robotics and Production System Automation > 910 Chair of Engineering Automation
Indexed in Web of Science: Yes
Indexed in Current Contents: No
Date Deposited: 28 Apr 2015 09:54
Last Modified: 05 Oct 2018 11:22
URI: http://repozitorij.fsb.hr/id/eprint/3952

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