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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/106091


    Title: Kinematic Analysis of a Flapping-wing Micro-aerial-vehicle with Watt Straight-line Linkage
    Authors: C.H. Liu;C-K Chen
    Keywords: Micro-aerial-vehicle;Forward Position Analysis;Watt Straight-line Linkage;Stephenson Type III six-bar Linkage
    Date: 2015/12/30
    Issue Date: 2016-04-22 13:19:33 (UTC+8)
    Abstract: In this study kinematic analysis of a particular flapping wing MAV is performed to check the
    symmetry of the two lapping wings. In this MAV symmetry is generated by a Watt straight line
    mechanism. After appended by two more links to provide a continuous input, and it becomes a
    Stephenson type III six-bar linkage. Together with the two wings the vehicle has 10 links and 13 joints.
    Since a Watt four-bar linkage can only generate approximate straight lines, the deviation from an exact
    straight line causes phase lags of the two wings. The goal of this study is to determine the phase lags.
    To achieve this goal a forward kinematic analysis of the Stephenson III linkage is performed, which
    refers to the procedures that may determine the position, velocity, and acceleration of the MAV.
    Among these procedures, position analysis involves equations that are highly nonlinear and deserves
    special attention.
    The authors developed two solution techniques for the forward position analysis of Stephenson
    III mechanisms: an analytic procedure which leads to closed-from solutions; and a numerical
    technique to obtain approximate solutions. We use the numerical technique to perform kinematic
    analysis because solutions obtained by the two methods agree almost exactly but the numerical method
    is much faster. We analyzed the MAV with the same dimension as the real model, and found it to have
    very good symmetry with negligible phase lags between the two wings.
    Relation: Journal of Applied Science and Engineering 18(4), pp.355-362
    DOI: 10.6180/jase.2015.18.4.06
    Appears in Collections:[機械與機電工程學系暨研究所] 期刊論文

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