基于改进Canny-FAST算法的折叠翼几何尺寸自动化测量

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Automatic measurement of folding wing geometry size based on improved Canny-FAST

CAIYindil*，SUN Zimeng¹，LIShixiong¹，NIUChao 1 ，GETaikun 2 ，GAO Xinwei² （1. College fMechanical Engineering，Dalian University of Technology，Dalian 116081，China; 2. China Airborne Missile Academy，Luoyang 47lOo9，China） * Corresponding author，E-mail： caiyd@dlut. edu. cn

Abstract： In order to achieve high-precision and high-eficiency measurements of the folding wing geometry of non-standard complex components，an automatic measurement method based on an improved Canny-FAST algorithm was proposed. This method addresses the challenges of low measurement accuracy， poor repeatability，and reduced eficiency associated with traditional manual measurement techniques.The Douglas-Peucker algorithm was integrated into the conventional Canny-FAST approach to enhance contour feature simplification，thereby improving extraction accuracy and robustness. An automatic measurement system for folding wing geometry was developed based on this method. By establishing seamless interactive communication between the measurement module and the motion module，measurement that is automatic，high-precision，stable，and efficient was realized.The performance of the self-developed auto matic measurement system is verified，with length measurement accuracy exceeding 65μm and angle measurement accuracy better than 0.049∘ ，thus meeting the requirements for folding wing geometry assessments.

Key Words： folding wing； image mosaic； automation; Canny-FAST algorithm； Douglas-Peucker algo-rithm

1引言

折叠翼是导弹上的一个非标复杂构件，通常以折叠状态装载在内埋式弹舱内并与舱体相连接，在导弹发射后展开，为导弹飞行提供升力。（剩余13007字）