激光手术刀原型的精度评估:激光光斑控制的综合测试和补偿分析

E. Niță, D. Comeagă, Mihai Avram
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引用次数: 0

摘要

文章建议创建一个专门用于激光光斑检测的图像处理应用程序,并设计一个实验装置来检查激光光斑的控制情况。在测试光机电一体化装置的最后阶段,为精确分析激光光斑的位置,我们精心设计了一个专门的装置。该实验装置将激光光斑投射到 1.5 米外的绘图纸上。水平放置在振动器上,对激光手术刀原型的底部进行可控振动。高分辨率摄像机以 2160p 和每秒 60 帧的速度捕捉激光光斑的移动。测试结束后,使用 MATLAB 进行视频处理,揭示激光光斑运动的细微差别。初始测试在振动器上引入 10 赫兹的正弦信号,从而引起图纸上激光光斑的摆动。我们录制了一段约 660 帧的简短视频,随后对其进行处理,以验证光学处理程序。这种全面的方法为评估设备的性能奠定了坚实的基础,确保在激光运行期间对诱导振动进行精确补偿。实验结果凸显了所提出的机制在提高激光工具的精度和稳定性方面的功效,从而为微创医疗干预的发展奠定了基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Precision evaluation of a laser scalpel prototype: comprehensive testing and compensation analysis for laser spot control
The article proposes the creation of an image processing application dedicated to laser spot detection, along with an experimental setup designed for the scrutiny of laser spot control. In the conclusive phase of testing the optomechatronic device, a specialized setup was intricately crafted for the precise analysis of the laser spot's position. This experimental arrangement involves the device projecting a laser spot onto graph paper positioned 1.5m away. Horizontally positioned on the shaker, controlled vibrations are imparted to the base of the laser scalpel prototype. A high-resolution video camera captures the laser spot's movement at 2160p and 60 frames per second. Following the tests, MATLAB is employed for video processing, revealing the nuances of the laser spot's motion. The initial test introduces a 10 Hz sinusoidal signal to the shaker, inducing oscillations in the laser spot on the graph paper. A brief video, comprising around 660 frames, is recorded, and subsequently processed to validate the optical processing procedure. This comprehensive methodology establishes a robust foundation for assessing the device's performance, ensuring precise compensation for induced vibrations during laser operation. The experimental findings highlight the efficacy of the proposed mechanism in augmenting the precision and stability of laser-based tools, thereby laying the groundwork for advancements in minimally invasive medical interventions.
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