MechSense: A Design and Fabrication Pipeline for Integrating Rotary Encoders into 3D Printed Mechanisms
MechSense: A Design and Fabrication Pipeline for Integrating Rotary Encoders into 3D Printed Mechanisms
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MechSense:将旋转编码器集成到 3D 打印机构中的设计和制造流程
DOI:
10.1145/3544548.3581361
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Wessely, Michael
中科院分区:
文献类型:
--
作者:
Alalawi, Marwa;Pacik-Nelson, Noah;Zhu, Junyi;Greenspan, Ben;Doan, Andrew;Wong, Brandon M;Owen-Block, Benjamin;Mickens, Shanti Kaylene;Schoeman, Wilhelm Jacobus;Wessely, Michael
We introduce MechSense, 3D-printed rotary encoders that can be fabricated in one pass alongside rotational mechanisms, and report on their angular position, direction of rotation, and speed. MechSense encoders utilize capacitive sensing by integrating a floating capacitor into the rotating element and three capacitive sensor patches in the stationary part of the mechanism. Unlike existing rotary encoders, MechSense does not require manual assembly but can be seamlessly integrated during design and fabrication. Our MechSense editor allows users to integrate the encoder with a rotating mechanism and exports files for 3D-printing. We contribute a sensor topology and a computational model that can compensate for print deviations. Our technical evaluation shows that MechSense can detect the angular position (mean error: 1.4°) across multiple prints and rotations, different spacing between sensor patches, and different sizes of sensors. We demonstrate MechSense through three application examples on 3D-printed tools, tangible UIs, and gearboxes.
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