脉冲宽度调制控制在EHD波形中的应用,优化打印性能。

IF 7.3 1区 工程技术 Q1 INSTRUMENTS & INSTRUMENTATION
Dongqiao Bai, Jin Huang, Hongxiao Gong, Jianjun Wang, Mengyang Su, Pengbing Zhao, Chaoyu Liang
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引用次数: 0

摘要

高分辨率3D打印,特别是电流体动力(EHD)打印,代表了先进制造应用的一种变革性方法,包括可穿戴电子产品、生物电子产品和软机器人。尽管具有潜力,但EHD打印面临着复杂的波形控制、有限的材料兼容性、卫星液滴形成和持续电荷积累等挑战。为了解决这些问题,提出了使用脉宽调制(PWM)控制来提高EHD打印性能的方法。通过实验和仿真,系统研究了占空比和脉冲细分对EHD打印的影响,分析了它们对喷射动力学、液滴形成、电荷积累和线条质量的影响。结果表明,PWM调制显著提高了喷射稳定性,使液滴直径减小了25%,最大限度地减少了卫星液滴的形成,并有效地减轻了电荷积累。此外,PWM控制被证明可以促进高质量图案的产生。值得注意的是,所提出的PWM方法与现有的波形控制设置兼容,无需进行实质性修改即可提供更高的精度和稳定性。这些发现强调了pwm控制的EHD打印在电子和功能设备生产中实现高分辨率、多功能制造的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Application of pulse width modulation control in EHD waveform to optimize printing performance.

High-resolution 3D printing, particularly electrohydrodynamic (EHD) printing, represents a transformative approach for advanced manufacturing applications, including wearable electronics, bioelectronics, and soft robotics. Despite its potential, EHD printing faces challenges such as complex waveform control, limited material compatibility, satellite droplet formation, and continuous charge accumulation. To address these issues, the use of pulse-width modulation (PWM) control is proposed to enhance EHD printing performance. The influence of duty cycles and pulse subdivisions on EHD printing was systematically investigated through experiments and simulations, analyzing their effects on jetting dynamics, droplet formation, charge accumulation, and line quality. The results demonstrate that PWM modulation significantly improves jetting stability, reduces droplet diameter by up to 25%, minimizes satellite droplet formation, and effectively mitigates charge accumulation. Furthermore, PWM control was shown to facilitate the production of high-quality patterns. Notably, the proposed PWM approach is compatible with existing waveform control setups, offering enhanced precision and stability without requiring substantial modifications. These findings underscore the potential of PWM-controlled EHD printing for achieving high-resolution, versatile manufacturing in electronics and functional device production.

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来源期刊
Microsystems & Nanoengineering
Microsystems & Nanoengineering Materials Science-Materials Science (miscellaneous)
CiteScore
12.00
自引率
3.80%
发文量
123
审稿时长
20 weeks
期刊介绍: Microsystems & Nanoengineering is a comprehensive online journal that focuses on the field of Micro and Nano Electro Mechanical Systems (MEMS and NEMS). It provides a platform for researchers to share their original research findings and review articles in this area. The journal covers a wide range of topics, from fundamental research to practical applications. Published by Springer Nature, in collaboration with the Aerospace Information Research Institute, Chinese Academy of Sciences, and with the support of the State Key Laboratory of Transducer Technology, it is an esteemed publication in the field. As an open access journal, it offers free access to its content, allowing readers from around the world to benefit from the latest developments in MEMS and NEMS.
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