Modelling and motion control of a liquid metal droplet in a fluidic channel

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Modelling and motion control of a liquid metal droplet in a fluidic channel. / Xie, Jie; Li, Fangxia; Kuang, Shaolong; Yang, Hao; Li, Xiangpeng; Tang, S.-Y.; Li, Weihua; Zhang, Shiwu.

In: IEEE/ASME Transactions on Mechatronics, Vol. 25, No. 2, 04.2020, p. 942-950.

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Xie, Jie ; Li, Fangxia ; Kuang, Shaolong ; Yang, Hao ; Li, Xiangpeng ; Tang, S.-Y. ; Li, Weihua ; Zhang, Shiwu. / Modelling and motion control of a liquid metal droplet in a fluidic channel. In: IEEE/ASME Transactions on Mechatronics. 2020 ; Vol. 25, No. 2. pp. 942-950.

Bibtex

@article{f0deae12a7984a0bb130d5131702d381,
title = "Modelling and motion control of a liquid metal droplet in a fluidic channel",
abstract = "As an emerging multifunctional material, Gallium-based room temperature liquid metal has attracted a lot of attention for a variety of applications due to its mobility and deformability. However, controlling the motion of a liquid metal droplet accurately still remains unrevealed, which restricts its application in many fields. In this article, we propose a hybrid framework that would control the motion of a liquid metal droplet in a one-dimensional (1-D) fluidic channel. A dynamic model of a liquid metal droplet immersed in the electrolyte when an electrical field is applied to each end of the channel is discussed first, followed by a setpoint controller designed to calculate the current input needed to drive the liquid metal droplet to its destination with vision feedback. To obtain the desired high-resolution current output, a fast and high-resolution current output power supply will be established by integrating a fast PID controller and a simple programmable dc power supply. The effectiveness of this proposed approach will be verified by controlling a liquid metal droplet so that it reaches its destination inside the polymethyl methacrylate channel. In this article, the proposed approach may lead to the development of tiny soft robots, or microfluidic systems that can be driven accurately by the liquid metal droplets.",
keywords = "Dynamic model, liquid metal droplets, setpoint control, soft robotics, surface tension",
author = "Jie Xie and Fangxia Li and Shaolong Kuang and Hao Yang and Xiangpeng Li and S.-Y. Tang and Weihua Li and Shiwu Zhang",
year = "2020",
month = apr,
doi = "10.1109/tmech.2020.2964387",
language = "English",
volume = "25",
pages = "942--950",
journal = "IEEE/ASME Transactions on Mechatronics",
issn = "1083-4435",
publisher = "Institute of Electrical and Electronics Engineers (IEEE)",
number = "2",

}

RIS

TY - JOUR

T1 - Modelling and motion control of a liquid metal droplet in a fluidic channel

AU - Xie, Jie

AU - Li, Fangxia

AU - Kuang, Shaolong

AU - Yang, Hao

AU - Li, Xiangpeng

AU - Tang, S.-Y.

AU - Li, Weihua

AU - Zhang, Shiwu

PY - 2020/4

Y1 - 2020/4

N2 - As an emerging multifunctional material, Gallium-based room temperature liquid metal has attracted a lot of attention for a variety of applications due to its mobility and deformability. However, controlling the motion of a liquid metal droplet accurately still remains unrevealed, which restricts its application in many fields. In this article, we propose a hybrid framework that would control the motion of a liquid metal droplet in a one-dimensional (1-D) fluidic channel. A dynamic model of a liquid metal droplet immersed in the electrolyte when an electrical field is applied to each end of the channel is discussed first, followed by a setpoint controller designed to calculate the current input needed to drive the liquid metal droplet to its destination with vision feedback. To obtain the desired high-resolution current output, a fast and high-resolution current output power supply will be established by integrating a fast PID controller and a simple programmable dc power supply. The effectiveness of this proposed approach will be verified by controlling a liquid metal droplet so that it reaches its destination inside the polymethyl methacrylate channel. In this article, the proposed approach may lead to the development of tiny soft robots, or microfluidic systems that can be driven accurately by the liquid metal droplets.

AB - As an emerging multifunctional material, Gallium-based room temperature liquid metal has attracted a lot of attention for a variety of applications due to its mobility and deformability. However, controlling the motion of a liquid metal droplet accurately still remains unrevealed, which restricts its application in many fields. In this article, we propose a hybrid framework that would control the motion of a liquid metal droplet in a one-dimensional (1-D) fluidic channel. A dynamic model of a liquid metal droplet immersed in the electrolyte when an electrical field is applied to each end of the channel is discussed first, followed by a setpoint controller designed to calculate the current input needed to drive the liquid metal droplet to its destination with vision feedback. To obtain the desired high-resolution current output, a fast and high-resolution current output power supply will be established by integrating a fast PID controller and a simple programmable dc power supply. The effectiveness of this proposed approach will be verified by controlling a liquid metal droplet so that it reaches its destination inside the polymethyl methacrylate channel. In this article, the proposed approach may lead to the development of tiny soft robots, or microfluidic systems that can be driven accurately by the liquid metal droplets.

KW - Dynamic model

KW - liquid metal droplets

KW - setpoint control

KW - soft robotics

KW - surface tension

UR - http://www.scopus.com/inward/record.url?scp=85084011077&partnerID=8YFLogxK

U2 - 10.1109/tmech.2020.2964387

DO - 10.1109/tmech.2020.2964387

M3 - Article

VL - 25

SP - 942

EP - 950

JO - IEEE/ASME Transactions on Mechatronics

JF - IEEE/ASME Transactions on Mechatronics

SN - 1083-4435

IS - 2

ER -