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Acoustic tweezers can manipulate microscopic objects and cells independently of the optical, magnetic and electrical properties of the objects or their medium. However, because ultrasonic waves are attenuated within few millimeters,…

Fluid Dynamics · Physics 2022-03-29 Qing Wang , Shuhan Chen , Jia Zhou , Antoine Riaud

Magnetism is widely used for the wireless localization and actuation of robots and devices for medical procedures. However, current static magnetic localization methods suffer from large required magnets and are limited to only five degrees…

Robotics · Computer Science 2024-10-23 Felix Fischer , Christian Gletter , Moonkwang Jeong , Tian Qiu

We describe the construction of a motorized optical rotation mount with a 40 mm clear aperture. The device is used to remotely control the power of large diameter laser beams for a magneto-optical trap (MOT). A piezo-electric ultrasonic…

Instrumentation and Detectors · Physics 2013-03-05 Ana Rakonjac , Kris O. Roberts , Amita B. Deb , Niels Kjærgaard

Manipulation of small-scale matter is a fundamental topic in micro- and nanorobotics. Numerous magnetic robotic systems have been developed for the manipulation of microparticles in an ambient environment, liquid as well as on the…

Tailoring spin coupling to electric fields is central to spintronics and spin-based quantum information processing. We present an optimal micromagnet design that produces appropriate stray magnetic fields to mediate fast electrical spin…

This paper presents the DeltaZ robot, a centimeter-scale, low-cost, delta-style robot that allows for a broad range of capabilities and robust functionalities. Current technologies allow DeltaZ to be 3D-printed from soft and rigid materials…

Robotics · Computer Science 2023-08-15 Sarvesh Patil , Samuel C. Alvares , Pragna Mannam , Oliver Kroemer , F. Zeynep Temel

This paper introduces a learning-based modeling framework for a magnetically steerable soft suction device designed for endoscopic endonasal brain tumor resection. The device is miniaturized (4 mm outer diameter, 2 mm inner diameter, 40 mm…

Robotics · Computer Science 2026-02-06 Majid Roshanfar , Alex Zhang , Changyan He , Amir Hooshiar , Dale J. Podolsky , Thomas Looi , Eric Diller

The demand for high-precision and high-throughput motion control systems has increased significantly in recent years. The use of moving-magnet planar actuators (MMPAs) is gaining popularity due to their advantageous characteristics, such as…

Systems and Control · Electrical Eng. & Systems 2023-05-24 Yorick Broens , Hans Butler , Roland Tóth

Using micromagnets to enable electron spin manipulation in silicon qubits has emerged as a very popular method, enabling single-qubit gate fidelities larger than 99:9%. However, these micromagnets also apply stray magnetic field gradients…

Mesoscale and Nanoscale Physics · Physics 2021-09-15 N. I. Dumoulin Stuyck , F. A. Mohiyaddin , R. Li , M. Heyns , B. Govoreanu , I. P. Radu

Nanoscale magnetic resonance imaging (NanoMRI) is an active area of applied research with potential use in structural biology and quantum engineering. The success of this technological vision hinges on improving the instrument's sensitivity…

Microrobots hold promise for applications ranging from targeted delivery to enhanced mixing at the microscale. However, current fabrication techniques suffer from limited throughput and material selection. Here, we demonstrate a versatile…

Applied Physics · Physics 2021-11-09 Maximilian R. Bailey , Fabio Grillo , Nicholas D. Spencer , Lucio Isa

An external magnetic field can be used to remotely control small-scaled robots, making them promising candidates for diverse biomedical and engineering applications. We showed that our magnetically actuated millirobot is highly agile and…

Robotics · Computer Science 2021-11-09 Ehab Al Khatib , Pouria Razzaghi , Yildirim Hurmuzlu

This paper presents MicroRoboScope, a portable, compact, and versatile microrobotic experimentation platform designed for real-time, closed-loop control of both magnetic and acoustic microrobots. The system integrates an embedded computer,…

Robotics · Computer Science 2025-10-14 Max Sokolich , Yanda Yang , Subrahmanyam Cherukumilli , Fatma Ceren Kirmizitas , Sambeeta Das

We put forward a method for achieving fast and robust for magnetization reversal in a nanomagnet, by combining the inverse engineering and composite pulses. The magnetic fields, generated by microwave with time-dependent frequency, are…

Quantum Physics · Physics 2017-03-13 Ze-Guo Song , Han Wu , Si Wang , Yue Ban , Xi Chen

This paper develops a mechanical tool as well as its manipulation policies for 2-finger parallel robotic grippers. It primarily focuses on a mechanism that converts the gripping motion of 2-finger parallel grippers into a continuous…

Robotics · Computer Science 2021-08-10 Zhengtao Hu , Weiwei Wan , Keisuke Koyama , Kensuke Harada

Solid-state nanopores offer a powerful platform for nanoscale analysis of individual analytes, including biomolecules and functionalized nanoparticles, by confining them within a precisely defined sensing region. However, their inherently…

Perceiving the environment through touch is important for robots to reach in cluttered environments, but devising a way to sense without disturbing objects is challenging. This work presents the design and modelling of whisker-inspired…

Robotics · Computer Science 2022-10-25 Michael A. Lin , Emilio Reyes , Jeannette Bohg , Mark R. Cutkosky

In this paper, we present a control framework that allows magnetic microrobot teams to accomplish complex micromanipulation tasks captured by global Linear Temporal Logic (LTL) formulas. To address this problem, we propose an optimal…

It is well known that a closed loop of magnetic dipoles can give rise to the rather elusive toroidal moment. However, artificial structures required to generate the necessary magnetic moments are typically optically large, complex to make…

Optics · Physics 2017-01-11 Hong Xiang , Lixin Ge , Liang Liu , Tianshu Jiang , Z. Q. Zhang , C. T. Chan , Dezhuan Han

Magnetic microrobots have been developed for navigating microscale environments by means of remote magnetic fields. However, limited propulsion speeds at small scales remain an issue in the maneuverability of these devices as magnetic force…

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