Abstract
Micro/millimeter-scale magnetic robots have many potential biomedical applications. However, there are major challenges in using these devices for <i>in vivo</i> tasks due to limitations of imaging technology for real-time detection and navigation inside the human body. Ultrasound is a popular sensor for localizing such robots because it is easy to use and less expensive than other imaging methods. This letter studies methods to track and control a millimeter-scale rotating magnetic swimmer to perform path following. Detection using ultrasound B-mode and Doppler mode to track the robot during navigation are compared. In addition, an algorithm to perform 2.5D closed-loop control (controlling 3 degrees of freedom for a swimmer to follow a planar path) of the swimmer using only 2D ultrasound feedback was studied and tested experimentally.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
