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Navigation and Cooperative Control for Nanorobots in the Bloodstream Environment Based on Swarm Intelligence

[+] Author Affiliations
S. Ahmed, S. E. Amin, T. Elarif

Ain Shams University, Cairo, Egypt

Paper No. DETC2015-46506, pp. V009T07A005; 8 pages
doi:10.1115/DETC2015-46506
From:
  • ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 9: 2015 ASME/IEEE International Conference on Mechatronic and Embedded Systems and Applications
  • Boston, Massachusetts, USA, August 2–5, 2015
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5719-9
  • Copyright © 2015 by ASME

abstract

In this paper, an innovative technique was tested to solve the path-planning problem of swarm nanorobots’ navigation within the human environment. Blood elements were treated as obstacles to nanorobot movement. Blood flow was also factored into the movement problem, as was the environment’s physical properties, including blood viscosity and density, both of which can potentially affect nanorobot behavior. To account for all these considerations in a human body environment, two algorithms were combined, yielding a single algorithm responsible for the self-organized control of nanorobots to avoid obstacles during their movement trajectory. The technique is based on modification of the Particle Swarm Optimization algorithm, referred to as the MPSO algorithm which is classified as a swarm intelligence algorithm, and modification of the Obstacle Avoidance Algorithm, referred to as the MOA algorithm. The proposed MPSO algorithm generated the best locations in a given operational area enabling nanorobots to detect the target areas. The proposed MOA algorithm allowed nanorobots to efficiently avoid collision with blood elements. The simulation results show that the combined MPSO-MOA algorithm safely routes all nanorobots past blood elements while navigating within the human body.

Copyright © 2015 by ASME
Topics: Navigation

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