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Article
Modeling and Experimental Validation of Anchoring Resistance of the Radial Expanding Capsule Robot in the Intestine
The anchoring performance of the radial expanding capsule robot (RECR) in the intestine is crucial to the accuracy of the examination. However, there is a lack of relevant research at present. In this article,...
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Article
The interior transmission eigenvalue problem for an anisotropic medium by a partially coated boundary
We consider the interior transmission eigenvalue problem corresponding to the scattering for an anisotropic medium of the scalar Helmholtz equation in the case where the boundary ∂Ω is split into two disjoint ...
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Article
A Wireless Power Transfer System Based on a Hybrid Transmitting Coil for Targeted Therapy Microrobots in the Intestine
A wireless power transfer system for targeted therapy microrobots has been received more attention recently. However, it usually fails to work due to weak coupling caused by misalignment in position and angle ...
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Article
Uniqueness of Inverse Transmission Scattering with a Conductive Boundary Condition by Phaseless Far Field Pattern
In this paper, we establish the unique determination result for inverse acoustic scattering of a penetrable obstacle with a general conductive boundary condition by using phaseless far field data at a fixed fr...
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Article
Preliminary Study on a Three-coil Wireless Power Transfer System for Endoscope Micro-robot of Intestinal Diagnosis: Design, Optimization and Validation
A wireless power transfer (WPT) system based on inductive resonant coupling makes it possible for endoscope micro robot (EMR) to explore intestine noninvasively. However, due to the increased demand for energy...
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Article
The factorization method for inhomogeneous medium with an impenetrable obstacle
This paper is concerned with the inverse scattering problem of time-harmonic acoustic waves by a mixed-type scatterer. Such a scatterer is given as the union of an inhomogeneous medium with unknown buried obje...
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Article
Design and testing of a novel gastrointestinal microrobot
In order to improve the reliability, safety and whole digestive applicability of the gastrointestinal microrobot (GMR), a novel inchworm-like GMR is proposed in this paper. The expanding mechanism of the robot...
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Article
Modelling on mutual inductance of wireless power transfer for capsule endoscopy
Wireless capsule endoscopy (WCE) is noninvasive, painless, and riskless on detection for gastrointestinal disease. It attracts increasing attention. Wireless power transfer (WPT) technology is utilized to supp...
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Article
Optimization and analysis of Helmholtz-like three-coil wireless power transfer system applied in gastrointestinal robots
Wireless power transfer (WPT) systems based on magnetic resonance provides a possible method to supply energy for implantable medical devices, such as gastrointestinal robots and wireless capsule endoscopes. H...
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Article
Stabilization of chaotic systems via act-and-wait delayed feedback control using a high-precision direct integration method
A technique for the numerical analysis of the stability problem in chaotic systems via act-and-wait delayed feedback control is developed and justified. Recently, act-and-wait modification of a delayed feedbac...
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Article
Optimization design of extensor for improving locomotion efficiency of inchworm-like capsule robot
An inchworm-like capsule robot (ILCR) is a promising device for a minimally invasive diagnosis and treatment of colon diseases. It consists of two expanders and one extensor, the former provides a traction for...
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Article
The factorization method for cracks in inhomogeneous media
We consider the inverse scattering problem of determining the shape and location of a crack surrounded by a known inhomogeneous media. Both the Dirichlet boundary condition and a mixed type boundary conditions...
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Article
The factorization method for the inverse scattering problem from thin dielectric objects
We consider the inverse scattering problem of determining the shape and position of a thin dielectric infinite cylinder having an open arc as cross section from the knowledge of the related far field data. The...
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Article
Design of a video capsule endoscopy system with low-power ASIC for monitoring gastrointestinal tract
In recent years, wireless capsule endoscopy (WCE) has been a state-of-the-art tool to examine disorders of the human gastrointestinal tract painlessly. However, system miniaturization, enhancement of the image...
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Article
Frictional and Viscous Characteristics of an Expanding–Extending Robotic Endoscope in the Intestinal Environment
The development of robotic endoscopes is heading in the direction of intraluminal detection, but some features of the intestinal tract have hindered progress. This study aims to explore the frictional and visc...
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Article
Low-Power Wireless Electronic Capsule for Long-Term Gastrointestinal Monitoring
Combining ASIC and multiple microsensors low-power wireless electronic capsule was developed for the long-term monitoring of the entire human gastro-intestinal (GI) tract. To meet the system requirements, seve...
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Article
Dynamic delayed feedback control for stabilizing the giant swing motions of an underactuated three-link gymnastic robot
This paper investigates the dynamics of the giant swing motions of an underactuated three-link gymnastic robot moving in a vertical plane by means of dynamic delayed feedback control (DDFC). DDFC, being one of...
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Article
Stabilization of discrete-time chaotic systems via improved periodic delayed feedback control based on polynomial matrix right coprime factorization
Delayed feedback control, proposed by Pyragas,is one of useful control methods of stabilizing unstable periodic orbits of chaotic systems without their exact information. This paper discusses an improved perio...
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Article
Bleeding Detection in Wireless Capsule Endoscopy Based on Probabilistic Neural Network
Wireless Capsule Endoscopy (WCE), which allows clinicians to inspect the whole gastrointestinal tract (GI) noninvasively, has bloomed into one of the most efficient technologies to diagnose the bleeding in GI ...
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Chapter and Conference Paper
Researches on Spatio-temporal Expressions of Intestinal Pressure Activity Acquired by the Capsule Robot
Aim: To give researches on the spatio-temporal expressions of the intestinal pressure activity. Methods: The intestinal pressure activity was acquired by using a capsule robot invented for functional diagnosis...
