Visual servoing of continuum robots: Methods, challenges, and prospects

AA Nazari, K Zareinia… - The International Journal …, 2022 - Wiley Online Library
Background Recent advancements in continuum robotics have accentuated develo**
efficient and stable controllers to handle shape deformation and compliance. The control of …

RNN for repetitive motion generation of redundant robot manipulators: An orthogonal projection-based scheme

Z **e, L **, X Luo, Z Sun, M Liu - IEEE Transactions on Neural …, 2020 - ieeexplore.ieee.org
For the existing repetitive motion generation (RMG) schemes for kinematic control of
redundant manipulators, the position error always exists and fluctuates. This article gives an …

[HTML][HTML] A review on machine learning in flexible surgical and interventional robots: Where we are and where we are going

D Wu, R Zhang, A Pore, D Dall'Alba, XT Ha, Z Li… - … Signal Processing and …, 2024 - Elsevier
Abstract Minimally Invasive Procedures (MIPs) emerged as an alternative to more invasive
surgical approaches, offering patient benefits such as smaller incisions, less pain, and …

4-dof visual servoing of a robotic flexible endoscope with a predefined-time convergent and noise-immune adaptive neural network

Y Huang, W Li, X Zhang, J Li, Y Li, Y Sun… - IEEE/ASME …, 2023 - ieeexplore.ieee.org
Endoscopes provide views inside the patient's body during minimally invasive surgery.
Although various robotic endoscopes have been developed to reduce surgeons' workload in …

Towards semi-autonomous colon screening using an electromagnetically actuated soft-tethered colonoscope based on visual servo control

Y Li, WY Ng, W Li, Y Huang, H Zhang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Objective: Conventional colonoscopy using a flexible colonoscope remains two major
limitations, including patient discomfort and difficult manipulations for surgeons. Robotic …

A family of RCM mechanisms: type synthesis and kinematics analysis

Z Wang, W Zhang, X Ding - International Journal of Mechanical Sciences, 2022 - Elsevier
The remote center-of-motion (RCM) mechanism plays an important role in surgery robotics,
exoskeleton robots, haptic devices, pointing mechanisms and so on because of the …

Accelerated dual neural network controller for visual servoing of flexible endoscopic robot with tracking error, joint motion, and RCM constraints

Z Cui, W Li, X Zhang, PWY Chiu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Aiming at the requirements for endoscope in minimally invasive surgery, a dual neural
network (DNN) controller is designed for a flexible endoscopic robot (FER) with 10 DOF …

Data-driven control for continuum robots based on discrete zeroing neural networks

N Tan, P Yu, Z Zhong, Y Zhang - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The effectiveness of continuous-time zeroing neural network (ZNN)(CZNN) in continuum
robot control has been preliminarily verified. However, CZNN is not friendly to digital devices …

A gradient-based neural network accelerated for vision-based control of an RCM-constrained surgical endoscope robot

W Li, L Han, X **ao, B Liao, C Peng - Neural Computing and Applications, 2022 - Springer
This paper presents an accelerated gradient-based neural network (GNN) to achieve visual
servoing of a surgical endoscope robot. A KUKA LWR 4+ robot with seven joints is used to …

A novel flexible robotic endoscope with constrained tendon-driven continuum mechanism

X Zhang, W Li, PWY Chiu, Z Li - IEEE Robotics and Automation …, 2020 - ieeexplore.ieee.org
This letter presents a novel flexible robotic endoscope with a constrained tendon-driven
continuum mechanism (CTCM) which is targeted for bariatric surgery. The robotic …