Robotic Intelligence and Automation: Volume 44 Issue 6

Distributed fault estimation of nonlinear dynamical systems over sensor networks: a non-fragile approach

Shihui Tian, Ke Xu

The purpose of this paper is to investigate the fault estimation issue of nonlinear dynamical systems via distributed sensor networks. Furthermore, based on the communication…

Application of improved adaptive method of CEEMD and data-drive in fault diagnosis

Ming-Hui Liu, Jianbin Xiong, Chun-Lin Li, Weijun Sun, Qinghua Zhang, Yuyu Zhang

The diagnosis and prediction methods used for estimating the health conditions of the bearing are of great significance in modern petrochemical industries. This paper aims to…

Vision-based reinforcement learning control of soft robot manipulators

Jinzhou Li, Jie Ma, Yujie Hu, Li Zhang, Zhijie Liu, Shiying Sun

This study aims to tackle control challenges in soft robots by proposing a visually-guided reinforcement learning approach. Precise tip trajectory tracking is achieved for a soft…

Approximation-based adaptive two-bit-triggered bipartite tracking control for nonlinear networked MASs subject to periodic disturbances

Wenjing Wu, Ning Zhao, Liang Zhang, Yuhang Wu

This paper aims to investigate the problem of adaptive bipartite tracking control in nonlinear networked multi-agent systems (MASs) under the influence of periodic disturbances…

A novel combined control of flexible single-link manipulator based on singularly perturbed theory

Qixin Zhu, Wenxin Sun, Yehu Shen, Guizhong Fu, Yong Yang, Jinbin Li

This study aims to improve the control accuracy and antidisturbance performance of the manipulator with the flexible link, a combined controller, which combines the novel…

An efficient steel defect detection model based on multi-scale information extraction

Wenshen Xu, Yifan Zhang, Xinhang Jiang, Jun Lian, Ye Lin

In the field of steel defect detection, the existing detection algorithms struggle to achieve a satisfactory balance between detection accuracy, computational cost and inference…

A lightweight passive ankle exoskeleton adjusted stiffness by shape memory alloy

Jiao Ge, Jiaqi Zhang, Daheng Chen, Tiesheng Dong

The purpose of this paper is to actively calibrate power density to match the application requirements with as small an actuator as possible. So, this paper introduces shape…

Adaptive optimal observer for real-time state of charge estimation of lithium-ion batteries in robotic systems

Jun Zhao, Zhenguo Lu, Guang Wang

This study aims to address the challenge of the real-time state of charge (SOC) estimation for lithium-ion batteries in robotic systems, which is critical for monitoring remaining…

A novel multi-stream hand-object interaction network for assembly action recognition

Li Shaochen, Zhenyu Liu, Yu Huang, Daxin Liu, Guifang Duan, Jianrong Tan

Assembly action recognition plays an important role in assembly process monitoring and human-robot collaborative assembly. Previous works overlook the interaction relationship…

Integrating deep reinforcement learning and improved artificial potential field method for safe path planning for mobile robots

Sijie Tong, Qingchen Liu, Qichao Ma, Jiahu Qin

This paper aims to address the safety concerns of path-planning algorithms in dynamic obstacle warehouse environments. It proposes a method that uses improved artificial potential…

A high-efficiency positioning error compensation method for a large parallel mechanism based on pose correction similarity

Hongbin Li, Zhihao Wang, Nina Sun, Lianwen Sun

Considering the influence of deformation error, the target poses must be corrected when compensating for positioning error but the efficiency of existing positioning error…

A unified calibration method for robot manipulators: hand-eye parameters, kinematic parameters and TCP position calibration

Kang Min, Fenglei Ni, Zhaoyang Chen, Hong Liu

The purpose of the paper is to propose an efficient, simple and concise unified robot calibration method that simultaneously considers errors in hand-eye parameters, kinematic…

Profit-oriented balancing of two-sided disassembly lines with resource-dependent task times

Yuksel Degirmencioglu Demiralay, Yakup Kara

As a result of environmentally conscious production requirements in the world, the concept of disassembly has been a focus of interest by researchers and practitioners over the…

Optimizing pipeline assembly: a novel model for predicting assembly pose considering clamp constraints

Jia Cheng, Bin Gu, Chang Gao

This paper aims to develop an optimization model to enhance pipeline assembly performance. It focuses on predicting the pipeline’s assembly pose while ensuring compliance with…