Global sampled-data output feedback stabilization for a class of uncertain nonlinear systems

H Du, C Qian, S Li, Z Chu - Automatica, 2019 - Elsevier
This paper investigates the global asymptotical stabilization using sampled-data output
feedback (ie, not all state information is available at the output) for a class of nonlinear systems …

Hovering control for quadrotor aircraft based on finite-time control algorithm

W Zhu, H Du, Y Cheng, Z Chu - Nonlinear Dynamics, 2017 - Springer
In this paper, a finite-time controller is proposed for the quadrotor aircraft to achieve hovering
control in a finite time. The design of controller is mainly divided into two steps. Firstly, a …

Adaptive fractional-order genetic-particle swarm optimization Otsu algorithm for image segmentation

L Chen, J Gao, AM Lopes, Z Zhang, Z Chu, R Wu - Applied Intelligence, 2023 - Springer
The two-dimensional (2D) Otsu algorithm used in image segmentation considers both the
gray scale information of the image and the spatial information contained in the neighborhood …

Fixed-time attitude stabilization for a rigid spacecraft

H Du, J Zhang, D Wu, W Zhu, H Li, Z Chu - ISA transactions, 2020 - Elsevier
This paper mainly investigates the problem of the attitude stabilization for a rigid spacecraft
based on the model of Modified Rodriguez Parameters. A fixed-time attitude stabilization …

Leader–Follower Weighted Consensus of Nonlinear Fractional-Order Multiagent Systems Using Current and Time Delay State Information

L Chen, C Liu, Z Chu, AM Lopes… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This article studies the leader-follower weighted consensus control for a class of one-sided
Lipschitz (OSL) nonlinear fractional-order (FO) multiagent systems (FOMASs) with norm-…

Depth estimation by combining binocular stereo and monocular structured-light

Y Xu, X Yang, Y Yu, W Jia, Z Chu… - Proceedings of the …, 2022 - openaccess.thecvf.com
It is well known that the passive stereo system cannot adapt well to weak texture objects, eg,
white walls. However, these weak texture targets are very common in indoor environments. …

Leader–follower consensus of uncertain variable-order fractional multi-agent systems

L Chen, X Li, AM Lopes, Z Chu, YQ Chen - Nonlinear Dynamics, 2023 - Springer
The leader–follower consensus of a class of variable-order fractional (VOF) uncertain linear
multi-agent systems is studied in this paper. Firstly, a new general lemma is proposed to find …

Stability and stabilization of fractional-order uncertain nonlinear systems with multiorder

…, W Guo, P Gu, AM Lopes, Z Chu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Fractional-order (FO) commensurate systems have been widely studied in recent years,
including their stability and control. However, for incommensurate FO systems these problems …

Super-resolution segmentation of blurry pointer meter images based on frequency supervision

F Jin, Z Chu, B Chen, M Zhu - Measurement, 2025 - Elsevier
Accurate segmentation of pointer meter images is crucial for efficient meter reading tasks.
However, the accuracy of meter segmentation is often hindered by image blurriness due to …

Fixed‐time synchronization of a class of second‐order nonlinear leader‐following multi‐agent systems

H Li, M Zhu, Z Chu, H Du, G Wen… - Asian Journal of …, 2018 - Wiley Online Library
The fixed‐time synchronization problem for a class of second‐order nonlinear multi‐agent
systems with a leader‐follower architecture is investigated in this paper. To achieve the fixed‐…