Results 21 to 30 of about 12,585,988 (263)

Observer-Based Autopilot Heading Finite-Time Control Design for Intelligent Ship with Prescribed Performance

Journal of Marine Science and Engineering, 2021
Traffic engineering control is a major challenge in marine transportation. Cost efficiency and high performance demand advanced technologies for the ship control systems.
Liyan Zhu, Tieshan Li
doaj   +1 more source

Event-Triggered Integrated Robust Control for Non-Cooperative Fly-Around Mission With Prescribed Performance

IEEE Access, 2020
This paper investigates the event-triggered integrated attitude and position robust control problem for non-cooperative fly-around mission with prescribed performance in the presence of uncertain dynamics and external disturbances. For the requirement of
Yi Li
doaj   +1 more source

Prescribed Performance Tracking Control of Lower-Triangular Systems with Unknown Fractional Powers

Fractal and Fractional, 2023
This paper is concerned with the tracking control problem for the lower-triangular systems with unknown fractional powers and nonparametric uncertainties. A prescribed performance control approach is put forward as a means of resolving this problem.
Kai-Di Xu, Jin-Xi Zhang
doaj   +1 more source

Dynamic Event-Triggered Adaptive Broad Learning for a Two-Degree-of-Freedom Helicopter System with Prescribed Performance

Mathematics
This study proposes an adaptive broad learning strategy for a two-degree-of-freedom helicopter system based on specified performance and dynamic event-triggered. First, broad learning is employed to approximate system uncertainties.
Liang Cao, Yexin Mo, Wei Xiao, Kaili Feng, Zhongzhen Wu, Xiangli Li   +5 more
doaj   +1 more source

Sliding Mode Fault Tolerant Control for a Quadrotor with Varying Load and Actuator Fault

Actuators, 2021
In this paper, an adaptive sliding mode fault-tolerant control scheme based on prescribed performance control and neural networks is developed for an Unmanned Aerial Vehicle (UAV) quadrotor carrying a load to deal with actuator faults.
Pu Yang, Zixin Wang, Zhiqing Zhang, Xukai Hu   +3 more
doaj   +1 more source

Model-Free RBF Neural Network Intelligent-PID Control Applying Adaptive Robust Term for Quadrotor System

Drones
This paper proposes a quadrotor system control scheme using an intelligent–proportional–integral–differential control (I-PID)-based controller augmented with a radial basis neural network (RBF neural network) and the proposed adaptive robust term.
Sung-Jae Kim, Jin-Ho Suh
doaj   +1 more source

Adaptive Prescribed Performance Fault Tolerant Control for a Flexible Air-Breathing Hypersonic Vehicle With Uncertainty

IEEE Access, 2019
This paper investigates a tracking control problem of a flexible air-breathing hypersonic vehicle (FAHV), where prescribed performance, actuator fault, and aerodynamic uncertainty are considered.
Fang Wang, Qin Zou, Qun Zong, Changchun Hua   +3 more
doaj   +1 more source

Early Body Mass Index z‐Score Change and Resolution of Severe Malnutrition in Children With Sickle Cell Anemia in a Low‐Income Setting: A Prospective Single‐Arm Extension Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell anemia (SCA) in low‐income settings are at risk of severe malnutrition, but optimal nutritional management has not been established. We evaluated an intensified ready‐to‐use therapeutic food (RUTF) regimen in children with persistent severe malnutrition after initial treatment and assessed whether early ...
Safiya Gambo, Shehu Umar Abdullahi, Hassan Adam Murtala, Halima Kabir, Khadija A. Shamsu, Sari A. Acra, Virginia A. Stallings, Mark Rodeghier, Michael R. DeBaun, Lauren J. Klein   +9 more
wiley   +1 more source

Design of Terminal Guidance Law for Cooperative Multiple Vehicles Based on Prescribed Performance Control

Aerospace
To address the issue of jitter and oscillation of guidance command during multi-vehicle cooperative engagement with maneuvering platforms, this paper proposes a novel terminal guidance law with prescribed performance constraints for multiple cooperative ...
Fuqi Yang, Jikun Ye, Xirui Xue, Ruining Luo, Lei Shao   +4 more
doaj   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani, Rachel K. Peterson, Avani D. Rao, Laurie J. McKenzie, Ahmed Magdy Elmotayam, Leslie Chang, Michael Roth, Susan L. McGovern   +7 more
wiley   +1 more source