Results 61 to 70 of about 24,851,358 (308)
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Adult survivors of childhood acute lymphoblastic leukemia (ALL) are at risk of reduced exercise capacity, decreased physical activity levels, persistent fatigue, and neurocognitive deficits. The aim was to investigate exercise capacity and physical activity levels of adult survivors of childhood ALL and their associations with ...
Laura Jess +5 more
wiley +1 more source
Fixed-time trajectory tracking control for underactuated surface vessels
Zhongguo Jianchuan YanjiuObjectivesThis study proposes a fixed-time trajectory tracking control strategy to address the challenges of unmodeled dynamics and external disturbances in underactuated unmanned surface vessels (USVs).MethodsFirst, the tracking error system is divided ...
Weikai WANG, Hang SU, Enhua ZHANG
doaj +1 more source
IEEE Access, 2020 This article focuses on the fixed-time trajectory tracking problem for surface vehicles (SVs) with prescribed performance. First, to realize prescribed performance, the error transformation and fixed-time prescribed performance function are proposed.
Tingting Yang, Zuxin Li, Jiaju Yu
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Adaptive fuzzy fixed-time control for a class of strict-feedback stochastic nonlinear systems
Systems Science & Control Engineering, 2022 This paper studies fixed-time tracking problems for stochastic nonlinear systems in strict-feedback form. Different from previous results, the practical fixed-time bounded theorem for stochastic nonlinear systems is given.
Nan Wang +4 more
doaj +1 more source
, 2020 This paper discusses the distributed fixed-time containment control for networked nonlinear systems via the event/self-triggered approaches over directed graphs.
Lv, Guannan +5 more
core +1 more source
, 2021 This paper presents a novel third-order super-twisting-like integral sliding mode controller (3-ISMC) for trajectory tracking of nanopositioning applications.
Guangwei Wang, Chengxi Zhang, Bo Wang
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Young adult childhood cancer survivors (YA‐CCS) have an increased risk of treatment‐related health complications throughout their lives. Lifelong survivorship care is recommended, yet many YA‐CCS experience disruptions in care during pediatric‐to‐adult transitions and do not receive recommended survivorship care.
Kevin Shanchen Pu +8 more
wiley +1 more source
Leader-follower fixed-time formation control of unmanned surface vehicles
Zhongguo Jianchuan Yanjiu, 2020 Objectives To solve the formation control problem of leader-follower unmanned surface vehicles (USV) under complex environmental disturbances, a fixed-time control (FTC) approach is proposed in this paper.Methods Fixed-time tracking control based on the ...
LI He, WANG Ning, XUE Haoyuan
doaj +1 more source
Identifying Patterns of Hospitalizations Among Childhood Cancer Survivors: A Population‐Based Study
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Childhood cancer survivors (CCSs) experience more hospitalizations than the general population. We aimed to identify distinct hospitalization patterns among Queensland CCSs and the associated characteristics. Methods Cases (aged ≤14 years) diagnosed between 1995 and 2019 while residents of Queensland were identified through the ...
Hai Pham +7 more
wiley +1 more source
IEEE AccessTo address the problem of accurate tracking control for underactuated autonomous underwater vehicles (AUVs), a robust fixed-time control strategy is proposed to make AUVs converge to the desired reference trajectory in a fixed time.
Haitao Liu +3 more
doaj +1 more source