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Robust fixed-time sliding mode controller for flexible air-breathing hypersonic vehicle.
TLDR
An improved robust fixed-time sliding mode controller (RFSMC) is presented for flexible air-breathing hypersonic vehicle (FAHV) with actuator faults, composing of a novel fast fixed-Time integral sliding surface (FFIS), a continuous fixed- time super-twisting-like reaching law (CFSTL) and a uniformly convergent observer. Expand
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Effects of steam curing regimes on the capillary water absorption of concrete: Prediction using multivariable regression models
Abstract Effects of steam curing parameters on the capillary water absorption (CWA) of concrete are investigated, and the models related to steam curing parameters for predicting the sorptivityExpand
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Urban-Rural Disparity in Cancer Incidence, Mortality, and Survivals in Shanghai, China, During 2002 and 2015
Introduction: Disparities in the incidence, mortality, and survival of cancer types between urban and rural areas in China reflect the effects of different risk factor exposure, education, andExpand
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Adaptive higher order super-twisting control algorithm for a flexible air-breathing hypersonic vehicle
TLDR
A novel adaptive higher order super-twisting control algorithm (AHOSTC) is proposed for flexible air-breathing hypersonic vehicle . Expand
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Exploring optimal irrigation and nitrogen fertilization in a winter wheat-summer maize rotation system for improving crop yield and reducing water and nitrogen leaching
Abstract Irrigation and nitrogen (N) fertilization play important roles in grain yield. However, amounts supplied in excess of crop demand are responsible for water and N leaching during intensiveExpand
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Effects of irrigation and nitrogen fertilization management on crop yields and long-term dynamic characteristics of water and nitrogen transport at deep soil depths
Abstract Appropriate irrigation and nitrogen (N) management practices should be implemented to obtain high grain yields while considering the influence of water and N leaching on groundwater in theExpand
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Adaptive fault-tolerant control for longitudinal motion of supercavitating vehicles
TLDR
This paper addresses the problem of controlling a supercavitating vehicle which incorporates the actuator constraints and loss of effectiveness of the cavitator. Expand
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Global smooth sliding mode controller for flexible air-breathing hypersonic vehicle with actuator faults
TLDR
A global smooth sliding mode controller (GSSMC) is proposed for flexible air-breathing hypersonic vehicle under actuator faults and parametric uncertainties, consisting of global fast finite-time integral sliding surface (GFFIS), generalized smooth second-order sliding mode reaching law (GSRL) and smooth fixed-time observer. Expand
  • 4
Novel anti-saturation robust controller for flexible air-breathing hypersonic vehicle with actuator constraints.
TLDR
A novel anti-saturation robust control algorithm (NARC) is presented for flexible air-breathing hypersonic vehicle (FAHV) with actuator saturation, including two controllers designed for velocity and height subsystem. Expand
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