Intermodal competition changes with changes in technology, economics, and environmental concerns. Trucks and airships are generally considered not to be competitors, but this depends on the distance of haul. The tonne...
supported by the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDA17010105)
The stratospheric quasi-zero wind layer (QZWL) is a transition region with low zonal wind speeds in the lower stratosphere at an altitude of ~20 km. The zonal wind direction above the QZWL layer is opposite to that be...
supported by National Outstanding Youth Science Foundation(61125306);National Natural Science Foundation of Major Research Plan(91016004,61034002);Specialized Research Fund for the Doctoral Program of Higher Education of China(20110092110020);Open Fund of Key Laboratory of Measurement and Control of Complex Systems of Engineering(Southeast University);Ministry of Education(MCCSE2013B01)
Combining sliding mode control method with radial basis function neural network (RBFNN), this paper proposes a robust adaptive control scheme based on backstepping design for re-entry attitude tracking control of near...
supported by National Natural Science Foundation of China(91116002,91216034,61333011,61121003)
A decoupling trajectory tracking method for gliding reentry vehicles is presented to improve the reliability of the guidance system. Function relations between state variables and control variables are analyzed. To re...
supported by National Natural Science Foundation of China(61425008,61333004,61273054);Top-Notch Young Talents Program of China,and Aeronautical Foundation of China(2013585104)
Dynamic game theory has received considerable attention as a promising technique for formulating control actions for agents in an extended complex enterprise that involves an adversary. At each decision making step, e...
supported by National Natural Science Foundation of China(61174102);Jiangsu Natural Science Foundation of China(SBK20130033);Aeronautical Science Foundation of China 20145152029);Specialized Research Fund for the Doctoral Program of Higher Education(20133218110013)
In this paper, we consider the robust adaptive tracking control of uncertain multi-input and multi-output (MIMO) nonlinear systems with input saturation and unknown external disturbance. The nonlinear disturbance obse...
supported by National Natural Science Foundation of China(61125306,61273092,61301035,61304018,and 61411130160);National HighTechnology Research and Development Program of China(2014AA051901);Tianjin Science and Technology Supporting Program(14JCQNJC05400);Research Innovation Program of Tianjin University(2013XQ0101);Hubei Science and Technology Supporting Program(XYJ2014000314);Science Foundation of China Supported by Science and Technology on Aircraft Control Laboratory(20125848004);China Post-doctoral Science Foundation(2014M561559)
In this paper, a continuous sliding mode controller with disturbance observer is proposed for the tracking control of hypersonic vehicles to suppress the chattering. The finite time disturbance observer is involved to...
supported by National Natural Science Foundation of China(61221003)
We investigate the trajectory tracking problem of vertical take-off and landing (VTOL) unmanned aerial vehicles (UAV), and propose a practical disturbance rejection control strategy. Firstly, the nonlinear error model...
The advance of transportation technology depends on science and economics. During the 1930s, airships and airplanes competed head-to-head for the Atlantic passenger market. When World War 2 broke out, everything chang...
Zeppelins and airplanes went into a commercial competition during the 1920s and 1930s. The Zeppelin was a very costly and high-scale technology which operated with a number of devices less than fingers a hand has. Air...