نتایج جستجو برای: hierarchical structure terminal sliding mode control under actuated system
تعداد نتایج: 5347545 فیلتر نتایج به سال:
This paper proposes a distributed framework for formation control of USVs around a predefined target. This framework, according to the mission and problem conditions, includes three parts: determination of a desired path for each USV, preventing USVs entry to the target area and tracking the desired path of USVs under environmental disturbances. In the first part, a distributed approach is prop...
This paper proposes a stand-alone photovoltaic (PV) system based on a DC-DC positive output super lift Luo (POSLL) converter. A conventional sliding mode control, a sliding mode controller using a simple sign function and a linear controller using proportional integrator (PI) are used for the control of the PV panel voltage and POSLL converter inductor current and these methods are compared tog...
This article presents a simulation study to control a human arm motion using muscle excitations as inputs. Our simulation implements the musculoskeletal model Arm26 provided in OpenSim which has 2 DOF and 6 muscles as actuators. First, in order to drive the limbs’ motion to track a desired trajectory, we propose an Adaptive Sliding Mode Controller (ASMC) to compute the necessary driving moments...
Some people suffering from diabetes use insulin injection pumps to control the blood glucose level. Sometimes, the fault may occur in the sensor or actuator of these pumps. The main objective of this paper is controlling the blood glucose level at the desired level and fault-tolerant control of these injection pumps. To this end, the eligibility traces algorithm is combined with the sliding mod...
This paper presents a fixed-time neuro-adaptive control design for class of uncertain under-actuated nonlinear systems (UNS) using non-singular fast terminal sliding mode (TSMC) with radial basis function (RBF)-based estimator to achieve the convergence and robustness against uncertainties. The mathematical model considered is reduced into an equivalent regular form. A TSMC designed transformed...
The bifurcation and chaos phenomenon which exist in power grid are threats to the stable operation of power grid and the safety of people and equipment. In order to eliminate the chaos phenomena in power grid, a kind of non-singular terminal sliding mode (NTSM) variable structure control method based on immune algorithm is put forward. The second-order model of grid chaotic oscillation is built...
This work proposes a neural-fuzzy sliding mode control scheme for a hydro-turbine speed governor system. Considering the assumption of elastic water hammer, a nonlinear mode of the hydro-turbine governor system is established. By linearizing this mode, a sliding mode controller is designed. The linearized mode is subject to uncertainties. The uncertainties are generated in the process of linear...
In this article, the sliding mode control of frequency load control of power systems is studied. The study areaconsists of a system of water and heat. First, a mathematical model of the proposed system disturbances ismade and then sliding control mode for frequency load control is provided. By the system simulation andsliding mode control, it can be shown that the damping of oscillations is wel...
This article discusses the use of Sliding Mode Control (SMC) for control a four-rotor vertical take-off and landing (VTOL) unmanned aerial vehicle (UAV). The Newton-Euler method is utilized to build quadcopter's dynamic model. model divided into under-actuated fully actuated subsystems. Even though controlling UAVs difficult owing their extremely nonlinear characteristics, previous experimental...
In this paper, we propose a hierarchical sliding mode control approach for a fixed point regulation of pendulum-driven spherical mobile robots. A simplified dynamic model is established for their longitudinal motion and the controller is designed to have double layer structure because the system is divided into two subsystems. In the first layer, the sliding surfaces are hierarchically designed...
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