Aiming at the problem of coexistence matching and mismatching uncertainties in electro-hydraulic servo systems, disturbance observers a backstepping sliding mode controller based on generalized super-twisting algorithm (GSTA) are proposed this paper. First, order to compensate for uncertainty controller, two (GSTDOs) constructed effectively reduce discontinuous gain controller. Then, GSTA is in...

Abstract Aiming at the problem of forward tracking guidance munitions with missile body characteristics intercepting maneuvering targets, and to improve hit accuracy system, this paper proposes an adaptive super-twisting sliding mode algorithm considering impact first-order overload input saturation limitation. Firstly, nonlinear model system is made by kinematic relation for projectile-target,...

In this paper, present the recent advances in bimanual industrial manipulators have led to an increased interest specific problems pertaining dual arm manipulation. This paper presents a control algorithm for robot that can move object working plane both translation and rotation ways. Different from other research extend algorithms single because of fixed grasp assumption, has considered fricti...

This paper proposes a novel model-free super-twisting nonlinear sliding mode control (MFSTNLSMC) strategy with an improved smoothing extended state observer (SESO) for permanent magnet synchronous motor (PMSM) drives. First of all, the SESO is introduced to estimate unknown term PMSM ultra-local model. Secondly, surface (NLSMS) designed, which can effectively overcome disadvantages simple and r...

The control of a permanent magnet synchronous motor (PMSM) without position sensor based on sliding-mode observer (SMO) algorithm has serious jitter problem in the process phase tracking. A second-order adaptive was proposed, and ideas principles super-twisting were elaborated. In particular, estimation with introduction back-electromotive force (EMF) investigated, Lyapunov stability criterion ...

This article proposes a finite-time disturbance observer-based modified super-twisting algorithm (FDO-STA) for disturbed high-order integrator-chain systems under matched and mismatched disturbances. We first design observer estimation, in which we show the convergence of estimation errors to zero. Second, by employing estimates disturbances their derivatives, new dynamic sliding surface is der...