... applications of these control methods in the periodic motion tracking problem of electrohydraulic systems are difficult to achieve satisfactory control performances. Therefore, a novel internal model principle (IMP)-based sliding mode control (SMC) is proposed in the paper. First, an ideal driving force...

... condition this holds, see Appendix. Once the disturbances become bounded again within anticipated values, the states will return to the boundary layer and nominal operation will resume with the desired impedance relation. Fig. 1 The proposed control strategy switches from sliding-mode control when...

... nonlinearities, such as nonlinear friction and dead-zone as well as further suppressing the influence of disturbances. In this paper, we have designed observer-based nonlinear feedback and sliding mode controllers combined with proportional-derivative schemes for offshore container cranes subject...

... to conventional approaches. In addition to the DOBC design, a new stepwise procedure based on backstepping technique and sliding mode control is proposed. In the proposed approach, in each step, estimations of disturbances and the upper bound of model uncertainties are used to compose virtual control laws...

...Ngo Van Hoa; Tran Minh Duc; Ho Vu In this work, we establish a new estimate result for fractional differential inequality, and this inequality is used to derive a robust sliding mode control law for the fractional-order (FO) dynamic systems. The sliding mode control law is provided to make...

... a second-order sliding mode control (SMC) strategy—a variable gain super-twisting control, to maximize the productivity, consistency in welding quality. This is achieved by the robust finite time output tracking of GMAW system. A nonlinear multi-input multi-output (MIMO) model of GMAW system has been...

... performance of the proposed scheme. robot control actuator saturation repetitive learning control sliding mode control tracking Many industrial robots often encounter the situation where the reference commands to be tracked and/or disturbance inputs to be rejected are periodic signals...

.... Assoc. Editor: May-Win L. Thein. 16 06 2013 20 11 2014 27 01 2015 A guidance law with finite time convergence is designed using the sliding mode control method and finite time convergence control theory, accounting for the missile autopilot as second-order dynamics. The high...

.... piezo-electric actuators MIMO hysteresis model sliding mode control discrete control Increasing demand for high accuracy in production manufacturing machines and other devices has led to the rapid development of precision engineering. From its origin in mechanical engineering, the field...

... Actuators in Opposing Pair Configuration ,” IEEE Trans. Control Syst. Technol. , 13 ( 4 ), pp. 550 – 558 . 10.1109/TCST.2005.847333 [21] Aschemann , H. , and Schindele , D. , 2008 , “ Sliding-Mode Control of a High-Speed Linear Axis Driven by Pneumatic Muscle Actuators , " IEEE Trans. Ind...

... give an LMI-based sliding mode control law to direct the system trajectories onto the designed sliding surface. Finally, using a numerical example, we show the effectiveness of proposed method. sliding mode control matched and mismatched uncertainty robust Control LMI optimization...

... in the control of nonlinear systems. In this paper, an FLC scheme combining expert experiences is proposed to eliminate the chattering of the robot system. As compared with the sliding mode controller without FLC, the proposed scheme effectively eliminates the chattering and improves the system performance...

... Trans. Ind. Electron. , 40 ( 1 ), pp. 45 – 55 . 10.1109/41.184820 16 Wu , L. G. , Lam , J. , 2008 , “ Sliding Mode Control of Switched Hybrid Systems With Time-Varying Delay ,” Int. J. Adapt. Control Signal Process. , 22 ( 10 ), pp. 909 – 931 . 10.1002/acs.1030 17 Xing...

...Stephen Pace; Guoming G. Zhu A multi-input-multi-output (MIMO) sliding mode control scheme was developed with guaranteed stability to simultaneously control air-to-fuel ratio (AFR) and fuel ratios to desired levels under various air flow disturbances by regulating the mass flow rates of engine port...

... of the neural network, which does not require any preliminary off-line weight learning. Moreover, base on the identified model, we propose a new dynamic sliding mode control (DSMC) for a general class of nonaffine nonlinear systems by defining a new adaptive proportional-integral sliding surface and employing...

...Pinhas Ben-Tzvi; Shengjian Bai; Qingkun Zhou; Xinsheng Huang This paper presents the dynamic modeling and fuzzy sliding mode control for rigid-flexible multibody systems. To investigate the dynamic stiffening of rigid-flexible systems, a first-order approximate model of a flexible spacecraft system...

... estimation strategy referred to as the variable structure filter (VSF) in conjunction with SMC. The contribution of this paper is a new strategy that combines sliding mode control with the variable structure filter. In the presence of bounded parametric uncertainties and noise, this combined method...

... and uncertain time-delay flexible structure systems. The algorithm is based on the sliding mode control and H ∞ / μ techniques. This scheme guarantees closed-loop system stability, and yields good performance and robustness in the presence of parametric uncertainties, time-delays and external disturbances...

...Chinedum Okwudire; Yusuf Altintas This paper presents modeling, identification, and discrete-time sliding mode control of ball screw drives with structural flexibility. The mechanical system of the drive is modeled by a two degree-of-freedom system dominated by the coupled longitudinal...

...Michaël Van Damme; Bram Vanderborght; Ronald Van Ham; Björn Verrelst; Frank Daerden; Dirk Lefeber This paper presents a sliding mode controller for a 2DOF planar pneumatic manipulator actuated by pleated pneumatic artificial muscle actuators. It is argued that it is necessary to account...