ID 原文 译文
47846 该设计中,扩展状态观测器用来估计系统中的未知项及扰动项; The design, the extended state observer is used to estimate system of unknowns and the disturbance;
47847 模糊逻辑系统用来逼近扩展状态器不能很好处理的未知项,并且设计了误差补偿项; Fuzzy logic system is used to approximate expansion state apparatus cannot very good deal with unknowns, and designed the error compensation;
47848 非线性跟踪微分器用来逼近虚拟控制量的导数; Non-linear trace differential is used to approximate the virtual control quantity of derivative;
47849 然后利用Lyapunov稳定性理论证明了闭环误差信号将渐进收敛到原点的残集内。 Then the closed-loop error signal is proved by using Lyapunov stability theory will gradually converge to the origin of the residual set.
47850 对具有扰动和不确定性的输入非仿射混沌系统进行了仿真,同时针对一类非严格反馈系统进行了仿真,结果表明了该方法的可行性和有效性。 With input disturbance and uncertainty of affine chaotic systems are simulated, and at the same time for a class of non strict feedback system are simulated, the results show the feasibility and validity of the method.
47851 针对起竖系统存在非线性特性、参数不确定性以及环境干扰等问题,在起竖系统的起竖控制过程中,提出了一种动态面自适应滑模的控制策略。 In the vertical system exists nonlinear characteristics, parameter uncertainties and environmental interference problem, in a vertical system of vertical control in the process, this paper proposes a dynamic adaptive sliding mode control strategy.
47852 建立了起竖系统的非线性数学模型,在滑模控制器设计中,引入动态面控制,利用一阶积分滤波器来计算虚拟控制项的导数,使控制器设计简单,加入自适应控制算法,实现对不确定参数的在线估计,消除系统的不确定性,并给出了控制律和自适应律。 Established the nonlinear mathematical model of shaft system, the sliding mode controller design, the introduction of dynamic surface control, using the first order integral filter to compute the derivative of virtual control item, the controller design is simple, to join the adaptive control algorithm, realize online estimation for uncertain parameters, eliminating the uncertainty of the system, and the control law and the adaptive law is given.
47853 仿真结果表明,与比例积分微分控制和一般滑模控制相比,所提控制方法有较强的鲁棒性和良好的跟踪性能,提高了起竖过程的稳定性。 The simulation results show that compared with pid control and sliding mode control, the proposed control method has strong robustness and good tracking performance and improve the stability of the vertical process.
47854 为了消除船用捷联惯性导航系统中的舒勒周期振荡和傅科周期振荡,常用的方法是在水平回路引入阻尼网络。 In order to eliminate Marine strapdown inertial navigation system of periodic oscillations schuler and foucault cycle oscillations, commonly used methods are introduced in a horizontal loop damping network.
47855 然而,引入阻尼网络之后,系统在达到稳定之前往往需要一个较长的调节时间。 However, after the introduction of damping network, the system before achieve stability often require a longer adjustment time.