全文获取类型
收费全文 | 362篇 |
免费 | 12篇 |
国内免费 | 23篇 |
专业分类
电工技术 | 13篇 |
综合类 | 8篇 |
化学工业 | 3篇 |
金属工艺 | 2篇 |
机械仪表 | 31篇 |
矿业工程 | 2篇 |
能源动力 | 2篇 |
武器工业 | 2篇 |
无线电 | 21篇 |
一般工业技术 | 5篇 |
自动化技术 | 308篇 |
出版年
2023年 | 1篇 |
2022年 | 1篇 |
2021年 | 1篇 |
2020年 | 3篇 |
2019年 | 6篇 |
2018年 | 6篇 |
2017年 | 10篇 |
2016年 | 9篇 |
2015年 | 14篇 |
2014年 | 21篇 |
2013年 | 27篇 |
2012年 | 12篇 |
2011年 | 27篇 |
2010年 | 16篇 |
2009年 | 32篇 |
2008年 | 37篇 |
2007年 | 25篇 |
2006年 | 32篇 |
2005年 | 25篇 |
2004年 | 14篇 |
2003年 | 22篇 |
2002年 | 10篇 |
2001年 | 7篇 |
2000年 | 6篇 |
1999年 | 4篇 |
1998年 | 7篇 |
1997年 | 2篇 |
1996年 | 3篇 |
1995年 | 2篇 |
1994年 | 7篇 |
1993年 | 1篇 |
1992年 | 1篇 |
1991年 | 2篇 |
1990年 | 1篇 |
1985年 | 2篇 |
1983年 | 1篇 |
排序方式: 共有397条查询结果,搜索用时 15 毫秒
41.
In this paper, a combination of type-2 fuzzy logic system (T2FLS) and a conventional feedback controller (CFC) has been designed for the load frequency control (LFC) of a nonlinear time-delay power system. In this approach, the T2FLS controller which is designed to overcome the uncertainties and nonlinearites of the controlled system is in the feedforward path and the CFC which plays an important role in the transient state is in the feedback path. A Lyapunov–Krasovskii functional has been used to ensure the stability of the system and the parameter adjustment laws for the T2FLS controller are derived using this functional. In this training method, the effect of delay has been considered in tuning the T2FLS controller parameters and thus the performance of the system has been improved. The T2FLS controller is used due to its ability to effectively model uncertainties, which may exist in the rules and data measured by the sensors. To illustrate the effectiveness of the proposed method, a two-area nonlinear time-delay power system has been used and compared with the controller that uses the gradient-descend (GD) algorithm to tune the T2FLS controller parameters. 相似文献
42.
This paper addresses the problem of stability analysis for homogeneous large-scale uncertain bilinear time-delay systems subjected to constrained inputs. Both nonlinear uncertainties and interval systems are discussed. Several delay-independent criteria are presented to guarantee the asymptotic stability of the overall systems. The main feature of the presented criteria is that although the Lyapunov stability theorem is used, they do not involve any Lyapunov equations that may be unsolvable. Three illustrative numerical examples are presented to verify the effectiveness of the proposed stability criteria. 相似文献
43.
This paper is concerned with the problems of finite-time stability and stabilization for stochastic Markov systems with mode-dependent time-delays. In order to reduce conservatism, a mode-dependent approach is utilized. Based on the derived stability conditions, state-feedback controller and observer-based controller are designed, respectively. A new N-mode algorithm is given to obtain the maximum value of time-delay. Finally, an example is used to show the merit of the proposed results. 相似文献
44.
Plant template generation is the key step in applying quantitative feedback theory (QFT) to design robust control for uncertain systems. In this paper we propose a technique for generating plant templates for a class of linear systems with an uncertain time delay and affine parameter perturbations in coefficients. The main contribution lies in presenting a necessary and sufficient condition for the zero inclusion of the value set f(T,Q)={f(τ,q): τT[τ−,τ+], qQ∏k=0m−1[qk−,qk+]}, where f(τ,q)=g(q)+h(q)e−jτω*, g(q) and h(q) are both complex-valued affine functions of the m-dimensional real vector q, and ω* is a fixed frequency. Based on this condition, an efficient algorithm which involves, in the worst case, evaluation of m algebraic inequalities and solution of m2m−1 one-variable quadratic equations, is developed for testing the zero inclusion of the value set f(T,Q). This zero-inclusion test algorithm allows one to utilize a pivoting procedure to generate the outer boundary of a plant template with a prescribed accuracy or resolution. The proposed template generation technique has a linear computational complexity in resolution and is, therefore, more efficient than the parameter gridding and interval methods. A numerical example illustrating the proposed technique and its computational superiority over the interval method is included. 相似文献
45.
On stabilization for a class of nonlinear stochastic time-delay systems: a matrix inequality approach 总被引:1,自引:0,他引:1
This paper treats the feedback stabilization of nonlinear stochastic time-delay systems with state and control-dependent noise. Some locally (globally) robustly stabilizable conditions are given in terms of matrix inequalities that are independent of the delay size. When it is applied to linear stochastic time-delay systems, sufficient conditions for the state-feedback stabilization are presented via linear matrix inequalities. Several previous results are extended to more general systems with both state and control-dependent noise, and easy computation algorithms are also given. 相似文献
46.
研究一类不确定组合时滞系统的状态反馈鲁棒分散可靠控制问题。系统包含状态时滞,控制输入时滞和参数不确定性。目的是设计分散线性无记忆状态反馈控制器,使得对于任意容许的不确定性以及在每一个子系统中预先指定的执行器子集合内执行器的失效,相应的闭环系统渐近稳定。最后给出一个数值例子验证了本文所给结果的有效性。 相似文献
47.
In this paper, we design an H∞ controller for a class of lower-triangular time-delay systems. Backstepping is applied to construct an explicit feedback controller, and the closed-loop system maintains internal stability and an L2-gain from the disturbance input to the output. The design is delay-dependent. Simulations on an example system demonstrate the good performance of the proposed design. 相似文献
48.
It is proved that under certain verifiable conditions, spectral controllability of a linear system with commensurate state delays and with m inputs, m > 1, implies the existence of an n × 1 vector b contained in the image of the control matrix B such that the system with B replaced by b is spectrally controllable. Both the necessity and the sufficiency of these conditions are shown, a procedure to construct b is given, and an example is discussed. 相似文献
49.
50.