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网络诱导时延

网络诱导时延的相关文献在2003年到2022年内共计111篇,主要集中在自动化技术、计算机技术、水路运输、机械、仪表工业 等领域,其中期刊论文104篇、会议论文7篇、专利文献391549篇;相关期刊72种,包括军民两用技术与产品、兰州理工大学学报、系统工程与电子技术等; 相关会议6种,包括中国(西安)炼钢-连铸设备技术交流会、中国自动化学会第21届青年学术年会、2003中国控制与决策学术年会等;网络诱导时延的相关文献由231位作者贡献,包括张建化、张庆灵、王志文等。

网络诱导时延—发文量

期刊论文>

论文:104 占比:0.03%

会议论文>

论文:7 占比:0.00%

专利文献>

论文:391549 占比:99.97%

总计:391660篇

网络诱导时延—发文趋势图

网络诱导时延

-研究学者

  • 张建化
  • 张庆灵
  • 王志文
  • 王贞
  • 傅磊
  • 巩敦卫
  • 张大伟
  • 郭一楠
  • 郭彩霞
  • 郭戈
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 马明; 张丽娟; 孟莹梅
    • 摘要: 研究基于事件触发通讯机制的T-S模糊系统的网络化H_(∞)控制问题。考虑到网络诱导时延的概率分布特征,将事件触发通讯机制下的网络化控制系统建模成一个带有两个分段区间时变时延和随机参数的异步T-S模糊系统。充分利用异步归一化隶属度函数的偏差界和归一化隶属度函数的凸性,并使用Lyapunov-Krasovskii泛函方法,以线性矩阵不等式形式建立了异步系统的H_(∞)性能分析和控制器设计的新颖时滞依赖判据。
    • 陈俊; 陈海飞; 高金凤
    • 摘要: 针对网络控制系统中同时存在的网络诱导时延和量化误差问题,对系统的建模、稳定性分析、控制器设计等3个方面进行了研究.基于数量化反馈控制器和零阶保持器的工作机制,利用了扇形界方法,将系统建模为带有输入时延的时滞系统.其中,在网络控制系统的传感器到控制器通道(S-C)和控制器到执行器通道(C-A)分别加入了对数量化器,用来量化系统的状态信号和控制输入信号.运用Lyapunov理论提出了一种Lyapunov-Krasovskii泛函方法,并得到了相应的稳定性判据,该判据是以两个线性矩阵不等式(LMIs)来表示的.基于该稳定性判据,设计了量化状态反馈控制器使得闭环系统渐近稳定.研究结果表明:两个量化器的量化密度直接影响系统的控制性能.%Aiming at the stabilization of networked control systems(NCSs) subject to both network-induced delays and data quantization er-ror,the three aspects of system modeling,stability analysis and controller design were studied respectively. Based on logarithmic quantized feedback controller and the working mechanism of zero-order hold(ZOH),utilizing sector bound approach,the NCSs was modeled as a time-delay system with input delay. Among them,both sensor-to-controller(S-C) channel and controller-to-actuator(C-A) channel of NCSs was separately jointed the logarithmic quantizer,to quantify system state signal and control input signal respectively. By utilizing the Lyapunov stability theory to propose a kind of Lyapunov-Krasoskii function,then the corresponding stability condition was obtained,this condition was described by two sets of linear matrix inequalities(LMIs). Based on this stability condition,the corresponding quantized feedback controller was designed to guarantee the closed-loop systems stochastic stable. The results indicate that the density of two quantizers directly affect the control performance of the system.
    • 刘义才; 刘斌
    • 摘要: As for a class of networked control systems(NCS) with bilateral random network-induced delay and packet dropout,firstly this paper proposed the method of the active time varying-period sampling,which meant that the sensor was event and time-driven,and its sampling period could follow the change of network delay and packet dropout in real time,so the problem of long delay and packet disordering was overcome.Then it modeled the NCS as the discrete-time switched system,and obtained the condition satisfying exponential stability of the system state based on the approach of average dwell time.The obtained condition further established the quantitative relation between the exponential decay rate and the packet dropout rate.Lastly,the simulation examples illustrate the effectiveness of the proposed method.%针对具有双边随机时延和丢包的网络控制系统,采用了主动时变采样周期的方法,利用事件和时间驱动相结合方式,传感器的采样周期可实时地跟随网络延时和丢包的变化而改变,克服了长时延和数据包错序的问题.然后将系统建立为统一的切换系统模型,结合基于平均驻留时间的方法,给出了系统状态满足指数稳定的条件,并且描述了其指数衰减率和丢包率之间的定量关系.最后通过数值例仿真验证了所提方法的有效性.
    • 乔思危; 汪玲彦; 詹习生; 吴杰
    • 摘要: 基于网络时延与噪声约束的网络化系统跟踪性能极限,在研究网络参数时主要考虑前向和反馈通道同时存在噪声和反馈通道存在时延的问题.网络化系统的跟踪性能极限表达式是通过采用谱分解技术并选择最优的单自由度控制器的方法来得到.结果表明网络化系统的跟踪性能极限与网络化系统的非最小相位零点、不稳定极点、网络诱导时延、网络噪声和输入信号有关.仿真结果验证了该方法的有效性.
    • 乔思危1; 汪玲彦1; 詹习生1; 吴杰1
    • 摘要: 基于网络时延与噪声约束的网络化系统跟踪性能极限,在研究网络参数时主要考虑前向和反馈通道同时存在噪声和反馈通道存在时延的问题。网络化系统的跟踪性能极限表达式是通过采用谱分解技术并选择最优的单自由度控制器的方法来得到。结果表明网络化系统的跟踪性能极限与网络化系统的非最小相位零点、不稳定极点、网络诱导时延、网络噪声和输入信号有关。仿真结果验证了该方法的有效性。
    • 王志文; 李旋; 祝超群
    • 摘要: 针对一种输入多采样率网络化控制系统,在同时考虑网络诱导时延和被控对象的预测输出的条件下设计了动态输出回馈控制器,以得到系统的最优保性能控制,并利用线性矩阵不等式证明了控制系统的稳定性,数值模拟验证了其有效性.结果表明,所设计的控制器能够保证控制系统稳定性并满足性能控制的要求.
    • 陈丽丽; 王玉龙
    • 摘要: An unmanned surface vehicle (USV) is subject to the influences of the external environment disturbance and network-induced characteristics (such as network-induced delay and packet loss in the control center-to-actuator network channel, which will degrade the performance and the stability of the heading control system. To make the unmanned surface vehicle sail fast and stably, a kind of USV network-based heading control strategy is proposed. Network-based models for the unmanned surface vehicle subject to the wave-induced disturbance are established. Based on these models, controller design criteria are derived to asymptotically stabilize the USV heading control system by defining a suitable Lyapunovfunc-tional and adopting the convex analysis method. The simulation results verify the effectiveness of the proposed control schemes and the designed controllers.%无人水面艇自主航行中受到外部环境干扰及在控制中心-执行器网络通道中存在网络诱导特性(如网络诱导时延、数据丢包等)的影响,会降低系统性能,影响航向控制系统的稳定性.为了能使无人艇按照设定航向快速、稳定地航行,提出一种基于网络的无人艇航向控制策略.首先,建立基于网络的无人艇航向控制系统模型.基于这个模型,运用Lyapunov稳定性理论和凸分析方法导出能使网络环境下无人水面艇航向控制系统渐进稳定的控制律,并设计基于网络的航向控制器.通过仿真验证所提出方法和设计控制器的有效性.
    • 谢蓉华; 樊卫华; 陈庆伟
    • 摘要: 针对在现代工业、航空航天等领域具有广泛应用的分层网络控制系统无法采用集中控制方式的问题,研究了分层网络控制系统的分布式日∞控制.首先,考虑网络诱导时延、数据包丢失和全局信息不可全部获取的情形,提出了分层网络控制系统的分布式控制策略,并将网络控制系统建模为具有分布式时变时延的离散切换系统.其次,基于Lyapunov-Krasovskii函数法,给出了系统稳定且满足给定H∞性能要求的充分条件,该条件依赖于时延上界信息并具有较弱的保守性.利用锥补线性化方法,将控制器设计转化为具有线性矩阵不等式形式的优化问题,给出了控制器设计的迭代算法.最后,利用仿真算例,验证了所提方法的有效性.%Considering the centralized control mode cannot be used in hierarchical networked control system which is widely applied in the fields of modern industry,aerospace,etc.,the distributed H∞ control for the hierarchical networked control system is studied.First,considering the network induced delay,data packet loss and partial information available,a distributed control law for hierarchical networked control system is proposed.And the closed-loop networked control system is modeled as a switched discrete system with distributed time varying delay.Second,based on Lyapunov-Krasovskii functional method,a sufficient condition for system stability and to satisfy the requirement of given H∞ performance index is deduced,which is less conservative and depends on the upper bound of the delay.Using cone complement linearization method,the controller design is converted to an optimal problem with linear matrix inequalities,and an iterative approach for controller design is given.Finally,a simulation example is used to validate the effectiveness of the proposed method.
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