An event-triggered scheme is proposed to solve the problems of robust guaranteed cost control for a class of two-dimensional(2-D)discrete-time systems.Firstly,an eventtriggered scheme is proposed for 2-D discrete-time...An event-triggered scheme is proposed to solve the problems of robust guaranteed cost control for a class of two-dimensional(2-D)discrete-time systems.Firstly,an eventtriggered scheme is proposed for 2-D discrete-time systems with parameter uncertainties and sector nonlinearities.Then,according to the Lyapunov functional method,the sufficient conditions for the existence of event-triggered robust guaranteed cost controller for 2-D discrete-time systems with parameter uncertainties and sector nonlinearities are given.Furthermore,based on the sufficient conditions and the linear matrix inequality(LMI)technique,the problem of designing event-triggered robust guaranteed cost controller is transformed into a feasible solution problem of LMI.Finally,a numerical example is given to demonstrate that,under the proposed event-triggered robust guaranteed cost control,the closed-loop system is asymptotically stable and fewer communication resources are occupied.展开更多
针对现有技术存在的不足,设计出基于RFID(Radio Frequency Identification,射频识别)技术的智能安防闭锁系统,该系统融合了RFID技术、物联网技术、人工智能技术、自动化控制技术,实现了安防闭锁系统的智能化、自动化物联工作;在设计时,...针对现有技术存在的不足,设计出基于RFID(Radio Frequency Identification,射频识别)技术的智能安防闭锁系统,该系统融合了RFID技术、物联网技术、人工智能技术、自动化控制技术,实现了安防闭锁系统的智能化、自动化物联工作;在设计时,构建出包括设备层、闭锁硬件层、闭锁工作层和管理层的安防闭锁系统,应用支持IEC 61850通信协议的通讯模块进行数据通讯,使得上层管理中心可以直接获取底层RFID设备信息;该系统还设计出包括标签、阅读器、数据管理系统的RFID射频智能锁,通过nRF905射频收发芯片实现安防故障数据的接收和发射,通过设置有D触发器的闭锁控制电路实现故障信号的接收,并控制PWM脉冲动作,执行闭锁动作;试验表明,文章研究的方法响应时间短,计算速度快,准确度高,稳定性好。展开更多
基金supported by the National Natural Science Foundation of China(61573129 U1804147)+2 种基金the Innovative Scientists and Technicians Team of Henan Provincial High Education(20IRTSTHN019)the Innovative Scientists and Technicians Team of Henan Polytechnic University(T2019-2 T2017-1)
文摘An event-triggered scheme is proposed to solve the problems of robust guaranteed cost control for a class of two-dimensional(2-D)discrete-time systems.Firstly,an eventtriggered scheme is proposed for 2-D discrete-time systems with parameter uncertainties and sector nonlinearities.Then,according to the Lyapunov functional method,the sufficient conditions for the existence of event-triggered robust guaranteed cost controller for 2-D discrete-time systems with parameter uncertainties and sector nonlinearities are given.Furthermore,based on the sufficient conditions and the linear matrix inequality(LMI)technique,the problem of designing event-triggered robust guaranteed cost controller is transformed into a feasible solution problem of LMI.Finally,a numerical example is given to demonstrate that,under the proposed event-triggered robust guaranteed cost control,the closed-loop system is asymptotically stable and fewer communication resources are occupied.
文摘针对现有技术存在的不足,设计出基于RFID(Radio Frequency Identification,射频识别)技术的智能安防闭锁系统,该系统融合了RFID技术、物联网技术、人工智能技术、自动化控制技术,实现了安防闭锁系统的智能化、自动化物联工作;在设计时,构建出包括设备层、闭锁硬件层、闭锁工作层和管理层的安防闭锁系统,应用支持IEC 61850通信协议的通讯模块进行数据通讯,使得上层管理中心可以直接获取底层RFID设备信息;该系统还设计出包括标签、阅读器、数据管理系统的RFID射频智能锁,通过nRF905射频收发芯片实现安防故障数据的接收和发射,通过设置有D触发器的闭锁控制电路实现故障信号的接收,并控制PWM脉冲动作,执行闭锁动作;试验表明,文章研究的方法响应时间短,计算速度快,准确度高,稳定性好。
