Compared with other elevator control systems, the wireless control system has many advantages such as easy to install and maintain. Bluetooth is a new technology of short-range wireless communication, and the idea of ...Compared with other elevator control systems, the wireless control system has many advantages such as easy to install and maintain. Bluetooth is a new technology of short-range wireless communication, and the idea of applying Bluetooth to the elevator wireless control system is expected to get wide application. In this paper, a wireless control prototype system is introduced, and the experiments of this system proved the feasibility of this idea.展开更多
Based on the discussion of bluetooth and network technology, this paper proposed an entire framework of a wireless distributed monitoring system by combining the characteristics of industry application. The feasibilit...Based on the discussion of bluetooth and network technology, this paper proposed an entire framework of a wireless distributed monitoring system by combining the characteristics of industry application. The feasibility of putting this kind of system in practice is discussed. The wireless distributed monitoring system can enhance the performance of condition monitoring more than the traditional one used now.展开更多
Bluetooth技术可实现短距离、低功耗的无线通信和构成无线网络(Piconet and Scatternet),采用Bluetooth技术构建的数据采集无线网络系统(Data Acquisition Wireless Network System based on Bluetooth:DAWNS-B)便于进行集中测量和控制...Bluetooth技术可实现短距离、低功耗的无线通信和构成无线网络(Piconet and Scatternet),采用Bluetooth技术构建的数据采集无线网络系统(Data Acquisition Wireless Network System based on Bluetooth:DAWNS-B)便于进行集中测量和控制。介绍Bluetooth ASIC的结构特性以及DAWNS—B的结构原理、硬件电路接口和软件系统。DAWNS-B由前、后端单元构成,Bluetooth ASIC的HCI与PC计算机(或单片机)接口,Bluetooth协议软件栈控制Bluetooth ASIC对主机的HCI命令以及前、后端无线通信和网络通信,应用程序实现数据采集、处理DAWNS-B实现测控系统移动数据交换和无线网络功能,扩大和增强了数据采集系统的功能和应用场合。展开更多
文中提出基于 Bluetooth 技术的分布式无线网络测控系统的体系结构,并设计了系统的前、后端硬件构成。由此得出 Bluetooth 传感器的工作原理与功能,重点对 Bluetooth 传感器的电路结构和软件功能及其应用进行了研究。Bluetooth 传感器...文中提出基于 Bluetooth 技术的分布式无线网络测控系统的体系结构,并设计了系统的前、后端硬件构成。由此得出 Bluetooth 传感器的工作原理与功能,重点对 Bluetooth 传感器的电路结构和软件功能及其应用进行了研究。Bluetooth 传感器由单片机80C51、通用数字传感器接口 ADIB60和 Bluetooth 模块 BlueCore01B 等组成,通过对 BlueCore01B 和 ADIB60的结构特性的分析,对 80C51与 BlueCore 和 ADIB60之间接口和通信的软、硬件进行了设计。Bluetooth 传感器可实现测控微微网和互联网,扩大和增强了测控应用领域和功能。展开更多
为了提高水资源利用率及灌溉精准控制,为农业生产提供技术支撑,设计了以Nordic公司NRF52832蓝牙系统级芯片(System on Chip,SOC)为核心的果园无线环境监测与灌溉控制系统,通过信息采集终端模块实时采集果园的土壤含水率、空气温湿度等...为了提高水资源利用率及灌溉精准控制,为农业生产提供技术支撑,设计了以Nordic公司NRF52832蓝牙系统级芯片(System on Chip,SOC)为核心的果园无线环境监测与灌溉控制系统,通过信息采集终端模块实时采集果园的土壤含水率、空气温湿度等环境信息,通过蓝牙Mesh中继节点将数据包发送到Mesh网关上,蓝牙Mesh网关通过通用无线分组网(general packet radio service,GPRS)将处理后的数据包传输到物联网云平台,为农业数据分析提供基础信息,通过电磁阀节点实现精准灌溉。展开更多
文摘Compared with other elevator control systems, the wireless control system has many advantages such as easy to install and maintain. Bluetooth is a new technology of short-range wireless communication, and the idea of applying Bluetooth to the elevator wireless control system is expected to get wide application. In this paper, a wireless control prototype system is introduced, and the experiments of this system proved the feasibility of this idea.
文摘Based on the discussion of bluetooth and network technology, this paper proposed an entire framework of a wireless distributed monitoring system by combining the characteristics of industry application. The feasibility of putting this kind of system in practice is discussed. The wireless distributed monitoring system can enhance the performance of condition monitoring more than the traditional one used now.
文摘Bluetooth技术可实现短距离、低功耗的无线通信和构成无线网络(Piconet and Scatternet),采用Bluetooth技术构建的数据采集无线网络系统(Data Acquisition Wireless Network System based on Bluetooth:DAWNS-B)便于进行集中测量和控制。介绍Bluetooth ASIC的结构特性以及DAWNS—B的结构原理、硬件电路接口和软件系统。DAWNS-B由前、后端单元构成,Bluetooth ASIC的HCI与PC计算机(或单片机)接口,Bluetooth协议软件栈控制Bluetooth ASIC对主机的HCI命令以及前、后端无线通信和网络通信,应用程序实现数据采集、处理DAWNS-B实现测控系统移动数据交换和无线网络功能,扩大和增强了数据采集系统的功能和应用场合。
文摘为了提高水资源利用率及灌溉精准控制,为农业生产提供技术支撑,设计了以Nordic公司NRF52832蓝牙系统级芯片(System on Chip,SOC)为核心的果园无线环境监测与灌溉控制系统,通过信息采集终端模块实时采集果园的土壤含水率、空气温湿度等环境信息,通过蓝牙Mesh中继节点将数据包发送到Mesh网关上,蓝牙Mesh网关通过通用无线分组网(general packet radio service,GPRS)将处理后的数据包传输到物联网云平台,为农业数据分析提供基础信息,通过电磁阀节点实现精准灌溉。
