通用串行总线(USB:universal serial bus)以其高带宽、可热插拔、使用便捷且易扩展等特点而得到了广泛应用。文中从硬件和软件2个方面详细介绍基于USB总线的数据采集系统的设计实现方法,该方法使数据采集系统可以独立完成通信、数据采...通用串行总线(USB:universal serial bus)以其高带宽、可热插拔、使用便捷且易扩展等特点而得到了广泛应用。文中从硬件和软件2个方面详细介绍基于USB总线的数据采集系统的设计实现方法,该方法使数据采集系统可以独立完成通信、数据采集与解析的任务,从而将计算机从繁重的通信采集工作中解放出来,大大提高计算机采集与监控系统的效率。展开更多
An integrated monitoring system for running parameters of key mining equipmenton the basis of condition monitoring technology and modern communication networktechnology was developed.The system consists of a client co...An integrated monitoring system for running parameters of key mining equipmenton the basis of condition monitoring technology and modern communication networktechnology was developed.The system consists of a client computer with functions ofsignal acquisition and processing, and a host computer in the central control room.Thesignal acquisition module of the client computer can collect the running parameters fromvarious monitoring terminals in real-time.The DSP high-speed data processing system ofthe main control module can quickly achieve the numerical calculation for the collectedsignal.The signal modulation and signal demodulation are completed by the frequencyshift keying circuit and phase-locked loop frequency circuit, respectively.Finally, the signalis sent to the host computer for logic estimation and diagnostic analysis using the networkcommunication technology, which is helpful for technicians and managers to control therunning state of equipment.展开更多
文摘通用串行总线(USB:universal serial bus)以其高带宽、可热插拔、使用便捷且易扩展等特点而得到了广泛应用。文中从硬件和软件2个方面详细介绍基于USB总线的数据采集系统的设计实现方法,该方法使数据采集系统可以独立完成通信、数据采集与解析的任务,从而将计算机从繁重的通信采集工作中解放出来,大大提高计算机采集与监控系统的效率。
基金Supported by the National Hi-tech Research and Development Program of China(2007AA04Z415)the Hunan Province and Xiangtan City Natural Science Joint Foundation(09JJ8005)the Torch Program Project of Hunan Province(2008SH044)
文摘An integrated monitoring system for running parameters of key mining equipmenton the basis of condition monitoring technology and modern communication networktechnology was developed.The system consists of a client computer with functions ofsignal acquisition and processing, and a host computer in the central control room.Thesignal acquisition module of the client computer can collect the running parameters fromvarious monitoring terminals in real-time.The DSP high-speed data processing system ofthe main control module can quickly achieve the numerical calculation for the collectedsignal.The signal modulation and signal demodulation are completed by the frequencyshift keying circuit and phase-locked loop frequency circuit, respectively.Finally, the signalis sent to the host computer for logic estimation and diagnostic analysis using the networkcommunication technology, which is helpful for technicians and managers to control therunning state of equipment.
