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基于ARM9的机场应急救援拖车同步控制研究
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作者 张积洪 周同旭 《中国民航大学学报》 CAS 2012年第1期31-34,共4页
研究了一种机场应急救援拖车的同步电气控制系统。基于ARM-Linux平台,上位机以ARM9为核心,下位机以PLC为核心,使用Qt/Embedded和梯形图完成对上、下位机的GUI和程序设计,上下位机采用485通讯。连接试验模型和控制系统,实现了用遥控器控... 研究了一种机场应急救援拖车的同步电气控制系统。基于ARM-Linux平台,上位机以ARM9为核心,下位机以PLC为核心,使用Qt/Embedded和梯形图完成对上、下位机的GUI和程序设计,上下位机采用485通讯。连接试验模型和控制系统,实现了用遥控器控制机场应急救援拖车同步转向,通过对模型的测试,其可行性已被初步的实验证实。 展开更多
关键词 机场应急救援拖车 arm9:Qt/embedded:PLC
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Panoramic Imaging System Inspired by Insect Compound Eyes 被引量:1
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作者 邢强 王浩 戴振东 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI 2014年第3期287-292,共6页
Inspired by the unique structure of insect compound eyes,a multi-channel image acquisition system is designed to photograph a cylindrical panorama of its surroundings with one shot. The hardware structure consists of ... Inspired by the unique structure of insect compound eyes,a multi-channel image acquisition system is designed to photograph a cylindrical panorama of its surroundings with one shot. The hardware structure consists of an embedded ARM system and one array of 16 micro-image sensors. The system achieves the synchronization of captured photos in 10 ms,as well as 10 f /s video capture. The software architecture includes the TCP /IP protocol,video capture procedures in"Poll/Read"or"video streaming"modes,thread pool monitoring in multi-threading mutex,synchronization control with the"event""mutex signal"and"critical region"functions,and a synthetic image algorithm characterized by its portability,modularity,and remote transmission. The panoramic imaging system is expected to be a vision sensor for mobile robotics. 展开更多
关键词 multi-channel image acquisition cylindrical panoramic image MULTI-THREAD embedded arm
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Design and Implementation of RFID Reader based on μC/OS System
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作者 Jinguang LIU 《International Journal of Technology Management》 2015年第5期93-95,共3页
This paper mainly completed the design of hardware and software of RFID to read write system. Including selection and easy transplantation of open source μC/OS-Ⅱ operating system, completed the transplant in the emb... This paper mainly completed the design of hardware and software of RFID to read write system. Including selection and easy transplantation of open source μC/OS-Ⅱ operating system, completed the transplant in the embedded module, the task to create work; Analyze the system software level and concrete structure from the hardware layer, driver layer, operating system layer and user layer; and analyzes the influence of the actual the power consumption of the system running in different modes and the read-write distance, the influence of moving speed of chip on read and write time. 展开更多
关键词 μC/OS-Ⅱ RFID READER arm embedded
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