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SERCOS-III is the international standard on the third generation serial communication protocol for real-time data communication among the controller and actuators with the advantage of openness, compatibility, high speed, and reliability. Based on studying on the SERCOS-III protocol and ARM embedded control technology, presents one kind of SERCOS-III high speed communication system and discusses the...
The rapid and large-scale construction of indemnificatory communities leads to the universal lack and inefficiency of public service facilities, directly reducing the life quality and the indemnificatory effect. Taking Sigao Community in Shanghai for example, this paper carries on in-depth analysis to the demand characteristics of the public service facilities in indemnificatory communities based...
Historical photos constitute an important part of architectural heritage documents and achieves. They are also one of the important bases for “authenticity” in the practice and research of architectural heritage conservation. From 1921 to 1929, Tokiwa Daijo has investigated into Chinese cultural relics for five times and has taken many photos. These photos perfectly outlined the cultural relics' status...
The thesis took the fine courses in colleges and universities as the starting point, proposed the architecture and functional module design of Web2.0-based learning Support Service System based on analysis of the characteristics of Web2.0 and concept of learning support services system, explored the achievement process of partial functional modules, provided a new paradigm for the e-learning of Web2...
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