Since the 21st century, information and communication technologies have achieved a breakthrough progress, the collaboration of the smart networking world and the physical world generates the Internet of things and the cyber physical system (CPS). In order to ensure the leading position of manufacturing industry in the world, CPS technology has been firstly applied for manufacturing industry in Germany, and the 4thindustrial revolution, Industry 4. 0, is started. The vision and goal, main contents, and the dual-strategy of Industry 4. 0 are expounded comprehensively, the architecture of smart factory is analyzed thoroughly; in addition, the ongoing research and development projects of the Innovation Alliance of Smart Factory are elaborated. We should learn from the concept, solutions, and the roadmap of Industry 4. 0 smart factory, and to be creative, to accelerate the transformation and upgrading of the equipment manufacturing industry in our country.%进入21世纪以来，信息与通信技术取得了突破性进展，智能的网络世界与物理世界融合产生了物联网与信息物理融合系统。为了确保制造业世界领先地位，德国首先将信息物理融合系统技术用于制造工业，开启了Industry 4.0第四次工业革命。全面论述了Industry 4.0的愿景与目标、主要内容和采用的双战略，深入分析了智能工厂的体系架构，同时阐述了智能工厂创新联盟正在开展的研发项目。我们应该借鉴Industry 4.0智能工厂的理念、方案与路线图，勇于创新，加快我国装备制造业转型升级。
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