本文以集成供应链管理（ISCM）的软件开发为背景，采用基于MDA的构件开发过程，重点研究了构件化的开发方法、模型驱动构架（MDA）以及物料需求计划（MRP）软件的构架与构件模型。-Based on research and development of Integrated Supply Chain Management (ISCM),we adopt the process of component oriented software development,lay emphasis on t

This procedure is mainly enterprise supply chain management system, C / S model, the main function of the enterprise s purchase, inventory, sales and other management-This procedure is mainly enterprise supply chain management system, C/S model, the

对严重故障情况下该微电网系统故障恢复能力和维持电能质量能力进行仿真试验 , 结果表明所建微电源及微电网模型都能较好模拟实际运行情况 ,为微电网的进一步研究提供了仿真平台 。-Under the condition of severe fault, the fault recovery ability and power quality of power system are simulated, The results show that the micro power supply a

开关电源中pwm用matlab中的simulink表示的仿真模型,做的是闭环实验-In PWM switch power supply of simulink of matlab simulation model of closed loop experiment