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1、电梯是标志现代物质文明的垂直运输工具，是机电一体化的复杂运输设备。而电梯的核心是电梯控制器。对于电梯的控制，传统的方法是使用继电器接触器控制系统进行控制，随着技术的不断发展， 采用硬件描述语言VHL来完成电梯控制器的设计, 是设计智能化的标志。本文结合EDA自上而下的设计特点分析了电梯控制系统的工作原理，给出了电梯控制系统的设计框图，并用VHDL语言描述出了整个系统，最后用Quartus软件进行了仿真，分析了仿真结果，进行了总结。本文结构主要分成四大部分：第一章介绍了电梯控制系统的发展情况及发展趋势，交代了课题的研究背景，并对要完成的工作做了介绍；第二章介绍了EDA技术的主要特点，并对VHDL
2、语言的功能及其结构进行了描述，并着重介绍了状态机的含义；第三章以VHDL语言作为描述工具，对四层电梯的结构进行分析，给出了电梯控制器的设计流程和状态机描述；第四章用Quartus软件对程序进行了仿真，并对仿真结果进行了说明和分析，并进行总结。Elevator is the symbol of modern vertical transport of material is machine - the complexity of transport equipment, electrical integration. The elevator is the core of elevator co
3、ntroller. For the elevator control, the traditional approach is to use relay - contactor control system to control, as technology continues to develop, using hardware description language VHL to complete the elevator controller design, is a sign of intelligent design. This paper EDA Design features
4、of a top-down elevator control system working principle of the elevator control system block diagram and describe the use of VHDL, the whole system, and finally with Quartus simulation software to analyze the simulation results , is summarized. This structure is divided into four parts: The first ch
5、apter describes the elevator control system development and trends, explain the topic of the research background, and to complete the work have been described; Chapter II describes the main features of EDA technologies, and VHDL language features and structure are described, with an emphasis on the
6、meaning of the state machine; The third chapter describes VHDL language as a tool for analyzing the structure of four elevators, the elevator controller is given the design process and the state machine description; Chapter IV with Quartus software process simulation, and simulation results are described and analyzed and summarized. 待添加的隐藏文字内容3
