【摘要】：本文結(jié)合國內(nèi)外電梯控制系統(tǒng)的實(shí)際情況，對基于嵌入式系統(tǒng)的電梯控制器進(jìn)行了研究，將嵌入式實(shí)時操作系統(tǒng)應(yīng)用于電梯控制系統(tǒng)，研究了電梯控制器的軟件和硬件。本文的內(nèi)容主要有： 1、總結(jié)并挖掘現(xiàn)有電梯控制系統(tǒng)的技術(shù)特點(diǎn)，，對電梯控制系統(tǒng)的總體架構(gòu)進(jìn)行分析，闡明組成控制系統(tǒng)各部分的基本功能及原理，并給出組成控制器硬件的通信原理及實(shí)現(xiàn)方法； 2、引入嵌入式操作系統(tǒng)作為控制器內(nèi)核，搭建硬件體系結(jié)構(gòu)。電梯控制器的硬件結(jié)構(gòu)主要由微型CPU、OS和基礎(chǔ)部件組成，在這一部分將詳細(xì)論述硬件結(jié)構(gòu)的搭建過程、通信線路的選擇及比較、電梯調(diào)度和控制原理和對外接口。硬件平臺采用AT91R M9200，總體設(shè)計采用兩層板體，并對外層的電路給出詳細(xì)的設(shè)計方法，這其中有以太網(wǎng)部件，Modem部件， CAN部件，I/O部件和對外操作界面。對于I/O部件和對外操作界面的設(shè)計是本文的一大創(chuàng)新點(diǎn)，采用了CPLD進(jìn)行了控制，且研究了其在硬件結(jié)構(gòu)的搭建過程中起到的作用。 3、對電梯控制系統(tǒng)的軟件平臺進(jìn)行了設(shè)計。先對軟件平臺的整體結(jié)構(gòu)進(jìn)行了討論和設(shè)計，進(jìn)而對Linux環(huán)境下每個部件的軟件實(shí)現(xiàn)進(jìn)行了研究，從而給出了基于本文所研究的電梯控制器的單梯軟件控制流程。文中還對控制任務(wù)進(jìn)行了詳細(xì)地劃分和處理，通過軟件編程實(shí)現(xiàn)了基本的控制任務(wù)。 4、本文還對所涉及的電梯控制器進(jìn)行了模擬仿真，仿真結(jié)果表明，本文設(shè)計的電梯控制器具有良好的邏輯控制功能，這給未來繼續(xù)研究高級智能控制電梯提供了良好的基礎(chǔ)思路。 本文研究并得到了基于嵌入式系統(tǒng)的電梯控制器模型，這對作者未來從事電梯方面的相關(guān)教學(xué)工作是大有裨益的。
[Abstract]:Combined with the actual situation of elevator control system at home and abroad, the elevator controller based on embedded system is studied in this paper. The embedded real-time operating system is applied to elevator control system, and the software and hardware of elevator controller are studied. The main contents of this paper are as follows: 1. Summarize and excavate the technical characteristics of the existing elevator control system, analyze the overall structure of the elevator control system, clarify the basic functions and principles of each part of the control system. The communication principle and realization method of the controller hardware are also given. 2. The embedded operating system is introduced as the controller kernel, and the hardware architecture is built. The hardware structure of elevator controller is mainly composed of micro CPU,OS and basic components. In this part, the construction process of hardware structure, the selection and comparison of communication lines, the principle of elevator dispatching and control and the external interface are discussed in detail. The hardware platform adopts AT91R M9200, and the overall design adopts two-layer board body. The detailed design method of the outer circuit is given, including Ethernet, Modem, CAN, I / O and external operation interface, among which the Ethernet part, the Modem part, the CAN part, the I / O part and the external operation interface are given in detail. The design of I / O part and external operating interface is one of the innovations in this paper. CPLD is used to control it and its role in the construction of hardware structure is studied. 3. The software platform of elevator control system is designed. Firstly, the whole structure of the software platform is discussed and designed, and then the software implementation of each component in Linux environment is studied, and the single ladder software control flow based on the elevator controller studied in this paper is given. The control task is divided and processed in detail, and the basic control task is realized by software programming. The simulation results show that the elevator controller designed in this paper has good logic control function. This provides a good basic idea for the future study of advanced intelligent control elevator. This paper studies and obtains the elevator controller model based on embedded system, which is of great benefit to the author's teaching work on elevator in the future.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TU857

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