【摘要】：隨著計算機硬軟件技術(shù)、網(wǎng)絡(luò)技術(shù)和通訊技術(shù)的發(fā)展,工業(yè)控制器呈現(xiàn)小型化、功能集成化等變化趨勢。對于不需要采用DCS和現(xiàn)場總線控制系統(tǒng)的工業(yè)對象,采用相應(yīng)工業(yè)控制器直接安裝在工業(yè)現(xiàn)場完成控制要求是目前普遍應(yīng)用的方式,利用AVR系列單片機來設(shè)計工業(yè)控制器,并實現(xiàn)工業(yè)控制器基本控制功能有一定的研究意義。 根據(jù)工業(yè)控制器的應(yīng)用特點,采用AVR單片機完成工業(yè)控制器的硬件、軟件設(shè)計和制作,采用了模塊化設(shè)計方式,工業(yè)控制器由主控制電路模塊、RS-485通訊模塊、電源供電模塊、A/D和D/A模塊、DI/DO模塊組成。在軟件方面依然按照模塊化設(shè)計思路,完成了主控制電路的軟件模塊、顯示電路軟件模塊、采樣電路軟件模塊、PID控制算法模塊等設(shè)計,同時設(shè)計中體現(xiàn)了工業(yè)控制器低功耗、抗干擾的要求。 工業(yè)控制器的硬件設(shè)計中采用了Altium Designer10繪圖軟件,完成了各個模塊硬件電路原理圖和PCB圖的設(shè)計。控制器的各軟件模塊設(shè)計采用了ICCAVR軟件完成程序的編譯、調(diào)試,生成可下載的.HEX目標文件,并通過ISP接口完成程序下載。最后對控制器硬軟件進行總體調(diào)試,調(diào)試結(jié)果達到設(shè)計要求。
[Abstract]:With the development of computer hardware and software technology, network technology and communication technology, industrial controller presents a trend of miniaturization and functional integration. For the industrial objects which do not need to adopt DCS and fieldbus control system, it is a common application way to use the corresponding industrial controller to complete the control requirement in the industrial field directly. The industrial controller is designed by using the AVR series single chip microcomputer. And the realization of industrial controller basic control function has certain research significance. According to the application characteristics of the industrial controller, the hardware and software of the industrial controller are designed and fabricated by AVR single chip microcomputer. The modular design mode is adopted. The industrial controller is composed of the main control circuit module and RS-485 communication module. Power supply modules A / D and D / A / D / D / D / D / D / do modules. In the software aspect, the software module of main control circuit, display circuit software module, sampling circuit software module and pid control algorithm module are completed according to the modular design idea. At the same time, the low power consumption of industrial controller is embodied in the design. Anti-interference requirements. The Altium Designer10 drawing software is used in the hardware design of the industrial controller. The schematic diagram of the hardware circuit and the PCB diagram of each module are designed. The software modules of the controller are designed using ICCAVR software to compile, debug, generate downloadable .HEX target file, and download the program through ISP interface. Finally, the hardware and software of the controller are debugged as a whole, and the debugging results meet the design requirements.
【學(xué)位授予單位】：南京師范大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TP273;TP368.12

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