基于Cyclone V的紅外熱像儀嵌入式系統(tǒng)研究
發(fā)布時(shí)間：2018-08-27 11:32
【摘要】：紅外熱像儀利甩紅外熱輻射原理,以嵌入式軟硬件平臺(tái)為載體,通過模擬、數(shù)字信號(hào)處理技術(shù),將物體溫度分布信息以圖像的方式直觀清晰的呈現(xiàn)出來,在工業(yè)、軍事以及日常安全生產(chǎn)中廣泛應(yīng)用。本文以Altera創(chuàng)新的Cyclone V SOC為核心控制器,研發(fā)了一種基于ARM+FPGA SOC技術(shù)的紅外熱像儀嵌入式系統(tǒng)。本文主要工作重點(diǎn)在于嵌入式系統(tǒng)軟硬件平臺(tái)的設(shè)計(jì)。首先,本文針對(duì)GWIR0202X1A型非制冷紅外焦平面探測(cè)器的具體要求,基于Cyclone V SOC特性完成了紅外熱像儀嵌入式系統(tǒng)硬件平臺(tái)的設(shè)計(jì),主要包括紅外熱像儀核心處理板、系統(tǒng)電源板、TEC驅(qū)動(dòng)電路板和紅外焦平面驅(qū)動(dòng)電路板等4塊電路板的設(shè)計(jì),其中核心處理板包括SDRAM存儲(chǔ)器模塊設(shè)計(jì),SD卡存儲(chǔ)模塊設(shè)計(jì),UART模塊設(shè)計(jì),視頻DAC模塊設(shè)計(jì)等,完成了高速多層PCB的布局布線設(shè)計(jì),并進(jìn)行了實(shí)際PCB制版。其次,以研制的系統(tǒng)硬件電路為平臺(tái)開展了紅外熱像儀軟件系統(tǒng)的設(shè)計(jì),這部分的主要內(nèi)容包括紅外熱像儀SOC系統(tǒng)模型設(shè)計(jì)以及嵌入式Linux操作系統(tǒng)移植兩個(gè)方面,前者主要包括Altera IP的選擇、自定義紅外相關(guān)IP模塊的設(shè)計(jì)、HPS(硬核處理器系統(tǒng))配置、SOC系統(tǒng)模型互聯(lián)等；后者包括Preloader(second program loader)、DTB(設(shè)備樹)、U-boot、 Linux內(nèi)核以及根文件系統(tǒng)的制作和移植等。最后,本文在紅外熱像儀嵌入式軟硬件平臺(tái)的基礎(chǔ)上完成了系統(tǒng)各個(gè)模塊的測(cè)試,具體內(nèi)容包括：電源系統(tǒng)測(cè)試、SDRAM存儲(chǔ)模塊測(cè)試、LED及按鍵測(cè)試、AD_RAM模塊測(cè)試以及視頻DAC輸出模塊測(cè)試等,驗(yàn)證了基于Cyclone V SOC嵌入式軟硬件平臺(tái)在紅外熱像系統(tǒng)應(yīng)用上的可行性,為新型非制冷熱像儀的研制準(zhǔn)備了技術(shù)基礎(chǔ)。
[Abstract]:The infrared thermal imager, based on the embedded software and hardware platform and digital signal processing technology, can display the temperature distribution information of the object in the way of image clearly and intuitively, in industry, by using the infrared thermal imager to dump the infrared heat radiation principle, and take the embedded software and hardware platform as the carrier, through analog and digital signal processing technology. Military and daily safety production is widely used. In this paper, an embedded system of infrared thermal imager based on ARM FPGA SOC technology is developed with Altera innovative Cyclone V SOC as the core controller. The main work of this paper is the design of embedded system hardware and software platform. First of all, according to the specific requirements of GWIR0202X1A uncooled infrared focal plane detector, based on the characteristics of Cyclone V SOC, the hardware platform of the infrared thermal imager embedded system is designed, which mainly includes the core processing board of the infrared thermal imager. The design of four circuit boards, including SDRAM memory module, SD card storage module, video DAC module and so on, is used to design the system power supply board and infrared focal plane drive circuit board, and so on, the core processing board includes the design of SDRAM memory module, the design of memory module of SD card, the design of video DAC module, etc. The layout and wiring design of high-speed multi-layer PCB is completed, and the actual PCB plate making is carried out. Secondly, the software system of infrared thermal imager is designed on the platform of the system hardware circuit. The main contents of this part include the design of SOC system model of infrared thermal imager and the transplant of embedded Linux operating system. The former mainly includes the choice of Altera IP, the design of self-defined infrared related IP module, the configuration of Preloader (second program loader) (hard core processor system), the interconnection of Preloader (second program loader) system model, etc. The latter includes the fabrication and transplantation of Preloader (second program loader) Preloader (second program loader) (device tree) U-boott, Linux kernel and root file system, etc. Finally, on the basis of the embedded software and hardware platform of infrared thermal imager, the test of each module of the system is completed. The specific contents include: power system test, SDRAM memory module test, DAC module test and video DAC output module test, etc. The feasibility of the application of embedded software and hardware platform based on Cyclone V SOC in infrared thermal image system is verified. The technical foundation is prepared for the development of new uncooled thermal imager.
【學(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TN219
本文編號(hào)：2207144
[Abstract]:The infrared thermal imager, based on the embedded software and hardware platform and digital signal processing technology, can display the temperature distribution information of the object in the way of image clearly and intuitively, in industry, by using the infrared thermal imager to dump the infrared heat radiation principle, and take the embedded software and hardware platform as the carrier, through analog and digital signal processing technology. Military and daily safety production is widely used. In this paper, an embedded system of infrared thermal imager based on ARM FPGA SOC technology is developed with Altera innovative Cyclone V SOC as the core controller. The main work of this paper is the design of embedded system hardware and software platform. First of all, according to the specific requirements of GWIR0202X1A uncooled infrared focal plane detector, based on the characteristics of Cyclone V SOC, the hardware platform of the infrared thermal imager embedded system is designed, which mainly includes the core processing board of the infrared thermal imager. The design of four circuit boards, including SDRAM memory module, SD card storage module, video DAC module and so on, is used to design the system power supply board and infrared focal plane drive circuit board, and so on, the core processing board includes the design of SDRAM memory module, the design of memory module of SD card, the design of video DAC module, etc. The layout and wiring design of high-speed multi-layer PCB is completed, and the actual PCB plate making is carried out. Secondly, the software system of infrared thermal imager is designed on the platform of the system hardware circuit. The main contents of this part include the design of SOC system model of infrared thermal imager and the transplant of embedded Linux operating system. The former mainly includes the choice of Altera IP, the design of self-defined infrared related IP module, the configuration of Preloader (second program loader) (hard core processor system), the interconnection of Preloader (second program loader) system model, etc. The latter includes the fabrication and transplantation of Preloader (second program loader) Preloader (second program loader) (device tree) U-boott, Linux kernel and root file system, etc. Finally, on the basis of the embedded software and hardware platform of infrared thermal imager, the test of each module of the system is completed. The specific contents include: power system test, SDRAM memory module test, DAC module test and video DAC output module test, etc. The feasibility of the application of embedded software and hardware platform based on Cyclone V SOC in infrared thermal image system is verified. The technical foundation is prepared for the development of new uncooled thermal imager.
【學(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TN219
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