【摘要】：呼吸機(jī)作為一種協(xié)助自主呼吸的有效設(shè)備，在現(xiàn)代醫(yī)療設(shè)備方面占據(jù)了很重要的位置。本課題研究了一款以膈肌肌電觸發(fā)模式為主，多種觸發(fā)模式并存的高精度、高舒適度、高可靠性的呼吸機(jī)。 首先，本文對(duì)本系統(tǒng)進(jìn)行功能和技術(shù)上的需求分析，提出了雙MCU的系統(tǒng)架構(gòu)，每個(gè)MCU負(fù)責(zé)相對(duì)獨(dú)立的一塊功能。其中一個(gè)MCU負(fù)責(zé)面板這一部分，這也是本文主要介紹部分。面板的職責(zé)是設(shè)計(jì)一個(gè)良性界面和相關(guān)數(shù)據(jù)通信接口。 其次，在確定系統(tǒng)總體架構(gòu)后，本文對(duì)系統(tǒng)硬件平臺(tái)和軟件平臺(tái)進(jìn)行詳細(xì)的選型。在選型階段，分析了上層應(yīng)用軟件需要硬件資源，以及資源消耗點(diǎn)分析，從而確立所需ARM內(nèi)核資源以及外圍接口。另一方面，分析和比較當(dāng)下各種操作系統(tǒng)，從系統(tǒng)硬件出發(fā)，，利用中間件的思想和優(yōu)點(diǎn)，選擇合適的軟件平臺(tái)。最終選擇了以L(fǎng)PC3250為硬件平臺(tái)的核心，以RTX實(shí)時(shí)操作系統(tǒng)為軟件平臺(tái)的核心的解決方案。 接著，我們就RTX操作系統(tǒng)平臺(tái)，開(kāi)發(fā)相關(guān)數(shù)據(jù)通信接口，如UART、SPI、Internet和USB。在開(kāi)發(fā)這些數(shù)據(jù)通信接口時(shí)候，我們首先分析硬件平臺(tái)的數(shù)據(jù)通信接口特點(diǎn)，進(jìn)行相關(guān)的電路設(shè)計(jì)。隨后對(duì)各個(gè)通信接口的帶寬進(jìn)行數(shù)據(jù)分析，并針對(duì)帶寬不足等問(wèn)題進(jìn)行硬件加速。最后，完成整套數(shù)據(jù)通信接口驅(qū)動(dòng)編寫(xiě)，以及通信數(shù)據(jù)測(cè)試。 最后，本人就GUI系統(tǒng)平臺(tái)和GUI應(yīng)用程序作了詳細(xì)介紹。在GUI系統(tǒng)平臺(tái)部分，本文在分析和比較各種嵌入式GUI平臺(tái)基礎(chǔ)上，提出了GUI實(shí)現(xiàn)架構(gòu)并給出了具體實(shí)現(xiàn)。然后針對(duì)此GUI平臺(tái)，研究呼吸機(jī)涉及的主要的生理參數(shù)和系統(tǒng)曲線(xiàn)，對(duì)各個(gè)界面模塊合理布局，設(shè)計(jì)出符合醫(yī)護(hù)人員要求和習(xí)慣人機(jī)界面。
[Abstract]:Ventilator, as a kind of effective equipment to assist autonomous breathing, occupies a very important position in modern medical equipment. In this paper, a ventilator with high precision, high comfort and high reliability is studied, which is based on diaphragm electromyography trigger mode and co-exists multiple trigger modes. Firstly, this paper analyzes the functional and technical requirements of the system, and proposes a dual MCU system architecture, each MCU is responsible for a relatively independent function. One of the MCU is responsible for this part of the panel, which is also the main part of this article. The responsibility of the panel is to design a benign interface and related data communication interface. Secondly, after determining the overall structure of the system, the hardware platform and software platform of the system are selected in detail. In the selection stage, the hardware resource and the resource consumption point of the upper application software are analyzed, so as to establish the ARM kernel resource and the peripheral interface. On the other hand, we analyze and compare the current operating systems and choose the appropriate software platform based on the system hardware and the advantages of middleware. Finally, we choose the solution of LPC3250 as the core of hardware platform and RTX real-time operating system as the core of software platform. Then, on the RTX operating system platform, we develop related data communication interfaces, such as UART,SPI,Internet and USB. In the development of these data communication interfaces, we first analyze the characteristics of the hardware platform data communication interface, and carry out the related circuit design. Then the bandwidth of each communication interface is analyzed, and hardware acceleration is carried out to solve the problem of bandwidth shortage. Finally, complete the whole set of data communication interface driver writing, as well as communication data testing. At last, I introduce the GUI system platform and GUI application program in detail. In the part of GUI system platform, based on the analysis and comparison of various embedded GUI platforms, the implementation framework of GUI is put forward and the concrete implementation is given. Then the main physiological parameters and system curves of ventilator are studied based on this GUI platform. The reasonable layout of each interface module is designed to meet the requirements of medical personnel and the habit of man-machine interface.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類(lèi)號(hào)】：TH777

【引證文獻(xiàn)】

相關(guān)碩士學(xué)位論文 前1條

1 董佳;CAN總線(xiàn)分析儀設(shè)計(jì)[D];華南理工大學(xué);2012年

本文編號(hào)：2200964