Research And Design Of Integrated Blood Pressure Monitor System Based On Arm Embedded System

With the development of information technology.microelectronic technology and sensor technology.the embedded system technology also develops rapidly. Meanwhile.the medical industry has also developed deeply driven by the embedded techonology.The primary work of this paper is research and design of a kind of medical electronic equipment of integrated blood pressure monitor system based on ARM embedded system.The topic of this paper makes a far-reaching significance,As the improvment of living standards.due to changes of live structural which brings about the universality of hypertension and other problems such as stroke. coronary heart disease and sudden cardiac death caused by hypertension is rising constantly.lt has brought a heavy burden to the patients and the community. therefore. to measure the human physiological blood pressure and timely prevent and treat becomes especially important.Though a lot of blood pressure monitor devices appears in the present market. most of them have deficiencies of poor measurement accuracy. little storage capacity. limited functionality. can not dynamic monitoring and so on.Thus.to develop a kind of superior performance.powerful functionality and ecomonical dynamic blood pressure motor system is significant.Before research and design of this system.I have made a fully investigation and research about different kinds ot blood pressure monitor devices(mainly electronic blood pressure monitor).Based on these I proposed the design idea of this system.The main functions of this system to achieve include to improve measurement accuracy. increase the storage capacity. set up multiple communication ports, to achieve dynamic monitoring of blood pressure.establish user-friendly control interface and so on.In order to achieve the above functions, this system uses a high-performance ARM-based microcontroller to design which can realize the automatic control and adjustment during blood pressure measurement;Using Motorola's high-precision pressure sensor MPX2100 to complete blood pressure signal data collection.Using a two-scale active low-pass and high pass filter network to extract useful signal; Micro-controller integrated 8-channel 10-bit precision A/D converter complete the data conversion;After the blood pressure measurement.it can display automatically and store which depends; The system equipped with a 8M bytes flash to store data.It contains richful communication ports of RS232.USB communication. network communication and so on.One of the most inportant improvement is implanting in the real-time embedded operating systemμC/OS-Ⅱ.it greatly promotes the efficiency of the system and measurement accuracy.which facilitate a variety of application software development and product upgrade.It builds a user-friendly interface for user to operate and control the functions.at the same time.I have done some research and design about the software.completed the configuration of the operate system aboot process program and the transplant of the operate system.finished some drive programs and the debug as well as the design of the system control interface.I only did a preliminary study about the network communication in this thesis.Finally.this paper presents a summary about the research of the system and propose some improvement and innovative ideas.I believe it will show certain significance to the development of electronic blood pressure system in the future.