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Design and implementation of digital heart rate counter by using the 8051 microcontroller

机译：使用8051微控制器的数字心率计数器的设计与实现

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摘要

The heart is an organ of human body which has a dynamic function, slight abnormalities in the heart functions could obligate life-threatening. The ability to provide accurate heart rate can save patients from serious death. The purpose of this article, is how to design a low cost and mobile heart-rate counting system based on the microcontroller for monitoring heart health. The heart pulse was acquired by using IR finger-tip sensor, based on this biomedical signal a conditioning circuit was designed for filtering these signal and processing it. As well, the processed signal was countered using a microcontroller and displayed on seven segment display. The results of this study are expected to let the physician team to monitor and easily reading heart rate. Based on the test results, the designed system gave a good response and an accurate heart rate counting with accepted low percentage error comparison to manual measurement. The designed system can be interface with personal computers. This will give opportunities to perform further analysis to distinguish and predict any other heart disease. However, the presented method in this developed system needs further investigation and need more functionality, which may be useful to consider in future research.
机译：心脏是具有动态功能的人体器官，心脏功能的轻微异常可能危及生命。提供准确心率的能力可以使患者免于严重死亡。本文的目的是如何设计一种基于微控制器的低成本，可移动的心率计数系统，以监测心脏健康。通过使用IR指尖传感器获取心脏脉冲，基于此生物医学信号，设计了一个调节电路来过滤这些信号并对其进行处理。同样，使用微控制器对处理后的信号进行计数，并显示在七段显示器上。预期这项研究的结果将使医生团队能够监视并轻松读取心率。根据测试结果，设计的系统具有良好的响应和准确的心率计数功能，与手动测量相比，误差率低。设计的系统可以与个人计算机接口。这将提供进行进一步分析以区分和预测任何其他心脏病的机会。但是，在此开发的系统中提出的方法需要进一步研究并且需要更多的功能，这可能在将来的研究中很有用。

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