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首页> 外文期刊>Computers and Electronics in Agriculture >A computer program for monitoring and controlling ultrasonic anemometers for aerodynamic measurements in animal buildings.
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A computer program for monitoring and controlling ultrasonic anemometers for aerodynamic measurements in animal buildings.

机译：用于监视和控制用于动物建筑物中空气动力学测量的超声波风速计的计算机程序。

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Ultrasonic anemometers (USAs) are widely implemented in animal housing to measure the air velocity in different measuring points throughout the whole barn, which ultimately leads to determine the velocity fields and the air flow patterns drawing a clear vision of aerodynamics inside animal buildings. The problem is the timely inconsistent data transmission from the different USAs leading to varied data recording, which makes the comparison between the recorded velocities in different points timely inappropriate. One key issue is to monitor and control the USAs, meanwhile, debug and record the data. Therefore, LabVIEW 8.5, which is a platform and development environment for a visual programming language, was used to configure a computer program to monitor and control the USAs. The principal functions of the system are represented in a main block diagram which consists of 39 sub-diagrams. Five versions of the program were consecutively developed, and then each version was validated and further developed to get the next enhanced version, and so on till Version 5.0. The evaluation and data recording are carried out simultaneously, where the data are transferred from the USAs to the program which detects accidental errors that may have been introduced during data transmission or storage using a checksum algorithm. The developed computer program has been implemented successfully for monitoring and controlling USAs used for carrying out air velocity measurements in livestock housing. Three measurements campaigns were performed to investigate the air profile inside a dairy barn under two conditions, which are "ceiling fans on" and "ceiling fans off", where the average air velocities were 0.98 and 0.59 m s-1, respectively.Digital Object Identifier http://dx.doi.org/10.1016/j.compag.2011.08.006
机译：超声波风速计（USAs）广泛应用于动物饲养场中，以测量整个谷仓中不同测量点的空气速度，最终确定速度场和气流模式，从而清晰地了解动物建筑物内部的空气动力学。问题是来自不同美国的及时数据传输不一致，导致数据记录不一，这使得在不同点记录的速度之间的比较不及时。一个关键问题是监视和控制美国，同时调试和记录数据。因此，LabVIEW 8.5是一种可视化编程语言的平台和开发环境，用于配置计算机程序以监视和控制美国。该系统的主要功能在一个主要框图中表示，该框图由39个子图组成。程序的五个版本被连续开发，然后验证每个版本并进一步开发以获得下一个增强版本，依此类推直到5.0版。评估和数据记录同时进行，其中数据从美国转移到程序中，该程序检测使用校验和算法在数据传输或存储过程中可能引入的意外错误。已经成功实施了开发的计算机程序，用于监视和控制用于在畜禽舍中进行空气速度测量的美国。在两个条件下进行了三个测量活动，以调查奶牛棚内的空气状况，即“吊扇开启”和“吊扇关闭”，这两种情况的平均风速分别为0.98和0.59 ms -1 分别是数字对象标识符http://dx.doi.org/10.1016/j.compag.2011.08.006

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