航空植保自动计量系统的设计与开发

航空植保自动计量系统为监督、规范农业航空植保市场提供了有力保障。系统包括机载终端、数据管理及服务平台,通过监测多个指标来确保数据获取的准确性;开发了数据库访问中间件,提高了系统的可扩展性和可靠性;采用多指标约束的架次面积统计方法,提高了统计结果的真实性与可靠性;采用了缓存机制提高了系统的访问速度与稳定性;采用本地存储、云存储结合的方式确保数据的可靠性。试验结果表明:系统计量结果与实际数据误差在可控范围内。2015年,系统在全国多个省市进行了示范性应用,监管植保作业面积7.3万hm2多,作业里程2万km多,起落架次2 158次,系统稳定性高,统计结果较为准确,软件操作简单、明了,具有较大的推广价值。

Design and Development of Automatic Metering System for Aviation Plant Protection

The automatic metering system for aviation plant protection provides a powerful guarantee for standardizing the market of agricultural aviation plant protection .System includes the airborne terminal , data management and service plat-form .By monitoring the multiple indicators to ensure the accuracy of the data acquisition;The middleware for data man-agement , improves the scalability and reliability;Using multi-index constraint statistical methods of sorties and area , to improve the authenticity and reliability of the results;Using the caching mechanism to improve the access speed and sta-bility of the system;System uses the local storage and the cloud storage to ensure the reliability of data .The experiment shows that the system measurement results is similar to the actual data .In 2015 , system has been applied in several provinces , and has supervised more than 11 million mu of working area , 2158 times of sorties .Result shows that the sys-tem has high stability , accurate statistical results , simple mode of operation , and has a greater value for promotion .