The environmental quality of livestock houses is key to livestock breeding and directly affects the growth and health of animals.To target the characteristics of long application cycles and large coverage areas for en...The environmental quality of livestock houses is key to livestock breeding and directly affects the growth and health of animals.To target the characteristics of long application cycles and large coverage areas for environmental monitoring in large-scale livestock breeding,the current study designed a remote monitoring system to provide livestock environmental information based on LoRa wireless ad hoc network technology.The system consisted of collection terminals,control terminals,LoRa gateways,and Alibaba Elastic Compute Service.It realized real-time collection,wireless transmission,storage of multi-sensor node data,and remote control.The system was not limited by the selected time or region,because data interaction was achieved by accessing cloud servers using GPRS technology.Users could browse and obtain data from computers and a WeChat mini program from any location with network coverage.Additionally,the system used the improved receiver-based auto rate(RBAR)rate-adaptive algorithm in the LoRa wireless communication component.After application on a dairy farm,the results showed that the whole system collected 6140 sets of environmental data from four dairy houses.The packet loss rate was less than 1%within a communication distance of 604 m,and the communication success rate was greater than 99%.The control instructions were real-time and accurate,and the response time was less than 10 s,which met the remote control needs of large farms.The system provided powerful data and technical support for precision animal production.展开更多
为了实现某电线电缆车间生产线数据的存储,设计了下位机数据采集系统与上位机数据存储系统。下位机实现了激光测径仪与编码器传感器的数据采集,上位机实现了系统数据存储。利用该系统可以获取激光测径仪与编码器信息,并通过LoRa(long ra...为了实现某电线电缆车间生产线数据的存储,设计了下位机数据采集系统与上位机数据存储系统。下位机实现了激光测径仪与编码器传感器的数据采集,上位机实现了系统数据存储。利用该系统可以获取激光测径仪与编码器信息,并通过LoRa(long range radio)自组网设备为车间数据服务器提供可靠的生产数据信息。展开更多
基金This work is financially supported by the National Key Research and Development Program of China(Grant No.2019YFE0125600)the National Natural Science Foundation of China(Grant No.32172784)+2 种基金the China Agricultural Research System(CARS-36)the Northeast Agricultural University“East Agricultural Scholar Program(Academic Backbone)”Project(Grant No.20XG37)the University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province,China(Grant No.UNPYSCT-2020092).
文摘The environmental quality of livestock houses is key to livestock breeding and directly affects the growth and health of animals.To target the characteristics of long application cycles and large coverage areas for environmental monitoring in large-scale livestock breeding,the current study designed a remote monitoring system to provide livestock environmental information based on LoRa wireless ad hoc network technology.The system consisted of collection terminals,control terminals,LoRa gateways,and Alibaba Elastic Compute Service.It realized real-time collection,wireless transmission,storage of multi-sensor node data,and remote control.The system was not limited by the selected time or region,because data interaction was achieved by accessing cloud servers using GPRS technology.Users could browse and obtain data from computers and a WeChat mini program from any location with network coverage.Additionally,the system used the improved receiver-based auto rate(RBAR)rate-adaptive algorithm in the LoRa wireless communication component.After application on a dairy farm,the results showed that the whole system collected 6140 sets of environmental data from four dairy houses.The packet loss rate was less than 1%within a communication distance of 604 m,and the communication success rate was greater than 99%.The control instructions were real-time and accurate,and the response time was less than 10 s,which met the remote control needs of large farms.The system provided powerful data and technical support for precision animal production.
文摘为了实现某电线电缆车间生产线数据的存储,设计了下位机数据采集系统与上位机数据存储系统。下位机实现了激光测径仪与编码器传感器的数据采集,上位机实现了系统数据存储。利用该系统可以获取激光测径仪与编码器信息,并通过LoRa(long range radio)自组网设备为车间数据服务器提供可靠的生产数据信息。
