دانلود رایگان مقاله انگلیسی سیستم کنترل حسگر بی سیم مبتنی بر شبکه برای آبزی پروری ماهی آب شیرین - الزویر 2018

عنوان فارسی
سیستم کنترل حسگر بی سیم مبتنی بر شبکه برای آبزی پروری ماهی آب شیرین
عنوان انگلیسی
A wireless sensor network-based monitoring system for freshwater fishpond aquaculture
صفحات مقاله فارسی
0
صفحات مقاله انگلیسی
10
سال انتشار
2018
نشریه
الزویر - Elsevier
فرمت مقاله انگلیسی
PDF
نوع مقاله
ISI
نوع نگارش
مقالات پژوهشی (تحقیقاتی)
رفرنس
دارد
پایگاه
اسکوپوس
کد محصول
E10179
رشته های مرتبط با این مقاله
مهندسی فناوری اطلاعات، منایع طبیعی
گرایش های مرتبط با این مقاله
شبکه های کامپیوتری، شیلات
مجله
مهندسی بیوسیستم - Biosystems Engineering
دانشگاه
School of Urban Rail Transit - Changzhou University - Changzhou - PR China
کلمات کلیدی
شبکه حسگر بی سیم، آبزی پروری، اکسیژن محلول، ذخیره انرژی، نظارت
doi یا شناسه دیجیتال
https://doi.org/10.1016/j.biosystemseng.2018.05.016
۰.۰ (بدون امتیاز)
امتیاز دهید
چکیده

Cabled intelligent systems bring with them the complexities of structures, the complications of data measurements and transmission, and a limited scale of application. A wireless sensor network is used to eliminate these disadvantages, however reliability of data transmission and energy saving in a wireless sensor network are two challenges that still need to be addressed. The design information on three types of nodes in a wireless sensor network is described in detail. Tree topology for WSN is adopted to decrease the packet loss rate and improve reliability of data transmission. Allowing sensor nodes to sleep and reorganising the data frames are the two approaches used to achieve energy-saving. The experimental results demonstrate the usefulness of these approaches in solving the challenges.

نتیجه گیری

Conclusion


In this study, we present a monitoring system based on a WSN to measure environmental variables (DO concentration and water temperature in this application) in freshwater fishpond aquaculture. The hardware of WSN nodes, topology of WSN and software for different types of nodes are also described in detail. The experimental results show that tree topology brings less packet loss rate than star or mesh and reached 3.2% at a measurement interval of 2s in this application. Meanwhile, the experimental results also show that there are significant positive effects on a WSN node's continuous working hours through adopting energy-saving strategies including PM2 and data merging mode. The average remaining energy of sensor nodes, routing nodes and gateway node respectively reach 58%, 42%, and 29% after running for 20 days. Further work will focus on multi-functions of the system, improvement of energy saving, and forecasting of DO concentration and water temperature in the three-dimensional space of a fishpond. Further work will also assess solar energy to replace AA batteries, to avoid producing waste batteries. Consideration of short series of multiple measurements at a lower frequency, and the effects on the efficiency and reliability of transmission imposed by increasing sensor nodes are also needed.


بدون دیدگاه