Integration of wirelessHART and STK600 development kit for data collection in wireless sensor networks
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Offshore industry operates in world’s most challenging environment. Oil and gas facilities aim for continuous production to achieve the desired goals and a robust communication network is required to avoid production loses. The IEEE 802.15.4 specification has enabled low cost, low power Wireless Sensor Networks (WSNs) capable of providing robust communication and therefore utilises as a promising technology in oil and gas industry. The two most prominent industrial standards using the IEEE 802.15.4 radio technology are WirelessHART and ISA100.11a.These are currently the competitors in the automation and offshore industry. In this project, we have worked on Nivis WirelessHART development kit that has some on-board sensors. Our main goal is to integrate WirelessHART with external sensor board so that we can get the readings from external sensors and publish the data over web interface provided by Nivis. Since, Nivis WirelessHART field router is not an open source and un-programmable, therefore it is considered as a black box. Due to lack of such capabilities, we cannot connect external sensor directly to Nivis radio. We have chosen Atmel STK600-Atmega2560 development kit as an external sensor board. In order to establish communication between STK600 and Nivis WirelessHART, we have written an application in AVR studio and flash it to STK600 over the USB connection. We have implemented a serial communication protocol called Nivis simple API and made Nivis board able to get data from sensors interfacing STK600. Nivis radio will then forward this data to WirelessHART through HART gateway. Moreover, we have configured Monitoring Host to visualize the data from external sensors along with built-in sensors over the Monitoring Control System (MCS). Finally, we evaluate our implementation by various experiments and prove that the overall flow is working properly.
Masteroppgave i informasjons- og kommunikasjonsteknologi IKT590 2013 – Universitetet i Agder, Grimstad