Vlite node – new sensors solution for farming


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Vlite node – new sensors solution for farming

  2. 2. Objective <ul><li>Collection of agro meteorological information </li></ul><ul><li>VL IT node technology </li></ul><ul><li>VLIT node as concentrator </li></ul><ul><li>MORT gateway </li></ul><ul><li>Database </li></ul><ul><li>Web Interfaces </li></ul><ul><li>Visualisation </li></ul>12.7.2011 EFITA/WCCA 2011
  3. 3. Collection of agro meteorological information <ul><li>The importance of meteorology in agriculture has been increasing due rapid weather conditions changes </li></ul><ul><li>To meet the farmers ambitions, especially in areas where parcels are relatively small involving the growth of “expensive” cultivars, there is the need of establishing networks of local sensors and meteorological stations. </li></ul>12.7.2011 EFITA/WCCA 2011
  4. 4. Collection of agro meteorological information 12.7.2011 EFITA/WCCA 2011
  5. 5. Collection of agro meteorological information 12.7.2011 EFITA/WCCA 2011
  6. 6. Collection of agro meteorological information 12.7.2011 EFITA/WCCA 2011
  7. 7. V LIT requirements <ul><li>Very low complexity elementary sensors, associated with a low power consumption and low-cost; </li></ul><ul><li>High reliability of the decision /estimation/ measurement of the network as a whole; </li></ul><ul><li>Long network life-time for low maintenance and stand-alone operation; </li></ul><ul><li>High scalability; </li></ul>12.7.2011 EFITA/WCCA 2011
  8. 8. V LIT technology 12.7.2011 EFITA/WCCA 2011
  9. 9. V LIT technology <ul><li>Working frequency - 868.0 – 868.6 MHz </li></ul><ul><li>Distance between nodes - In the line-of-sight: at least 200m in any weather conditions, at least 800 m in ideal weather conditions </li></ul><ul><li>Communication support - At least Point-to-point, Point-to-multipoint, multi – hopping </li></ul><ul><li>Technology supports - wireless networking (with corresponding operating system), data collection, data processing at least on calculation of simple operations level, data transmission </li></ul>12.7.2011 EFITA/WCCA 2011
  10. 10. V LIT technology <ul><li>Battery Lifetime of Node - 6 months – 5 years (depending on battery size and type of communication) </li></ul>12.7.2011 EFITA/WCCA 2011
  11. 11. VLIT NODE as concentrator <ul><li>At least one node in network must act as so called “concentrator”. This node collects all data from network and forwards them to the upstanding system (RS485 bus). </li></ul>12.7.2011 EFITA/WCCA 2011
  12. 12. Vlit node as concentrator 12.7.2011 EFITA/WCCA 2011
  13. 13. MORT gateway <ul><li>Gateway is small computer kit based on modules compatible with industrial standard PC104 </li></ul><ul><li>In the case, gateway consists of power board (powering of other boards, battery handling), processor board (AVR Atmega with sram memory, flash), GPRS modem board (optionally with GPS module) and RS485 expansion board </li></ul>12.7.2011 EFITA/WCCA 2011
  14. 14. MORT gateway 12.7.2011 EFITA/WCCA 2011
  15. 15. Database <ul><li>For main data storage Postgres with PostGIS relation database management system is used. </li></ul><ul><li>Important tables: </li></ul><ul><li>units </li></ul><ul><li>sensors </li></ul><ul><li>Phenomenon's </li></ul><ul><li>Observations </li></ul><ul><li>alert events </li></ul><ul><li>alerts </li></ul>12.7.2011 EFITA/WCCA 2011
  16. 16. Database 12.7.2011 EFITA/WCCA 2011
  17. 17. Web services <ul><li>Metadata about sensor network </li></ul><ul><ul><li>There are important information about topology of sensor network, positions of particular sensors, types of sensors and observed phenomenons, accuracy and frequency of measurement. </li></ul></ul><ul><li>Observed values </li></ul><ul><ul><li>From metadata users can choose what set of values are required. By using proper service observed values can be requested. Such request can be parameterized by time period, location, phenomenon etc. There is also possible to define the output format (e.g. xml, json, csv , chart raster file) </li></ul></ul>12.7.2011 EFITA/WCCA 2011
  18. 18. W EB services <ul><li>The operations of the SOS are separated in four profiles: </li></ul><ul><ul><li>core profile – three basic operations that shall be provided by every SOS implementation </li></ul></ul><ul><ul><li>transactional profile – operations to register new sensors and insert their observations into SOS </li></ul></ul><ul><ul><li>enhanced profile – additional optional operations for getting observations or feature of interests by special parameters or for getting schemas of types or models. </li></ul></ul><ul><ul><li>entire profile – implements all operations </li></ul></ul>12.7.2011 EFITA/WCCA 2011
  19. 19. Visualisation <ul><li>HSLayers (Help Service + OpenLayers) combines capabilities of ExtJS and OpenLayers and several helping scripts to establish truly Web GIS applications. Development started in 2007. In 2009, after 2 years of development, it was released under conditions of GNU General Public License 3. </li></ul>12.7.2011 EFITA/WCCA 2011
  20. 20. Visualisation 12.7.2011 EFITA/WCCA 2011
  21. 21. Visualisation 12.7.2011 EFITA/WCCA 2011
  22. 22. Acknowledgement <ul><li>VLIT NODE - the solution was achieved with financial support from state resources provided by the Ministry of Industry and Trade of the Czech Republic for support of project of the program “TIP-2009” with registration number FR—TI1/523. </li></ul>12.7.2011 EFITA/WCCA 2011
  23. 23. Thank you for your attention <ul><li>www.ccss.cz </li></ul><ul><li>[email_address] </li></ul>12.7.2011 EFITA/WCCA 2011
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