Technical Note : Wireless range benchmarking BeanDevice
Contents
1. ccccccccccceeeeeeeeeaeeeesssseeeeeeeeeeeeeeees 28 10 1 About The External Power Supply sssssesesessssesseeenn nnne nennen nennen nn enar n nnns nsns ann nnns 28 UP Eoo id acc dt e ee 29 Please consider the environnement before printing this document Page 3 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges Disclaimer The information contained in this document is the proprietary information of BeanAir The contents are confidential and any disclosure to persons other than the officers employees agents or subcontractors of the owner or licensee of this document without the prior written consent of BeanAir Ltd is strictly prohibited BeanAir makes every effort to ensure the quality of the information it makes available Notwithstanding the foregoing BeanAir does not make any warranty as to the information contained herein and does not accept any liability for any injury loss or damage of any kind incurred by use of or reliance upon the information BeanAir disclaims any and all responsibility for the application of the devices characterized in this document and notes that the application of the device must comply with the safety standards of the applicable country and where applicable with the relevant wiring rules BeanAir reserves the right to make modifications additions an2. Real Time WSN Supervision Figure 4 WSN with 3G Network 8 3 2 Network architecture performances FEATURES Local Cloud supervision software Local BeanScape Network Reliability Low Beanair cannot make a guarantee the 3G Quality of Services QOS Network installation complexity High Compatibility with streaming streaming Yes packet and SSD Data acquisition mode Please consider the environnement before printing this document Page 25 30 Rethinking sensing technology Document version 1 2 eanAir Structural Health monitoring on Document Type Technical Note bridges 8 4 VARIOUS DATA ACQUISITION MODES AVAILABLE ON DIFFERENT PLATFORMS DATA ACQUISITION MODE GSM GPRS Ec ETHERNET Low Duty Cycle Data Acquisition L DCDA Yes witha minimum duty cycle of 30s Alarm amp Survey mode Yes with a Yes Yes minimum duty cycle of 30s LEE E Please consider the environnement before printing this document Page 26 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 9 SCILAB SCRIPTS Created in 2003 by INRIA the French National Institute for Research in Computer Science and Control the Scilab Consortium joined the Digiteo Foundation in July 2008 The Scilab Consortium which includes industrials and academics pursues the ambition of making Scilab technology th
3. Network Topology with 1 BeanGateway connected to the BeanScape Please consider the environnement before printing this document Page 19 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on bridges ea onscape Real Time WSN FO ND A TION Supervision Ethernet connexion Figure 2 Network Topology with several BeanGateway connected to the BeanScape 8 1 1 Hardware Requirements Embedded PC Use a ruggedized Embedded PC with Windows Embedded or Windows XP software The BeanScape is not compatible with Linux or Ubuntu OS BeanGateway Outdoor version of the BeanGateway with Ethernet connexion version Page 20 30 Please consider the environnement before printing this document Rethinking sensing technology Document version 1 2 anAir Structural Health monitoring on Document Type Technical Note bridges 8 1 1 Network architecture performances FEATURES Local Cloud supervision software BeanScape Local supervision software Network Reliability High Network installation complexity Low Compatibility with streaming streaming Yes packet and SSD Data acquisition mode Please consider the environnement before printing this document Page 21 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on bridges 8 2 WSN WITH GSM GPRS CONNECTION AND
4. ONESENSE WEBSERVER OneSense Webserver Webportal is available for customers based in FRANCE and will soon be available to export as well The GSM GPRS architecture is well suited for low rate data transmission In addition the OneSense Webser Webportal offers a highly customizable GUI together with numerous web services and functionalities that blend into your already existing IT platforms and infrastructures SAAS paltform OneSense Energy BeanGateway Internet Access OneSense ENERGY Networks Operators Wireless Sensor Figure 3 WSN with GSM GPRS Network GSM GPRS Network is not compatible with streaming streaming packet and SSD Smart shock detection data acquisition mode Please consider the environnement before printing this document Page 22 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 8 2 1 Hardware Requirements OneSense Energy Webserver BeanGateway Outdoor version of the BeanGateway with GSM GPRS connectivity version The BeanGateway GSM GPRS can not operate without OneSense Energy Webserver 8 2 1 Network architecture performances Local Cloud supervision software Cloud solution OneSense Energy Network Reliability Medium Network installation complexity Medium Compatibility with streaming streaming No packet and SSD Data acqu
5. uncommon to see even older structures which are still in service During its long service life a bridge would be subject to aging processes harsh environmental conditions and excessive loads leading to deterioration Consequences of impaired physical condition can be as severe as the collapse of the structure causing great financial loss or even casualties but even major protective maintenance and upgrading works or replacement of the bridge are expensive and troublesome Thus it is important to have updated information on structural condition and performance of bridges in order to early detect any worrying signs of decline and undertake protective countermeasures Transportation infrastructure authorities have long recognized the need to keep their bridges healthy and to this end have implemented various inspection and management programs The current health monitoring practice is primarily based on visual inspection However due to high manpower demand such inspections cannot be performed frequently Other drawbacks of visual inspection based condition assessment include inaccessibility of critical parts of the structure and lack of information on actual loading These shortcomings lead to subjective and inaccurate evaluations of bridges safety and reliability As a result some bridges may be retrofitted or replaced while in fact they are sound on the other hand existing damages in other bridges may not be identified until they become expensive to re
6. F 003 Wireless Network Capacity Please consider the environnement before printing this document Page 15 30 7 3 SINKING AND CRACK DETECTION ON BRIDGE The BeanDevice AX 3DS can be used for detecting a shock event during a train passage on a bridge This product is ideal for analyzing the shock profile on the bridge foundation fi U F Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 7 3 1 Advantages of SSD Technology Smart shock Detection The Beandevice AX 3DS offers the following advantages SSD Smart shock The BeanDevice will wake up when a shock threshold is detected The user detection Technology can fix by himself the shock threshold and time hysteresis For further information about the SSD Smart Shock Detection measurement oo ooo o TN RF 008 Data acquisition modes available on the BeanDevice Ultra Low Power wireless Power Consumption in Sleeping step Power Consumption in sleeping mode with SSD Smart Shock Detection activated Accelerometer Bandwidth BeanDevice Power Consumption during Sleeping Mode False alarm management For avoiding false alarms the user can fix by himself the time hysteresis Please consider the environnement before printing this document Page 17 30 Rethinking sensing tec
7. Ref RF AN 002 V1 2 x t 5 Oi ee SS eee Woo gm ie ea aR www beanair com Rethinking sensing technology Document version 1 2 e ea nAi r Structural Health monitoring on Document Type Technical Note bridges UMDE V1 2 RF sao 002 cation da _ 25 05 2012 christophe DONTEGREUIL Structural TEN onOne on bridges VALIDATION For For Validation information X Function Recipients MAILING LIST LONE OL Stafferi 1 1 1 1 11 Christophe DONTEGREUIL X Staffer2 Maneli PARSY KX Updates Version Date Author Evolution amp Status Christophe 10 09 2011 DONTEGREUIL First version of the document Shift 1 0 gt 1 1 E 29 04 2012 Maneli PARSY Technical notes Hyperlink added Christophe Shift 1 1 gt 1 2 ZO MSN DONTEGREUIL Videos hyperlink added Please consider the environnement before printing this document Page 1 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges ti WC TG SU Ba TT 5 2 VISUAL SYMBOLS DEFINITION iruitnactedse oett ent du ib totae adea ted exu ute auae tede EE Mie EU Eu tuse 6 de ACRONYMS AND ABBREVIA TIONS eieccode ones us EEE d guides des cadcm Iur Luo Gnaeus ead orans UI d 7 4 RELATED DOCUMENTS cccssssseseeeeeeeeeeceeeeeeeseneasssesseeeeeeeeeeceeseeeeeesaaasssseseeaee
8. SD Smart Shock Detection technology BeanDevice AX 3DS V BeanDevice Smart Click here to see the Video of the BeanDevice AX 3D Click here to see the video of the BeanDevice HI INC Click here to see the video of the BeanGateway Outdoor version Click here to see the video of the BeanGateway Indoor version Page 11 30 Please consider the environnement before printing this document Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 7 WIRELESS SENSORS FOR BRIDGE MONITORING 7 1 TILT MEASUREMENT The following pictures shows how the Beandevice can be mounted on a bridge In this particular case the mounting was done by using aluminum coil tape and epoxy glue Tig i n N Tilt Measurement on bridge max measurement range 1 5 Please consider the environnement before printing this document Page 12 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 7 1 1 BeanDevice HI INC configuration BeanDevice HI INC configuration for Tilt measurement on a Bridge Recommended Beandevice BeanDevice HI INC 15 version Data acquisition mode used Slow LDCDA Low Duty Cycle Data Acquisition with a duty cycle monitoring of 10 seconds to 1 hour Fast Streaming or Streaming Packet mode 1 Hz to 40 Hz monitoring Max
9. d deletions to this document due to typographical errors inaccurate information or improvements to programs and or equipment at any time and without notice Such changes will nevertheless be incorporated into new editions of this document Copyright Transmittal reproduction dissemination and or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited Offenders will be held liable for payment of damages All rights are reserved Copyright BeanAir Ltd 2010 Please consider the environnement before printing this document Page 4 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 1 TECHNICAL SUPPORT For general contact technical support to report documentation errors and to order manuals contact BeanAir Technical Support Center BTSC at tech support beanair com For detailed information about where you can buy the BeanAir equipment software or for recommendations on accessories and components visit www beanair com To register for product news and announcements or for product questions contact BeanAir s Technical Support Center BTSC Our aim is to make this user manual as helpful as possible Please keep us informed of your comments and suggestions for improvements BeanAir appreciates feedback from the users Please consider the environnem
10. dges The BeanDevice can also be powered by an AC to DC adapter 8 28Volts The power adapter can be used for recharging Lithium Ion battery or to power supply continuously the BeanDevice A M8 3Pins standard plug is used for connecting the power adapter to the BeanDevice M8 3P plug IP67 Power Adapter Only the M8 plug is fully sealed the power adapter is not sealed 10 2 SOLAR PANEL KIT You can use a solar panel kit Y Battery Charge controller Y High rate valve regulated sealed lead acid VRLA these batteries have been developed for long term operation in harsh environments v Solar Panel the size of the solar panel depends on the average consumption of the BeanDevice You can buy a Solar Panel Kit from these providers www tyconpower com htto www solar electric com chco html http www futurlec com Solar shtml Please consider the environnement before printing this document Page 29 30
11. e free reference in numerical computation Scilab is free open source software with a GPL compatible license Thus the Scilab Consortium is involved in the Open Source world in different ways All Scilab libraries are free with accepted and recognized licenses by the FLOSS community Free Open Source Software The license is one of the key criteria for the selection of a library of Scilab z Na Beanair provides for free PPV Peak Particle Velocity and FFT Fast Fourier Transform scripts for vibration measurement the following video shows how Scilab scripts are used with our equipment o here to see cilab Script Video Please consider the environnement before printing this document Page 27 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 10 HOW TO EXTEND THE AUTONOMY OF YOUR BEANDEVICE For further information about the BeanDevice autonomy please read the technical note TN RF 002 Current consumption in active amp sleeping mode on BeanDevice products wireless sensors 10 1 ABOUT THE EXTERNAL POWER SUPPLY Caption Pwr power supply 8 28 V DC Gnd electrical ground 4 ref BINDER Non utilis Please consider the environnement before printing this document Page 28 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bri
12. eeeeeeeeseeeeessgaasseseseaeeeeeeeeeess 8 Al PROONCANOMMNOUCS srcausuceendass MEE 8 d2 Tecnico eM IN T m Rm 9 By AINMVOR THE DOCUMEN F m 10 6 SMARTSENSOR PRODUCTS PRESENTATION ccccccccccsssseeeceeeeeeeeeeeeeeceeeeeeeaeeeeeeeeeeeessuaaseeeeeeeessaaageess 11 7 WIRELESS SENSORS FOR BRIDGE MONITORING ccccccccccceeeeeeeeeeeeeeesessesececeeeeeeeeesessesaaaaeeaeeeeeees 12 s MEN NO UCM ME 12 7 1 1 BeanDevice HI INC configuration sssseeeseeeeesseeseeeen nennen nnne nennen nnne nnn 13 Te VIDEOITAAN cecipisuniitintintivUbUnidN ntm unbecIUAT e bstRUDDMN MUR EIS UT E SUR DURUM RbrU I ORDEN a DIE 14 7 2 1 BeanDevice AX 3D configuration llssssssesssssssssssseeene nennen nennen nnne nnns enar n nnns 15 7 3 Sinking And Crack Detection On Bridge eeesssssssesssssesssseseeenne nennen nennen nennen nnns nnns 16 7 3 1 Advantages of SSD Technology Smart shock Detection ccccccccceeecesseseeeeeeeeeseeeeseeeeeeeeeeeaas 17 7 3 2 BeanDevice AX 3DS configuration sseeessseissssssesesseeeeeeeeenennnn nennen nennen nennen nnn 18 8 WIRELESS SENSOR NETWORK TOPOLOGY sssseeseeeen eene nennen nnnnai nnn nnne sss nn na eris rris nsns aa nnns 19 8 1 Out of the Box WSN With Ethernet Connection eesssseeesssseseeeeneenennne nennen ennem
13. ent before printing this document Page 5 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 2 VISUAL SYMBOLS DEFINITION Caution or Warning Alerts the user with important information about BeanAir wireless sensor networks WSN if this information is not followed the equipment software may fail or malfunction Danger This information MUST be followed if not you may damage the equipment permanently or bodily injury may occur Tip or Information Provides advice and suggestions that may be useful when installing BeanAir Wireless Sensor Networks Please consider the environnement before printing this document Page 6 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 3 ACRONYMS AND ABBREVIATIONS Secure Digital SSD Smart shock detection Wireless sensor Network Please consider the environnement before printing this document Page 7 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 4 RELATED DOCUMENTS In addition to this User manual please consult the application notes amp technical notes mentioned below 4 1 APPLICATION NOTES Nom du document Produits concern s Description AN_RF_007 Beanair_WSN_Deployment All BeanAir p
14. hnology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 7 3 2 BeanDevice AX 3DS configuration BeanDevice AX 3DS configuration for Shock measurement on a Bridge Beandevice technology used BeanDevice AX 3DS Data acquisition mode used SSD Smart Shock Detection measurement mode The Beandevice will wake up if a shock profile is detected Maximum wireless range 300 to 500 meters The user can extend the wireless range by using a high gain and directional antenna on the BeanGateway Number of Beandevice on the 20 to 50 BeanDevice same wireless sensor network Please consider the environnement before printing this document Page 18 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 8 WIRELESS SENSOR NETWORK TOPOLOGY 8 1 OUT OF THE BOX WSN WITH ETHERNET CONNECTION The most basic minimal WSN consists in deploying a local network that can be monitored through a local PC server embedded PC In this case the PC is either directly connected to the BeanGateway in case of a mono gateway architecture or to a switch that is connected to multiple gateways through an Ethernet connexion CB anScape Real Time WSN FOUNDATION Supervision Ethernet connexion IEEE 802 15 4 GeanGateway s g BeanDevice yo Embedded PC Figure 1
15. i nnns 19 8 1 1 Hardware REQUIPCMEING viscciirnccasiinexensdientcnsxtensensusnsgeniaveussadatavtacdetueveaddduzentalendecdddauieesuvueteaihinareneaie 20 8 1 1 Network architecture performances eesssssssssssessseeseee nennen nnne nnne nnns ann nnn nnns 21 8 2 WSN With GSM GPRS Connection and OneSense Webserver cccccceceeeseeeeeeeeeeeaeeseeeeeeeesssaaeaeses 22 8 2 1 Hardware Requirements ccccccssccccssseccccesscecceuseeessasececsaseeecseseeeseaseeessadeeessauseesseseeessaueeesseneees 23 8 2 1 Network architecture performances eessssssssssssssseseee nennen nennen nnn nnn nannten nnns 23 8 3 WSN with 3G connection seeeeeeeeisssssseeeeeee nennen nnne nnnnnnnin nnn nnns a aaea a sisi ai aa 24 8 3 1 Hardware REQuireMentt cccccsesccccsseeeeeseeeeecceeeeeeeaeseeesseeeeessseeessaeeesseeeeessueeeessaeeeesseneeesaageees 24 8 3 2 Network architecture performances eesssssssssssssssseseee nennen nnne nnn nnns nnn nnns nnns 25 8 4 Various Data acquisition Modes Available on Different Platforms eeeeeseeeeseeeeseeeeeeee 26 9 SGGILAB SCHIBPTS usine chee aS Mti Mitto di Ud pi Uode 27 Please consider the environnement before printing this document Page 2 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on bridges 10 HOW TO EXTEND THE AUTONOMY OF YOUR BEANDEVICEG
16. imum inclination range Maximum wireless range 300 to 500 meters he user can extend the wireless range by using a high gain and directionnal antenna on the BeanGatewayQ monitoring monitoring Number of axis 1or2 Number of Beandevice on the f Slow 45 maximum same wireless sensor network monitoring Fast Please refer to the Technical Note TN_RF_003 Wireless monitoring Network Capacity Please consider the environnement before printing this document Page 13 30 BeanAir 7 2 VIBRATION ANALYSIS Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 7 2 1 BeanDevice AX 3D configuration BeanDevice AX 3D configuration for Vibration measurement on a Bridge Beandevice technology used BeanDevice AX 3D 2g 10g 13g Data acquisition mode used Streaming Packet mode with a sampling rate of 200 Sps samples per second maximum Maximum Vibration range Maximum wireless range 300 to 500 meters The user can extend the wireless range by using a high gain and directionnal antenna on the BeanGateway Battery Autonomy Fast 18 hours maximum monitoring The user can extend the battery autonomy by adding an external battery and a solar panel Number of Beandevice on the 4 if the sampling rate is 200 Sps on each BeanDevice 3 axis activated same wireless sensor network Please refer to the Technical Note TN R
17. isition mode Please consider the environnement before printing this document Page 23 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 8 3 WSN WITH 3G CONNECTION 8 3 1 Hardware Requirements The 3G network is well suited for high rate data transmission Streaming amp Streaming Packet mode The minimum requirements for implementing a 3G connection are TECHNOLOGY e HSUPA with fallback to HSDPA UMTS EDGE Bands Tri Band UMTS HSDPA HSUPA 850 1900 2100 MHz Or Quad Band UMTS HSDPA HSUPA 850 900 1900 2100 MHz 3G Gateway HOST INTERFACES Ethernet 10 100 BASE T RJ 45 APPLICATION INTERFACES TCP IP UDP IP DHCP HTTP SNMP SMTP SMS MSCI ADSL Modem ADSL Modem with NAT Configuration software BeanGateway Ethernet version of the BeanGateway For further information about the 3G Network configuration please read the technical note TN_RF 009 BeanGateway management on a LAN infrastructure Page 24 30 Please consider the environnement before printing this document Rethinking sensing technology Document version 1 2 f ea r Structural Health monitoring on Document Type Technical Note bridges 3G UMTS Networks Operators Internet End user Office _ SIERRA he eL a d QUOD Ethernet 3G Router connexion CB2anscape
18. pair or dangerous for structural integrity An alternative to the periodic visual inspection can be continuously operating instrumented structural health monitoring SHM systems The recent developments in sensor technology especially when wireless technology is considered have opened up new gates in terms of health monitoring and preemptive fault detection Beanair s wireless sensor technology offers great reliability versatility maintainability and easy to deploy and configure technology The aim of this document is to overview Beanair products suited for bridge monitoring their deployment as well as their capacity and limits by overviewing various data acquisition modes available on each BeanDevice Please consider the environnement before printing this document Page 10 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 6 SMARTSENSOR PRODUCTS PRESENTATION The Smartsensor product line is declined as the following v BeanDevice AX 3D 3 axis wireless accelerometer for vibration measurement v BeanDevice AX 3DS 3 axis wireless accelerometer for shock measurement v BeanDevice HI INC 1 or 2 axis wireless inclinometer for tilt measurement NL 90 Lom eH aD Wireless Inclinometer 10g N BeanDevice HI INC t 13g Wireless Accelerometer BeanDevice AX 3D 2 4 8g e 6 12 24 g Wireless Accelerometer with S
19. roducts AN RF 006 How to extend your wireless All BeanAir products range AN RF 005 Ver 1 0 BeanGateway amp Data BeanGateway Terminal Equipment Interface AN RF 004 V1 0 1 Coexistence And All BeanAir products Interferences 2 4GHz AN_RF_003 V1 1 IEEE 802 15 4 2 4 GHz Vs 868 All BeanAir products MHz English Please consider the environnement before printing this document Wireless sensor networks deployment guidelines A guideline very useful for extending your wireless range DTE interface Architecture on the BeanGateway Coexistence amp interferences of different RF technologies in the 2 4 GHz frequencies band Comparison between 868 MHz frequency band and a 2 4 GHz frequency band Page 8 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on bridges Document Type Technical Note 4 2 TECHNICAL NOTES Document name Concerned products Description TN RF 010 BeanDevice Power Management TN RF 009 BeanGateway management on LAN infrastructure TN RF 008 Data acquisition modes available on the BeanDevice TN RF 007 BeanDevice DataLogger User Guide TN RF 006 BeanDevice wireless network association TN RF 005 Pulse counter amp binary data acquisition on the BeanDevice SUN BN TN RF 004 Ambient Light sensor technical specifications RF TN 003 Wireless Network capacity RF TN 002 Cu
20. rrent consumption in active amp sleeping mode RF TN 001 Wireless range benchmarking Please consider the environnement before printing this document All the BeanDevice BeanGateway All the BeanDevice All the BeanDevice All the BeanDevice BeanDevice SUN BN BeanDevice SUN XX Ecosensor All the products BeanDevice BeanDevice This technical note describes the sleeping amp active power mode on the BeanDevice BeanGateway LAN infrastructure integration on a Data acquisition modes available on the BeanDevice This document presents the DataLogger feature on the BeanDevice Description of the BeanDevice network association This document presents Pulse counter ex energy metering application and binary data acquisition features on the BeanDevice SUN BN Technical description of the Ambient light sensor available on the BeanDevice SUN XX products Network capacity characterization of Beanair Wireless Sensor Networks Current consumption estimation of the BeanDevice in active and sleeping mode Wireless range benchmarking of the BeanDevice Page 9 30 Rethinking sensing technology Document version 1 2 Structural Health monitoring on Document Type Technical Note bridges 5 AIM OF THE DOCUMENT Bridges which are the key components of any transportation system have expected life cycles as long as 50 or 100 years it is however not
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