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Cloud-basedDataLogging,MonitoringandAnalysis
Hans-PetterHalvorsen,M.Sc.
MeasurementSystem
Industry4.0,InternetofThings(IoT),CloudComputing
UsingWindowsAzure,SQLServer,LabVIEWandVisualStudio/C#
SystemOverview
DatabaseData
LoggingData
Monitoring
Sensors
PC,Arduino, RaspberryPi,…
PC,Tablet,Smartphone, …
Server
SystemOverviewDataLogging DataMonitoring
DAQ
Database
Trigger(s)
CalculateAverage,Max,MinTemperatureDataConvertTemperaturetoFahrenheit
StoredProcedure(s)
Viewsand/orStoredProcedure(s)
DAQmxDriver
DataAnalysis
CloudHostingandServices
Hans-PetterHalvorsen,M.Sc.
TheCloud
CloudHosting
TheyrentCloudbasedserviceslikeVirtualMachines(ComputerswithOSrunning intheCloud),WebServer,DatabaseSystemstoCustomersbasedonMonthlyFees
WindowsAzure
Hans-PetterHalvorsen,M.Sc.
WindowsAzure
SQLDatabases
VirtualMachines
CloudServices App
Services
Storage
“WindowsrunningintheCloud”
CreateSQLServerDatabaseinWindowsAzure
WindowsAzureDatabase
SystemOverview
DataLogging DataMonitoring
DAQ
DAQmxDriver
TheCloud
DataAnalysis Trigger(s)
SQLServer
Hans-PetterHalvorsen,M.Sc.
DatabaseImplementationandStructuredQueryLanguage(SQL)
WindowsAzureDatabase
Database
ConnecttoWindowsAzureDatabasefromLocalComputer
DataloggingusingLabVIEW
Hans-PetterHalvorsen,M.Sc.
DataloggingusingLabVIEW
MicrosoftSQLServerDatabase
TC-01Thermocouple
DAQ
Triggers
CalculateAverage,Max,MinTemperatureData
ConvertTemperaturetoCelsius/Fahrenheit
StoredProcedure(s)andTriggersinSQLServer
Data
TheCloud
LabVIEWHMIExample
TemperatureData:30
Exit
0
DataloggingApp
℃
TheTemperatureDatafromtheTC-01DAQdeviceshouldbestoredintheDatabase.
Chart
Chart
Button
Time
SensorName MeasurementValue
DataMonitoringusingVisualStudio/C#
Hans-PetterHalvorsen,M.Sc.
DataMonitoringusingVisualStudio/C#
MicrosoftSQLServerDatabase Data
TheCloud
VisualStudioHMIExample
Date&Time Value[C] Value[F]2016.03.2214:45 22 71.6
... ... ...
... ... ...
... ... ...
TemperatureData:
0
30
DataMonitoring App
Average:
Min:
Max:
22
10
26
℃
℃
℃
YoushouldgettheDatafromtheDatabase
℃
TextBoxesLabels
DataGridView
Chart
TypicallyyougetDatafromtheDatabaseusingViewsand/orStoredProcedures
Time
WebServices
Hans-PetterHalvorsen,M.Sc.
Problem
ClientsDatabase
HowtoShareDatabetweenDevicesinaNetwork?
DirectConnectionbetweentheDatabaseandtheClientsthatneedtheDataisnormallynotpossible,duetosecurity,compatibilityissues,etc.(Firewalls,HackerAttacks,etc.)DirectConnectioninaLocalNetwork(behindtheFirewall)isnormallyOK– butnotovertheInternet!!
Solution:WebService
WebServiceInternet
HTTPClients
WebServicesusesstandardWebProtocolslikeHTTP,etc.HTTPissupportedbyallWebBrowser,ServersandmanyProgrammingLanguages
Database
NoProblemswithFirewalls
IfyouhaveaccesstotheWeb,youwillhaveaccesstoyourData
WebServices• AWebserviceisamethodofcommunicationsbetweentwo
devicesovertheWorldWideWeb.• WebAPI• StandarddefinedbyW3C• Cross-platform• WebServicescanbeimplementedandusedinmost
ProgrammingLanguages(C#/ASP.NET,PHP,LabVIEW,Objective-C,Java,...)
• UsesstandardWebTechnologyandWebProtocols– HTTP,REST,SOAP,XML,WSDL,JSON,...
WebServiceArchitectureExample
http://blogs.msdn.com/b/martinkearn/archive/2015/01/05/introduction-to-rest-and-net-web-api.aspx
EachappusesthesameAPItoget,updateandmanipulatedata.Allappshavefeatureparityandwhenyouneedtomakeachangeyoujustmakeitinoneplaceinlinewiththe‘Don’tRepeatYourself’(DRY)principleofsoftwaredevelopment.TheappsthemselvesthenbecomerelativelylightweightUIlayers.
WebServiceAPI
Server(s)Clients
SystemOverview
DataLogging DataMonitoring
DAQ
Database
DAQmxDriverWebService
BusinessLogic
DataLogic
TheCloud
WebServicesrunninginWindowsAzure
InWindowsAzureyoucanDeploy• WebSites• WebServicesetc.=>AppServices
CreateAppServicefromAzurePortal
Hans-PetterHalvorsen,M.Sc.
UniversityCollegeofSoutheastNorwaywww.usn.no
E-mail:[email protected]:http://home.hit.no/~hansha/
