1、4cEngineering SolastaHouse|8InvernessCampus|Inverness|IV25NA Tel:+44(0)1463227565|info4cengineering.co.uk|www.4cengineering.co.uk WEARABLEPROXIMITYSENSORFORMANAGEMENTOF SOCIALDISTANCING DocumentTitle: WearableProximitySensorforManagementofSocialDistancing DocumentNo: WJM1137001235 Project: 1137Weara

2、bleProximitySensor Client: Wright,Johnston however,thereisafurtherchallengeinhowtoensuresafetyuponreturningtotheworkplace. Maintainingasafedistancebetweenpeopleisaveryeffectivewaytoreducethepotentialfor transmissionofthecoronavirus123. To maintain this distance constantly may become arduous for empl

3、oyees and monitoring the distancingdynamicwillprovechallengingforteamsandmanagers.PersonalProtectiveEquipment (PPE)hasbeenthemainfocusforessentialjobssuchashealthcare. Withtherisingneedforreturntonormalcyacrosstheentirerangeofsectors,newchallengesare arisingforhowtomaintainasafedistanceincaseswhereP

4、PEbecomesalessattractiveoption. RoddyCormackatWright,Johnston concept development; and technology developmentplanninginordertoinvestigateasolutionthatwouldencouragepositivebehaviours andallowfornonpunitivemonitoringandmitigationofproximitybreachesbetweenindividualsin theworkplace. Theprojectprogress

5、edthroughthelandscapingphaseswiththeassessmentofexistingsolutionsand technologies,intotheconceptdevelopmentphasewhereanindepthassessmentofsuitablesensor technologies,theprosandconsofeachandhowtheywouldfunctionasaproximitysensorona constructionsite. SIGConsolidationReportv1Page6of10 2020HighlandDesig

6、nEngineeringLtdt/a4cEngineeringConfidential19/06/2020 Thetechnologydevelopmentstagewasopenedbyashortlistofthetopsensortechnologies,how theseoptionsdifferfromthecurrentsolutionsonthemarketandthenseekingadvicefromsensor expertsattheUniversityofStrathclyde.Atthisstage,areviewoftheiConProgrammewasconduc

7、ted to explore opportunities for collaboration, and correspondence with the Construction Scotland InnovationCentre(CSIC)wasinitiated. 2 Landscaping Thelandscapingsectionencapsulatestheopeningoftheprojectwiththeprojectkickoff,technology specificationalongwithaconstructionindustryconsultationandarevie

8、wofexistingsolutionsand sensortechnologiesacrossanarrayofsectors.Theaimofthislandscapingwastofurtherunderstand theneedsoftheconstructionindustry,gatherbroadinformationaboutasmanysolutionsthatwere alreadyoutonthemarketorsoontobereleased,andtakeheedfromthisastohowtogeneratea uniqueproductthatwassuitab

9、lefortheconstructionindustry. 2.1 ProjectKickOff The project began with an introductory meeting between Roddy Cormack at WJM LLP and 4c Engineering to outline the structure and intentions of the project for all parties and allow for discussionaroundthetechnology,theworkingenvironmentandplanfortheind

10、ustryconsultation organisedbyRoddy.TheKickOffpresentation4containsvariouspointsforeachdeliverabletobe consideredduringthecorrespondingphaseoftheprojectaswellasaprovisionalprojectschedule. 2.2 ConstructionIndustryConsultationandTechnologyRequirements Theconstructionindustryconsultationwasconductedwit

11、htheaimoffurthermarketresearchand gaininggreaterinsightintotheneedforsuchadeviceaswellaspotentialchallengesandrequirements fortheproximitysensor. Thegroupconsistedofaselectionofindustryrepresentativesfromvarioussizesoforganisationsin ordertoprovideawidescopeofviewsonhowaproximitysensorcouldbeusedons

12、iteandwhere potential pinch points might lie. Ten questions were created and put to all of the industry representatives. Notesofthediscussionguidedbythesequestionscanbefoundinref56.Theinformationgleaned fromtheroundtablewasinterpretedintotechnologyrequirements,furtherdevelopedinref7,and brieflysumma

13、risedbelow: Deviceistobeusednonpunitively. Mustcollectinformationaboutwhoisonsite,ifthereisa2mproximitybreach,whocausedthe encroachmentandwhereonsiteitoccurredi.e.contacttracing. Devicemustbesmall,roughlyphoneorcomputermousesized. Helmetandwristattachmentswerepopularwearableoptions. Roughpricingexpe

14、ctedtobearound100oronarentalbasis. SIGConsolidationReportv1Page7of10 2020HighlandDesignEngineeringLtdt/a4cEngineeringConfidential19/06/2020 2.3 ExistingSolutionsandSensorTechnology Anexistingsolutionspresentation8wascreatedasalivedocumenttorecordinformationabout currentsolutionsoutonthemarket.Theinf

15、ormationincluded: Producttypee.g.governmentapporanindustrywristbandwearable. Wirelesssensingtechnologyinuse. Detectionrangeofthetechnology. Typesofdataextractedfromthedevice. Wherethedataisstored. Costofproduct. Productdrawbacksandfurthernotes. WhethertheproductcanContactTraceoralerttosocialdistanci

16、ngbreach. Ingeneral,otherthanthecontacttracingapps,theexistingsolutionswereadaptedfromprevious solution such as Blackline Safetys G7 Safety Wearable 9 which is a tracking device worn by all employeesonaworksitewithgasdetectioncapabilitiesandSOSincidentbuttons.Thesedevices claimtoprovidesafetyfromCov

17、id19transmissionincidents;however,there wasnt complete coverageineitherthecontacttracingareaortheproximitysensingandalertingarea. Therearedevicesduetobereleasedthatarepurposebuiltfordistancingmanagementandcontact tracingsuchasBumpbyTharsus10.Thissystemencompassesawearablelanyardwithsoftware and hard

18、ware infrastructure that can be set up around the workplace. The Bump uses radio frequencytechnology,likelyUltraWideband(UWB),todetecttheproximityoftwoindividuals.The deviceusessoundandvisualresponsestoalertthewearersofanyencroachments. Paralleltotheresearchofexistingsolutions,astudyintothevariousse

19、nsortechnologiesandhow theycouldbeappliedasproximitysensorswascarriedout.ASensorTechnologiesMatrix11was created. In Sheet 2. Sensor Descriptions, the aim is to outline the features of the sensors with relevancetotheirpotentialuseasaproximitysensingdeviceforaconstructionenvironment. Featuressuchasbat

20、terylife,detectionrangeandthroughwalltransmissionhavebeenincludedas well as potential issues relating to usage on a construction site. This matrix helped to form an understandingofthecapabilitiesandconstraintsthatwouldbevitaltotheselectioncriteriaofthe shortlistingexerciseintheconceptdevelopmentstag

21、eoftheproject. 3 ConceptDevelopment Toassistincarryingoutthesensorprofilingforgeneratingashortlistofsensors,amindmapwas drawn out. The Requirements Mind Map 12 was conceived with 5 headings in mind; who?;what?;where?;how?;why?. Beneath these headings, the subtopics and further branches examinebothth

22、epositiveandnegativeimplicationsofdesignspecifications.Forexample,“whatdata doIneedtorecord?”andsubsequently“whocanseethedata?”,“whocannotseethedata?”.This selectionofquestionsaidedtheassessmentofeachofthesensorstechnologiesinordertonarrow themdowntoashortlist. Furthertothisascoringsystemwasappliedt

23、othecriteriainSheet2.SensorDescriptionsofthe SensorTechnologyMatrix.Ascoreof1beingverygoodand3beingnotsuitable,thesetotalscores SIGConsolidationReportv1Page8of10 2020HighlandDesignEngineeringLtdt/a4cEngineeringConfidential19/06/2020 aremarkedinbracketsincolumnBSensorandarealsoillustratedusingabasict

24、rafficlightcolour scheme,greenbeingverygood,redbeingnotsuitable. Theshortlistcomprisesof: UltraWideband(UWB) ActiveInfrared PassiveInfrared Ultrasonic Oncetheshortlistwasselected,amoreindepthinsightintoeachofthesensorswaspresentedin Sheet3.ShortlistedSensorsoftheSensorTechnologyMatrix.Thedetailsofwh

25、ichfellunder: HowWeWouldUseItasaSocialDistancingSensor Directionality MainPitfalls FurtherConsiderations AtthisstagethefavourablesensoroptionswereUWBandUltrasonics. UWBrequiresgoodsoftwareandhardwareinfrastructureinplaceonsiteandhasbeencommonin someofthecurrentsolutionsonthemarketorpendingforrelease

26、tothemarket.Itisapopularchoice foritsvalueformoneyandsuperiorresistancetointerference. Ultrasonicalsoshowedpotentialasitssignalscanbecodedtoindividualisethem,similartoUWB signals,andithadnotbeenusedinanyoftheexistingsolutions.Therefore,anultrasonicsocial distancingsolutioncouldhavebeenclassedasnovel

27、,addingfurthervaluetothedevice.Theideaof thebeltandbracesapproachremained,withtheoptiontocombineamoreactivesolutionwitha passivesensorsuchaspassiveinfraredfordetectinghotspotsinhighfootfallareasratherthan collectingdatafromindividuals.Inordertogainamoreimmediateperspectiveofthemostviable solutionsfo

28、rmtheshortlist,itwasdecidedthatfurtheradvicewouldbesoughtfromasensorexpert. 4 TechnologyDevelopmentandPlanning 4.1 ContactwithSensorExperts Contact was made with two of Strathclyde Universitys sensor experts from the department of Electronic and Electrical Engineering. They commented that the work c

29、ompleted thus far was comprehensivebutstronglysuggestedthatradarshouldbeincludedwithinthescopeofreview. ThenotesfromthismeetingcanbefoundinSensorExpertConsultationNotes13.Radarisa favourable option in their opinion due to its ability to distinguish humans from other moving surroundings. This was an

30、interesting input as, rather than a wearable device, the proximity monitoringwouldbemanagedfromanetworkofstaticnodesplacedstrategicallyaroundthesite. ThetwoStrathclyderepresentativeswerealsoscepticalofthesolutionscurrentlybeingreleasedto market,suggestingthatrealisticallyanovelinnovationprojectsucha

31、sthiswouldrequire18months ofwork,withadevelopmentcostinthe1millionorderofmagnitude.Furthertothis,theyadvised SIGConsolidationReportv1Page9of10 2020HighlandDesignEngineeringLtdt/a4cEngineeringConfidential19/06/2020 thattechnologysuchasultrasonicorinfraredwouldnotbesuitableonaconstructionsite.Thiswas

32、duetothelikelihoodofinterferencefromtheexternalenvironmentandmachineryendemicona constructionsite.However,theydidnotconveythatUWB,thecommonchoiceformanyofthecurrent solutions,wasanunfeasibleoption.TheysuggestedcontactingaparticularnovelSensorTechnology CompanywiththischallengeastheStrathclydereprese

33、ntativesbelievedthattheyhadaradarrelated productthatcouldhelptofacilitatethisresearchexercise. 4.2 NovelSensorTechnologyCompanyCorrespondence DuringcorrespondencewithasensortechnologycompanyattheendofMay,itwasstatedthattheir currentsystemdoesnotuseradar,however,theyarelookingintoaresearchprojectinvo

34、lvingthis technology.Thesmartsensorsystemisnotsuitablefortheconstructionenvironment,accordingto thecompanyrepresentative,andtheirmaintargetishighvalueofficesandhighvaluemanufacturing. Withfurthercorrespondence,theycouldnotdiscloseanymoreinformationontheresearchtheywere completing.However,aniConInnov

35、ationChallengeposton10thJune2020bythecompanyscoCEO, wouldsuggestthattheyplantointegratetheirproductintotheconstructionindustry. 4.3 InternetofThingsWebinarandiConPlatform TheInternetofThings(IoT)wouldbeanimportantaspectofthenetworkofproximitymonitoring devices.AttendanceatanInternetofThings(IoT)Webi

36、naron3rdJune2020hostedbyPaulWinstanley fromCENSISandJohnMackenzieatHIEwasveryinformative.ThenotesofwhichcanbefoundinIoT WebinarNotes14.TheseincludenotesontheofferbySueKeeatBostonNetworksandIoTScotland providing usage oftheir LoRaWan Networkfreeof chargefor Covid19related project and the suggestionth

37、attheyheldparticularinterestinproximitysensortypeprojects.Theywishtoestablish theirnetworkacrossawiderfield,sousingtheirsystemwouldhaveapositiveimpactontheir collectiveLoRaWannetwork.Aswellasnetworkpossibilities,JimCockramatCENSISwaspromoting theIoT2GosystemthatdemystifiesandeasilyenablestheuseofIoT

38、inanergonomicformat.The IoT2Goplatformcombinesahubpointforallthesensorconnectionswithaneasytouseinterfacefor monitoringthecollecteddata.Thissystemisappealingasitcanbetrialledonarentalbasisfora periodandthentailoredtotherequirementsofthesystemitisintegratedwith.Theseopportunities wouldprovehelpfuldur

39、ingfurtherdevelopmentofproximitysensortechnology. TheiConplatformwasusedtoaccessanetworkofopportunitiesforcollaborationaimedatthe constructionindustry.Fromareviewofthepostsontheplatform,asseeniniConInnovationPlatform Notes15,severalpotentialcollaborationopportunitieswerehighlighted.Theseincludedsens

40、or expertise,prospectivedevelopmentpartnersandsiteinternetprovisionexpertise.RoddyCormack postedontheOpportunitiesforumonbehalfofWJMLLPand4cEngineeringwiththefollowing challengestatement: “CHALLENGE ProximitySensorProject Wehaveengagedwith4CEngineeringtopreparealandscapinganalysisofthecurrentrangeof

41、 proximitysensorproductsavailableonthemarketthatcouldbeusedtoassistwiththe SIGConsolidationReportv1Page10of10 2020HighlandDesignEngineeringLtdt/a4cEngineeringConfidential19/06/2020 maintenanceof2metredistancingbetweenpersonnelonconstructionsites.Wearewillingto sharethisinformationwithotherstakeholde

42、rswithaviewtoidentifyingtheextenttowhicha newtechnologicalsolutionmayberequiredtomeetthepracticalneedswithintheindustry.” Fromthispost,therewascorrespondencefromCSICwhosharedtheSafeOperatingPractices TechnologyRegisteridentifyingtechnologiesthatareavailabletohelpworksitesoperatesafely underCovid19re

43、strictions.TheCSICrepresentativehighlightedtheConstructionIndustry CoronaVirus(CICV)Forumandthefactthat,otherthantheforumdiscussion,noanalysisofthe availabletechnologieshadbeencompleted.TheyadvisedthattheaimoftheiConplatformand theforumweretobringtogetherchallengeholdersandsolutionprovidersforaserie

44、sofpanel discussions.Itwassuggestedthat4cEngineeringtakepartinthepaneldiscussionsasasolution provider,tocommunicatethefindingsoftheprojectandobserveandreviewthosepresented duringthepanelevents. 5 ConclusionandFeasibleSolution The necessity to provide an effective solution to the management of social

45、 distancing in the constructionsectorisparamountforthesafereturntoworkofthoseintheindustry.Fromthisstudy ithasbeenestablishedthatthesolutionmustbesmall,robustandnonpunitive.Thelikelymeansof sensingaproximitybreachwillbeusinganetworkofwearableUWBbeaconsorradarinfrastructure combinedwithdatacollection

46、ofwho,whereandwhenabreachoccurredonsite.Asuitablesystem wouldalertemployeesofanencroachmentthroughvisual,hapticandaudioresponsesandthedata gatheredwouldbeusedinordertoreduceormitigaterepeatinstances. Currently,therearesomeviablesolutionsonthemarketorpendingentrytothemarket,themost promisingofwhichap

47、pearstobeBumpTMbyTharsusandEstimotesWorkplaceSafetyWearables. However,theyfacescepticismfromindustryexpertsatthespeedatwhichthesenovelsolutionshave beenbroughttocommercialisation,expectingthatinrealityitwouldtakeamuchlargerandlonger projecttocreateaproductofthecorrectlevelofsophistication.Trialrunso

48、nconstructionsiteswill benecessarytofullysubstantiatetheirplaceonaworksiteformanagingsocialdistancing. Acknowledgements ManythankstoAlisonMuirhead(MorrisonConstructionScotland),BrianInnes(IBIJoinersLtd), DougalMurray(WGCScotlandLtd)andGraemeClark(CDMMUKLtd)fortheirinputduringtheQ could lead to tende

49、ncy to blame the other guy 3. 3.If there was a sensor device to assist with such management, what would it need to do? WJM incentive to continuously wear a removable device C not get in way of hand washing -Sign in list needs to be accessible for emergency procedures B awareness of device from others (flashing helmet beacon) -Refusal to wear a tracking system big brother issue. -Maybe body temperature gauge. A sign in/ sign out activate when on-site, electronic signature that can only be used by individual fingerprint (eliminates misuse of