future freight flows: today & tomorrow - mit...
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MIT Center for Transportation & Logistics ctl.mit.edu
FutureFreightFlows:Today&Tomorrow
Director,MITFreightLab15June2017
MIT Center for Transportation & Logistics
MITFreightLabFinding better ways to design, procure, manage, and assessfreight transportation networks across all modes and regions.
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MIT Center for Transportation & Logistics
FreightLab – PartialResearchProjectList• OptimalTransportationProcurement• GlobalOceanTransportReliability• TransportationPortfolioDesign&Management• FreightTransportationProductivity• CarrierFuelBurden• SameDayFleetLoadAcceptance• SmallCarrierProfitabilityStrategies• DirecttoStoreDeliveryStrategies• TheLivingPlan– Robustnessvs.Flexibility• SupplyChainComplexity• DisruptionsofDominantDistributionDesign
UnderlyingQuestion...Howtodealwithvariability&uncertainty?
MIT Center for Transportation & Logistics
Planning(Prevention)versusResponding• MITCTLGlobalRiskSurvey
n 1,500responsesfrom70countriesn Ratingfrom0(100%Prevention)to4(100%Response)
• Averageoverallwas1.41n 54%Plannersn 16%Respondersn 30%OntheFence
• DemographicDriversn Gendern Geographyn JobFunction
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WomenareRespondersMenarePlanners(1.60vs.1.37)
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Planner Responder
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Geography– Ofbirth,notwork!
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JobRoleorFunction
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TheLivingPlan:Robustvs.FlexiblePlanning
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IsBenFranklinstillcorrect?“An ounce of
prevention is worth a pound of cure”
Poor Richard’s Almanac
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Whatistheproblem?OverallResearchQuestions
1. Howshouldafirmbestselect,onastrategicbasis,whattypesofcontractualrelationshiptouseforwhichsegmentsofitsfreighttransportationnetwork?
2. Howshouldthisdecisionfitintothegeneraltransportationprocurementprocess?
3. Howcanwebalancerobustnesswithflexibility?
ResearchApproachn PartneredwithWal-Martn Extendedresearchteam(Dr.FranciscoJauffred co-PI)n Developedandimplementedstochasticoptimizationmodeln IntegratedinWMprocurementprocess
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CurrentTransportationPractice• ThereisacontinuumofrelationshipsforTLbasedon:
n OwnershipofAssetsversusControlofAssetsn Responsibilityforutilizationn On-goingcommitment/responsibilitiesn SharedRisk/Reward– Flexiblecontracts
PrivateFleet
SpotMarket
DedicatedFleet
CoreCarriers
AlternateCarriers
Use for most reliable and steady flows
Use for random & distressed traffic
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0%10%20%30%40%50%60%70%80%90%100%
0 1 2 3 4 5 6 7 8 9 10
Loads Per Week
Pro
bab
ility
Prob Cumul
0%10%20%30%40%50%60%70%80%90%100%
5 7 9 11 13 15 17 19 21 23Loads Per Week
Pro
babi
lity
Prob Cumul
Howmuchvolumetoassigntothefleet?
Lane: DCP -> S93304 ~N(14.6, 2)
The“BufferVolume” capturesourconfidencelevel.Itcanbepositiveornegative:>0indicateswepreferexcessfleetcapacityoverbeingshort(ShortSensitive)<0indicatesweprefershortfleetcapacityoverhavingexcess(ExcessSensitive)=0indicatesweareindifferenttohavingexcessorshortfleetcapacity(RiskNeutral)
AssignedFleetVolume(AFV)perWeek=AvgVol +(BufferVolume)
Continuous Lane Intermittent Lane
ExcessSensitive
ShortSensitive
Risk Neutral Lane: V93252 -> DCP
~P(3.6)
ExcessSensitive
ShortSensitive
Risk Neutral
How do we determine the acceptable risk to calculate the optimal “Buffer”?
MIT Center for Transportation & Logistics
AllToursGenerated“Optimally” EachWeek
0%
20%
40%
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100%
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0 1 2 3 4 5 10 15 20 25 30 35 40 45 50 52
Cumulative%ageofOccurrence
Freq
uency
No.ofweeks
Histogram&CDFofAllToursinCompleteFlexibilityOperationalPlan
Frequency Cumulative%Consistent Tours!
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AnnualPlannedToursthatAppearinWeekly
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Cumulative%ageofOccurrence
Freq
uency
No.ofWeeks
Histogram&CDFofStochasticPlanTours
Frequency Cumulative%
Greater Percentage of Consistent Tours!!
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Comparing“Plan” versus“Operational” Tours
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No.ofTou
rs
OperationalPlanSimulationWeek
Break-downoftheNo.ofweeklygeneratedtoursthatconsistofStochasticPlanTours
No.ofToursinFullFlexibilityOperationalPlan No.ofToursfromStochasticPlan
“Ad-hoc” tours generated, that were not part of the Annual Plan (29%)
No. of tours generated, that were part of the Annual Plan (71%)
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USTRANSCOMProject• Explore,develop,andevaluatealgorithmictechniques,
methodologies,andapproachestobettersolvethetacticalaircraftplanningandschedulingproblemforUSTRANSCOM–especiallyconsideringuncertaintyandvariabilityinmissions.
• Sub-Objectives1. Formulateandcreatecodeprototypesofcandidateresilientoptimization
models2. Examinethetrade-offbetweenrobustplanningandflexibilityinresponse3. Createasimulationtestbedtoenablehands-ontestingandevaluationof
differentplanningmodels,operationalpolicies,andotherfactors
MIT Center for Transportation & Logistics
Simulation ModuleNetwork
Resources
Requirements
‘Optimal’PlanParameters
ActualOutcome
UNCERTAINTY MODULE
PLANNING MODULE Options:• Heuristic Rules • Deterministic Optimization• Stochastic Optimization• Robust Optimization
UNCERTAINTY MODULE Options:
• Arrival of new requirements• Change to old requirements• Aircraft delays
OPERATIONAL LOGIC Options:
• Buy 3rd party capacity• Cargo re-routing allowed• Aircraft re-routing allowed• Cargo & Aircraft re-routing
allowed
PLANNING MODULE
OPERATIONAL LOGIC MODULE
SCENARIO ANALYSIS SCENARIO ANALYSIS • Lane capacity comparisons
• Total system cost• Comparative statistics . . .
etc.
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SimulationTestBedOverview
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ResilienceTradeoff
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TotalSystemCost
LevelofResilience(robustness&flexibility)
CostofthePlan CostofDisruption Plan+Disruption
Deterministic-Optimal Solution – potentially fragile in face of any change
Overly Redundant Solution – excess robustness or padding
Sweet Spot
Resilient Solution – proper balance of robustness & flexibility
No Resilience
HighResilience
MIT Center for Transportation & Logistics
Synchromodal Flow
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SynchronizingTheSupplyChain• OverallResearchQuestions
1. HowcanweidentifySKUsthatcanbemanufactured,transported,anddistributedinstablequantitiesoveranextendedperiodoftime?
2. Wheredothesavingscomefromforthissynchronizedflow?3. Howcanwemaintain/updatethissynchromodal plangoingforward?
• ResearchApproach1. Workedwithlargeconsumerpackagedgood(CPG)manufacturer2. ThesisbyPriya Andleigh andJeffreyBullock,supervisedbyDr.AhmadHemmati3. DevelopedmodelforidentifyingcandidateSKUsandquantifyingthebenefits.
MIT Center for Transportation & Logistics
ProjectObjectivePlant
Warehouse
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ProjectObjective
Howmuch?
WhichSKUs?
On-Demand
Fixed Volume
$ per load
PlantWarehouse
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SteadyFlowTrade-offs
5 7 9 11 13 15
Costs/Savings($)
SteadyFlow(#ofpallets/week)
TransportationSavings
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SteadyFlowTrade-offs
5 7 9 11 13 15
Costs/Savings($)
SteadyFlow(#ofpallets/week)
TransportationSavings
Cross-DockSavings
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SteadyFlowTrade-offs
5 7 9 11 13 15
Costs/Savings($)
SteadyFlow(#ofpallets/week)
TransportationSavings
Cross-DockSavings
ExcessInventoryCost
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5 7 9 11 13 15
Costs/Savings($)
SteadyFlow(#ofpallets/week)
TransportationSavingsCross-DockSavingsExcessInventoryCostTotalSavings
SteadyFlowTrade-offs
Maximum Savings
MIT Center for Transportation & Logistics
Yes
Hweeks
Methodology
HistoricalData
ForecastData
ForecastCheck
DescriptiveStatistics
SteadyFlow
Eligible?
STOP
No
%Forecast>0>X%%weeksshipped>Y%COV<Z%ALL
weeks
Fweeks
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CreateOptimizedSteadyFlow
LevelSKUs• List• Quantity
SteadyFlow
7 9
Maximize{Transportationsavings+Cross-docksavings–
ExcessInvcost}
FixedTruck/IMCapacity
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SKUExample1 DemandCharacteristicsMinimum(pallets/week) 28 %weeksshipped 100%Mean(pallets/week) 37.7 COV 0.13StdDev(pallets/week) 4.80
ModerateVolume,StableSKU
MIT Center for Transportation & Logistics
DemandCharacteristicsMinimum(pallets/week) 28 %weeksshipped 100%Mean(pallets/week) 37.7 COV 0.13StdDev(pallets/week) 4.80
ModerateVolume,StableSKU
SKUExample1
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SKUExample2 DemandCharacteristicsMinimum(pallets/week) 9 %weeksshipped 100%Mean(pallets/week) 27.9 COV 0.60Std Dev(pallets/week) 16.7
HighCOVSKU
MIT Center for Transportation & Logistics
SKUExample2 DemandCharacteristicsMinimum(pallets/week) 9 %weeksshipped 100%Mean(pallets/week) 27.9 COV 0.60Std Dev(pallets/week) 16.7
HighCOVSKU
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DemandCharacteristicsMinimum(pallets/week) 1 %weeksshipped 87%Mean(pallets/week) 2.3 COV 0.52StdDev(pallets/week) 1.20
LowVolume,NotShippedEveryWeek
SKUExample3
MIT Center for Transportation & Logistics
DemandCharacteristicsMinimum(pallets/week) 1 %weeksshipped 87%Mean(pallets/week) 2.3 COV 0.52StdDev(pallets/week) 1.20
LowVolume,NotShippedEveryWeek
SKUExample3
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Implications
SteadyFlow
TransportationSavings
ReplenishmentCycleTimeReduction
BullwhipDampening
Cross-dockProductivity
SafetyStock
Reduction
ContractInnovation
• Identifyingthe“steadymovers”hasbenefitsbeyondjusttransportationstability.
• Allowsformanufacturingandcross-dockingimprovements.
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GlobalOceanTransportationReliability
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Lead/TransitTimeReliability• KeyQuestions:
nWhatisthedefinitionofreliabilitywithinafirm?nWhatarethesourcesofunreliability/variability?nHowcanthecurrentsituationbeimproved?
• TwoDimensionsofReliabilityn Credibilityn ScheduleConsistency
Material adapted from Arntzen, B. (2011) “Global Ocean Transportation Project,” Internal MIT Center for Transportation & Logistics (CTL) Report.
MIT Center for Transportation & Logistics
Meanactualtransittime
Contractedtransittime
Estimatedtransittime
45°line
ObservationsfromPractice
Betterthancontract
Worsethancontract
Contract reliability in procurement and operations do not always match
Material adapted from Caplice, C and Kalkanci, B. (2011) “Managing Global Supply Chains: Building end-to-end Reliability,” Internal MIT Center for Transportation & Logistics (CTL) Report.
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Whileaccurateestimatesoftheport-to-porttransittimesexist,thereisonlylimitedinformationonportdwelltimes.
Origin port dwell Destination port dwellPort-to-port transit time
Contract reliability differs dramatically across different route segments
ObservationsfromPractice
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Distributions are not always symmetric or uni-modal.ObservationsfromPractice
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WhenshouldyourERPconsidervariability?
IncorporateWorseoffbyignoringlead-timevariability
IgnoreBetteroffbyignoringlead-timevariabilityCo
efficientofV
ariatio
n(std
dev/med
ianlead-tim
e)
Criticalratio
~15%
~80%
~5%
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HandlingToday’sVariability• Useportfoliooftransportationsolutions
n IdentifybestuseofRobust&FlexibleoptionsnDetermineoptimalallocationacrossthenetwork
• Segmenttheproductbyvariabilityn IdentifycandidateSKUsforsynchromodal flown Benefitsextendbeyondjusttransportationsavings
• Ignoreitn Identifywhenitisworthwhiletoinvestornot
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ShiftingtoTomorrowVariabilitybecomesUncertainty
MIT Center for Transportation & Logistics
FreightTransportationPlanningishard.• Hardforshippers,• Harderforcarriers,• Hardestforgovernmentplanners!
n Infrastructureplanningtimeframeisdecadesn Diverseandvocalconstituents(NIMBY,BANANA)n Palletsdon’tvoten Bothmodal andjurisdictional silosn Revenuesourcesaredecreasingdramaticallyn Removedfromthesystemusers
42Recognized by FHWA & NCHRP – thus the NCHRP 20-83 Projects
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NCHRP20-83(1)ProjectObjectives• TwoObjectives:
n “Providedecisionmakers[stateDOTs]withacriticalanalysisofthedrivingforces behindhigh-impacteconomicchangesandbusinesssourcingpatternsthatmayeffecttheUSfreighttransportationsystem [intheyear2030&beyond].”
n “Betterenableinformeddiscussionsofnational,multi-state,state,andregionalfreightpolicyandsysteminvestmentpriorities.
• Details:n NationalAcademies- TransportationResearchBoard(TRB)&National
CooperativeHighwayResearchPrograms(NCHRP)n Firstof7projectsfocusedon“long-rangestrategicissues”n Developanddelivermethodologythrough6workshops
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DifferentMethodsforPlanning
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Time
Plan
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Hor
izon
But what about very long term (10 to 30+ years) planning?
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Longertermplanningisimpactedbyevents
Source:Scenarios:AnExplorer’sGuide,ShellInternational2003.
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PoorForecastingisnot athingofthepast...
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2"
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Jan+06" Jul+06" Jan+07" Jul+07" Jan+08" Jul+08" Jan+09" Jul+09" Jan+10" Jul+10" Jan+11" Jul+11" Jan+12" Jul+12" Jan+13"
On#Highway#Diesel#Fue
l##($/gallon)##
Forecast_Jan2008" Forecast_Jan2009" Forecast_Jan2010" Forecast_Jan2011" Forecast_Apr2011" Actual"
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Stillnotathingofthepast...
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DifferentMethodsforPlanning
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Time
Plan
ning
Hor
izon
Shift focus from prediction to preparation
But what about very long term (10 to 30+ years) planning?
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FutureFreightFlowScenariosWecreated4FFFscenariosforNovember2,2037
• Running6workshopsacrosstheUS• Over300shippers,carriers,andgovernmentplanners• Developmentof“ScenarioPlanningToolkit”forstateDOTs
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TechnologyOpinions
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TechnologyTrends&ImpactHotTopicsHitList
nUberforFreightnDeliveryDronesnAutonomousTrucksnMobileComputingnAdditiveMfg
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Soon≤5years
Later>5years
SmallImpact
LargeImpact
1large-soon
2large-later
3small-soon
4small-later
5none- ever
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DigitalFreightMatching
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Uber forX
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WhynotUber forFreight?
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Over$500Minvestedinthese67startups
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ThelasttimeVCsthoughtfreightwassexy...>200 Transportation Electronic Marketplaces existed in 1999,
but essentially none survived in their original form.
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ThelasttimeVCsthoughtfreightwassexy...
• Source:Boyle,Marc(2000)58
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Most Recent Real Disruption?
50.0$
60.0$
70.0$
80.0$
90.0$
100.0$
110.0$
1980$1982$1984$1986$1988$1990$1992$1994$1996$1998$2000$2002$2004$2006$2008$2010$
IndexofRevenueperMile forUS.TruckinginReal$
Deregulation
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DoestheUber modelfit?• Whatdowedowhenweuber?
1. ContactasinglesourcethroughanApp2. “Realtime”visibilityofnearbyvehicles3. Matchedtooneofmultipleunderlyingproviders4. Paymenthandledoffline,estimatedinadvance5. Pricingvariesbasedonsurging
IsUber justFreightBrokerageforPassengers?
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HowdotheMarketsCompare?PAX FRGT
CompetitiveMarket LocalMonopolies(taxis) HighlyCompetitiveNewCapacity Untapped/Part-Time NoneBusinessType C2C B2BServiceTypes Limited UnlimitedFrequencyofUse Occasional RepetitivePlanningLeadTime 0min 1-3DaysLengthofHaul VeryShort
(~6miles)MuchLonger(500miles+)
LoadingTime ~ 30seconds >1hourAsset/DriverType PersonalVehicle CommercialVehicle
MIT Center for Transportation & Logistics
TransportationPortfolioContinuum• Differentnetworksegmentsrequiredifferentrelationships• Segmentationofnetworkandcarriersbyneeds• Continuumfromone-offtransactionstoownership
n OwnershipofAssetsversusControlofAssetsn Responsibilityforutilizationn On-goingcommitment/responsibilitiesn SharedRisk/Reward– Flexiblecontracts
PrivateFleet
SpotMarket
DedicatedFleet
CoreCarriers
AlternateCarriers
Useformostreliableandsteadyflows
Useforrandom&distressedtraffic
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Proposedvaluetobettermatching• Improvedvehicleutilization
n EstimatesinUS10%-30%emptymilesnDiffersbylengthofhaul&carriersize
• Reducedtransactionalinefficiencies(friction)n Streamlinematching,payment,notification,visibility,etc.nDoesvisibilityofnearbytrucksaddvaluetoashipper?
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MyTake-Aways on“Uber forFreight”• Moststartupsinthisspacehatethename!• Somestartupsdohavehaveimprovedfunctionality...
n Evolutionarymorethanrevolutionary,n Servingtoincreasecustomerexpectations,butn WorthwhilefunctionalityisbeingincorporatedwithinTMSorbrokers.
• Demiseofbrokershasbeengreatlyexaggerated(again)n Middleman’sroleisgrowing,notbeingdiminishedn Promised“twoparty”transactionsarereally“threeparty”n Potentialconsolidationinbrokeragespace– strongeconomiesofscale
• Areaforfit:Localreal-time,on-demanddelivery64
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Begsabiggerquestion...
ContractRate
SpotRate
Transportatio
nRa
te($
/mile)
timeIfspotmarketwastotallyliquidandreliable,woulditleadtotheendofannualcontracts?
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DeliveryDrones
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Trend:DeliveryDrones§ Whatisit?
§ Anunmannedaircraftthatcannavigateautonomously,withoutdirecthumancontrolorisguidedremotely.
§ Initiallyusedinmilitaryoperationsin2000§ Commercialusenowcommoninfilming,disastermanagement,search
&rescue,geographicmapping,precisionagriculture,wildlifemonitoring,etc.
§ Whatisstatustoday?§ DroneDeliveriesHaveAlreadyHappened
§ OnDec.72016,AmazonPrimedeliveredanAmazonFireTVandabagofpopcornbydronetoamannearCambridge,UK.
§ Flirtey and7-Elevendeliveredachickensandwich,donuts,candy,Slurpees andhotcoffeeviadroneinJuly2016inRenoNV.
§ Countrieshavevariedrestrictions
67PhotobyByEduardofamendes (Ownwork)[CCBY-SA4.0(http://creativecommons.org/licenses/by-sa/4.0)],viaWikimediaCommons
§ CommercialDrones§ Marketsize~$550Min
2014andforecastto$1Bin5years
§ Salesgrew>200%last2yearswith>2.5MinuseinUS
December2016ConnectRoboticsdeliveredfoodforanoldmeninthemountainsofPortugal.
MIT Center for Transportation & Logistics
Trend:DeliveryDrones§ DirectImpact:
§ Abletosendsmallloadstoremotelocationsquickly§ Expandsdeliverycapabilitiesusing“openair”withoutusingexistinginfrastructure
§ Essentiallyanewtransportationmodeforveryfastreplenishmentofverysmallshipmentsizeoveraclosedistance.
§ PotentialLongerTermIndirectImpacts§ Amazonwasawardedapatentforan"airbornefulfillmentcenter"whichessentiallyisblimpwithafleetofdronesfordelivery.
§ Willcomplement(butnotreplace)existinglastmiledeliverytechniques– willfindanichewithmostdeliverycompanies
§ Provideultra-fastreplenishmentforhighenditems
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Soon≤5years
Later>5years
SmallImpact
LargeImpact
1large-soon
2large-later
3small-soon
4small-later
5none- ever
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AutonomousTrucks
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Trend:AutonomousTrucks&Vehicles§ Whatisit?
§ Trucksandothervehiclesthatcanoperatewithminimal(orno)humaninteraction.
§ EstablishedLevelsofAutomation§ NoAutomation(Level0)§ Function-SpecificAutomation(Level1)§ Combined-FunctionAutomation(Level2)§ LimitedSelf-DrivingAutomation(Level3)§ FullSelf-DrivingAutomation(Level4)
§ Whatisstatustoday?§ AutonomousDeliveryAlreadyHappened
§ FirstpaidautonomousdeliveryoccurredinColoradoinOctober2016.
§ OttodeliveredfullTLofbeer
§ Majorinvestmentsintechnology§ UberacquiredOttoin2016for$680M§ IntelacquiredMobileyein2017for$15B
70PhotobySteveJurvetson [CCBY2.0(http://creativecommons.org/licenses/by/2.0)],viaWikimediaCommons
§ Wherecanitbeused?§ Linehaul Corridors§ Localdelivery§ Intra-Yard
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Trend:AutonomousTrucks§ DirectImpact:
§ Singledayrangeoftruckscoulddouble(~1000miles)§ Lowerfuelcostsduetolowerspeeds§ Ubiquityoftruckloadiscombinedwithlowcostofintermodal(truck-rail)
§ PotentialLongerTermIndirectImpacts§ Reductioninnumberofdistributioncentersandthusloweroverallinventorylevels
§ Concentratedcorridortrafficwithterminalsforlocaldrivingforlastmile
§ DissolutionofTLcarrierstoindependentdrivingentities§ Largejoblossinlong-haultrucking
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Soon≤5years
Later>5years
SmallImpact
LargeImpact
1large-soon
2large-later
3small-soon
4small-later
5none- ever
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MobileComputing
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Trend:MobileComputing§ Whatisit?
§ Technologythatallowstransmissionofdata,voiceandvideoviaacomputeroranyotherwirelessenableddevicewithouthavingtobeconnectedtoafixedphysicallink.
§ Whatisstatustoday(2016)?§ Mobiledatatraffichasgrown18-foldoverthepast5years§ 8billionmobiledevices(325millionwearabledevices)currentlyinuse§ Averagesmartphoneusagegrew38%in2016withtheMiddleEastandAfricashowing
65%CAGRinmobiledatatrafficgrowth(mostanywhere!)§ Smartphonesareusedasphoneslessthan3%ofthetime§ Onlineshoppingbehaviordiffersbyplatform:laptops&tabletsvs.smartphones
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Trend:MobileComputing
§ DirectImpact:§ Abletoaccessdataandsystemsfromanywhere§ Enablesnewparadigmsofshoppingandthusretailsupplychains(omnichannel)
§ PotentialLongerTermIndirectImpacts§ Transformationofretailshoppingindustryandexperience§ CompleteshifttoCloudcomputingforenterpriseandotherapplications
§ Decentralizeoperationsformanyprocesses
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Later>5years
SmallImpact
LargeImpact
1large-soon
2large-later
3small-soon
4small-later
5none- ever
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Whatothertrendsortechnologies???
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Later>5years
SmallImpact
LargeImpact
1large-soon
2large-later
3small-soon
4small-later
5none- ever
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KeyTake-Aways• HandlingVariabilityToday
nManageacompletetransportationportfolionSegmentoutstableflowthroughsupplychainnUnderstandwhennottobother
• PreparingforUncertaintyforTomorrownFocusonpreparationratherthanpredictionnInvolvelargergrouponscenarioplanning
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Questions, Comments, Suggestions?
“Wilson&Dexter– disruptingthedominantdesigndaily”YankeeGoldenRetrieverRescuedDogs(www.ygrr.org) 78