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TIL/T&P Masterclass by PhD student Erik-Sander Smits about his research project on innovative transport pricing and on life after graduation.

TIL/T&P Masterclass by PhD student Erik-Sander Smits about his research project on innovative transport pricing and on life after graduation.

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    Smits_InnovativeTransportPricing Smits_InnovativeTransportPricing Presentation Transcript

    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Life after graduation Innovative Transport Pricing Erik-Sander Smits November 22, 2012
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Before graduation Utrecht University • BSc. Computing Science • BSc. + MSc. Mathematics Graduation internship @ Omnitrans International O-D matrix estimation A Priori O-D matrix ⇒ New O-D Matrix Traffic counts Matrix estimation O-D matrix Route proportions Assignment
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Before graduation After internship @ Omnitrans • Writing Thesis • Searching for a job: What do I want? • Consultancy (Engineering)? • Consultancy (Strategy)? • Private Equity? • Trader (Finance)? • Science?
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Before graduation After internship @ Omnitrans • Writing Thesis • Searching for a job: What do I want? • Consultancy (Engineering)? • Consultancy (Strategy)? • Private Equity? • Trader (Finance)? • Science? • What do I find important? • → Challenge! I want to apply my analytical skills.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up PhD Research @ T & P Your own project 4-year long challenge! Gather knowledge ... execute the research ... publish your results The finale is the thesis defense.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up PhD Research @ TU DelftCourses Teaching • Soft skills (e.g. Scientific Writing) • Hard skills (e.g. Discrete Choice • Give lectures Analysis) • Supervise MSc studentsConferences Exchange • Transportation Research Board • One to three months • TRAIL Congress • All around the world • ...
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up PhD Research @ TU Delft
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Innovative Transport Pricing Introduction • Transport Pricing: • How do users pay for mobility? • Traditionally: Car purchase tax, Road tax, Public transport ticket
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Innovative Transport Pricing Introduction • Transport Pricing: • How do users pay for mobility? • Traditionally: Car purchase tax, Road tax, Public transport ticket • Initiatives for different measures are proposed since 1977 in The Netherlands • Toll roads • Peak hour sticker • Kilometre charge
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Innovative Transport Pricing Introduction • Transport Pricing: • How do users pay for mobility? • Traditionally: Car purchase tax, Road tax, Public transport ticket • Initiatives for different measures are proposed since 1977 in The Netherlands • Toll roads • Peak hour sticker • Kilometre charge • All proposals failed to be implemented.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Innovative Transport Pricing Research Project • Deliverable: Decision support system for the design and evaluation of innovative pricing schemes. • Underlying goal: Sustainable mobility and accessibility in the Randstad area.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Innovative Transport Pricing Research Project • Deliverable: Decision support system for the design and evaluation of innovative pricing schemes. • Underlying goal: Sustainable mobility and accessibility in the Randstad area. • Model studies on transport pricing are numerous, but lack a complete solution. • Task: Combine state-of-the-art models and fill in the gaps.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Innovative Transport Pricing Schematic overview Mo lders Groningen Friesland del eho Drenthe Noord- Holland Flevo- land Overijssel Utrecht Gelderland Zuid- HollandStak Noord-Brabant Zeeland Limburg
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Innovative Transport Pricing Schematic overview Insurance fee Toll Mo lders Parking fee Pricing Fuel price Scheme Groningen Friesland del Ticket price eho Drenthe Noord- Holland Flevo- land Kilometre charge Overijssel Utrecht Gelderland Zuid- HollandStak Noord-Brabant Zeeland Limburg
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Innovative Transport Pricing Schematic overview Insurance fee Toll Mo lders Parking fee Pricing Fuel price Scheme Groningen Friesland del Ticket price eho Drenthe Noord- Holland Flevo- land Kilometre charge Overijssel Utrecht Gelderland Zuid- HollandStak Noord-Brabant Zeeland Limburg Tra ic Mo Tra + nsp ff ort el & d
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Innovative Transport Pricing Schematic overview Insurance fee Toll Mo lders Parking fee Pricing Fuel price Scheme Groningen Friesland del Ticket price eho Drenthe Noord- Holland Flevo- land Kilometre charge Overijssel Utrecht Gelderland Zuid- HollandStak Noord-Brabant Zeeland Limburg Tra ic Mo Tra + Safety nsp ff dB Accessibility Effects ort el PM10 Congestion CO2 & d User Equity NOX
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Transport Model Introduction • Input • Pricing Scheme • Multimodal Network • Potential OD demand
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Transport Model Introduction • Input • Pricing Scheme • Multimodal Network • Potential OD demand • Output • Travel Times • Emissions • Other quantified effects Results are obtained by calculating the user equilibrium.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Transport Model Schematic Overview Assignment model Dynamic Choice set generator multimodal route set Route choiceDemand model Flow propagation model Trip choice Dynamic Potential Multimodal demand Multiple user classes Destination Spillback choice Shockwaves
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Transport Model Choice set generator
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Transport Model Choice set generator
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Transport Model Multimodal choice model • Simultaneous mode, route and departure time choice. • Discrete choice model for a multimodal route set. • Model takes into account • Travel times in several modes • Waiting and transfer time • Fuel costs, parking costs, public transport price and road pricing costs • Compensation of costs • Different income groups • Penalties for early/late departure/arrival • Stay home alternative
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Transport Model Dynamic Network Loading with the LTM Fundamentals of the Link Transmission Model (LTM) • Consistent with first order kinematic wave theory (shockwaves & spillback). • Based on cumulative flows. • Time discretized. • No space discretization (other than the network representation). • Triangular fundamental diagram.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Transport Model Dynamic Network Loading with the LTM Fundamentals of the Link Transmission Model (LTM) • Consistent with first order kinematic wave theory (shockwaves & spillback). • Based on cumulative flows. • Time discretized. • No space discretization (other than the network representation). • Triangular fundamental diagram. The LTM can only be applied on road networks and should be combined with a public transport network loading model.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Introduction • Input • Stakeholders’ preferences on effects • Stakeholders’ hierarchy and interaction • Stakeholders’ executive control
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Introduction • Input • Stakeholders’ preferences on effects • Stakeholders’ hierarchy and interaction • Stakeholders’ executive control • Output • Unique pricing scheme Results are obtained by iterating over the underlying transport model.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Mathematical formulation • Price vector p = (p1 , . . . , pn )
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Mathematical formulation • Price vector p = (p1 , . . . , pn ) • Effects vector e = (e1 , . . . , em )
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Mathematical formulation • Price vector p = (p1 , . . . , pn ) • Effects vector e = (e1 , . . . , em ) • DTA(p) : Rn → Rm is the operator mapping the prices to effects under user equilibrium in the transport model.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Mathematical formulation • Price vector p = (p1 , . . . , pn ) • Effects vector e = (e1 , . . . , em ) • DTA(p) : Rn → Rm is the operator mapping the prices to effects under user equilibrium in the transport model. The classical approach is: min f (e) p such that e = DTA(p) where f : Rm → R is the preference of the stakeholder.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Multiple stakeholders • S is the set of stakeholders. • Every stakeholder s ∈ S has objective function: fs (e) : Rm → R (1)
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Multiple stakeholders • S is the set of stakeholders. • Every stakeholder s ∈ S has objective function: fs (e) : Rm → R (1) • Every stakeholder minimizes its objective by setting p.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Multiple stakeholders • S is the set of stakeholders. • Every stakeholder s ∈ S has objective function: fs (e) : Rm → R (1) • Every stakeholder minimizes its objective by setting p. • Because of the multiple objective functions a formulation as a simple mathematical problem is not feasible.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Stakeholders Model Game Theoretical Approach • Game theoretical solution algorithms are used. • The stakeholders can either cooperate or act selfishly. • Under cooperation coalitions between stakeholders can be formed and monetary transactions are allowed. • Without cooperation each stakeholder will make independent decisions based on self-interest.
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Example City A City B City C
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Wrap-up After graduation: • Find out what you find important in your career! • Doing PhD research is challenging and offers a lot more than just desktop work Innovative Transport Pricing • A comprehensive model framework is required to evaluate and design pricing measures • Cooperation between stakeholders can improve the transport system • The method provides insight for stakeholders in the benefit of forming a coalition (and can be used as decision support system)
    • Before graduation PhD Research Innovative Transport Pricing Transport Model Stakeholders Model Wrap-up Questions? e.smits@tudelft.nl Room: 4.14