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Ic serv2013
1. Designing Methodology for
Innovative Service Systems
Hideyuki Nakashima (Future University Hakodate)
Haruyuki Fujii (Tokyo Institute of Technology)
Masaki Suwa (Keio University)
3. Our Definition of Service
• “X service” = Provision and
Utilization of X
-This definition captures “co-
creation of value”
4. Example
• transportation service
- provision and utilization of a
transportation system
• vehicles
• operation (software systems)
• infrastructure
• operators
• design of the whole system
5. Other Services
• food/drink systems
- providing food (physical object) alone is not service
• accommodation systems
• communication/postal systems
• meeting/conference systems
• information systems
- search, translation etc.
• education systems
• entertainment systems
• medical systems
• administration/governance systems
7. Design
• Definition: construction of a new system that has
some preferred function or feature
• Since design is manipulation of concept, meta-design,
design of design, is also important
• Design of a type
- Designing a new type of objects that did not exist or were not
thought about before
• Design of individual entities
- once a design method of a type is known, then there can be a
procedural method to design one instance of the type
8. Herbert Simon:
The Sciences of the Artificial
– 1st
edition 1969
– 2nd
edition 1981
– 3rd
edition 1996
• Everyone designs who
devises courses of
action aimed at changing
existing situations into
preferred ones.
18. Person trip research Bus simulations
SAVS operation test SAVS simulation
SAVS small size field-
test
FUN AIST
SAVS system design
SAVS medium size
field-test
SAVS full operation
restaurantsrestaurants
shopsshops
tourismtourism
1st
Cycle
2nd
cycle
3rd
cycle
NITECH
PersonPerson
triptrip
simula-simula-
tiontion
PersonPerson
triptrip
simula-simula-
tiontion
Ristex target line
hospitalshospitals
Oct 2013
Ristex project designed as Service Loop
19. Smart Access Vehicle System
Traditional system :
Bus and taxi are separated
Location and routeLocation and route
management withmanagement with
GPSGPS
Which ?
Bus: cheap but slow
Taxi: fast but expensive
Proposed systemProposed system (( SAVS):SAVS):
Computer selects the best vehicleComputer selects the best vehicle
21. SAVS for All
• Users
– Less need of private cars
• Transportation Providers
– More efficient operation
– Much more customers
• Local Government
– No need to supply tax
24
Win-Win-Win
22. Local optimization vs. Global optimization
• Search for best routs is local optimization
• SAV system is globally optimum
• But the intermediate state (mixture) is worse
25
Traditional fixed-
route bus SAV
S
Best routing
U-shaped transition
23. Jumping over the U-curve (power of IT)
• Transition procedure must be within service loop
• SAV subsumes traditional bus/taxi systems as special cases
• Neutral evolution method
– Traditional fixed-route operation on SAV
• Optimum routing
• Occasional SAV operation test
– When ready, switch to the new operation
Traditional operation
on SAV system
SAV
operation
JUMP
24. Service Loop with MAS
1. Analysis: Observe person trip in Hakodate
2. Scripting: MAS of full scale Hakodate PT +
MAS of SAV system (vs. traditional)
3. Generation: Field test (Routing algorithm uses
the same MAS of 2)
Provider’s Noesis: SAV system
4. Back to 1.