optimising the future of personal mobility€¦ · osaka founded: 1998 by hisamitsu harada head...
TRANSCRIPT
Optimising the Future of Personal Mobility
Introduction
Who are HVD?
What is Personal Mobility?
What are the design considerations when designing personal mobility products?
Case Study – applying optimisation to a footboard
Final thoughts.
HVD – A Brief Summary
Tokyo
Osaka
Founded:
1998 by Hisamitsu Harada
Head Office Location:
Miyoshi city, near Toyota City (Central Japan)
Number of Employees: 84
Main customers:
Toyota / Lexus
Yamaha
Aisin Seiki
Panasonic
Company Philosophy: “Sampo-yoshi”
Beneficial to Society, to the Customer and to the Vendor.
Design Specification
Engine variation
・Gas
・Diesel
Handle
・RHD
・LHD
Audio
1DIN
2DIN
Country
・Europe
・Japan
・USA
・China
Vehicle Specification
Design, development and
prototyping of wire harness in
Japanese automobile industry
HVD’s projects 1
HVD’s projects 2
Design, development and
prototyping of interior & exterior parts
for the Japanese Automotive
Industry
Door Lock Outside handle
Design, development and
prototyping of door functional parts in
Japanese automobile industry
HVD’s projects 3
Outside handle
HVD’s projects 4
The World’s largest skateboard, developed & manufactured for
a TV programme (TBS)
Metallic AM * 1
Maraging Steel
Titanium
Inconel
Aluminium
Stainless Steel
Additive Manufacturing
EN(AS)9100
AMQ
Aerospace quality management standard
EOS, the global technology leader for industrial 3D printing, awarded the first Additive Manufacturing Quality (AMQ)
certification in Japan to HVD, a leader in direct metal 3D printing.
Certification:
Nylon AM * 2 PP AM * 2
Why HVD & GRM?
A chance encounter – working towards the future
Design &
Creativity
CAE
Technology &
Innovation
The Future of Design
What is it?
A new generation of machines
designed to change the way people
transport.
Why?
Good for the environment
Enhanced freedom for all
Benefits to society through more
efficient use of urban space
Personal Mobility
The Evolution of Personal mobility
2005 – i-unit
(developed for Aichi
Expo)
2005 – i-swing (Tokyo
Motor Show)
Some More Examples
2013 – i-ROAD(Tokyo
Motor Show)
2007 – i-REAL (Tokyo
Motor Show)
The challenges of personal mobility
Affordability
Affordability means access for people from all walks of life
Lightweight
Efficient and economic use of materials is beneficial to society
High performance
Through high performance comes high desirability.
Optimised Engineering Design
Example: footboard
The project
Develop a strong, light footplate for a personal mobility vehicle
The challenge
Reducing mass
The Solution
Optimised casting using topology
The Target
Reduce the mass as much as possible
Manufacturing considerations
3 Methods Considered
No Manufacturing Constraints
Single Casting
Two Castings
Starting Geometry
Project Start – Design Volume
Battery Space
Footplates for user to stand on
Mesh & Loading Conditions
Voxel Mesh – Quick to make & Perfect for concept topology
Foot loads applied using Genesis’ efficient contact calculations
Lateral/Twisting
Load
Standing loadcase
(110kg * 3G)
Hinge
Concept Topology Results
No Constraints
2.46kg
Single Casting
2.48kg
Twin Casting
2.48kg
Topology Interpretation
New CAD Delivered, based upon topology loadpaths, and including functional
details
Interpreted Mass:
4.49kg
Further Refinements… GRM employed RDM, topometry and sheet topology optimisation to further
improve the design and decrease the mass.
Thickness(mm)
Element Density
Further Refinements 2
Extra local abuse loadcases used to optimise the footplate, whilst maintaining
high performance
1
2
3
4
5
6
7
8
Updated Interpretation
New lightweight design delivered, meeting all performance
targets.
Mass Reduction of ~25% from initial interpretation.
Reduced Mass:
3.15kg (-1.34kg)
In summary – the future
HVD envisages a large growth in the
marketplace for alternative transportation
& personal mobility
To fully exploit this opportunity, it is
imperative to use efficient development
methods.
By collaborating with GRM, HVD can
expand its capabilities and make best use
of the latest trends in the mobility industry.
Contact Details
HVD
Hisamitsu Harada
GRM Japan
Adam Hargreaves
14Lab
Satoshi Ishiguro