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HybOS C1
China's first medium hybrid wheel loader
a systems engineering story
MESCONF China 2018
at November 26th, Shanghai
About us
GEDES e.V. Germany
OUTAILONG Heavy Industries, China
SiSy Solutions GmbH, Germany
Project
Objectives
Develop a hybrid work machine
- less fuel consumed
- lower emissions
- more power
- better driving and working
characteristics
- easy to handle
- not too expensive
- combine existing and
new technologies
The prototype will be presented in November at the Bauma CHINA 2018 in Shanghai (F47).
Old Powertrain
conventional diesel engine
conventional
mechanical powershift transmission
New Powertrain
modern LiFePo
batteries
modern 45 KW common rail diesel engine
20 KW (35 KW Peak)
electric motor
conventional lead batteries
previous
gear box
The core team
Project Team
Process
Challenges:
very small team
language barrier
geographical distance
time shift
many external actors
hard time budget
totally new
we use an agile process model
Collaborators
Time line
Bauma Shanghai
27. November
2018
Kick Off
1. September
2017
2018 August
HybOS D1
the first prototype
2018 May
Provision of
key components
2018 July
Powertrain
test bench is ready
2018 October
final assembly of the second prototype
HybOS C1
2017 December
presentation
basic Design
HybOS
Correlations
In this project, a lot of information from different types of external systems has to be merged.
especially important are different kinds of interface descriptions.
Mechanics
Hydraulics
Electronics
K88
Detail 1
K88
K66
Detail 2
K66
A91
Detail 3
A91
CAN H, K88, K66, A91, P1_13, CAN H
Software
Modelling
Model structure
SysML Model (n.c.)
UC, use case model
HRM, hardware resources model
REQ, requirements model
UML Model
CL, class model
SM, state machine
SEQ, sequence diagram
PKG, package diagram
DOK Model