Activities and Results of the first 2 Years
September 4, 2007
Advanced Vehiclesand Vehicle Control Knowledge Center
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Overview
• Motivation for establishment of the Knowledge Center
• Organization and structure• Processes• Reference projects• Facilities• Strategic plan for 2007-2008
Motivation
The Establishment Process of the Knowledge Center
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Concentration of Resources
LargeCompanies
SmallVentures
ResearchInstitute
University
Homologation and legislation
Participants
External supporters
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Establishment Process
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1. Control of Vehicle Groups
• Significant professional and market results even in the first year of operation
• Cooperation with inland professional organizations (Association of the Hungarian Automotive Industry, Hungarian Logistics Association, Hungarian Road Transport Association)
• Tangible industrial orders (ATEV Kft., MOLTRANS Kft., Hungarian Mail)
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2. Vehicle-environment Contact
• Joining into international ITS R&D activities (CVIS - ERTICO project, with Ramsys zRt.)
• Participation in home standardization processes (MSZT/MB 911 working group)
• Development of a video-based lane-departure detection and avoidance system
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3. Control on Vehicle Level
• Development of an integrated control methodology
• Application of software technology tools in real-time, distributed control systems
• „Stunt SMART” – demonstration of X-by-wire systems
• Demonstration of alternative vehicle technologies
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4. Intelligent Actuators
Electronicsteering
Electronic motormanagement
Electronicbraking
Electronicgear-shifting
Electronicsuspension
Steer-by-wire
Power-by-wire
Brake-by-wire
Sift-by-wire
Ride-by-wire
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5. Platform Systems
Organization and Structure
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Matrix OrganizationAdvisory Board (Prof. Károly Molnár, Prof. Pál
Michelberger, Prof. László Keviczky, István Lepsényi)
Scientific Director(Prof. József Bokor)
Director(Dr. Zsolt Stukovszky)
Program Director(Dr. Csilla Bányász)
BME(Dr. Zsolt Stukovszky)
SZTAKI (Dr.GáspárP.)
AHAI(István Wahl)
Admin./PR
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Development Director(Dr. László Palkovics)
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Students Involved into R&D Work
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hallgató doktorandusz
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Own Journal
Processes
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Business Process Structure
Leadership Resource management
Sales and marketing
Product industrialization
Business and organization development
Human resourcesmanagement
Project management Finance Facility Data
Marketing andmarket development
Sales planning External contacts Dissemination of results
Basicresearch
Strategic planning Process development
Ma
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Innovativeproducts
Serial productdevelopment
Qualificationand testing
Customerapplications
Productionpreparation
Regulations
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Data Management
Development process
Project management process
Neptun.Net / Poszeidon.Net based RET PMT tool
Neptun.Net / Poszeidon.Net based Knowledge base
Intranet
Extranet
Internet
Documentation of results Documentation of processes
User
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ISO 9001 Certification
Reference Projects
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Brake System Design and Investigation Activities• Several projects have been carried out with industrial partners:
– Design of software modules for electronic braking system– Trailer electronic brake system investigation– Measurement of brake caliper vibrations– Control algorithm design for electro-mechanic self-amplified brake system– Design and verification of brake systems– Design of brake system components such as
• Oil separator for air brakes• Brake components for a cardan shaft parking brake• ….
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Stability Control System Development
• Theoretical investigations – Definition of the vehicle stability control logic – what is the
target– Selection of the control philosophy– Efficiency of the potential actuators (brake, steering,
suspension)– Identification of the reference model– Vehicle stability in-plane (yaw) and out plane (roll, pitch)
• First vehicle dynamic control system for commercial vehicles is originated from the department in 1991 – since than it is a product of our partner, Knorr Bremse
T1
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Original forcevector
Modified force vector bytyre slip manipulaton
Difference
Limit force vector
VEHICLE
Virtual model
KV
KU
-KC State
observer
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Brake and Steering Contr.
Torque and add. Steering
Driver's steering effort
Without DSCrolling over
Lateral acceleration
High C.G.
Reduction in the tire lateralforce component
With DSC a slightlateral sliding
Longitudinal slip
Longitudinal tireforce
Lateral tireforce
Tends to zero by roll-over
Vertical tire load a. b.
Reduction of the lateralforce component on thefront outer wheel (highslip value)
Brakeapplication onthe outer rearwheel, high slip)
Trailer brake applicationreducing trailer push orcausing trailer pull
Increasing the slipon the outer rearwheel
Reduction of the lateralforce component on theouter front wheel (let thewheel roll with high slip)
Releasing the inner rearwheel to reduce thelateral force componentand gaining referencespeed
Overbraking the trailerif necessary or possible
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Stability Control System – Steering Intervention
• Integration of the electronic steering intervention in the brake system based vehicle dynamic control system has the following effects:– Driver’s workload is significantly
reduced – electronic steering intervenes much faster
– Stopping distance under mu-split or chess surface is significantly reduced
– Brake intervention comes much later,• The autonomous steering makes other
functions possible:– Lane departure avoidance– Compensation of road disturbances
• Partners (in PEIT project)– DaimlerChrysler– Thyssen Krupp– Knorr Bremse
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Modeling and Control of the Complete Driveline
• The drive-line vibration induced by several factors (uncertainties in the driveline, slashes, gear changing errors, etc.) disturb the driver and cause fatigue in the system.
• Programs have been started in:– Modeling of the complete drive-
line torsion vibration,– Elimination of these vibrations
• Test bench design is initiated by one of our partner
• Partners: – Knorr Bremse
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System Reliability Investigations for Redundant Systems
• Electronically redundant systems will replace the mechanic/pneumatic back-up levels
• Requirements for system reliability/availability are much higher
• Analytical reliability investigation is required not only on the component, but also on the system level
• A safety/reliability investigation has been started with MTA SZTAKI together for an electronically redundant braking system
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This document is property of Knorr-Bremse SfN. All rights reserved.
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Facilities
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Component test and research lab
Facility is about to be built, move in in December
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Component test – about to be established, released investment starts
Features:
• Covers all release and test requirements of mechatronic components inlcuding:– Climatic investigations
(temperature, heat shock)– Environmental test (salt and
mud spray, gravel bombardment)
– EMC and ESD– Vibration– Combinations of the above
investigations
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Measurements on moving vehicles
• Steering robot and measurement wheels• Longitudinal and lateral velocity measurement• Vibration and force measurement• Noise measurement• On-board data acquisition system• Test vehicles (passenger cars and trucks as well)
Strategic Plan
2007-2008
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Mission ,Vision, Values
• Vision– To be one of the most decisive European R&D and
Service Centers in the fields of vehicle electronics and mechatronics.
• Values– Multidisciplinary, accessible knowledge at the
University– Well defined clientele– Clear determination of the University to establish a kind
of organizational unit that operate on the market– Comprehensive professional knowledge and flexible
structure resulting in innovative niche-market products
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Mission ,Vision, Values
• The mission of the Knowledge Center is to collect and provide information for partners belonging to the corporate body as well as to create new knowledge in the area of vehicle electronics and mechatronics.
• Consortium partners cover the whole chain of innovation from basic research to product development and marketing.
• The Knowledge Center positions itself as an interim body between the academic world and the market economy, bringing market and product centric issues into the system of higher education, moreover, promoting the utilization of the most recent vehicle technology in industry.
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Strategic Areas
• Education and knowledge transfer• Basic research• Applied research and product development• Infrastructure development• Process development• Marketing and communications
Thank you for Attention!
Prof. Dr. László PalkovicsDevelopment Director