A Research Platform for Singapore

Individual Mobility Vehicles & Services

Overview

The working hypothesis of the area Individual Mobility Vehicles & Services (IMVS) is shared with RRT. It is to close the transport capacity gap between bus and MRT in Singapore and similar cities. While RRT is looking into the overall transport concept, IMVS is using those outputs to come up with detailed vehicle concepts to suit this new transit mode. For this we focus on different aspects of how such vehicles could be designed to suit their purpose in a better way while operating more efficiently. Research topics include the development of an efficient and modular powertrain, a new design for user interaction and methods for rapid and environmental prototyping and production. TUMCREATE will come up with an overall transport solution, to which IMVS will contribute the suitable vehicle concepts, co-developed with support from DAM, SMAT and AIDA.

Research

In the IMVS area, research focusses on mechanical, electrical and software demonstrators and (virtual) prototypes that serve as a proof-of-concept and illustrate the feasibility of the developed approaches. The planned work is separated into the four main work packages described below. These packages depend on each other and form the vehicle concepts. These concepts are designed to be modular and upgradeable, with associated scalable hardware and software architectures. They are part of the overall transportation concept developed by TUMCREATE.

 

Vehicle Concept Development

This work package starts with the analysis and identification of areas for improvement of the current transportation system. Based on these findings, new vehicle concepts will be introduced, for which requirements have to be determined depending on how these new vehicles would integrate with other modes of the existing transportation system. Simulation tools are developed to specify the defining parameters of the vehicle concepts e.g. vehicle capacity, powertrain technology, daily mileage and driving patterns for different use case scenarios.

These tools developed helps in the definition of the detailed vehicle specifications for the SRT. The vehicle specifications would include very important parameters apart from the Module Exterior dimensions such as HVAC, Powertrain, Chassis Systems and Operations.

 

Modular powertrain

Novel modular powertrain architectures with scalable components are being investigated, together with architecture simulation techniques, a design platform and standardized interface specifications.

The motivation is to simplify prototyping by eliminating problems, which might occur when different system components are brought together. Modular powertrain systems can be suitable for various vehicle concepts.

Also, Energy Storage Solutions (ESS) are being investigated to decide on the Battery Pack and its sizing. The ESS solution must align with the mobility needs, infrastructure and the SRT Operations.

 

Vehicle-User Interaction

Intuitive user-vehicle interaction is crucial for the acceptance and success of new transportation solutions. Thus, the physical as well as the virtual interactions between passengers and the newly developed vehicles are investigated, evaluated and optimized. This will include

  • Development of  Active Interaction Modes (Screen, Touch/Haptic Response, Interactive feedback, hands free payment)
  • Develop Passive Interactions Modes (Chairs, seats, layout, doors, handles, accessibility features)

 

Vehicle Packaging

The main focus is to create a complete Vehicle Package for the SRT Module that includes advanced vehicle concepts and features that would be relevant for the future Autonomous Public transport system. Huge efforts are put in the research direction to solve some of the basic problems that cannot be addressed in the non-autonomous vehicles. Also, one important focus is to improve the flexibility in the vehicle concepts development process so that the package could be scalable. This is achievable by parameterization of vehicle package. Some interesting research areas that are being investigated includes

  • Independent all Wheel Steering for Autonomous Vehicles. Here the possibilities of reduction of steering angle without affecting the low turning radius are being developed through new control strategies and simulations.
  • Optimization of HVAC for reduction of Energy consumption in tropical weather conditions.
  • Improvement in the Suspension System to provide the best comfort and also enable better accessibility at the bus stops by implementation of advanced Electronic Air Suspension System.

 

Publications

[1]F. Chang and M. Lienkamp, “A modular multilevel topology using power electronic transformers for the modular drivetrains of electric vehicles,” in Proceedings of the 18th European Conference on Power Electronics and Applications, Karlsruhe, Germany, Sep. 2016, pp. 1–9, ISBN: 978-9-0758-1524-5, DOI: 10.1109/EPE.2016.7695543.
 
@inproceedings{FCIMVS2016,
author={Chang, Fengqi and Lienkamp, Markus},
title={A Modular Multilevel Topology Using Power Electronic Transformers for the Modular Drivetrains of Electric Vehicles},
booktitle={Proceedings of the 18th European Conference on Power Electronics and Applications},
year={2016},
month=sep,
pages={1--9},
location={Karlsruhe, Germany},
isbn={978-9-0758-1524-5},
doi={10.1109/EPE.2016.7695543}
}
[2]B. Jäger, C. Hahn, and M. Lienkamp, “An evolutionary algorithm for an agent-based fleet simulation focused on electric vehicles ,” in Proceedings of the 2016 International Conference on Collaboration Technologies and Systems (CTS 2016), Orlando, Florida, USA : IEEE, Nov. 2016, DOI: 10.1109/CTS.2016.0087.
 
@inproceedings{BJIMVS2016,
author={J{\"a}ger, Benedikt and Hahn, Christoph and Lienkamp, Markus},
title={An Evolutionary Algorithm for an Agent-based Fleet Simulation Focused on Electric Vehicles },
booktitle={Proceedings of the 2016 International Conference on Collaboration Technologies and Systems (CTS 2016)},
year={2016},
address={ Orlando, Florida, USA },
month=nov,
publisher={IEEE},
doi={10.1109/CTS.2016.0087}
}
[3]F. Roemer, M. Lamparter, and M. Lienkamp, “A method for masterless self-assigning CAN bus identifier,” in Proceedings of the 2017 IEEE Transportation Electrification Conference and Expo (ITEC '17), Chicago, IL: IEEE, Jun. 2017, DOI: 10.1109/ITEC.2017.7993257.
 
@inproceedings{RLL2017IMVS,
author={ Roemer, Felix and Lamparter, Matthias and Lienkamp, Markus },
title={A Method for Masterless Self-Assigning {CAN} Bus Identifier},
booktitle={Proceedings of the 2017 IEEE Transportation Electrification Conference and Expo (ITEC '17)},
year={2017},
address={Chicago, IL},
month=jun,
publisher={IEEE},
doi={10.1109/ITEC.2017.7993257}
}
[4]F. Chang, O. Ilina, O. Hegazi, L. Voss, and M. Lienkamp, “Adopting MOSFET multilevel inverters to improve the partial load efficiency of electric vehicles,” in Proceedings of the 19th European Conference on Power Electronics and Applications, Warsaw, Poland, Sep. 2017, pp. 1–13, ISBN: 978-90-75815-27-6, DOI: 10.23919/EPE17ECCEEurope.2017.8099071.
 
@inproceedings{FCIMVS2017,
author={Chang, Fengqi and Ilina, Olga and Hegazi, Omar and Voss, Leon and Lienkamp, Markus},
title={Adopting {MOSFET} Multilevel Inverters to Improve the Partial Load Efficiency of Electric Vehicles},
booktitle={Proceedings of the 19th European Conference on Power Electronics and Applications},
year={2017},
month=sep,
pages={1--13},
location={Warsaw, Poland},
isbn={978-90-75815-27-6},
doi={10.23919/EPE17ECCEEurope.2017.8099071}
}
[5]B. Jäger, F. M. M. Agua, and M. Lienkamp, “Agent-based simulation of a shared, autonomous and electric on-demand mobility solution ,” in Proceedings of the 20th IEEE International Conference on Intelligent Transportation (ITSC 2017), Workshop on Modelling, Analysis and Control of Intelligent Mobility-on-Demand Systems , Yokohama, Oct. 2017, pp. 1–6, ISSN: 2153-0017, DOI: 10.1109/ITSC.2017.8317947.
 
@inproceedings{BJIMVS2017,
title={Agent-Based Simulation of a Shared, Autonomous and Electric On-Demand Mobility Solution },
author={J{\"a}ger, Benedikt and Agua, Fares Maximilian Mrad and Lienkamp, Markus },
booktitle={Proceedings of the 20th IEEE International Conference on Intelligent Transportation (ITSC 2017), Workshop on Modelling, Analysis and Control of Intelligent Mobility-on-Demand Systems },
year={2017},
month=oct,
pages={1--6},
location={Yokohama},
issn={2153-0017},
doi={10.1109/ITSC.2017.8317947}
}
[6]B. Jäger, C. Brickwedde, and M. Lienkamp, “Multi-agent simulation of a demand-responsive transit system operated by autonomous vehicles,” in Proceedings of the Transportation Research Board 97th Annual Meeting, Washington, D.C., Jan. 2018, pp. 1–15, ISSN: 0361-1981, [Online]. Available: https://trid.trb.org/view/1494440.
 
@inproceedings{BJ2IMVS2017,
title={Multi-Agent Simulation of a Demand-Responsive Transit System Operated by Autonomous Vehicles},
author={J{\"a}ger, Benedikt and Brickwedde, Carsten and Lienkamp, Markus},
booktitle={Proceedings of the Transportation Research Board 97th Annual Meeting},
year={2018},
month=jan,
pages={1--15},
location={Washington, D.C.},
issn={0361-1981},
url={https://trid.trb.org/view/1494440}
}
[7]A. Ongel, H. Cornet, P. Kong, R. Khoo, T. Liu, and M. Kloeppel, “Public transport service quality improvement using universal design standards and advanced vehicle technologies,” in Proceedings of the 2018 International Conference on Intelligent Autonomous Systems, Singapore, Mar. 2018, pp. 207–212, ISBN: 978-1-5386-6329-5.
 
@inproceedings{AOIMVS2017,
title={Public Transport Service Quality Improvement Using Universal Design Standards and Advanced Vehicle Technologies},
author={Ongel, Aybike and Cornet, Henriette and Kong, Penny and Khoo, Raymond and Liu, Tao and Kloeppel, Manfred},
booktitle={Proceedings of the 2018 International Conference on Intelligent Autonomous Systems},
year={2018},
month=mar,
pages={207--212},
location={Singapore},
isbn={978-1-5386-6329-5}
}
[8]F. Chang, R. Khoo, A. Ongel, and M. Lienkamp, “Rapid energy consumption assessment of vehicle concepts for public transport systems without detailed deployment data,” in Proceedings of the International Conference on Innovative Smart Grid Technologies 2018 (ISGT Asia 2018), Singapore, May 2018, pp. 1–4, in press.
 
@inproceedings{FCRKOAIMVS2018,
author={Chang, Fengqi and Khoo, Raymond and Ongel, Aybike and Lienkamp, Markus},
title={Rapid Energy Consumption Assessment of Vehicle Concepts for Public Transport Systems without Detailed Deployment Data},
booktitle={Proceedings of the International Conference on Innovative Smart Grid Technologies 2018 (ISGT Asia 2018)},
year={2018},
month=may,
pages={1--4},
location={Singapore},
}
[9]F. Chang, F. Roemer, M. Baumann, and M. Lienkamp, “Modelling and evaluation of battery packs with different number of paralleled cells,” World Electric Vehicle Journal, vol. 9, no. 8, pp. 1–15, Jun. 2018, ISSN: 2032-6653, DOI: 10.3390/wevj9010008.
 
@article{FCFRIMVS2018,
title={Modelling and Evaluation of Battery Packs with Different Number of Paralleled Cells},
author={Chang, Fengqi and Roemer, Felix and Baumann, Michael and Lienkamp, Markus},
journal={World Electric Vehicle Journal},
volume={9},
number={8},
year={2018},
month=jun,
pages={1--15},
issn={2032-6653},
doi={10.3390/wevj9010008},
}
[10]B. Jäger, C. Brickwedde, and M. Lienkamp, “Multi-agent simulation of a demand-responsive transit system operated by autonomous vehicles,” Transportation Research Record Journal of the Transportation Research Board, Jul. 2018, DOI: 10.1177/0361198118786644, in press.
 
@article{BJ2IMVS2018,
title={Multi-Agent Simulation of a Demand-Responsive Transit System Operated by Autonomous Vehicles},
author={J{\"a}ger, Benedikt and Brickwedde, Carsten and Lienkamp, Markus},
journal={Transportation Research Record Journal of the Transportation Research Board},
year={2018},
month=jul,
location={Washington, D.C.},
doi={10.1177/0361198118786644},
}
[11]F. Chang, O. Ilina, L. Voss, and M. Lienkamp, “Improving the overall efficiency of automotive inverters using a multilevel converter composed of low voltage SI MOSFETs,” IEEE Transactions on Power Electronics, pp. 1–17, Jul. 2018, ISSN: 0885-8993, DOI: 10.1109/TPEL.2018.2854756, in press.
 
@article{FCIMVS2018,
title={Improving the Overall Efficiency of Automotive Inverters Using a Multilevel Converter Composed of Low Voltage {SI} {MOSFETs}},
author={Chang, Fengqi and Ilina, Olga and Voss, Leon and Lienkamp, Markus},
journal={IEEE Transactions on Power Electronics},
year={2018},
month=jul,
pages={1--17},
issn={0885-8993},
doi={10.1109/TPEL.2018.2854756},
}
[12]F. Roemer, M. Mrosek, S. Schmalfuss, and M. Lienkamp, “New approach for an easily detachable electric drive unit for off-the-shelf bicycles,” World Electric Vehicle Journal, vol. 9, no. 3, pp. 1–13, Aug. 2018, ISSN: 2032-6653, DOI: 10.3390/wevj9030037.
 
@article{FRIMVS2018,
title={New Approach for an Easily Detachable Electric Drive Unit for Off-the-shelf Bicycles},
author={Roemer, Felix and Mrosek, Marius and Schmalfuss, Simon and Lienkamp, Markus},
journal={World Electric Vehicle Journal},
volume={9},
number={3},
year={2018},
month=aug,
pages={1--13},
issn={2032-6653},
doi={10.3390/wevj9030037},
}

Other output

[13]B. Jäger, M. Wittman, and M. Lienkamp, “Agent-based modeling and simulation of electric taxi fleets,” in Proceedings of the 6th Conference on Future Automotive Technology (COFAT '17), Fürstenfeld, Germany: COFAT, May 2017.
 
@inproceedings{BJ3IMVS2017,
author={J{\"a}ger, Benedikt and Wittman, Micheal and Lienkamp, Markus},
title={Agent-based Modeling and Simulation of Electric Taxi Fleets},
booktitle={Proceedings of the 6th Conference on Future Automotive Technology (COFAT '17)},
year={2017},
address={F{\"u}rstenfeld, Germany},
month=may,
publisher={COFAT},
}
[14]M. Kloeppel and M. Lienkamp, “Vehicle concept development for future public transport systems. literature review and methodology,” in Proceedings of the International Conference on Intelligent Transport Systems in Theory and Practice, Munich, Germany, Jul. 2017.
 
@inproceedings{MKIMVS2017,
author={Kloeppel, Manfred and Lienkamp, Markus},
title={Vehicle Concept Development for Future Public Transport Systems. Literature Review and Methodology},
booktitle={Proceedings of the International Conference on Intelligent Transport Systems in Theory and Practice},
year={2017},
address={Munich, Germany},
month=jul,
organization={mobil.TUM 2017},
}
[15]A. Pathak, R. Khoo, A. Ongel, and M. Lienkamp, “ feasibility of using air curtains in urban buses,” in Proceedings of the 7th Conference on Future Automotive Technology (COFAT '18), Fürstenfeld, Germany: COFAT, May 2018, pp. 1–13.
 
@inproceedings{APIMVS2018,
title={ Feasibility of Using Air Curtains in Urban Buses},
author={Pathak, Aditya and Khoo, Raymond and Ongel, Aybike and Lienkamp, Markus },
booktitle={Proceedings of the 7th Conference on Future Automotive Technology (COFAT '18)},
year={2018},
month=may,
pages={1--13},
address={F{\"u}rstenfeld, Germany},
publisher={COFAT},
}

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