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Cooperative Vehicle Safety Systems: a CPS perspective
One of the main characteristics of Cyber Physical Systems (CPS) is the
tight coupling of their cyber and physical aspects. In this project, we
examine this characteristic for cooperative vehicle safety (CVS)
systems, and identify how design and operation of such CPSs should
consider this tight coupling.
In CVS systems, vehicles broadcast their
physical state information over a shared wireless network to allow their
neighbors to track them and predict possible collisions. There are
certain parameters of the system (such as transmission power, and rate
of message generation) that are controllable and directly impact the
overall performance of the system.
The physical
dynamics of vehicle movement and the required accuracy from tracking
process dictate certain load on the network. But the vehicular network
performance is directly affected by the amount of offered load, and
in turn directly affects the tracking process. The tight mutual dependence of
physical dynamics of vehicle (physical component), estimation/tracking
process and communication process (cyber components) require a new look
at how such systems are designed and operated. We consider these factors
and propose methods to simplify the design procedure for such tightly
coupled systems. The method includes design considerations such as
modeling subcomponent of the CPS and devising interaction and control
algorithms to operate them.
We
have developed an elaborate simulation environment using
SHIFT and
OPNET simulators, and developed
mathematical models describing the Vehicular Ad-Hoc Network on which CVS
operates. Through simulation experiments we compare our
proposed methods with methods based on separate design of cyber and
physical components. We show significant gains in performance when CPS
design considerations are respected.
Our current work is focused on implementing the proposed methods and
further extension of the mathematical models that are the base of our
designs.
The following papers examine different aspects of CVS systems.
Related Papers:
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Yaser P. Fallah, C. L. Huang, R. Sengupta, H.
Krishnan, "Design of Cooperative Vehicle Safety Systems based on
Tight Coupling of Communication, Computing and Physical Vehicle
Dynamics", To appear in Proc. IEEE Int. Conf. on Cyber Physical
Systems, ICCPS 2010
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CL. Huang, Yaser P.
Fallah, R. Sengupta, H. Krishnan, "Adaptive InterVehicle
Communication Control for Cooperative Safety Systems", IEEE
Network Magazine, Jan. 2010 [pdf]
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CL. Huang, Yaser P.
Fallah, R. Sengupta, H. Krishnan, "Inter-vehicle Transmission Rate
Control for Cooperative Active Safety System," provisionally
accepted to IEEE Trans. on Intelligent Transportation Systems.
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C. L.
Huang, Y. P. Fallah, R. Sengupta, H. Krishnan, "Information
Dissemination Control for Cooperative Active Safety Applications in
Vehicular Ad-Hoc Networks," Proc. of IEEE Globecom 2009.
[pdf]
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C. L. Huang, Yaser P. Fallah, R.
Sengupta, "Analysis of Aggregated Power Level and Rate-Power
Control Designs for Status Update Messages in VANETs," Proc. IEEE
Mobile Adhoc and Sensor Systems, MASS '2009. conf., pp. 615 - 620,
2009.
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C. L. Huang, X. Guan, Yaser P. Fallah, R.
Sengupta, H. Krishnan, "Robustness Evaluation of Decentralized
Self-Information Dissemination Control Algorithms for VANET Tracking
Applications," Proc. of IEEE Vehicular Technology Conf. VTC-Fall
2009.
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C. Manasseh, R. Sengupta,"Middleware
to Enhance Mobile Communications for Road Safety and Traffic Mobility
Applications", IET Intelligent Transportation. Systems Journal,
January 2010 vol. 4, issue 1
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S. Rezaei, R. Sengupta, H. Krishnan, X.
Guan, R. Bhatia, "Tracking the position of neighboring vehicles
using wireless communications", Transportation Research Part C:
Emerging Technologies, June 2009
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Xu Q., Ko J., Mak T., Sengupta R., "Medium
Access Control Protocol Design for Vehicle-Vehicle Safety Messages."
in IEEE Transactions on Vehicular Technology, April 2006.
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Ergen M., Lee D., Sengupta
R., Varaiya P. "Wireless Token Ring Protocol.", in IEEE
Trans. on Vehicular Technology, July 2004.
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Seiler P., Sengupta R. "An
H_infinity Approach to Networked Control.", in IEEE transactions
on automatic control.
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Ergen M., Lee, D. Datta R., Ko J., Puri
A., Sengupta R., Varaiya P. Comparison of Wireless Token Ring
Protocol with IEEE 802.11. Journal of Internet Technology, Volume
4, no. 4, February 2004.
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Seiler P., Sengupta R. A Bounded Real
Lemma For Jump Systems. IEEE Transactions on Automatic Control,
vol.48, no.9, Sept. 2003, pp.1651-4.
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Carbaugh, J.; Godbole, D.N.; Sengupta, R. Safety and capacity analysis of automated and manual highway
systems. Transportation Research Part C (Emerging Technologies),
vol.6C, (no.1-2), Elsevier, Feb.-April 1998. p.69-99.
Upcoming Related Conferences:
Cyber Physical Systems Conferences:
Vehicular Technology Conferences:
Page last updated
04/14/2010.
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