An architecture for cooperation among autonomous agents

University of Wollongong
Research Online
University of Wollongong Thesis Collection
University of Wollongong Thesis Collections
1998
An architecture for cooperation among
autonomous agents
David Jung
University of Wollongong
Recommended Citation
Jung, David, An architecture for cooperation among autonomous agents, Doctor of Philosophy thesis, Department of Computer
Science, University of Wollongong, 1998. http://ro.uow.edu.au/theses/1291
Research Online is the open access institutional repository for the
University of Wollongong. For further information contact the UOW
Library: [email protected]
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Jung, David, Cheng, Gordon and Zelinsky, Alexander, “Robot Cleaning: An Application of
Distributed Planning and Real-time Vision”, Field and Service Robotics, Springer, Alexander
Zelinsky (ed.), pp187-194, 1998.
Jung, David and Zelinsky, Alexander, “An Architecture for Distributed Cooperative-Planning in a
Behaviour-based Multi-robot System”, to appear in Journal of Robotics & Autonomous Systems
(RA&S), special issue on Field & Service Robotics, 1998.
Jung, David, Heinzmann, Jochen and Zelinsky, Alexander, “Range and Pose Estimation for Visual
Servoing on a Mobile Robotic Target”, Proc. IEEE International Conference on Robotics and
Automation (ICRA), vol. 2 pp1226-1231, Leuven, Belgium, May 1998.
Jung, David and Zelinsky, Alexander, “Whisker-Based Mobile Robot Navigation”, Proceedings of the
IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), vol 2. pp497-504,
November 1996.
Jung, David, Cheng, Gordon and Zelinsky, Alexander, “An Experiment in Realising Cooperation
between Autonomous Mobile Robots”, Fifth International Symposium on Experimental Robotics
(ISER), pp513-524, Barcelona, Catelonia, June 1997.
Jung, David and Zelinsky, Alexander, “Cleaning: An Experiment in Autonomous Robot
Cooperation”, Proceedings of the World Automation Congress (WAC) - International Symposium on
Robotics and Manufacturing (ISRAM), vol 3. pp351-356, Montipellier, France, March, 1996.
Jung, David, Cheng, Gordon and Zelinsky, Alexander, “Robot Cleaning: An Application of
Distributed Planning and Real-time Vision”, International conference on Field and Service Robotics
(FSR), pp513-524, Canberra, Australia, 1997.
Jung, David, Stanley, Ben, Zelinsky, Alex, McKerrow, Phillip, Ohya, Akihisa, Tsubouchi, Takashi and
Yuta, Shin’ichi, “Collaborative Research in Intelligent Autonomous Systems between the
Universities of Wollongong and Tsukuba”, Proceedings of the Australian Robot Association (ARA)
conference, Melbourne, July, pp222-229, 1995
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he research effort into multi-robot systems is driven by the assumption that multiple
agents have advantages over single agents for the solution of some problems. The first
section in this chapter asks what these advantages might be. In particular, we argue that
significant reliability and economic benefits may be had by employing multi-robot cooperative
systems for tasks that could be achieved with a single robot. Once we have established why we
wish to build a cooperative system, we need to look into exactly what FRRSHUDWLRQ LV.
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Section 3.2
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This is followed, in
section 3.3, by a look at specific mechanisms for cooperation in biological V\VWHPV LQ WKH KRSH
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general control architectures and the DFWLRQ VHOHFWLRQ SUREOHP. This is in line with our
approach to addressing the selection of cooperative actions as an extension of the JHQHUDO DFWLRQ
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Finally, section 3.5 summarises and reiterates all the important points we have learnt
about biological and robotic systems in this and the previous chapter. These are considered in
the design of the ABBA architecture presented in the next chapter.
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One obvious advantage of multi-robot systems is that some tasks simply cannot be
accomplished by a single agent. For example, lifting heavy or awkward payloads, or executing
tasks that must be accomplished quickly.
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[Albus et al., 1987]
Albus, J.S., McCain, H.G., and Lumia, R., “NASA/NBS Stanford Reference
Model for Telerobot Control System Architecture (NASREM)”, NIST Technical Note 1235,
NIST, Gaithersburg, MD, July 1987.
[Alter, 1992]
Alter, T. D., “3D Pose from 3 Corresponding Points under Weak-Perspective
Projection”, Massachusetts Institute of Technology, AI Laboratory, A.I. Memo No. 1378, July
1992.
[Aristotle, 350BC]
Aristotle, “Posterior Analytics”, written in Greek, 350BC.
http://classics.mit.edu/Aristotle/posterior.html.
See also
[Arkin, 1989]
Arkin, Ronald C., “Towards the Unification of Navigational Planning and Reactive
Control”, AAAI Spring Symposium on Robot Navigation Working Notes, 1-5, March, 1989.
[Arkin and Hobbs, 1992b] Arkin, R. C. and Hobbs, J. D., “Dimensions of Communication and Social
Organization in Multi-Agent Robotic Systems”, Proc. Simulation of Adaptive Behavior 92,
Honolulu, HI, Dec., 1992.
[Axelrod, 1984] Axelrod, R., “The evolution of cooperation”, New York: Basic Books, 1984.
[Balch and Arkin, 1994] Balch, Tucker and Arkin, Ronald C., “Communication in Reactive
Multiagent Robotic Systems”, Autonomous Robots, 1, 27-52, Kluwer Academic Publishers,
Boston, 1994.
[Barnes and Gray, 1991] Barnes, D. and Gray, J., “Behaviour synthesis for co-operant mobile robot
control”, In international conference proceedings on Control, pp1135-1140, 1991.
[Bennett, 1988] Bennett, Stuart, “Real-Time Computer Control: An Introduction”, Prentice Hall
International series in systems and control engineering. Ed. M. J. Grimble. 1988.
[Blumberg, 1994]
Blumberg, Bruce, “Action-Selection in Hamsterdam: Lessons from
Ethology”, MIT Media-Laboratory, E15-305F, 20 Ames St., Cambridge Ma. 02139, 1994.
[Boden et al., 1996]
Boden, Margaret A., (ed.), “The Philosophy of Artificial Life”, Oxford
Readings in Philosophy, Oxford University Press, ISBN 0-19-875154-0, 1996.
[Bond, 1996]
Bond, Alan H., “An Architectural Model of the Primate Brain”, Dept. of Computer
Science, University of California, Los Angeles, CA 90024-1596, Jan 14, 1996.
[Boznic, 1986]
Boznic, S. M., “Digital and Kalman Filtering”, (GZDUG $UQROG 3XEOLVKHUV [Brady, 1984]
Brady, Michael, “Artificial Intelligence and Robotics”, NATO ASI Series, Vol. F11,
Robotics and Artificial Intelligence, Edited by M. Brady et el., Springer-Verlag Berlin Heidelberg.
1984.
%LEOLRJUDSK\
[Brooks, 1986] Brooks, R. A., “A robust layered control system for a mobile robot”, IEEE Journal
of Robotics and Automation., Volume 2, Number 1, 1986.
[Brooks and Connell, 1987]
Brooks, Rodney A. and Connell, Jonathan H., “Asynchronous
Distributed Control System for a Mobile Robot”, SPIE’s Cambridge Symposium on Optical
and Opto-Electronic Engineering Proceedings, Vol. 727, October, 1986, 77-84.
[Brooks, 1987a] Brooks, Rodney A., “A Hardware Retargetable Distributed Layered Architecture
for Mobile Robot Control”, MIT Artificial Intelligence Lab, Cambridge, Mass, 1987.
[Brooks, 1990] Brooks, Rodney A., “Elephants Don't Play Chess”, Robotics and Autonomous
Systems 6, pp3-15, 1990.
[Brooks, 1991] Brooks, Rodney A., “Intelligence Without Reason”, MIT AI Lab Memo 1293, April
1991. Prepared for Computers and Thought, IJCAI-91.
[Brooks, 1991a] Brooks, Rodney A., “Intelligence Without Representation”, Artificial Intelligence,
47, pp 139-160, 1991.
[Burgess et al., 1995]
Burgess, Neil, Michael, Recce and O’Keefe, John, “Hippocampus: Spatial
Models”, The Handbook of Brain Theory and Neural Networks, Michael A. Arbib (ed.), MIT
Press, Bradford Books, ISBN 0-262-01148-4, pp468, 1995.
[Byrne, 1995]
Byrne, R., “The thinking ape, evolutionary origins of intelligence”, Oxford
University Press, 1995.
[Calvin, 1996] Calvin, William H., “How Brains Think: Evolving intelligence, Then & Now”,
Phoenix publication, ISBN 0 75380 200 7, 1996.
[Cao et al., 1995] Cao, Y. Uny, Fukunaga, Alex S., Kahng, Andrew B. and Meng, Frank, “Cooperative
Mobile Robotics: Antecedents and Directions”, IEEE 0-8186-7108-4/95, 1995.
[Cattoni et al., 1995]
Cattoni, Roldano, Di Caro, Gianni, Aste, Marco and Caprile, Bruno,
“Bridging the Gap between Planning and Reactivity: a Layered Architecture for
Autonomous Indoor Navigation”, IRST - Istituto per la Ricerca Scientifica e Tecnologica, Povo,
I-38050 Trento, Italy.
[Cheney and Seyfarth, 1990]
Cheney, D. L., Seyfarth, R. M., “How Monkeys see the world”,
University of Chicago Press, 1990.
[Cheng and Zelinsky, 1996]
Cheng, Gordon and Zelinsky, Alexander, “Real-Time Visual
Behaviours for Navigating a mobile Robot”, Proceedings of the IEEE/RSJ International
Conference on Intelligent Robots and Systems (IROS), vol 2. pp973. November 1996.
[Churchland et al., 1992] Churchland, P. S. and T. Sejnowski, “The computational brain”, Cambridge,
MA, MIT Press, 1992.
[The Columbia Dictionary of Quotations]
University Press, 1993, 1995.
The Columbia Dictionary of Quotations, Columbia
[Connah and Wavish, 1990]
Connah, David and Wavish, Peter, “An experiment in
Cooperation”, Decentralized A.I., Yves Demazeau & Jean-Pierre Müller (Eds.), Elsevier Science
Publishers B.V. (North Holland), 1990.
$Q $UFKLWHFWXUH IRU &RRSHUDWLRQ DPRQJ $XWRQRPRXV $JHQWV
3K' 7KHVLV ¤ 'DYLG -XQJ
[Cornman et al., 1982]
Cornman, James W., Lehrer, Keith and Pappas, George S., “Philosophical
rd
Problems and Arguments: An Introduction”, 3 Ed., Hackett Publishing Company Inc.,
Indiana, ISBN 0-87220-044-2, 1982.
[Crespi and Choe, 1997] Crespi, B. J. and Choe, J. C. (eds.), “The Evolution of Social Behaviour in
Insects and Arachnids”, Cambridge, Cambridge University Press, 1997.
[Croy and Hughes, 1991] Croy, M. and Hughes, R., “Effects of Food Supply, Hunger, Danger, and
Competition on choice of Foraging Location by the fifteen-spined stickleback”, Animal
Behaviour, Vol. 42, 1991.
[Crutchfield and Young, 1990]
Crutchfield, J. P. and Young, K., “Computation at the Onset of
Chaos”, in “Entropy, Complexity, and Physics of Information”, W. Zurek, editor, SFI Studies in
the Sciences of Complexity, VIII, Addison-Wesley, Reading, Massachusetts, pp 223-269, 1990.
[Damasio, 1994] Damasio, A. R., “Descartes' Error”, Grosset/Putnam, NY., 1994.
[Dautenhahn, 1997]
Dautenhahn, K., “Social modelling - on selfish genes, social robots and the
role of the individual”, submitted to: Int Journal in Computer Simulation, Special issue on the
Simulation of Social Behavior, 1997.
[Dawkins, 1996] Dawkins, Richard, “Climbing Mount Improbable”, Penguin Books Ltd., London,
ISBN 0 14 02.6302 0, 1996.
[Deacon, 1997] Deacon, Terrance, “The Symbolic Species: The co-evolution of language and the
human brain”, Penguin Books, ISBN 0-713-99188-7, 1997.
[Dennett, 1993] Dennett, Daniel C., “Consciousness Explained”, Penguin Books, ISBN 0-14-01.28670, 1993.
[Descartes, 1637] Descartes, R., “Discourse on Method and the Meditations”, 1637, Translated by John
Veitch. Prometheus Books, 1989.
[Diamond, 1991] Diamond, Jared, “The rise and fall of the third chimpanzee”, Vintage Books, ISBN
009 991380 1, 1991.
[Edelman, 1994] Edelman, S., “Biological Constraints and the Representation of Structure”, in
Vision and Language, Psycoloquy 5 (57), 1994.
[Edelman, 1998] Edelman, S., “Representation and Recognition in Vision”, MIT Press, (forthcoming),
1998.
[Everett, 1988] Everett, H. R., “Survey of Collision Aviodance and Ranging Sensors for Mobile
Robots”, Tech. Report No. 1194, Naval Command Control and Ocean Surveillance Center, San
Diego, CA, 29 March, 1988.
[Fearing, 1990] Fearing, R. S., “Tactile Sensing Mechanisms”, The International Journal of Robotics
Research, Vol. 9, No. 3, pp 3-23, June 1990.
[Fodor and Pylyshyn, 1981]
Fodor, J. A. and Pylyshyn, Z. W., “How Direct is Visual
Perception? Some Reflections on Gibson's ‘Ecological Approach’”, Cognition, 9, pp139-196,
1981.
[Ford and Hayes, 1991] Ford, K. and Hayes, P. (eds), “Reasoning Agents in a Dynamic World: The
Frame Problem”, JAI Press, 1991.
%LEOLRJUDSK\
[Gatherer, 1997] Gatherer, Derek, “Macromemetics: Towards a Framework for the Re-unification of
Philosophy”, Journal of Memetics - Evolutionary Models of Information Transmission, 1, 1997,
http://www.cpm.mmu.ac.uk/jom-emit/1997/vol1/gatherer_dg.html.
[Gaussier and Zrehen, 1994]
Gaussier, Philippe and Zrehen, S., “The probabilistic topological
map (ptm): A self-organizing and fast learning neural map that preserves topology”, Neural
Networks, 1994.
[Gaussier et al., 1998]
Gaussier, Philippe, Joulain, C. and Banquet, J. P., “Motivated Animat
navigation: a visually guided approach”, to in appear in proceedings Simulation of Adaptive
Behaviour (SAB), Zurich, 1998.
[Gell-Mann, 1994]
Gell-Mann, Murray, “The Quark and the Jaguar: Adventures in the Simple
and the Complex”, An Abacus Book, London, ISBN 0 349 10649 5, 1994.
[Gill, 1997]
Gill, Jerry H., “If a Chimpanzee Could Talk and Other Reflections on Language
Acquisition”, The University of Arizona Press, ISBN 0-8165-1669-3, 1997.
[Goodwin, 1981] Goodwin, Charles, “Conversational Organization : interaction between speakers
and hearers”, Academic Press, New York and London, 1981.
[Grewal and Andrews, 1993]
Grewal, M.S. and Andrews, A.P., “Kalman Filtering Theory and
Practice”, Prentice-Hall, Englewood Cliffs, New Jersey, 1993.
[Grimsin et al., 1992]
Grimsin, W. E. L., Huttenlocher, D. P., and Alter, T. D., “Recognizing 3D
Objects from 2D Images: An Error Analysis”, in Proc. IEEE Conf. Computer Vision Pat. Rec.,
1992.
[Halliday, 1994] Halliday, T. R., “Sex and evolution”, in Halliday, T. R. and Slater, P. J. B. (eds.),
“Behaviour and Evolution”, Cambridge University Press, ISBN 0-521-41858-5, pp150, 1994.
[Hamilton, 1964] Hamilton, W. D., “The genetical evolution of social behaviour”, Journal of
Theoretical Biology, 7, pp1-16 & 17-52, 1964.
[Haralick and and Shapiro, 1993] Haralick, Robert M., and Shapiro, Linda G., “Computer and Robot
Vision”, Vol. 2, Addison-Wesley Publishing Co., ISBN 0-201-56943-4 (v. 2), 1993.
[Hardcastle, 1992]
Hardcastle, V. G., “Reduction, explanatory extension, and the mind/brain
sciences”, Philosophy of Science 59, pp408-28, 1992.
[Heinzmann and Zelinsky, 1997] Heinzmann, J. and Zelinsky, A., “Robust Real-Time Face Tracking
and Gesture Recognition”, Proceedings of IJCAI'97, International Joint Conference on Artificial
Intelligence, August 1997.
[Horswill, 1994] Horswill, I., “Visual Collision Avoidance by Segmentation”, Proc. Intelligent Robots
and Systems (IROS), pp. 902-909, 1994.
[American Heritage Dictionary, 1992]
Houghton Mifflin Company, Ltd., “The American
Heritage® Dictionary of the English Language”, Third Edition copyright © 1992 by Houghton
Mifflin Company. Electronic version licensed to Microsoft Corporation from INSO Corporation.
[Inaba, 1997]
Inaba, M., “Remote-Brained Robots”, Proceedings of Fifteenth International Joint
Conference on Artificial Intelligence (IJCAI-97), pp 1593-1606, 1997.
$Q $UFKLWHFWXUH IRU &RRSHUDWLRQ DPRQJ $XWRQRPRXV $JHQWV
3K' 7KHVLV ¤ 'DYLG -XQJ
[Inoue, 1985]
Inoue, H. et. al., “A Flexible Multi-Window Vision System for Robots”, Proceeding
nd
of 2 International Symposium on Robotics Research, MIT Press, 1985.
[Jackson, 1994] Jackson, E. Atlee, “The Second Metamorphosis of Science: A Working Paper”,
Technical Report CCSR-94-1, Center for Complex Systems Research, The Beckman Institute,
University of Illinois at Urbana-Champaign, Feburary 1994.
[Jin et al., 1994] Jin, K., Liang, P. and Beni ,G., “Stability of synchronized control of discrete swarm
structures”, Proc. IEEE International Conference on Robotics and Automation (ICRA), pp10331038, 1994.
[Jung et al., 1995]
Jung, David, Stanley, Ben, Zelinsky, Alex, McKerrow, Phillip, Ohya, Akihisa,
Tsubouchi, Takashi and Yuta, Shin’ichi, “Collaborative Research in Intelligent Autonomous
Systems between the Universities of Wollongong and Tsukuba”, Proceedings of the Australian
Robot Association (ARA) conference, Melbourne, July, 1995. pp222-229.
[Jung, 1995b]
Jung, David, “Cooperation between Autonomous Agents”, Proceedings 1995
Yamabico Symposium. Intelligent Robotics Laboratory technical report, University of Tsukuba,
Tsukuba Japan, 1995.
[Jung and Zelinsky, 1996] Jung, David and Zelinsky, Alexander, “Cleaning: An Experiment in
Autonomous Robot Cooperation”, Proceedings of the World Automation Congress (WAC) International Symposium on Robotics and Manufacturing (ISRAM), vol 3. pp351-356,
Montipellier, France, March, 1996.
[Jung and Zelinsky, 1996a]
Jung, David and Zelinsky, Alexander, “Whisker-Based Mobile
Robot Navigation”, Proceedings of the IEEE/RSJ International Conference on Intelligent Robots
and Systems (IROS), vol 2. pp497-504, November 1996.
[Jung and Stanley, 1996b] Jung, David and Stanley, Ben, “Yamabico Autonomous Mobile Robots”,
Intelligent Robotics Laboratory technical report, University of Wollongong, Wollongong,
Australia, 1996.
[Jung et al., 1997]
Jung, David, Cheng, Gordon and Zelinsky, Alexander, “An Experiment in
Realising Cooperation between Autonomous Mobile Robots”, Fifth International Symposium
on Experimental Robotics (ISER), pp513-524, Barcelona, Catelonia, June 1997.
[Jung et al., 1998a]
Jung, David, Heinzmann, Jochen and Zelinsky, Alexander, “Range and Pose
Estimation for Visual Servoing on a Mobile Robotic Target”, Proc. IEEE International
Conference on Robotics and Automation (ICRA), vol 2. pp1226-1231, Leuven, Belgium, May
1998.
[Jung et al., 1998b]
Jung, David, Cheng, Gordon and Zelinsky, Alexander, “Robot Cleaning: An
Application of Distributed Planning and Real-time Vision”, Field and Service Robotics,
Springer, Alexander Zelinsky (ed.), pp187-194, 1998.
[Jung and Zelinsky, 1998c]
Jung, David and Zelinsky, Alexander, “An Architecture for
Distributed Cooperative-Planning in a Behaviour-based Multi-robot System”, Journal of
Robotics & Autonomous Systems (RA&S), special issue on Field & Service Robotics, 1998.
[Kaiser and Losick, 1993] Kaiser, D. and Losick, R., “How and Why Bacteria Talk to Each Other”, in
Cell, Vol. 73, No. 5, pp873-885, June 4, 1993.
%LEOLRJUDSK\
[Kalman, 1961] Kalman, R.E., “New Methods and Results in Linear Filtering and Prediction
Theory”, ASME J. Basic Engineering, Series D, Vol. 83, 1961.
[Kanade et al., 1983]
Kanade, T., and Kender J. R., “Mapping Image Properties into Shape
Constraints: Skew Symmetry, Affine-Transformable Patterns, and the Shape-from-Texture
Paradigm”, Human and Machine Vision, Beck, Hope, and Rosenfeld, Eds., Academic Press,
1983.
[Kanayama, 1983]
Kanayama, Y., “concurrent programming of intelligent robots”, In 8
IJCAI, Karlsruhe (FRG), pp834-838, 1983.
th
[Kapur et al., 1985]
Kapur, D., et al., “Reasoning about Three Dimensional Space”, Proceedings
of the International Conference on Robotics and Automation, St. Louis, MO, 1985, pp. 405-410.
[Kohonen, 1990] Kohonen, Teuvo, “The self-organising map”, Proceedings of IEEE, 78(9):1464-1479,
Sep. 1990.
[David M. Kreps and John Roberts, 1982] David M. Kreps, Paul Milgrom, John Roberts, and Robert
Wilson, “Rational Cooperation in the Finitely Repeated Prisoners' Dilemma”, Journal of
Economic Theory 27, pp 245-52, 1982.
[Kube and Zhang, 1994] Kube, C. Ronald, Zhang, Hong, “Collective Robotics: From Social Insects
to Robots”, Adaptive Behaviour, Vol. 2, No. 2, 189-218. 1994.
[Kuniyoshi et al., 1994] Kuniyoshi, Yasuo, Rougeaux, Sebastien, Ishii, Makoto, Kita, Nobuyuki,
Sakane, Shigeyuki and Kakikura, Masayoshi, “Cooperation by Observation [The framework
and basic task patterns]”, Proceedings of the 1994 IEEE International Conference on Robotics
and Automation, San Diego, California, May 8-13, 1994.
[Lamarck, 1809] Lamarck, Jean Baptiste, “Philosophie Zoologique” (Zoological Philosophy), 1809,
reprinted edition Lubrecht & Cramer Ltd., ISBN 3768200280, December 1960.
[Latombe, 1991] Latombe, J-C, “Robot Motion Planning”, Kluwer Academic Publishers, 1991.
[Leckie-Tarry, 1995]
Leckie-Tarry, Helen, “Language & Context: A functional linguistic theory
of register”, Pinter, London & NewYork, ISBN 1 85567 271 5, 1995.
[Lee, 1996]
Lee, David, “The Map-Building and Exploration Strategies of a Simple SonarEquipped Mobile Robot”, Distinguished Dissertations in Computer Science, Cambridge
University Press, ISBN 0 521 57331 9, 1996.
[Leonard and Durrant-Whyte, 1991]
Leonard, J. J. and Durrant-Whyte, H. F., “Simultaneous
map building and localization for an autonomous mobile robot”, in Proc. IEEE Int. Workshop
on Intelligent Robots and Systems, Osaka, Japan, November, 1991.
[Lorigo, 1997] Lorigo, Liana M., “Visually-Guided Obstacle Avoidance in Unstructured
Environments”, Proceedings Intelligent Robots and Systems (IROS’97), v2, pp 373-379,
Grenoble, France, September 7-11, 1997.
[Ludlow, 1980] Ludlow, A., “The evolution and simulation of a decision maker”, in Toates, F. and
Halliday, T., “Analysis of Motivational Processes”, Academic Press, London, 1980.
[Maes, 1990a] Maes, P., “Situated Agents Can Have Goals.”, Designing Autonomous Agents. Ed: P.
Maes. MIT-Bradford Press, 1991. ISBN 0-262-63135-0. Also published as a special issue of the
Journal for Robotics and Autonomous Systems,Vol. 6, No 1, North-Holland, June 1990.
$Q $UFKLWHFWXUH IRU &RRSHUDWLRQ DPRQJ $XWRQRPRXV $JHQWV
3K' 7KHVLV ¤ 'DYLG -XQJ
[Mallot, 1995] Mallot, Hanspeter A., “Layered Computation in Neural Networks”, The Handbook
of Brain Theory and Neural Networks, Michael A. Arbib (ed.), MIT Press, Bradford Books, ISBN
0-262-01148-4, pp513, 1995.
[Mandik, 1997] Mandik, Pete, entry on Emergence in Eliasmith, Chris (ed.), “Dictionary of
Philosophy of Mind”, web publication of the Department of Philosophy, Washington University,
St. Louis, MO, USA,
http://artsci.wustl.edu/~philos/MindDict/, 1997.
[Matariþ, 1992] Matariþ, Maja J., “Integration of Representation Into Goal-Driven Behavior-Based
Robots”, in IEEE Transactions on Robotics and Automation, Vol. 8, No. 3, June 1992, 304-312.
[Matariþ, 1992a] Matariþ, Maja J., “Behavior-Based Systems: Key Properties and Implications” in
Proceedings, IEEE International Conference on Robotics and Automation, Workshop on
Architectures for Intelligent Control Systems, Nice, France - May 1992, 46-54.
[Matariþ, 1992b] Matariþ, Maja J., “Minimizing Complexity in Controlling a mobile Robot
Population”, Proceedings of the 1992 IEEE International Conference on Robotics and
Automation, Nice, France - May 1992.
[Matariþ, 1994a] Matariþ, Maja J, “Interaction and Intelligent Behavior”, MIT EECS PhD Thesis, May
1994, MIT AI Lab Tech Report AITR-1495, August 1994.
[Matariþ, 1995] Matariþ, Maja J., “Issues and Approaches in the Design of Collective Autonomous
Agents”, to appear in “Moving the Frontiers Between Robotics and Biology”, special issue of
Robotics and Autonomous Systems, Vol. 16, Nos. 2-4, December 1995.
[Maybeck, 1979] Maybeck, P., “Stochastic Models, Estimation and Control”, Vol 1, Academic Press,
1979.
[Maynard Smith, 1978] Maynard Smith, J., “The Evolution of Sex”, Cambridge, Cambridge
University Press, 1978.
[McCarthy and Hayes, 1969]
McCarthy, John and Hayes, Pat, “Philosophical Problems from the
Standpoint of Artificial Intelligence”, Machine Intelligence 4, 1969.
[McFarland and Bösser, 1993]
McFarland, David and Bösser, Thomas, “Intelligent Behavior in
Animals and Robots”, The MIT Press, Massachusetts Institute of Technology, Cambridge,
Massachusetts 02142, ISBN 0-262-13293-1.
[McLauchlan et al., 1994] McLauchlan, P.F., Reid, I.D., Murray, D.W., “Recursive Affine Structure
and Motion from Image Sequences”, Lecture Notes in Computer Science Vol.800, Proceedings
of ECCV'94, pp 217-224, ISBN 3-540-57956-7, Springer Verlag Berlin Heidelberg 1994.
[McLaughlin, 1992]
McLaughlin, Brain P, “The rise and fall of British Emergentism”, in
Beckermann, Ansgar, Flohr, Hans and Kim, Jaegwon (eds.), “Emergence or Reduction? :
Essays on the Prospects of Nonreductive Physicalism”, Walter De Gruyter; ISBN 3110128802,
September 1992.
[Mitchell et al., 1994]
Mitchell, Melanie, Crutchfield, James P., and Hraber, Peter, “Dynamics,
Computation, and the ‘Edge of Chaos’: A Re-Examination”, In “Complexity: Metaphors,
Models, and Reality”, edited by G. Cowan, D. Pines, and D. Meltzer. SFI Studies in the Sciences
of Complexity, Proc. Vol. XIX, 497-513. Reading, MA: Addison-Wesley, 1994.
%LEOLRJUDSK\
[Mitchell, 1997] Mitchell, Melanie, “Theories of Structure versus Theories of Change (Commentary
on T. van Gelder, ‘The Dynamical Hypothesis in Cognitive Science’)”, Submitted to
Behavioral and Brain Sciences, also WWW publication: http://www.santafe.edu/~mm/, 1997.
[Mitchell, 1998] Mitchell, Melanie, “Complexity and the Future of Science”, Santa Fe Institute, 1399
Hyde Park Road, Santa Fe, NM 87501, WWW publication: http://www.santafe.edu/~mm/, 1998.
[Moravcsik, 1992]
Moravcsik, J., “Plato and Platonism”, Cambridge, MA: Blackwell, 1992.
[Moravec, 1980] Moravec, Hans P., “Obstacle Avoidance and Navigation in the Real World by a
Seeing Robot Rover”, Ph.D. thesis, Stanford University, Stanford, California, May 1980.
Available as Stanford AIM-340, CS-80-813 and CMU-RI-TR-3.
[Muller et al., 1991]
Muller, R. U., Kubie, J. L., Bostock, E. M., Taube, J. S. and Quirk, G. J.,
“Spatial firing correlates of neurons in the hippocampal formation of freely moving rats”,
Brain and Space, Paillard (Ed.), Oxford: Oxford University Press, pp 296-333, 1991.
[Neibur, 1995] Neibur, Dagmar, “An Example Of Unsupervised Networks Kohonen’s Self
Organizing Feature Map”, NASA Jet Propulsion Laboratory (JPL) technical report 826,
California Institute of Technology, PaswJenajCA91109, http://techreports.jpl.nasa.gov/1995/1995abs.htm, 1995.
[Newell and Simon, 1976] Newell, A. and Simon, H.A., “Computer science as empirical enquiry:
symbols and search”, Communications of the Association for Computing Machinery, 19, 113126, 1976.
[Nicholls and Lee, 1989] Nicholls, Howard R. and Lee, Mark H., “A Survey of Robot Tactile Sensing
Technology”, The International Journal of Robotics Research, Vol. 8, No 3, pp. 3-29, June 1989.
[O’Keefe, 1991] O’Keefe, J., “The hippocampal cognitive map and navigational strategies”, Brain
and Space, Paillard (Ed.), Oxford: Oxford University Press, pp 273-295, 1991.
[Parker, 1994b] Parker, Lynne E., “ALLIANCE: An Architecture for Fault Tolerant Multi-Robot
Cooperation”, submitted to IEEE Transactions on Robotics and Automation, December 1994
(available as ORNL/TM-12920, February 1995)
[Parker, 1995] Parker, Lynne E., “The Effect of Action Recognition and Robot Awareness in
Cooperative Robotic Teams”, IEEE 0-8186-7108-4/95, 1995.
[Pasteels et al., 1987]
Pasteels, J. M., Deneubourg, J. and Goss, S., “Self-organization mechanisms
in ant societies: Trail recruitement to newly discovered food sources”, in Pasteels, J. M. and
Deneubourg, J. (eds.), “From individual to collective behavior in social insects”, Basel: Birkäuser
Verlag, 1987.
[Pavlov, 1926]
Pavlov, Ivan Petrovich, “Conditioned reflexes”, Oxford University Press, 1926.
[Pfeifer, 1995] Pfeifer, Rolf, “Cognition - Perspectives from autonomous agents”, Robotics and
Autonomous Systems 15, pp47-70, 1995.
[Pylyshym, 1987]
Pylyshym, Z. W. (ed.), “The Robot's Dilemma. The Frame Problem in
Artifical Intelligence”, 1987.
[Pöppel and Schill, 1995] Pöppel, Ernst and Schill, Kerstin, “Time Perception: Problems for
Representation and Processing”, The Handbook of Brain Theory and Neural Networks, Michael
A. Arbib (ed.), MIT Press, Bradford Books, ISBN 0-262-01148-4, pp987-990, 1995.
$Q $UFKLWHFWXUH IRU &RRSHUDWLRQ DPRQJ $XWRQRPRXV $JHQWV
3K' 7KHVLV ¤ 'DYLG -XQJ
[Rapoport et al., 1976]
Rapoport, A., Guyer, M.J., and Gordon, D.G., “The 2×2 Game”, Ann Arbor,
MI: University of Michigan Press, 1976.
[Rencken, 1993] Rencken, W. D., “Concurrent Localisation and Map Building for Mobile Robots
Using Ultrasonic Sensors”, Proc. IEEE/RSJ International Conference on Intelligent Robots and
Systems (IROS’93), v3. pp2192, July 1993.
[Rhodes, 1995] Rhodes, Bradley, “Pronomes in Behaviour Nets”, Tech. Report #95-01, MIT Media
Lab, Learning and Common Sense Section. Jan 1995.
[Riekki and Kuniyoshi, 1996]
Riekki, J. and Kuniyoshi, Y., “Behavior Cooperation Based on
Markers and Weighted Signals”, Proceedings of the World Automation Congress (WAC) International Symposium on Robotics and Manufacturing (ISRAM), Montipellier, France, March,
1996.
[Rosenblatt, 1997]
Rosenblatt, Julio K., “DAMN: A Distributed Architecture for Mobile
Navigation”, PhD thesis, The Robotics Institute, Carnegie Mellon University, Pittsburgh,
Pennsylvania 15213, CMU-RI-TR-97-01, 1997.
[Russell, 1985] Russell, R. A., “Object Recognition Using Articulated Whisker Probes”,
th
Proceedings of the 15 ISIR, Tokyo, pp. 605-11, 1985.
[Russell, 1990]
Russell, Andrew R., “Robot Tactile Sensing”, Prentice Hall, ISBN 0 13 781592 1.
[Smith et al., 1990]
Smith, R., Self, M. and Cheesman P., “Estimating uncertain spatial
relationships in robotics”, in I. Cox and G. Wilfong (eds.), Autonomous Robot Vehicles, Springer
Verlag, 1990.
[Squire, 1992] Squire, L. R., “Memory and the hippocampus: a synthesis from findings with rats,
monkeys, and humans”, Psychological Review 3, pp172-179, 1992.
[Srinivasan et al., 1995] Srinivasan, M.V., Chahl, J.S., Nagle, M.G., Weber, K., Venkatesh, S. and
Zhang, S.W., “Low-level vision in insects, and applications to robot navigation”, In:
Computational Intelligence: A Dynamic System Perspective, M. Palaniswami, Y. Attikouzel, R.J.
Marks, D. Fogel, and T. Fukuda (eds), IEEE Press, Piscataway, N.J. pp. 312-326, 1995.
[Srinivasan et al., 1997] Srinivasan, M.V., Chahl, J.S., and Zhang, S.W., , “Robot navigation by
visual dead-reckoning: inspiration from insects”, International Journal of Pattern Recognition
and Artificial Intelligence, Vol. 11, No. 1, pp 35-47, 1997.
[Stains, 1984]
Stains, H. J., “Carnivores”, in Anderson, S. and Jones, J. K. Jr. (eds.), “Orders and
Families of Recent Mammals of the World”, John Wiley and Sons, N.Y., pp491-521, 1984.
[Steels, 1990]
Steels, Luc, “Cooperation between Distributed Agents through Self-Organisation”,
VUB AI Lab, Pleinlaan 2, 1050 Brussels Belgium, IEEE IROS 90.
[Steels, 1992]
Steels, L., “The PDL reference manual”, memorandum No. 92-5, Brussels: VUB AI
Lab. 1992.
[Steels and Brooks, 1995] Steels, Luc and Brooks, Rodney (eds.), “The Artificial Life Route to
Artificial Intelligence: Building Embodied, Situated Agents”, Lawrence Erlbaum Associates,
Publishers, Hove UK. ISBN-0-8058-1518-X, 1995.
[Steels, 1996]
Steels, Luc, “The origins of intelligence”, Proceedings of the Carlo Erba Foundation,
Meeting on Artificial Life. Fondazione Carlo Erba. Milano, March 12, 1996.
%LEOLRJUDSK\
[Steels, 1996a] Steels, Luc, “Synthesising the origins of language and meaning using co-evolution,
self-organisation and level formation”, Artificial Intelligence Laboratory, Vrije Universiteit
Brussel. In: Hurford, J. (ed.) Evolution of Human Language, Edinburgh University Press.
Edinburgh, July 1996.
[Steels, 1996d] Steels, Luc, “Perceptually grounded meaning creation”, In: Tokoro, M. (ed.)
Proceedings of ICMAS-96, Kyoto 1996. Calif, AAAI Press.
[Stein, 1997]
Stein, L. A., “PostModular Systems: Architectural Principles for Cognitive
Robotics”, Cybernetics and Systems, 28(6), pp471-487, September 1997.
[Sycara, 1994] Sycara, Katia P., “A Computational Model of Negotiation in Concurrent
Engineering”, Concurrent Engineering: Research and Applications, 1994 Conference. The
Robotics Institute, Carnegie Mellon University, Pittsburgh, PA 15213.
[Tarnas, 1991] Tarnas, Richard, “The Passion of the Western Mind”, Pimlico, London, ISBN 07126-7332-6, 1991.
[Tennenholtz and Shoham, 1992] Tennenholtz, Moshe and Shoham, Yoav, “Emergent Conventions in
Multi-Agent Systems”, Robotics Laboratory, Department of Computer Science, Stanford
University, CA 94305. Proceedings of KR, Boston, 1992.
[Thomson, 1993] Thomson, Keith Steward, “The common but less frequent loon and other essays”,
Yale University Press, New Haven and London, ISBN 0-300-05630-3, 1993.
[Townsend and Busemeyer, 1995] Townsend, James T. and Busemeyer, Jerome, “Dynamic
Representation of Decision-Making”, in Port, Robert F. and van Gelder, Timothy (eds.), “Mind
as Motion: explorations in the dynamics of cognition”, A Bradford book, ISBN 0-262-16150-8,
pp101, 1995.
[Trivers, 1971] Trivers, R. L., “The evolution of reciprocal altruism”, Quarterly review of biology,
46, pp35-57, 1971.
[Tylor, 1958]
Tylor, Edward Burnett, “Primitive Culture Volume 11: Religion in Primitive
Culture”, New York: Harper Torchbook, 1958 (1871).
[Tyrrell, 1993] Tyrrell, Toby, “Computational Mechanisms for Action Selection”, PhD Thesis,
University of Edinburgh, 1993.
[Van Gelder, 1995]
Van Gelder, T., “What might cognition be, if not computation?”, Journal of
Philosophy, 91, 345-381, 1995.
[Wheeler, 1996] Wheeler, Michael, “From Robots to Rothko: The Bringing Forth of Worlds”, in
Boden, Margaret A., (ed.), “The Philosophy of Artificial Life”, Oxford Readings in Philosophy,
Oxford University Press, ISBN 0-19-875154-0, pp 209-236, 1996.
[Wilson, 1971] Wilson, E. O., “The Insect Societies: Their Origin and Evolution”, New York:
Narcourt, Brace & Co., 1971.
[Wilson, 1975]
Wilson, E. O., “Sociobiology: The New Synthesis”, Harvard, 1975.
[Wright, 1995] Wright, Robert, “The Moral Animal : Why We Are the Way We Are : The New
Science of Evolutionary Psychology”, Vintage Books, Luann Walther (Ed.), ISBN:0679763996,
1995.
$Q $UFKLWHFWXUH IRU &RRSHUDWLRQ DPRQJ $XWRQRPRXV $JHQWV
3K' 7KHVLV ¤ 'DYLG -XQJ
[Yuta and Premvuti, 1990]Yuta, Shin'ichi and Premvuti, Suparerk, “Consideration on the Cooperation
of Multiple Autonomous Mobile Robots”, IEEE International Workshop on Intelligent Robots
and Systems (IROS '90).
[Yuta et al., 1991]
Yuta, S., Suzuki, S. and Iida, S., “Implementation of a small size
experimental self-contained autonomous robot - sensors, vehicle control, and description of
sensor based behavior”, Proc. Experimental Robotics, Tolouse, France, LAAS/CNRS (1991).
[Zelinsky et al., 1993a] Zelinsky, A., Jarvis, R.A., Byrne, J. and Yuta, S., “Planning Paths of
Complete Coverage of an unstructured Environment by a Mobile Robot”, International
Conference on Advanced Robotics (ICAR), pp533-538, Tokyo, Japan, November 1993.
[Zelinsky et al., 1994]
Zelinsky, A., Kuniyoshi, Y. and Tsukune H., “Monitoring and Coordinating
Behaviours for Purposive Robot Navigation”, Proceedings of Intelligent Robotic Systems
Conference (IROS), Munich, Germany, Sept. 1994.
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