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Drop-coated titanium dioxide memristors (2013)
Journal Article
Gale, E., Mayne, R., Adamatzky, A., & De Lacy Costello, B. (2014). Drop-coated titanium dioxide memristors. Materials Chemistry and Physics, 143(2), 524-529. https://doi.org/10.1016/j.matchemphys.2013.09.013

The fabrication of memristors by drop-coating sol-gel Ti(OH)4 solution onto either aluminium foil or sputter-coated aluminium on plastic is presented. The gel layer is thick, 37 μm, but both devices exhibit good memristance I-V profiles. The drop coa... Read More about Drop-coated titanium dioxide memristors.

Nano-assembly with cells from particle interaction based on collisions of mobile localizations in cellular automata (2013)
Presentation / Conference
Martinez, G. J., & Adamatzky, A. (2013, November). Nano-assembly with cells from particle interaction based on collisions of mobile localizations in cellular automata. Poster presented at 5° Encuentro de la Red de Nanociencia y Micro-Nanotecnologías, Mexico city, Mexico

An automatic process is proposed by construct nano-assambly devices, derived from a set of synchorinsed collisions between multiple particles, such an automation is based on programming regular expressions and finite state machines.

Logic gates and complex dynamics in a hexagonal cellular automaton: The spiral rule (2013)
Journal Article
Basurto, R., León, P., Martinez, G. J., & Mora, J. C. (2013). Logic gates and complex dynamics in a hexagonal cellular automaton: The spiral rule. Journal of Cellular Automata, 8(1-2), 53-71

In previous works, hexagonal cellular automata (CA) have been studied as a variation of the famous Game of Life CA, mainly for spiral phenomena simulations; where the most interesting constructions are related to the Belousov-Zhabotinsky reaction. In... Read More about Logic gates and complex dynamics in a hexagonal cellular automaton: The spiral rule.

Towards slime mould chemical sensor: Mapping chemical inputs onto electrical potential dynamics of Physarum Polycephalum (2013)
Journal Article
Whiting, J. G. H., de Lacy Costello, B. P. J., & Adamatzky, A. (2014). Towards slime mould chemical sensor: Mapping chemical inputs onto electrical potential dynamics of Physarum Polycephalum. Sensors and Actuators B: Chemical, 191, 844-853. https://doi.org/10.1016/j.snb.2013.10.064

Plasmodium of slime mould Physarum polycephalum is a large single celled organism visible unaided by the eye. This slime mould is capable of optimising the shape of its protoplasmic networks in spatial configurations of attractants and repellents. Su... Read More about Towards slime mould chemical sensor: Mapping chemical inputs onto electrical potential dynamics of Physarum Polycephalum.

Computation of the travelling salesman problem by a shrinking blob (2013)
Journal Article
Jones, J., & Adamatzky, A. (2014). Computation of the travelling salesman problem by a shrinking blob. Natural Computing, 13(1), 1-16. https://doi.org/10.1007/s11047-013-9401-x

The travelling salesman problem (TSP) is a well known and challenging combinatorial optimisation problem. Its computational intractability has attracted a number of heuristic approaches to generate satisfactory, if not optimal, candidate solutions. S... Read More about Computation of the travelling salesman problem by a shrinking blob.

Metachronal waves in cellular automata: Cilia-like manipulation in actuator arrays (2013)
Presentation / Conference
Georgilas, I., Adamatzky, A., Barr, D., Dudek, P., & Melhuish, C. (2013, September). Metachronal waves in cellular automata: Cilia-like manipulation in actuator arrays. Paper presented at VI International Workshop on Nature Inspired Cooperative Strategies for Optimization (NICSO 2013), Canterbury, UK

Paramecium is covered by cilia. It uses the cilia to swim and transport food particles to its mouth. The cilia are synchronised into a collective action by propagating membrane potential and mechan- ical properties of their underlying membrane and th... Read More about Metachronal waves in cellular automata: Cilia-like manipulation in actuator arrays.

UAV horizon tracking using memristors and cellular automata visual processing (2013)
Presentation / Conference
Georgilas, I., Gale, E., Adamatzky, A., & Melhuish, C. (2013, August). UAV horizon tracking using memristors and cellular automata visual processing. Paper presented at TAROS 2013, The 14th Conference Towards Autonomous Robotic Systems, St Anne's College, Oxford, UK

Unmanned Aerial Vehicles (UAV)s can control their altitude and orientation using the horizon as a reference. Typically this task is performed via edge-detection vision processing techniques implemented in a computer or digital electronics. We demonst... Read More about UAV horizon tracking using memristors and cellular automata visual processing.

Local semidefinite programming-based node localization system for wireless sensor network applications (2013)
Journal Article
Li, S., Wang, X., Zhao, S., Wang, J., & Li, L. (2014). Local semidefinite programming-based node localization system for wireless sensor network applications. IEEE Systems Journal, 8(3), 879-888. https://doi.org/10.1109/JSYST.2013.2260625

Node localization has been identified as a fundamental and essential issue in wireless sensor networks (WSNs), which is able to determine nodes' locations in location-aware applications and provide different types of services based on the location in... Read More about Local semidefinite programming-based node localization system for wireless sensor network applications.

Adaptive and secure load-balancing routing protocol for service-oriented wireless sensor networks (2013)
Journal Article
Li, S., Zhao, S., Wang, X., Zhang, K., & Li, L. (2014). Adaptive and secure load-balancing routing protocol for service-oriented wireless sensor networks. IEEE Systems Journal, 8(3), 858-867. https://doi.org/10.1109/JSYST.2013.2260626

Service-oriented architectures for wireless sensor networks (WSNs) have been proposed to provide an integrated platform, where new applications can be rapidly developed through flexible service composition. In WSNs, the existing multipath routing sch... Read More about Adaptive and secure load-balancing routing protocol for service-oriented wireless sensor networks.

Does the D.C. response of memristors allow robotic short-term memory and a possible route to artificial time perception? (2013)
Presentation / Conference
Gale, E., de Lacy Costello, B., & Adamatzky, A. (2013, May). Does the D.C. response of memristors allow robotic short-term memory and a possible route to artificial time perception?. Paper presented at Workshop Unconventional Approaches to Robotics, Automation and Control Inspired by Nature (UARACIN) in:, Karlsruhe

Time perception is essential for task switching, and in the mammalian brain appears alongside other processes. Memristors are electronic components used as synapses and as models for neurons. The d.c. response of memristors can be considered as a typ... Read More about Does the D.C. response of memristors allow robotic short-term memory and a possible route to artificial time perception?.

Manipulating with excitations: Waves or gliders? (2013)
Presentation / Conference
Georgilas, I., Adamatzky, A., & Melhuish, C. (2013, May). Manipulating with excitations: Waves or gliders?. Paper presented at ICRA 2013 Workshop - Unconventional Approaches to Robotics, Automation and Control, Inspired by Nature (UARACIN), Karlsruhe, Germany

Excitable media are classical examples of un- conventional computing devices. Using waves to represent information and wave interactions to represent information processing, excitable media achieve computation versatility comparable to traditional te... Read More about Manipulating with excitations: Waves or gliders?.

Discrete and fuzzy dynamical genetic programming in the XCSF learning classifier system (2013)
Journal Article
Preen, R., & Bull, L. (2014). Discrete and fuzzy dynamical genetic programming in the XCSF learning classifier system. Soft Computing, 18(1), 153-167. https://doi.org/10.1007/s00500-013-1044-4

A number of representation schemes have been presented for use within learning classifier systems, ranging from binary encodings to neural networks. This paper presents results from an investigation into using discrete and fuzzy dynamical system repr... Read More about Discrete and fuzzy dynamical genetic programming in the XCSF learning classifier system.

Dynamical genetic programming in XCSF (2013)
Journal Article
Preen, R. J., Preen, R., & Bull, L. (2013). Dynamical genetic programming in XCSF. Evolutionary Computation, 21(3), 361-387. https://doi.org/10.1162/EVCO_a_00080

A number of representation schemes have been presented for use within learning classifier systems, ranging from binary encodings to artificial neural networks. This paper presents results from an investigation into using a temporally dynamic symbolic... Read More about Dynamical genetic programming in XCSF.

Imitation programming unorganised machines (2013)
Book Chapter
Bull, L. (2013). Imitation programming unorganised machines. In X. Yang (Ed.), Artificial Intelligence, Evolutionary Computing and Metaheuristics: in the Footsteps of Alan Turing (63-81). Springer

In 1948 Alan Turing presented a general representation scheme by which to achieve artificial intelligence – his unorganised machines. Further, at the same time as also suggesting that natural evolution may provide inspiration for search, he noted tha... Read More about Imitation programming unorganised machines.

Toward turing’s A-type unorganised machines in an unconventional substrate: A dynamic representation in compartmentalised excitable chemical media (2013)
Book Chapter
Bull, L., Holley, J., De Lacy Costello, B., & Adamatzky, A. (2013). Toward turing’s A-type unorganised machines in an unconventional substrate: A dynamic representation in compartmentalised excitable chemical media. . Springer. https://doi.org/10.1007/978-3-642-37225-4_11

© Springer-Verlag Berlin Heidelberg 2013. Turing presented a general representation scheme by which to achieve artificial intelligence – unorganised machines. Significantly, these were a form of discrete dynamical system and yet such representations... Read More about Toward turing’s A-type unorganised machines in an unconventional substrate: A dynamic representation in compartmentalised excitable chemical media.