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- research-articleSeptember 2023
Neuro-augmented vision for evolutionary robotics
Machine Vision and Applications (MVAA), Volume 34, Issue 6https://doi.org/10.1007/s00138-023-01453-8AbstractThis paper presents neuro-augmented vision for evolutionary robotics (NAVER), which aims to address the two biggest challenges in camera-equipped robot evolutionary controllers. The first challenge is that camera images typically require many ...
- research-articleMarch 2023
Congestion aware ant colony optimisation algorithm for routing and spectrum assignment in flexi-grid optical burst switching networks
Photonic Network Communications (SPPNC), Volume 45, Issue 2Pages 67–78https://doi.org/10.1007/s11107-023-00993-3AbstractThis paper presents an improved distributed ant colony optimisation algorithm for routing and spectrum assignment (RSA) on optical burst switched (OBS), flexible spectrum networks, with the spectrum continuity constraint imposed. The improved ...
- research-articleJuly 2022
Bootstrapped Neuro-Simulation for Damage Recovery in Complex Robots
2022 IEEE Congress on Evolutionary Computation (CEC)Pages 1–8https://doi.org/10.1109/CEC55065.2022.9870204Bootstrapped Neuro-Simulation is a technique in which a Neural Network Simulator, used for the evaluation of controllers during the Evolutionary Robotics process, is trained concurrently with the evolution of the controllers themselves. This removes the ...
- research-articleJune 2021
Adaptive Navigation Strategies in Evolutionary Robotics Controllers with Location Perception
2021 IEEE Congress on Evolutionary Computation (CEC)Pages 2499–2506https://doi.org/10.1109/CEC45853.2021.9504759This research proposed augmenting Evolutionary Robotics controllers with their own robotic simulator. The motivation behind this idea is that the controller could use the simulator to approximate the effects of its actions. This would allow the controller ...
- research-articleFebruary 2021
Evolutionary Robotics Controllers with Proprioception Facilitated by Neural-Network-Based Simulators
Taking inspiration from the navigation ability of humans, this study investigated a method of providing robotic controllers with a basic sense of position. It incorporated robotic simulators into robotic controllers to provide them with a mechanism to ...
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- research-articleFebruary 2020
Bootstrapped Neuro-Simulation as a method of concurrent neuro-evolution and damage recovery
Robotics and Autonomous Systems (ROAS), Volume 124, Issue Chttps://doi.org/10.1016/j.robot.2019.103398AbstractBootstrapped Neuro-Simulation (BNS) is a method of concurrent simulator and robot controller evolution. The algorithm requires little domain knowledge and no pre-investigation data gathering. Additionally, it bridges the reality gap ...
Highlights- Bootstrapped Neuro-Simulation is shown to evolve closed-loop controllers.
- The ...
- research-articleMarch 2019
Analysis of Ant Colony Optimization on a Dynamically Changing Optical Burst Switched Network with Impairments
ISMSI '19: Proceedings of the 2019 3rd International Conference on Intelligent Systems, Metaheuristics & Swarm IntelligencePages 1–7https://doi.org/10.1145/3325773.3325775The ability of an Ant Colony Optimization (ACO) algorithm to adapt on a dynamical network is considered. A previous ACO implementation which was tested on a static Optical Burst Switched (OBS) network with impairments has been altered to be simulated on ...
- research-articleSeptember 2018
Dropout algorithms for recurrent neural networks
SAICSIT '18: Proceedings of the Annual Conference of the South African Institute of Computer Scientists and Information TechnologistsPages 72–78https://doi.org/10.1145/3278681.3278691In the last decade, hardware advancements have allowed for neural networks to become much larger in size. Dropout is a popular deep learning technique which has shown to improve the performance of large neural networks. Recurrent neural networks are ...
- research-articleJuly 2018
Robotic snake simulation using ensembles of artificial neural networks in evolutionary robotics
GECCO '18: Proceedings of the Genetic and Evolutionary Computation ConferencePages 173–180https://doi.org/10.1145/3205455.3205507The Evolutionary Robotics process requires the evaluation of large numbers of robot controllers in order to determine their relative fitnesses. The evaluation of many controllers is typically performed in simulation instead of real-world hardware in ...
- articleJune 2017
Neuroevolution of Inverted Pendulum Control: A Comparative Study of Simulation Techniques
Journal of Intelligent and Robotic Systems (JIRS), Volume 86, Issue 3-4Pages 419–445https://doi.org/10.1007/s10846-017-0465-1The inverted pendulum control problem is a classical benchmark in control theory. Amongst the approaches to developing control programs for an inverted pendulum, the evolution of Artificial Neural Network (ANN) based controllers has received some ...
- research-articleFebruary 2017
Concurrent controller and Simulator Neural Network development for a snake-like robot in Evolutionary Robotics
Robotics and Autonomous Systems (ROAS), Volume 88, Issue CPages 37–50https://doi.org/10.1016/j.robot.2016.11.018Evolutionary Robotics (ER) is a field of study that has shown much promise in automating the development of robotic controllers and morphologies. The use of simulators as an alternative to real-world robots is often employed to reduce the time required ...
- research-articleFebruary 2016
Concurrent controller and Simulator Neural Network development for a differentially-steered robot in Evolutionary Robotics
Robotics and Autonomous Systems (ROAS), Volume 76, Issue CPages 80–92https://doi.org/10.1016/j.robot.2015.10.011Evolutionary Robotics (ER) strives for the automatic creation of robotic controllers and morphologies. The ER process is normally performed in simulation in order to reduce the time required and robot wear. Simulator development is a time consuming ...
- bookDecember 2015
Advances in Nature and Biologically Inspired Computing: Proceedings of the 7th World Congress on Nature and Biologically Inspired Computing
- Nelishia Pillay,
- Andries P. Engelbrecht,
- Ajith Abraham,
- Mathys C. du Plessis,
- Václav Snásel,
- Azah Kamilah Muda
World Congress on Nature and Biologically Inspired Computing (NaBIC) is organized to discuss the state-of-the-art as well as to address various issues with respect to Nurturing Intelligent Computing Towards Advancement of Machine Intelligence. This ...
- research-articleJanuary 2015
Self-Adapting the Brownian Radius in a Differential Evolution Algorithm for Dynamic Environments
FOGA '15: Proceedings of the 2015 ACM Conference on Foundations of Genetic Algorithms XIIIPages 114–128https://doi.org/10.1145/2725494.2725505Several algorithms aimed at dynamic optimisation problems have been developed. This paper reports on the incorporation of a self-adaptive Brownian radius into competitive differential evolution (CDE). Four variations of a novel technique to achieving ...
- research-articleOctober 2013
Design and parametric considerations for artificial neural network pruning in UCT game playing
SAICSIT '13: Proceedings of the South African Institute for Computer Scientists and Information Technologists ConferencePages 209–217https://doi.org/10.1145/2513456.2513477The Upper Confidence for Trees (UCT) algorithm has been shown to perform well in complex games, but samples undesirable areas of the search space when building its game tree. This paper explores the design and parametric considerations for augmenting ...
- research-articleOctober 2011
Does Chomsky complexity affect genetic programming computational requirements?
SAICSIT '11: Proceedings of the South African Institute of Computer Scientists and Information Technologists Conference on Knowledge, Innovation and Leadership in a Diverse, Multidisciplinary EnvironmentPages 31–39https://doi.org/10.1145/2072221.2072226This paper presents an exploration into the relationship between Chomsky problem complexity, as defined by Theory of Computation, and the computational requirements to evolve solutions to these problems. Genetic programming is used to explore these ...
- short-paperOctober 2010
Toward database inference by GUI analysis: a case study
SAICSIT '10: Proceedings of the 2010 Annual Research Conference of the South African Institute of Computer Scientists and Information TechnologistsPages 346–349https://doi.org/10.1145/1899503.1899542Database system development is a code intensive, time consuming task for a developer. It is suggested that the underlying database and program code can be inferred from a well designed Graphical User Interface (GUI). GUI analysis DEvelopment (GUIDE) is ...
- research-articleOctober 2009
Towards an artificial neural network-based simulator for behavioural evolution in evolutionary robotics
SAICSIT '09: Proceedings of the 2009 Annual Research Conference of the South African Institute of Computer Scientists and Information TechnologistsPages 170–178https://doi.org/10.1145/1632149.1632171It is not apparent to employ an Artificial Neural Network (ANN) as simulator structure during the Evolutionary Robotics (ER) process. Consequently, the potential for the use of an ANN in this regard has been investigated in this paper. This simulator ...
- research-articleOctober 2009
A hybrid neural network and Minimax algorithm for zero-sum games
SAICSIT '09: Proceedings of the 2009 Annual Research Conference of the South African Institute of Computer Scientists and Information TechnologistsPages 54–59https://doi.org/10.1145/1632149.1632158This paper describes a hybrid approach to creating computer players for zero-sum games. This novel approach consists of a modified Minimax algorithm and a neural network. The standard Minimax algorithm requires too much processing time to be useful in ...
- research-articleOctober 2008
Models towards a hybrid conversational agent for contact centres
SAICSIT '08: Proceedings of the 2008 annual research conference of the South African Institute of Computer Scientists and Information Technologists on IT research in developing countries: riding the wave of technologyPages 200–209https://doi.org/10.1145/1456659.1456683The usability of touch-tone Interactive Voice Response (IVR) systems is dismal. Clients would rather speak to a contact centre agent than navigate through the menu structure found in these systems. Contact centres, due to a variety of reasons, most ...