All Outputs (13)

Deployment of a distributed multi-agent architecture for transformable assembly (2018)
Presentation / Conference Contribution
Chaplin, J. C., & Ratchev, S. (2018, January). Deployment of a distributed multi-agent architecture for transformable assembly. Presented at 8th IFIP WG 5.5 International Precision Assembly Seminar, IPAS 2018, Chamonix, France

Industry 4.0 represents a new philosophy in manufacturing systems, based on networked, intelligent, and cooperative resources. This revolution is necessary to make the cost-effective production of batch-size-of-one customised items in high-value manu... Read More about Deployment of a distributed multi-agent architecture for transformable assembly.

Towards a cloud-based analytics framework for assembly systems (2018)
Book Chapter
Terrazas, G., de Silva, L., & Ratchev, S. (2018). Towards a cloud-based analytics framework for assembly systems. In S. Ratchev (Ed.), Precision assembly in the digital age: 8th IFIP WG5.5 International Precision Assembly Seminar, IPAS 2108, Chamonix, France, January 14-16, 2018: revised selected papers (134-141). Springer. https://doi.org/10.1007/978-3-030-05931-6_13

Advanced digitalization together with the rise of cloud technologies is a key enabler for a fundamental paradigm shift known as Industry 4.0 which pro-poses the integration of the new generation of ICT solutions for the monitoring, adaptation, simula... Read More about Towards a cloud-based analytics framework for assembly systems.

A Low-Cost Automated Fastener Painting Method Based on Machine Vision (2018)
Presentation / Conference Contribution
Zhao, R., Drouot, A., Griffin, J., Crossley, R., & Ratchev, S. (2018, January). A Low-Cost Automated Fastener Painting Method Based on Machine Vision. Presented at 8th IFIP WG 5.5 International Precision Assembly Seminar, IPAS 2018, Chamonix, France

Fastener painting of aerospace structures, in particular legacy products , relies heavily on the skill or rather craftsmanship of the human operator. This process is time-consuming while automated operations with industrial robots can be a more effic... Read More about A Low-Cost Automated Fastener Painting Method Based on Machine Vision.

Trade-off study of a variation aware determinate wing assembly against a traditional assembly strategy (2018)
Presentation / Conference Contribution
Bacharoudis, K., Bakker, O. J., Popov, A., & Ratchev, S. Trade-off study of a variation aware determinate wing assembly against a traditional assembly strategy. Presented at 8th EASN-CEAS International Workshop on Manufacturing for Growth & Innovation, Glasgow, UK

The present study introduces a trade-off framework to evaluate assembly concepts to make informed decisions for aircraft wing structures. This includes (1) the design of the assembly concepts and the estimation of the probability of achieving specifi... Read More about Trade-off study of a variation aware determinate wing assembly against a traditional assembly strategy.

Online Tool Wear Classification during Dry Machining Using Real Time Cutting Force Measurements and a CNN Approach (2018)
Journal Article
Terrazas, G., Martínez-Arellano, G., Benardos, P., & Ratchev, S. (2018). Online Tool Wear Classification during Dry Machining Using Real Time Cutting Force Measurements and a CNN Approach. Journal of Manufacturing and Materials Processing, 2(4), Article 72. https://doi.org/10.3390/jmmp2040072

The new generation of ICT solutions applied to the monitoring, adaptation, simulation and optimisation of factories are key enabling technologies for a new level of manufacturing capability and adaptability in the context of Industry 4.0. Given the a... Read More about Online Tool Wear Classification during Dry Machining Using Real Time Cutting Force Measurements and a CNN Approach.

In-process tool wear prediction system based on machine learning techniques and force analysis (2018)
Journal Article
Gouarir, A., Martínez-Arellano, G., Terrazas, G., Benardos, P., & Ratchev, S. (2018). In-process tool wear prediction system based on machine learning techniques and force analysis. Procedia CIRP, 77, 501-504. https://doi.org/10.1016/j.procir.2018.08.253

This paper presents an in-process tool wear prediction system, which uses a force sensor to monitor the progression of the tool flank wear and machine learning (ML), more specifically, a Convolutional Neural Network (CNN) as a method to predict tool... Read More about In-process tool wear prediction system based on machine learning techniques and force analysis.

OPTIMISED – Developing a State of the Art System for Production Planning for Industry 4.0 in the Construction Industry -Based Optimisation (2018)
Presentation / Conference Contribution
Teufl, S., Owa, K., Steinhauer, D., Castro, E., Herries, G., John, R., & Ratchev, S. (2018, July). OPTIMISED – Developing a State of the Art System for Production Planning for Industry 4.0 in the Construction Industry -Based Optimisation. Presented at 25th ISPE Inc. International Conference on Transdisciplinary Engineering, Modena, Italy

© 2018 The authors and IOS Press. Although it is not uncommon to have a predictive model of a factory, these models are often simplistic in nature. Such models rarely reflect the current operating performance of the system, use simple and separate da... Read More about OPTIMISED – Developing a State of the Art System for Production Planning for Industry 4.0 in the Construction Industry -Based Optimisation.

A Comparison of Centralised and Decentralised Scheduling Methods Using a Simple Benchmark System (2018)
Presentation / Conference Contribution
Tochev, E., Pfifer, H., & Ratchev, S. (2018, June). A Comparison of Centralised and Decentralised Scheduling Methods Using a Simple Benchmark System. Presented at 16th IFAC Symposium on Information Control Problems in Manufacturing INCOM 2018, Bergamo, Italy

This paper is intended to provide a comparison of a centralised scheduling system, a simple Multi-Agent System (MAS), and a Mixed Integer Linear Programming (MILP) formulation. The systems are tested on a simulation of a small scale flexible job shop... Read More about A Comparison of Centralised and Decentralised Scheduling Methods Using a Simple Benchmark System.

Composite capabilities for cloud manufacturing (demonstration) (2018)
Presentation / Conference Contribution
Felli, P., de Silva, L., Logan, B., & Ratchev, S. Composite capabilities for cloud manufacturing (demonstration). Presented at International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2018)

Measurement assisted assembly for high accuracy aerospace manufacturing (2018)
Presentation / Conference Contribution
Drouot, A., Zhao, R., Irving, L., Sanderson, D., & Ratchev, S. Measurement assisted assembly for high accuracy aerospace manufacturing. Presented at 16th IFAC Symposium on Information Control Problems in Manufacturing (INCOM 2018)

Measurement Assisted Assembly is a key concept for the modernisation of aerospace assembly processes, i.e. improving their efficiency while reducing the manufacturing costs. This concept suggests a paradigm shift in the assembly of high-complexity pr... Read More about Measurement assisted assembly for high accuracy aerospace manufacturing.

Conceptual framework for ubiquitous cyber-physical assembly systems in airframe assembly (2018)
Presentation / Conference Contribution
Sanderson, D., Chaplin, J. C., & Ratchev, S. Conceptual framework for ubiquitous cyber-physical assembly systems in airframe assembly. Presented at 16th IFAC Symposium on Information Control Problems in Manufacturing (INCOM 2018)

Current sectoral drivers for the manufacturing of complex products - such as airframe assembly -require new manufacturing system paradigms to meet them. In this paper, we propose a conceptual framework for cyber-physical systems driven by ubiquitous... Read More about Conceptual framework for ubiquitous cyber-physical assembly systems in airframe assembly.

Common shared system model for evolvable assembly systems (2018)
Presentation / Conference Contribution
Sanderson, D., Chaplin, J., & Ratchev, S. Common shared system model for evolvable assembly systems. Presented at Model-Based Enterprise Summit 2018

A vital aspect of distributed control in an adaptable production system is coherence between each system resource. The Evolvable Assembly Systems project addresses this challenge using a common shared system model. This paper provides an overview of... Read More about Common shared system model for evolvable assembly systems.

Functional modelling in evolvable assembly systems (2018)
Presentation / Conference Contribution
Sanderson, D., Chaplin, J. C., & Ratchev, S. Functional modelling in evolvable assembly systems. Presented at 8th International Precision Assembly Seminar

The design and reconfiguration of adaptive production systems is a key driver in modern advanced manufacturing. We summarise the use of an ap-proach from the field of functional modelling to capture the function, behaviour, and structure of a system.... Read More about Functional modelling in evolvable assembly systems.