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Trade-off study of a variation aware determinate wing assembly against a traditional assembly strategy (2018)
Journal Article
Bacharoudis, K., Bakker, O. J., Popov, A., & Ratchev, S. (2018). Trade-off study of a variation aware determinate wing assembly against a traditional assembly strategy. MATEC Web of Conferences, 233, Article 00008. https://doi.org/10.1051/matecconf/201823300008

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.

Toward process control from formal models of transformable manufacturing systems (2017)
Journal Article
Bakker, O. J., Chaplin, J. C., de Silva, L., Felli, P., Sanderson, D., Logan, B., & Ratchev, S. (2018). Toward process control from formal models of transformable manufacturing systems. Procedia CIRP, 63, 521-526. https://doi.org/10.1016/j.procir.2017.03.159

The automation and flexibility of production systems is a key step towards improved profitability and competitiveness in high labour cost areas, when producing high-complexity, low-volume products. In the Evolvable Assembly Systems (EAS) project, the... Read More about Toward process control from formal models of transformable manufacturing systems.

Variation analysis of automated wing box assembly (2017)
Journal Article
Bakker, O. J., Popov, A. A., & Ratchev, S. M. (2017). Variation analysis of automated wing box assembly. Procedia CIRP, 69, 406-411. https://doi.org/10.1016/j.procir.2017.02.034

Manufacturing process variability is a major issue of concern in high value industries. Manufacturing small batches and in some cases batches of one is a very expensive process with specific requirements for manufacturing operations, tooling and fixt... Read More about Variation analysis of automated wing box assembly.

Linear friction weld process monitoring of fixture cassette deformations using empirical mode decomposition (2015)
Journal Article
Bakker, O. J., Gibson, C., Wilson, P., Lohse, N., & Popov, A. A. (2015). Linear friction weld process monitoring of fixture cassette deformations using empirical mode decomposition. Mechanical Systems and Signal Processing, 62-63, https://doi.org/10.1016/j.ymssp.2015.02.005

Due to its inherent advantages, linear friction welding is a solid-state joining process of increasing importance to the aerospace, automotive, medical and power generation equipment industries. Tangential oscillations and forge stroke during the bur... Read More about Linear friction weld process monitoring of fixture cassette deformations using empirical mode decomposition.

Active fixturing: literature review and future research directions (2013)
Journal Article
Bakker, O. J., Papastathis, T., Popov, A. A., & Ratchev, S. (2013). Active fixturing: literature review and future research directions. International Journal of Production Research, 51(11), https://doi.org/10.1080/00207543.2012.695893

Fixtures are used to fixate, position and support workpieces and represent a crucial tool in manufacturing. Their performance determines the result of the whole manufacturing process of a product. There is a vast amount of research done on automatic... Read More about Active fixturing: literature review and future research directions.

Recent research on flexible fixtures for manufacturing processes (2013)
Journal Article
Bakker, O. J., Papastathis, T., Ratchev, S., & Popov, A. A. (2013). Recent research on flexible fixtures for manufacturing processes. Recent Patents on Mechanical Engineering, 6(2), https://doi.org/10.2174/2212797611306020003

Fixtures, are used to fixate, position and support workpieces, and form a crucial tool in manufacturing. Their performance influences the manufacturing (and assembly) process of a product. Furthermore, fixturing can form a significant portion of the... Read More about Recent research on flexible fixtures for manufacturing processes.