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Data-driven operator functional state classification in smart manufacturing Ghent University
One of the main challenges in the industry is having trained and efficient operators in manufacturing lines. Smart adaptive guidance systems are developed that offer assistance to the operator during assembly. Depending on the operator's level of execution, the system should be able to serve a different guidance response. This paper investigates the assessment and classification of the operator's functional state using observed task execution ...
Part-of-speech tagging accuracy for manufacturing process documents and knowledge Ghent University
Adaptive guidance systems in manufacturing that support operators during the assembly process need to serve the right information at the right time. A conversational recommender system as the single point of contact between the operator and different sources of information, based on natural language processing, can be introduced to assist the operators. Natural language processing techniques can help to mine answers in text-based knowledge ...
Integrated production/inventory and condition-based maintenance control of a multi-item production system under stochastic demand Ghent University
This paper studies the joint production/inventory and condition-based maintenance control for a multi-product manufacturing system with setup and maintenance times under stochastic product demands. The problem is modelled as a semi-Markov decision process (SMDP). The objective is to find a joint production and maintenance policy that minimizes the long run expected discounted cost including setup, holding, lost sales, preventive and corrective ...
A proactive inventory policy based on real-time degradation data Ghent University
Methodology to integrate ergonomics information in contextualized digital work instructions Ghent University
Musculoskeletal disorders (MSDs), often caused by working in non-ergonomic circumstances, are the most important category of work-related diseases. Different methods exist for examining ergonomics through a variety of postural evaluation techniques (e.g. Rapid Entire Body Assessment (REBA)), which are mostly performed through manual survey-based observations. Consequently, measuring ergonomics of operators is time-consuming and happens only ...
Simulation-based optimization of selective assembly costs in a hybrid production context Ghent University
Operator’s experience-level classification based on micro-assembly steps for smart factories Ghent University
Simulated-annealing algorithm to solve multi-component matching problems in generalised selective assembly Ghent University
Generalized Selective Assembly is a strategy of intelligently matching components based on their measured feature values. This strategy requires algorithms that, given a list of components, their measured feature values, and a list of quality constraints between the components, returns a list of assemblies and their comprising components, maximizing the number of in-spec assemblies. Although assemblies in practice often involve one-to-many, ...