Root cause analysis by operators with the aid of a cognitive advisor in manufacturing

This thesis project examines the opportunities for manufacturing operators to use root cause analysis directly at the line with the support of a cognitive advisor. The project was part of the EU Horizon COALA project and uses a specific business case at a detergent company as a base for the research and the prototype development. The analysis of...

Anomaly detection and diagnosis in ASML event log using attentional LSTM network

In the ASML test system, all activity events of the test are continuously recorded in event logs, and these logs are intended to help people diagnose the root cause of a failure. However, due to the large scale of the logs, manual inspection of these logs consumes lots of effort and time, and the lack of expert knowledge of engineers makes the...

Identifying and improving factors causing peak energy consumption of reefers at container terminals: A quantitative study towards root-cause factors and development of improvements thereof

Reefers are refrigerated containers commonly used for transporting perishable goods such as meat, fish, vegetables, and fruit. Due to the growth in reefer usage, energy consumption of reefers at container terminals grows significantly to 40% of the total energy consumption at terminals. When reefers are connected to the electricity grid, peaks...

Improving and adapting the upstream supply chain of an i-grocer during fast growth: A case study at Boni and Picnic

Since online shopping was invented in 1979 there has been a major shift in the way people shop. More than 40% of the clothing and footwear and more than 35% of the home electronics are bought online in the Netherlands. Grocery shopping in the e-commerce market. This, and the fact that over 92% of the Dutch population has access to internet...