IFAC 2023 offers the most up-to-date and complete view of control techniques, with the widest coverage of application fields, and is attended by a worldwide audience of scientists and engineers from academia and industry. Technology competition is always one of the most interesting and exciting events during the conference, which will be held from  9 July to 14 July 2023. Technology competitions at IFAC 2023 will be held by way of on-site and online. The following challenges will attract many young participants and audiences from all over the world.