The presented study aims to evaluate two different control methods for continuous ultrasonic welding of carbon fibre reinforced high performance polymers. A novel power-control mechanism is compared with a state-of-the-art amplitude-controller. Both control methods are applied to a carbon composite material with a LowMelt-PolyArylEtherKetone (LM-PAEK) thermoplastic matrix and evaluated for three different fibre layups of the composite material. The controllers are evaluated based on in-situ data, mechanical properties of the weld seam and its quality ensured by non-destructive testing and microscopic analyses. The similarities and differences between the controllers are discussed and formulated in detail.
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Janek et al. (2025) studied this question.
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