Here are links to four recently published papers on UDL from Proceedings of EdMedia: World Conference on Educational Media and Technology 2016 in Canada. Some articles will require institutional access. Here are the links to the abstracts:
Getting Them Excited: Designing an online course based on the ARCS Model to encourage attention, relevance, confidence and student satisfaction in a general educational humanities class.
Using Multimedia Solutions for Accessing the Curriculum Through a UDL Lens
Theoretical Framework Regarding the Usability of Augmented Reality in Open and Distance Learning Systems
Designing Universal Access for Open and Distance Learning through Human Centered Ecological Design (HCED)