The design research community is vast and you will probably need to connect with it, its researchers and keep an eye on what is going on, calls for papers etc. This article goes over some ways to keep in touch with the different design research communities.
Mailing lists
https://sciences-du-design.org/recherche-design/ French speaking design community
https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?A0=PHD-DESIGN Generic English speaking
https://designenrecherche.org/ French association for young researchers in PhD or aiming for it
https://www.afihm.org/ Human-machine interactions French community