Iulia Dragomir, Susanne Graf, Gabor Karsai, Florian Noyrit, Iulian Ober, Damiano Torre, Yvan Labiche, Marcela Genero, Maged Elaasar: Joint Proceedings of the 8th International Workshop on Model-based Architecting of Cyber-physical and Embedded Systems and 1st International Workshop on UML Consistency Rules (ACES-MB 2015 & WUCOR 2015) co-located with ACM/IEEE 18th International Conference on Model Driven Engineering Languages and Systems (MoDELS 2015), Ottawa, Canada, September 28, 2015. CEUR Workshop Proceedings 1508, CEUR-WS.org 2015