%0 Conference Paper %K directed graphs %K discrete time systems %K linear systems %K switching systems (control) %K switched linear systems %K directed graph %K allowed switching sequences %K discrete-time switched linear systems %K Switches %K Switched systems %K Power systems %K Mathematical model %B 2017 IEEE 56th Annual Conference on Decision and Control (CDC) %D 2017 %G eng %R 10.1109/CDC.2017.8264445 %T Opacity for switched linear systems: Notions and characterization %8 Dec