Control Barrier Functions are safety certificates that can be used to design add-on control units that filter the control action provided to the system. The objective is to modify the input command as ...

control barrier functions (CBFs). These Lyapunov-like functions generate controllers that provably guarantee forward invariance of “safe” sets. Moreover, CBFs lead to the notion of a safety filter ...

Barrier methods of birth control physically block sperm from reaching ... you want to block it during sexual activity. Their main function is to prevent pregnancy by physically blocking sperm ...