MATLAB: I need to detect the zero voltage for switching on the mosfet .i am currently working on quasi resonant converter.do anyone have an idea on how to detect the zero voltage crossing using simulink blocks

Question

how to detect the zero voltage crossing using simulink blocks.

Answer 1

The Hit Crossing block is designed especially to detect zero-crossing.

http://www.mathworks.com/help/toolbox/simulink/slref/hitcrossing.html