Looking Robot animation walk cycle

I search all the internet with not result
can you point me to tutorial about robot walk cycle

Robotic walk cycle is same as regular walk cycle. But overall movement has to do with constant arm / leg rotations with hard start/ end movement. It is all about using curve editor to modify movements.

What we know of robotic movement is really known through dance movement. Here is good video on it:

And, for robots, it is really about dime sapping: