Help twisting louvers iusing a curve attractor

Hey Guys,
am really finding a hard time making a curve attractor that is able to control the twists on a surface i alraedy created. i want to be able to control the way the twists on the surface by just moving the curve . it would be really helpful if someone helped me out. Thank you.twisted louver again and again.3dm (59.6 KB) twisted louvers again and (13.1 KB)