是否可以在Java中读取系统风扇RPM？ （赢7）

I would like to read RPMs of the (Windows 7) system fans in Java (like, for example, the application SpeedFan does) to use them for an Arduino based LED project (make fan appear slowly moving by PWMing leds). However, the system has a fan controller so I have to read the rpm continuously. Found nothing after Googling, only a tutorial of how to read the RPM directly from the yellow wire on an Arduino (however, this is not a solution, because I wouldn't like to do hardware modifications on the system itself). Anyone got ideas?I would like to read RPMs of the (Windows 7) sy