ILM Animation Supervisor Scott Benza gives , a behind the scenes talk about the animation performances behind the transformations in "Transformers: Dark of the Moon". And also about how they gave characters to the Transformers. Also how ILM gave animation and emotions according the scene. Have a look at the video for more information of making/VFX animation for Transformers: Dark of the Moon
Behind the Magic - "Transformers: Dark of the Moon" - Transformations