Complex sentence: Introduced in 2000, ASIMO, which is an acronym for "Advanced Step in Innovative MObility," was designed to assist humans who struggle with mobility and created to motivate young people to study science and mathematics.
Split into simpler sentences: Introduced in 2000, ASIMO, which is an acronym for "Advanced Step in Innovative MObility," was created to be a helper to people. With aspirations of helping people who struggle with mobility, ASIMO is used to motivate young people to study science and mathematics.