They are conventionally divided and performed in separate steps.But the solutions resulting from the sparate design and control optimizations may not be optimal from an overall system standpoint.

• 近十几年来，随著机电一体化产品的应用日益广泛和设计理论、方法的不断进步，提出了机械装置运动、动力和控制集对成设计的新的设计方法。