Modeling and control of dynamic systems – From electric vehicles to systems biology : Adachi’s Group

At the Adachi Laboratory, the theme of research is modeling and control. Control means actively changing a systems dynamics in a desired way. Control is utilized in various aspects of daily life. Q. Specifically, as in the control of automobiles, satellites, and robots, were talking about controlling a moving object, that is, an object with dynamics. Control appears in various familiar settings, but we cant see it, so we may not know whats being controlled. For example, in a car engine, we control the timing to make the car run smoothly. We benefit from control in all sorts of places; its just that we dont know that because we cant see it happening. Were studying this kind of approach to control theoretically. The Adachi Lab does research on control theory, which systemizes this approach to control. The subject of control theory is dynamic systems. Dynamic means that a systems motion can be represented by a set of differential equations. Virtually everything in the natural and artificial worlds can be considered as a dynamic system. Q: Our group is strong in the field of system identification. We tackle difficult topics, such as how to construct a dynamic model of the subject system, and how to measure it. For example, if you want to control a robot, you need to know physical relationships and physical laws, such as what happens when the robot walks in a certain way. This sort of thing is called modeling, and thats what we do. System identification is one type of modeling …

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