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184

Automatic Control

Automatic Control

Model-based analysis and design allow for the successful control of complex dynamical systems

Prof. Dr.-Ing. habil.

Boris Lohmann

Active and Semi-Active Suspension Control

the development of a nonlinear feedback

control in combination with nonlinear

state observation techniques as well

as proactive preview control. Thereby,

different design objectives can trans-

parently be achieved, while design

restrictions like state and input constraints

can be taken into account. The so-called

hybrid suspension system, developed at

our institute, is shown in the figure left;

it includes a low-bandwidth actuator F(t)

and a high-bandwidth variable damper

d

c

(t), together with a sophisticated control

system.

www.rt.mw.tum.de sekretariat@rt.mw.tum.de

Phone +49.89.289.15610

Contact

n

The institute is focused on both the development of methods and their

practical application. For an efficient control of technical processes, new

techniques are devised in nonlinear control, energy-based modeling

and design, the control of distributed parameter systems, model order

reduction, as well as adaptive and predictive control and methods of

optimization and computational intelligence. Moreover, a Collaborative

Research Centre puts a spotlight on the modeling and analysis of non-

technical systems. Just recently, new cooperations within a DFG priority

program and within a joint international ANR-DFG funding initiative were

established.

Concerning the application, highly challenging problems include the

treatment of vibrations in automobiles, the robust control of multicopters,

the control of unstable robots, and the feedback control of industrial

processes.

Hybrid suspension system controlled by a state

estimator and feedback controller

Experiments are performed at two quarter-car test

stands available in the Institute of Automatic Control.

Active suspension systems can signi-

ficantly contribute to the comfort and

safety of passenger cars by minimizing

vibrations acting on passengers and by

reducing dynamic wheel load. Recent

developments of our research include