Lightweight design is gaining more and more importance in the automotive industry. Engineers are trying hard to reduce
the increased weight of chassis due to safety and comfort issues.
This paper presents new achievements in the field of control design for smart structures, targeting at innovative
lightweight, high-performance and low-noise engineering constructions with integrated embedded systems technology:
The first part of the paper focuses on new developments in the field of low-cost, highly efficient smart structure power
electronics for piezoelectric elements. These elements will be integrated into automotive chassis, which are able to
measure any structure-borne disturbance such as vibrations.
The second part of the paper presents frontier research in the design of a high-performance control concept for smart
structure applications. This innovative control concept based on a nonlinear state observer design, targets at highly robust
and broadband suppression of structure-borne noise in terms of fast changing frequencies. The controller performance is
not only assessed with respect to stability and disturbance rejection but also with respect to technical feasibility and
implementation issues (required sample rate, rounding errors due to inappropriate data formats, latency, etc.).
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