Details
| Original language | English |
|---|---|
| Title of host publication | 2001 European Control Conference, ECC 2001 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 2627-2631 |
| Number of pages | 5 |
| ISBN (electronic) | 9783952417362 |
| Publication status | Published - 2001 |
| Event | 2001 European Control Conference (ECC) - Porto, Portugal Duration: 4 Sept 2001 → 7 Sept 2001 |
Abstract
Undesirable time-variable motions of dynamical structures (e.g. scales, balances, vibratory platforms, bridges and buildings) are mainly caused by unknown or uncertain excitations. In a variety of applications it is desirable or even necessary to attenuate these disturbances in an effective way and with moderate effort. Hence, several passive as well as active methods and techniques have been developed in order to treat these problems. However, employment of active techniques often fails because of their considerable financial costs. We propose an affordable control scheme which accounts for the above mentioned deficiencies. In addition, we allow constraints on control actions. Furthermore, the number of control inputs (actuators) may be arbitrary, that is, the system may be mismatched. The scheme is based on Lyapunov stability theory and, provided that the bounds of the uncertainties are a priori known, a stable attractor (ball of ultimate boundedness) of the structure can be computed. The effectiveness and behavior of the control scheme is demonstrated on a bridge with active suspension elements subjected to a moving truck.
Keywords
- Control Applications (Active Control of Structures), Design Methodologies (Lyapunov Design, Nonlinear Systems (Control of Systems with Input Non-linearities, Robust Control), Uncertain Systems)
ASJC Scopus subject areas
- Engineering(all)
- Control and Systems Engineering
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2001 European Control Conference, ECC 2001. Institute of Electrical and Electronics Engineers Inc., 2001. p. 2627-2631 7076325.
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Vibration control of dynamical systems employing active suspension elements
AU - Reithmeier, E.
AU - Leitmann, G.
PY - 2001
Y1 - 2001
N2 - Undesirable time-variable motions of dynamical structures (e.g. scales, balances, vibratory platforms, bridges and buildings) are mainly caused by unknown or uncertain excitations. In a variety of applications it is desirable or even necessary to attenuate these disturbances in an effective way and with moderate effort. Hence, several passive as well as active methods and techniques have been developed in order to treat these problems. However, employment of active techniques often fails because of their considerable financial costs. We propose an affordable control scheme which accounts for the above mentioned deficiencies. In addition, we allow constraints on control actions. Furthermore, the number of control inputs (actuators) may be arbitrary, that is, the system may be mismatched. The scheme is based on Lyapunov stability theory and, provided that the bounds of the uncertainties are a priori known, a stable attractor (ball of ultimate boundedness) of the structure can be computed. The effectiveness and behavior of the control scheme is demonstrated on a bridge with active suspension elements subjected to a moving truck.
AB - Undesirable time-variable motions of dynamical structures (e.g. scales, balances, vibratory platforms, bridges and buildings) are mainly caused by unknown or uncertain excitations. In a variety of applications it is desirable or even necessary to attenuate these disturbances in an effective way and with moderate effort. Hence, several passive as well as active methods and techniques have been developed in order to treat these problems. However, employment of active techniques often fails because of their considerable financial costs. We propose an affordable control scheme which accounts for the above mentioned deficiencies. In addition, we allow constraints on control actions. Furthermore, the number of control inputs (actuators) may be arbitrary, that is, the system may be mismatched. The scheme is based on Lyapunov stability theory and, provided that the bounds of the uncertainties are a priori known, a stable attractor (ball of ultimate boundedness) of the structure can be computed. The effectiveness and behavior of the control scheme is demonstrated on a bridge with active suspension elements subjected to a moving truck.
KW - Control Applications (Active Control of Structures)
KW - Design Methodologies (Lyapunov Design
KW - Nonlinear Systems (Control of Systems with Input Non-linearities
KW - Robust Control)
KW - Uncertain Systems)
UR - http://www.scopus.com/inward/record.url?scp=84947460454&partnerID=8YFLogxK
U2 - 10.23919/ecc.2001.7076325
DO - 10.23919/ecc.2001.7076325
M3 - Conference contribution
AN - SCOPUS:84947460454
SP - 2627
EP - 2631
BT - 2001 European Control Conference, ECC 2001
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2001 European Control Conference (ECC)
Y2 - 4 September 2001 through 7 September 2001
ER -