Active suspension control with finite frequency approach

Active suspension control with finite frequency approach

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In this chapter, the problem of vehicle active suspension control with frequency band constraints is investigated. According to the online availability of state measurements, both state feedback and dynamic output feedback control problems are solved, based on the generalized Kalman-Yakubovich-Popov (KYP) lemma. Compared with the traditional entire frequency approach for active suspension systems, the finite frequency approach proposed in this chapter achieves better disturbance attenuation performance for the chosen frequency range, and meantime the constraints required by real situation are guaranteed in the controller design. The effectiveness and merits of the proposed method are verified by a number of simulations with several types of road disturbances.

Chapter Contents:

  • Abstract
  • 6.1 Introduction
  • 6.2 Problem formulation
  • 6.3 State feedback controller design
  • 6.4 Dynamic output feedback controller design
  • 6.4.1 Finite frequency case
  • 6.4.2 Entire frequency case
  • 6.5 Simulation
  • 6.5.1 State feedback case
  • 6.5.2 Dynamic output feedback case
  • 6.6 Concluding remarks
  • References

Inspec keywords: vehicle dynamics; state feedback; control system synthesis; suspensions (mechanical components)

Other keywords: finite frequency approach; dynamic output feedback control problems; generalized Kalman-Yakubovich-Popov lemma; state feedback; vehicle active suspension control; band constraints

Subjects: Transportation system control; Mechanical components; Vehicle mechanics; Control system analysis and synthesis methods

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