Cooperative Control of Multi-Agent Systems: A Consensus by Zhongkui Li

By Zhongkui Li

Distributed controller layout is mostly a demanding job, particularly for multi-agent platforms with advanced dynamics, a result of interconnected impact of the agent dynamics, the interplay graph between brokers, and the cooperative keep an eye on legislation. Cooperative regulate of Multi-Agent structures: A Consensus sector process offers a scientific framework for designing allotted controllers for multi-agent platforms with common linear agent dynamics, linear agent dynamics with uncertainties, and Lipschitz nonlinear agent dynamics.

Beginning with an advent to cooperative regulate and graph thought, this monograph:

  • Explores the consensus keep watch over challenge for continuous-time and discrete-time linear multi-agent systems
  • Studies the H∞ and H2 consensus difficulties for linear multi-agent platforms topic to exterior disturbances
  • Designs allotted adaptive consensus protocols for continuous-time linear multi-agent platforms
  • Considers the allotted monitoring keep an eye on challenge for linear multi-agent platforms with a pace-setter of nonzero regulate input
  • Examines the allotted containment regulate challenge for the case with a number of leaders
  • Covers the strong cooperative keep an eye on challenge for multi-agent structures with linear nominal agent dynamics topic to heterogeneous matching uncertainties
  • Discusses the worldwide consensus challenge for Lipschitz nonlinear multi-agent systems

Cooperative keep watch over of Multi-Agent platforms: A Consensus quarter process provides a singular method of designing allotted cooperative protocols for multi-agent platforms with advanced dynamics. The proposed consensus sector decouples the layout of the suggestions achieve matrices of the cooperative protocols from the communique graph and serves as a degree for the robustness of the protocols to adaptations of the verbal exchange graph. through exploiting the decoupling function, adaptive cooperative protocols are provided that may be designed and carried out in an absolutely allotted fashion.

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Additional resources for Cooperative Control of Multi-Agent Systems: A Consensus Region Approach

Example text

Rn×n1 and W ˆ ∈ Rn×(n−n1 ) such that 2) Choose U ˆ U ˆ W −1 ˆ A U ˆ ˆ = S W 0 0 ˆ , X ˆ ∈ R(n−n1 )×(n−n1 ) is Hurwitz. where Sˆ ∈ Rn1 ×n1 is skew-symmetric and X ˆU ˆ T CT . 3) Let L = −U 4) Select the coupling gain c > 0. 21) that solves the consensus problem and meanwhile yields an unbounded consensus region (0, ∞) × (−∞, ∞) if and only if (A, B, C) is stabilizable and detectable. One such protocol can be constructed by Algorithm 4. Proof 8 (Necessity) It is trivial. ˆ = CU ˆ . Then, it follows from the detectability of (A, C) (Sufficiency) let H ˆ ˆ ˆ † ∈ Rn1 ×n and W ˆ † ∈ R(n−n1 )×n be such that that (S, H) is observable.

3 Consensus Protocol Design . . . . . . . . . . . . . . . . . 1 The Special Case with Neutrally Stable Agents . 2 The General Case . . . . . . . . . . . . . . . . . 3 Consensus with a Prescribed Convergence Rate . Observer-Type Consensus Protocols . . . . . . . . . . . . . . . . . 1 Full-Order Observer-Type Protocol I . . . . . . . . . . . . 2 Full-Order Observer-Type Protocol II . . . . . .

To facilitate the consensus protocol design, the notion of consensus region is introduced and analyzed. In light of the consensus region methodology, the design of the consensus protocol can be decoupled into two steps: 1) Determine the feedback gain matrix in order to yield a desirable consensus region; 2) adjust the coupling gain to deal with the effect of the communication graph on consensus. It is also demonstrated that the consensus region should be large enough in order to be robust with respect to variations of the communication graph.

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