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首页> 外文期刊>IEEE Transactions on Automatic Control >Decentralized model reference adaptive control without restriction on subsystem relative degrees
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Decentralized model reference adaptive control without restriction on subsystem relative degrees

机译:不受子系统相对度限制的分散模型参考自适应控制

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摘要

When the direct model reference adaptive control (MRAC) scheme with first-order local estimators is employed to design totally decentralized controllers, the stability result can only be applied to a system with all of its nominal subsystem relative degrees less than or equal to two. In this paper, this restriction is relaxed and it is achieved by employing the parameter projection together with static normalization. To implement the local controllers, no a priori knowledge of the subsystem unmodeled dynamics and no information exchange between subsystems are required. Global stability is established for the closed-loop system and small in the mean tracking error is ensured. With this analysis, the class of interactions and subsystem unmodeled dynamics can be enlarged to include those having infinite memory.
机译:当采用带有一阶局部估计量的直接模型参考自适应控制(MRAC)方案来设计完全分散的控制器时,稳定性结果只能应用于其所有名义子系统相对度小于或等于2的系统。在本文中,通过使用参数投影和静态归一化来实现此限制,此限制已得到缓解。为了实现本地控制器,不需要先验知识的子系统未建模的动力学,也不需要子系统之间的信息交换。建立了闭环系统的全局稳定性,并确保平均跟踪误差较小。通过这种分析,可以扩大交互作用和子系统未建模动力学的类别,以包括具有无限内存的那些。

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