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Robust Tracking Commitment

机译:稳健的跟踪承诺

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摘要

Many engineering problems that involve hierarchical control applications, such as demand-side ancillary service provision to the power grid, can be posed as a robust tracking commitment problem. In this setting, the lower level controller commits a set of possible reference trajectories over a finite horizon to an external entity in exchange for a reward corresponding to the size of the reference set and the allowed margin of tracking error. If the commitment is accepted, the lower level system is required to track any reference trajectory that can be sampled from the committed set. This paper presents the framework of robust tracking commitment and a method to solve the optimal commitment problem for constrained linear systems subject to uncertain disturbance and reference signals. The proposed method allows tractable computations via convex optimization for conic representable uncertainty sets and lends itself to distributed solution methods. We demonstrate the proposed method in a simulation based case study with a commercial building that offers frequency regulation service to the power grid.
机译:涉及层次控制应用程序的许多工程问题,例如对电网的需求侧辅助服务提供,都可以看作是鲁棒的跟踪承诺问题。在这种设置下,较低级别的控制器将有限范围内的一组可能的参考轨迹提交给外部实体,以换取与参考集的大小和允许的跟踪误差幅度相对应的奖励。如果承诺被接受,则要求较低级别的系统跟踪可以从已提交的集合中采样的任何参考轨迹。本文提出了鲁棒跟踪承诺的框架和解决约束线性系统不确定干扰和参考信号的最优承诺问题的方法。所提出的方法允许通过凸优化针对圆锥可表示的不确定性集进行易于处理的计算,并使其适用于分布式求解方法。我们在带有商业建筑物的基于仿真的案例研究中演示了该方法,该建筑物向电网提供频率调节服务。

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