Exact(25)
This is a necessary precursor to the more general case of time varying reference signals.
The operation of the LSC requires the current isd and isq to follow the varying reference point.
Different from system stability around a single equilibrium point, trajectory stability guarantees the system is stable around a time varying reference trajectory.
Accordingly, the closed-loop system global stability is actually ensured and output-reference tracking is perfectly achieved in presence of slowly varying reference signals.
For example, ILC for varying reference trajectories [9, 10], ILC for fractional differential systems [11, 12], ILC for impulsive differential systems [13, 14], research on the robustness of ILC [15, 16], and so on.
Since Uchiyama and Arimoto put forward the concept of iterative learning control (ILC for short), ILC has been extended to tracking tasks with iteratively varying reference trajectories [1 3] extensively.
Similar(35)
In this paper a novel formulation of the MPC is proposed to track varying references.
We exploit the closed loop stability condition of L1 AC to design simple, robust ILC update laws that reduce tracking errors to measurement noise for time varying references and uncertainties.
To control for the potential influence of varying the reference to sample RNA ratio, reference RNA was correspondingly serially diluted to 5 μg, 0.5 μg and 0.05 μg of starting material.
Performance of the MPC controller to track a varying speed reference is analyzed in further details.
For the capped cylinder of varying lengths, reference values of time-dependent electrochemical currents are provided.
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