Exact(2)
A nonlinear three Degree of Freedom (DOF) underactuated dynamic model for USV is considered, and trajectory tracking controller that can track both curve trajectory and straight line trajectory with high accuracy is designed as the well known Persistent Exciting (PE) conditions of yaw velocity is completely relaxed in our study.
If the latter is also required, the driving signal vectors u k need to be persistent exciting, i.e., consecutive vectors need to span the space of dimension M, if M denotes the filter order.
Similar(58)
The long-afterglow phosphor in reactor could absorb excessive light energy and give out persistent fluorescence, exciting Cu2O NCs/M-TiO2 composite and realizing round-the-clock photocatalysis.
I knew living back on the border, where the divisions are so great and painful and the people so resilient and persistent, would be exciting and challenging.
Perry says he realises that for a lot of young artists it must feel like they are shouting into the wind but students must "be persistent, keep showing good and exciting work, keep your name out there, and eventually the press will notice".
On Friday, doctors cleared van Riemsdyk, offering Chicago fans seeing red over persistent blue-line breakdowns an exciting alternative.
But now, thanks to persistent study by seabird scientists and exciting new research methods, many of the puffin's secrets can be told.
In spite of these two persistent roadblocks, there is hopeful and exciting progress.
They won't be persistent world games, but they'll be exciting".
A gift prompted by persistent requests for it is not as exciting or fulfilling as a gift that is a total surprise.
No doubt Epix, like the persistent few who still follow boxing, is hoping for an exciting fight, though not necessarily expecting one.
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