Abstract: This article investigates the attitude control problem of quadrotor unmanned aerial vehicles (UAVs) with disturbances, actuator faults, and measurement noises. First, to avoid the noise ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

Abstract: Single-shot fringe projection profilometry (FPP) is crucial for real-time or dynamic 3-D measurement scenarios. In this regard, we propose a spatial composite FPP (SCFPP), which creatively ...

1.Returns for less than one year are not annualized. 2.Expenses are from the Fund’s prospectus that is effective as of the date of this commentary indicated above. 3. Includes maximum 5.75% front-end ...