Taming Quantum Time Complexity

Quantum query complexity has several nice properties with respect to composition.First, bounded-error quantum query algorithms can be composed without incurring log factors through error reduction $exactness$.Second, through careful accounting $thriftiness$, the total query complexity is smaller if subroutines are mostly run on cheaper inputs -- a

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Linear Active Disturbance Rejection Control for Lever-Type Electric Erection System Based on Approximate Model

Linear active disturbance rejection control (LADRC) algorithm is proposed to realize accurate trajectory tracking for the lever-type electric erection system.By means of system identification and curve fitting, the approximate model is built, which is consisting of the servo drive Curcumin system with velocity closed-loop and the lever-type erectio

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