T Rowe Price: What's Behind the Market Volatility, and What We're Watching Next
The volatile start to the year in financial markets is unlikely to abate soon.
Source: etftrends.com
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"An Adaptive Switching-Gain Sliding-Mode-Assisted Disturbance Observer " by Dapeng Tian, Rui Xu et al.
Abstract Active disturbance compensation is crucial for realizing high-precision servo control. However, the suppression of rapidly changing disturbances is still a challenging issue. In this work, observer-based disturbance-rejection control is investigated, and an observer with adaptive switching gain is proposed for improved robustness against changing disturbances. First, a disturbance observer (DOB) is established, based on the tracking differentiator technique. Second, a sliding-mode-assisted observer with an adaptive law is designed to estimate the residual-disturbance estimation error...
Source: uow.edu.au
FTSE 100 Nears Upper Bound of Bollinger Range, BoE More Positive About Economy
Fresh stimulus checks hit the US economy giving equities another boost
Source: dailyfx.com