Abstract: Nonlinear control is a challenging aspect in modeling and controlling complex systems, specifically Cyber-Physical Systems (CPSs), where the system dynamics are inherently nonlinear.

Cost of meeting a child’s nutritional needs exceeds R560 grant.

Abstract: A simply structured distributed estimator is described for estimating the state of a continuous-time, jointly observable, input free, multi-channel linear system whose sensed outputs are ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

Ciaran Ryan is a Johannesburg-based freelance writer who has a background in finance and mining, having previously headed up a gold mining operation in Ghana. He currently writes for several SA and ...