Abstract: This paper suggests a robust multistage PID controller to address the difficulties stemming from the sporadic nature of renewable sources, load and system perturbations in main grid, which ...

Load money in advance onto a prepaid debit card, then use it to make purchases or get cash at ATMs. You can reload the card in multiple ways. Many, or all, of the products featured on this page are ...

In her new book, author and PhD student Anna Gifty Opoku-Agyeman looks at how both gender and race cost Black women — and how policy can help address those costs. Earlier this summer, economist Katica ...