Abstract: This article investigates the predefined-time consensus for a class of second-order nonlinear multiagent systems via a sliding mode technique. Fuzzy logic systems are utilized to estimate ...

A break in the sewer line in a Massachusetts city has discharged wastewater into the Merrimack River for the second time in as many days. At about 9 p.m. Friday, a sewer main broke near Haverhill’s ...