Abstract: With the increase of direct current (DC) loads, hybrid alternating current (AC)/DC microgrids (MGs) have become a crucial research problem. The optimal designs of MGs are the key to ensure ...

Springfield Public Schools will soon launch a pilot program that will allow two students to gain hands-on training in HVAC and related electrical systems while pursing a high school diploma. The pilot ...

Springfield Public Schools is launching a pilot program for two students to receive paid training in HVAC and electrical systems. The program is part of Missouri's Registered Youth Apprenticeship ...

Abstract: Path planning is one of the core technologies to realize air-ground vehicle docking. In order to plan a smooth and collision-free path, an RRT* optimization-based path planning method for ...

U.S. Air Force Airman 1st Class Samuel Lazano, a 1st Special Operations Support Squadron air traffic control journeyman, looks through a set of binoculars in the air traffic control tower at Hurlburt ...

Boeing Co.’s troubled Air Force One program in San Antonio may deliver a new presidential jet a year earlier than it estimated — but still four years behind its original contract date. After approving ...