Abstract: This letter presents the development of a multiple-input multiple-output (MIMO) coupling controller for the independent-setup variable stiffness actuator (VSA). The dynamic model of the ...

President Donald Trump said the United States will retaliate after three U.S. military personnel – two Army soldiers and a civilian interpreter – were killed by a suspected Islamic State attacker. The ...

President Donald Trump vowed retaliation Saturday after two U.S. Army soldiers and a civilian U.S. interpreter were killed in an attack in Syria, an incident the Defense Department said occurred ...