General Motors Corp., the world's largest vehicle manufacturer, recently standardized on the Ethernet/IP network for its vehicle manufacturing operations. The network is slated to provide real-time communication between machine controllers, robots, process-control equipment, and provide information to higher-level business systems. GM suppliers in America, Europe, and the rest of the world have until January 1, 2007 to make their products Ethernet/IP compatible.
NASA considers several qualities of motor-brush materials when determining suitability for a given mission. Among the most important are the wear rate and the cohesiveness of the debris. Engineers note if there's a tendency for brush debris to pack into commutator slots.