A mechanical system consists of (i) a power source and actuators that generate forces and movement, (ii) a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement, and (iii) a controller with sensors that compares the output to a performance goal and then directs the actuator input.
Committee with a continued existence, formed to do its assigned work on an ongoing basis. Budget and finance committees generally are standing committees. See also ad hoc committee.
A standing committee is a group of members of a larger body, such as a legislature or membership association, appointed for a specific purpose and, usually, a specific period of time. In the United States Congress, both the House and Senate establish many standing committees, each with its own specific jurisdiction.