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.
(January 2013). Members of the Committee on Financial Services sit in the tiers of raised chairs (R), while those testifying and audience members sit below (L). The United States House of Representatives currently has 21 congressional committees; 20 standing committees and one select committee. All but three committees, the Budget Committee, the Ethics Committee, and the House Administration Committee, are subdivided into subcommittees, each with its own leadership.