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.
Types of Standing Committees. There are 16 standing committees in the Senate and 19 in the House, many of which do similar work and have similar names. You can usually tell what sort of bills a committee deals with by their names.