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.
subcommittee - a subset of committee members organized for a specific purpose. standing committee - a permanent committee. steering committee - a committee to arrange the order of business for some larger (legislative) body. ethics committee, ethics panel - a committee appointed to consider ethical issues.