o find a technically feasible way to act on a given system (or process) so that the system (or process) adheres as closely as possible to some desired behaviorР8РIntroductionРBenefits of improved control?Improved product quality?Reduced energy consumption?Minimization of waste material?Increased safety levels?Reduction of pollution?Many othersРImmense!Р9РIntroductionРBasis for control engineering?Linear system analysis ?Assumption of cause-effect relationship for ponents of a systemРSystemРInputРOutputРProcess can be represented by function blocksР10РKey control mechanismsРTwo key mechanisms for control ?Open-loop (feed-forward)РUtilizes an actuating devices to control the system (process) directly without using feedback (output)РProcessРDesired ?output ?responseРOutputРActuatorРController
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