智能控制智能控制智能控制 (14).pdf
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1、Structure of Expert Control SystemsStructures of Expert ControlExpert control consists of knowledge base;inference engine(reasoning machine);control rules;algorithms and so on.Tasks the Expert System Should Perform Tasks the expert system should perform Supervise the operation of the plant(process)a
2、nd controllerExamine possible failure or fault of the system componentsSelect suitable control algorithm to adapt the variation of the system parametersIndustrial Expert Controller The knowledge base(KB)is a basic component of the expert controller.The key problem for building knowledge base is how
3、to express the acquired knowledge.Industrial Expert ControllerThe set of control rule(SCR)sums up every control pattern and control experience of the controlled process.A forward chaining reasoning method is used to judge the conditions of every rule in the sequence.If the condition is satisfied,the
4、n the rule would be carried out;otherwise,the search will be continued.Blackboard Expert Control System Blackboard architecture is a powerful expert system architecture and problem-solving model.Blackboard can deal with large amounts of diverse,erroneous,and incomplete knowledge to solve problems.Th
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