reasoning backward

The system adopts the forward and backward chaining, researches the reasoning under uncertainty and inexact reasoning;

提出对系统采用交互式知识获取途径、双向推理控制策略，对不精确推理和不确定性推理的传播算法作了一定的研究，成功地将其应用到马铃薯专家系统的构建之中；

Information Entropy Based System's Diagnostic Parameter Choosing Method with Backward and Forward Reasoning

基于信息熵的系统诊断参数交互推理选择方法

An Agent Architecture Based on Backward and Forward Reasoning

基于双向推理的主体框架

The conclusions and the experience knowledge from the experts in this field comprise knowledge base of the fault diagnosis expert system ( ES). The control strategy of the inference engine consists of forward chaining and backward reasoning.

将分析结论作为故障诊断知识，结合经验知识等建立故障诊断专家系统知识库，运用正向推理与反向推理相结合的推理控制策略进行推理。

Forward reasoning and backward reasoning were integrated in inference engine to realize the 3 core functions: failure mode identification, failure cause analysis and corrective measure proposal.

推理机采用正反向推理相结合的工作方式，实现气门失效诊断的三个核心功能：确定失效模式、分析失效原因以及推荐改进措施。