A fuzzy synthesis method for multicomponent distillation sequences is proposed to deal with the contradictory rules in applying the heuristic method. This method uses all rules as the evaluation factors of split proje...A fuzzy synthesis method for multicomponent distillation sequences is proposed to deal with the contradictory rules in applying the heuristic method. This method uses all rules as the evaluation factors of split projects. The characteristic values of heuristic rules are based on the separation cost and the membership functions matrix from these characteristic values are then developed. Distillation sequences are successively determined by using the fuzzy comprehensive evaluation method for split projects.展开更多
Aim To describe a news system for measuring the and pitch angles of rocket during the launch phase Methods Optical system was to reflect the spot that represents the angular movement of rocket to the position sensitiv...Aim To describe a news system for measuring the and pitch angles of rocket during the launch phase Methods Optical system was to reflect the spot that represents the angular movement of rocket to the position sensitive detector that can convert analogue signal into digital one.Results Compared with conventional optical lever test system which had been applied to measure rocket attitude angle,the new system used the position sensitive detector to replace the screen and high-speed photographic instrumentation as grapher,which can avert photointerpretive data reduction and apply to field experiment more easily and pre- cisely .Conclusion Experimental results show that the test system can be used in measuring the yaw and pitch angles of rocket effectively.展开更多
文摘A fuzzy synthesis method for multicomponent distillation sequences is proposed to deal with the contradictory rules in applying the heuristic method. This method uses all rules as the evaluation factors of split projects. The characteristic values of heuristic rules are based on the separation cost and the membership functions matrix from these characteristic values are then developed. Distillation sequences are successively determined by using the fuzzy comprehensive evaluation method for split projects.
文摘Aim To describe a news system for measuring the and pitch angles of rocket during the launch phase Methods Optical system was to reflect the spot that represents the angular movement of rocket to the position sensitive detector that can convert analogue signal into digital one.Results Compared with conventional optical lever test system which had been applied to measure rocket attitude angle,the new system used the position sensitive detector to replace the screen and high-speed photographic instrumentation as grapher,which can avert photointerpretive data reduction and apply to field experiment more easily and pre- cisely .Conclusion Experimental results show that the test system can be used in measuring the yaw and pitch angles of rocket effectively.
