【摘要】 化工控制回路中调节器作用方向判断是《化工自动化及仪表》课程中的教学难点。在化工控制回路中判断调节器作用方向时,可根据回路中负反馈环节个数来确定,当形成回路负反馈时,反作用方向的环节数应为单数个。更多还原

【Abstract】 Judgement of direction of the regulator function in a control circuit is a teaching jungle of the course Automation and Meters in Chemical mdustry .When the direction is judged the feedback - sector numbers must be identified. When the minus feedback is formed,the factors in the opposite direction should be odd number.更多还原