[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fnVKqHx68Kez1hJgelw5eNOncXTawZugWbDL7ggTgO_M":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":29,"type":30},[],"2023-06-28 22:16:21",87528491,[8,9,10,11],"图B系统是回路控制,因为有两个测量变量","图A系统是回路控制,因为有一个测量变量","图B系统是回路控制,因为测量变量会改变阀对应的操纵变量","图A系统是回路控制,因为测量变量会被阀改变的操纵变量影响",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},276,"f3c8eb8546685c17ed55bd690153c9c9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8df14f2682140e9791094cc6dddc2a0c.jpg","过程控制工程(本科)","exam_99887065","工程1-19考试","下面两图哪是单回路反馈控制?为什么? \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3a229d71ea64a42b0f15206e422d8d3d.jpg\">图A \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fae7615cbe69386d631512a56bbbe5bc0.jpg\">图B",[21,31,40,49,58,67,76,79,88,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":28,"source":29,"type":30},[],87528485,[25,26,27],"控制知识层","系统知识层","基础知识层","本课程《过程控制工程》属于自动化科学技术三层知识结构的哪一层","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],87528486,[35,36,37,38],"离散控制系统","信息管理系统","集散控制系统","直接数字控制系统","&quot;DCS&quot;的含义是()",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":29,"type":30},[],87528487,[44,45,46,47],"负反馈","前馈","回馈","正反馈","单回路系统反馈回控制器的信号使得原来控制信号持续增强的反馈作用称为( )",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":29,"type":30},[],87528488,[53,54,55,56],"调节","反馈","扰动","给定","除控制器使执行器改变的量外,其他引起被控变量偏离给定值的各种因素称",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":29,"type":30},[],87528489,[62,63,64,65],"3","2","1","0","单回路控制系统是指系统有( )个闭环控制回路的控制系统",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":29,"type":30},[],87528490,[71,72,73,74],"测量信号,运算规律,执行环节","运算规律,执行环节,测量信号","运算规律,测量信号,执行环节","测量信号,执行环节,运算规律","调节器的作用是将()与给定值比较产生偏差信号,然后按()产生输出信号,推动(),实现对生产过程的自动控制",{"answer":77,"createTime":5,"id":6,"options":78,"question":19,"source":29,"type":30},[],[8,9,10,11],{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":29,"type":30},[],87528492,[83,84,85,86],"B'","B","A","C","图为平衡态时系统的干扰引起的阶跃响应,系统的最大偏差是( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3351c3e5065bde456162ef41c42ef0a9.jpg\">题图",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":29,"type":30},[],87528493,[92,93,94,95],"B比B'","A比B'","A比B","A比C","图为平衡态时系统的干扰引起的阶跃响应,系统的衰减比定义为( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffb99c3a6dbf8b8ff3fe46391192990a3.jpg\">题图",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":29,"type":30},[],87528494,[101,102,103,104],"衰减比","ITAE","超调","调节时间","下列一个指标就可以衡量控制系统的稳定快速准确性()"]