[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fnNR-Yj4qOUgIdXrTV79EyL-GuAqSAsfc7iZbERtLpEw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":25,"type":70},[],"2025-12-20 01:59:14",274822551,[8,9],"正确","错误",{"courseId":11,"courseImg":12,"courseName":13},"6ff62bf2880a7c52e0e324d092cc1088","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5aa1e010016a00d72d96151e16aafd59.png","工程训练C","数据采集卡通过各种总线接入计算机,它将实现运动控制的底层软件和硬件集成在一起,具有伺服电机控制所需的各种速度、位置控制功能",[16,27,37,47,56,65,71,76,81,86],{"answer":17,"createTime":5,"id":18,"options":19,"question":24,"source":25,"type":26},[],274822542,[20,21,22,23],"中间继电器","变频器","开关电源","断路器","变频调速实验单元由交流接触器、()、交流电机、调速轮、旋转编码器共同组成一套可以实现开环控制和闭环控制的变频调速系统","v1",0,{"answer":28,"createTime":29,"id":30,"options":31,"question":36,"source":25,"type":26},[],"2025-12-21 11:37:12",274822543,[32,33,34,35],"运行状态","任意状态","断电状态","停机状态","做直线位移实验时,必须先确认滑块是否位于上限位光耦和零位光耦之间.如不在,应在()把滑块缓慢移动到上限位光耦和零位光耦之间再继续操作",{"answer":38,"createTime":39,"id":40,"options":41,"question":46,"source":25,"type":26},[],"2025-12-23 06:35:05",274822544,[42,43,44,45],"将电脉冲信号转变为角位移或线位移的开环控制","实现机械能和交流电能相互转换的","将直流电能转换为机械能的","将电脉冲信号转变为角位移或线位移的闭环控制","步进电机是( )电机,在不超载的情况下,它的转速和停止位置只取决于脉冲信号的频率和脉冲数量,不受负载变化影响",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":25,"type":26},[],274822545,[51,52,53,54],"固定式","距离式","感应式","光电式","光栅尺是一种()测量装置,也称为光栅尺位移传感器或光栅尺传感器,是一种用作直线位移或线速度检测的测量装置",{"answer":57,"createTime":39,"id":58,"options":59,"question":64,"source":25,"type":26},[],274822546,[60,61,62,63],"温度变送器","固态继电器","电加热器","导热块","温度实验单元由固态继电器、电加热器、温度变送器和导热块组成,以西门子 CPU 224XP 作为控制器控制固态继电器为电加热器供电实现加热,这个实验单元中检测装置是()",{"answer":66,"createTime":5,"id":67,"options":68,"question":69,"source":25,"type":70},[],274822547,[8,9],"光电耦合器也叫光电隔离器或光耦合器,简称光耦,是一种以光为媒介来传输电信号的接触器",3,{"answer":72,"createTime":5,"id":73,"options":74,"question":75,"source":25,"type":70},[],274822548,[8,9],"固态继电器是一种全部由固态电子元件组成的新型无触点开关器件,有两个输入控制端,两个输出受控端,输出受控端与负载电路并联",{"answer":77,"createTime":5,"id":78,"options":79,"question":80,"source":25,"type":70},[],274822549,[8,9],"PLC 内部被称为软元件或软继电器的特殊器件,如:输入映像寄存器(I)、输出映像寄存器(Q)、定时器(T)、计数器(C)等,是利用 PLC 内部存储单元模拟各种常规控制器件的虚拟器件,物理上并不真实存在",{"answer":82,"createTime":5,"id":83,"options":84,"question":85,"source":25,"type":70},[],274822550,[8,9],"步进驱动器通过控制脉冲个数实现位移量和停止位置控制,通过控制脉冲频率实现步进电机的速度和加速度控制,通过改变不同绕组给出驱动脉冲的先后顺序可以实现步进电机的换向",{"answer":87,"createTime":5,"id":6,"options":88,"question":14,"source":25,"type":70},[],[8,9]]