• 2021-04-14
    如果增大系统的开环放大倍数 ,则其闭环系统的稳定性将(      )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/9a7d204470c345deb6a2c5dd09075776.png
  • 变差

    举一反三

    内容

    • 0

      以下属于典型二阶欠阻尼系统的是。( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/17af3a9e051c466584b8cec615049edd.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/6c04a26728e34a868e6efa4d4043d018.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/7c45b6ba62234c5e978202c49dd4b455.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/8f6cf90035484380beadadba728063ac.png" />

    • 1

      一阶系统放大系数越大,则其( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/0790079b16bb460c945225ed35a5a28b.png

    • 2

      如果增大系统的开环放大倍数K,则其闭环系统的稳定性将()

    • 3

      开环系统频率特性 ,当 =1rad/s 时 ,其频率特性相角 ( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/e7cfea65119246b6b9ff7aeed1d9719c.png

    • 4

      控制系统的开环传递函数为 ,系统开环增益K为( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/4bfbbf65af5a4b34b230fa8800ff9a23.png