15春北航《机电控制工程基础》在线作业二满分答案.pdf
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1、奥鹏 15 春北航机电控制工程基础在线作业二一、单选题(共20 道试题,共40 分。)1.人为地给系统施加某种测试信号,记录其输出响应,并用适当地数学模型逼近的方法又称为()。A.最优控制B.系统辨识C.系统分析D.自适应控制正确答案:B 2.二阶系统的传递函数G(s)=5/(s2+2s+5),则该系统是()。A.临界阻尼系统B.欠阻尼系统C.过阻尼系统D.零阻尼系统正确答案:B 3.若已知某串联校正装置的传递函数为G(s)=(s+1)/(10s+1),则它是()装置。A.反馈校正B.相位超前校正C.相位滞后-超前校正D.相位滞后校正正确答案:D 4.若系统的闭环传递函数为(s)=1000/(
2、s2+34.5s+1000),则峰值时间为()。A.0.2 B.0.25 C.0.12 D.0.5 正确答案:C 5.就连续系统和离散系统的分析工具而言,以下说法正确的是()。A.二者均以拉氏变换为分析工具B.连续系统以拉氏变换为分析工具,离散系统以z 变换为分析工具C.连续系统以z 变换为分析工具,离散系统以拉氏变换为分析工具D.二者均以z 变换为分析工具正确答案:B 6.由系统结构、输入外作用形式和类型所产生的稳态误差称为()。A.结构性稳态误差B.附加稳态误差C.原理性稳态误差D.以上均不正确正确答案:C 7.最小相位系统的开环增益越大,则其()。A.振荡次数越多B.稳定裕量越大C.相位
3、变化越小D.稳态误差越小正确答案:D 8.根轨迹在开环复数极点处的切线与正实轴的夹角称为()。A.起始角B.终止角C.入射角D.反射角正确答案:A 9.对于相位超前校正装置,其奈氏曲线为()。A.圆B.上半圆C.下半圆D.45弧线正确答案:B 10.对 0 型系统,加速度输入下的稳态误差为()。A.0 B.C.K D.以上均不正确正确答案:B 11.惯性环节和积分环节的频率特性()相等。A.幅频特性的斜率B.最小幅值C.相位变化率D.穿越频率正确答案:A 12.若系统的特征方程为D(s)=3s4+10s3+5s2+s+2=0,则此系统中包含正实部特征的个数有()。A.0 B.1 C.2 D.3
4、 正确答案:C 13.决定闭环根轨迹的充分必要条件是()。A.幅值方程B.相角方程C.开环增益D.零、极点文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 Z
5、J10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10
6、ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10
7、 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P1
8、0 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P
9、10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5
10、P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V
11、5P10 ZJ10E3J3K4N3正确答案:B 14.要增大系统的稳定裕量,又不降低系统的响应速度和精度,通常可以采用()。A.相位滞后校正B.提高增益C.相位超前校正D.顺馈校正正确答案:C 15.设 c 为幅值穿越频率,(c)为开环频率特性幅值为1 时的相位角,则相位裕量为()。A.180-(c)B.(c)C.180 +(c)D.90 +(c)正确答案:C 16.系统的特征方程为s4+50s3+200s2+400s+1000=0,则该系统()。A.稳定B.临界稳定C.不稳定D.无法确定正确答案:A 17.传递函数为G(s)=1/s 的环节称为()环节。A.微分B.积分C.比例D.惯性正确答
12、案:B 18.惯性环节的传递函数是G(s)=()。A.K B.Ts C.K/s D.1/(Ts+1)正确答案:D 19.采样频率满足()条件时,采样信号频谱不发生重叠。A.s2 maxB.s2max C.s max D.s max 正确答案:A 20.在等加速度输入下,系统消除稳态误差的条件是()A.1 B.2 C.3 D.4 正确答案:C 文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N
13、3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4
14、N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K
15、4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3
16、K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J
17、3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3
18、J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E
19、3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3北航机电控制工程基础在线作业二二、多选题(共10 道试题,共30 分。)1.经典控制主要采用的方法是()。A.时域分析法B.频率法C.根轨迹法D.状态空间分析法正确答案:ABC 2.控制系统由()构成。A.受控对象B.给定值C.控制装置D.扰动量正确答案:AC 3.下列关于随动系统的说法正确的是()。A.也称自动跟踪系统或伺服
20、系统B.给定值是预先未知的随时间任意变化的函数C.给定值是按预定规律随时间变化的函数D.能使被控量以尽可能小的误差跟随给定值正确答案:ABD 4.临界阻尼二阶系统单位阶跃响应曲线特点是()。A.非周期性B.无超调C.无振荡D.有拐点正确答案:ABCD 5.由状态变量图列写系统状态方程及其输出方程主要方法有()。A.直接程序法B.并接程序法C.串接程序法D.以上均不正确正确答案:ABC 6.自动控制原理按发展过程分为()。A.经典控制文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3
21、K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J
22、3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3
23、J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E
24、3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10
25、E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ10E3J3K4N3文档编码:CJ7I9L10U4X5 HU9S8J9V5P10 ZJ1
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