离子源数字PID控制参数自整定系统及方法
专利汇可以提供离子源数字PID控制参数自整定系统及方法专利检索，专利查询，专利分析的服务。并且本 发明 提供离子源数字PID控制参数白整定系统及方法，包括 阳极 电流 测量模 块 、阳极高压脉冲产生模块、热丝电流控 制模 块、热丝电流测量模块、MCU主控模块以及上位机；阳极电流测量模块、阳极高压脉冲产生模块、热丝电流 控制模块 、热丝电流测量模块分别于MCU主控模块连接。整个系统在更换 中子 管之后，数字PID控制参数不用重新调整，可以有效的解决人工调试数字PID控制参数繁琐、耗时的问题，同时降低对调试人员调试经验的要求。，下面是离子源数字PID控制参数自整定系统及方法专利的具体信息内容。
1.一种离子源数字PID控制参数自整定系统，其特征在于：包括阳极电流测量模块、阳极高压脉冲产生模块、热丝电流控制模块、热丝电流测量模块、MCU主控模块以及上位机；
所述阳极电流测量模块、阳极高压脉冲产生模块、热丝电流控制模块、热丝电流测量模块分别于MCU主控模块连接；
所述阳极电流测量模块由阳极电流测量电路组成，用于测试阳极电流；
所述阳极高压脉冲产生模块由高压电源和阳极开关电路组成，用以产生离子源电离时所需的高压脉冲；
所述热丝电流控制模块由恒流源控制电路组成，用于产生离子源电离时所需要的热丝电流；
所述热丝电流测量模块由热丝测量电路组成，用于测量热丝电流的大小；
所述MCU主控模块用于接收上位机命令控制离子源电离；
所述上位机由微型机和地面箱体组成，用于发送命令给MCU主控模块控制离子源系统进行电离。
2.根据权利要求1所述的离子源数字PID控制参数自整定系统，其特征在于：
所述MCU主控模块由MCU、ADC电路、DAC电路和串口通讯组成，用于接收上位机命令控制离子源电离；所述MCU包括依次连接的平滑滤波单元、电流比较单元、模糊控制单元和数字PID控制单元；所述平滑滤波单元的输入端接阳极电流测量模块的输出端，所述数字PID控制单元的输出端接热丝电流控制模块的输入端。
3.一种离子源数字PID控制参数自整定方法，其特征在于：包括以下步骤：
1)上位机设定阳极电流，发送电离启动命令；
2)MCU通过串口通讯接收上位机的命令，阳极高压脉冲产生模块产生离子源电离时所需的高压脉冲，热丝电流控制模块产生离子源电离时所需要的热丝电流；
3)阳极电流测量电路对阳极电流进行采集，然后对采集数据进行平滑滤波并与设定的阳极电流进行比较，根据阳极电流变化的趋势和快慢确定数字PID控制待整定参数比例因子Kp、积分时间因子Ki、微分时间因子Kd，
4)将待整定参数Kp,Ki,Kd送入PID调节器，根据计算结果控制热丝电流的增减来达到离子源控制系统的平衡。
4.根据权利要求3所述的离子源数字PID控制参数自整定方法，其特征在于：
所述步骤3)中待整定参数Kp,Ki,Kd通过以下方式确定：
3.1)生成49条模糊规则：
1.If(E is NB)and(EC is NB)then(kp is PB)(ki is NB)(kd is PM)
2.If(E is NB)and(EC is NM)then(kp is PB)(ki is NB)(kd is PM)
3.If(E is NB)and(EC is NS)then(kp is PM)(ki is NM)(kd is PS)
4.If(E is NB)and(EC is Z)then(kp is PM)(ki is NS)(kd is NB)
5.If(E is NB)and(EC is PS)then(kp is PS)(ki is PS)(kd is NM)
6.If(E is NB)and(EC is PM)then(kp is ZO)(ki is ZO)(kd is NS)
7.If(E is NB)and(EC is PB)then(kp is ZO)(ki is ZO)(kd is NS)
8.If(E is NM)and(EC is NB)then(kp is PB)(ki is NB)(kd is PM)
9.If(E is NM)and(EC is NM)then(kp is PM)(ki is NM)(kd is PM)
10.If(E is NM)and(EC is NS)then(kp is PS)(ki is NS)(kd is PS)
11.If(E is NM)and(EC is Z)then(kp is NS)(ki is NS)(kd is NB)
12.If(E is NM)and(EC is PS)then(kp is NM)(ki is PS)(kd is NM)
13.If(E is NM)and(EC is PM)then(kp is ZO)(ki is ZO)(kd is NM)
14.If(E is NM)and(EC is PB)then(kp is ZO)(ki is ZO)(kd is NS)
15.If(E is NS)and(EC is NB)then(kp is PM)(ki is NM)(kd is ZO)
16.If(E is NS)and(EC is NM)then(kp is PS)(ki is NS)(kd is PS)
17.If(E is NS)and(EC is NS)then(kp is NS)(ki is NS)(kd is NS)
18.If(E is NS)and(EC is Z)then(kp is NM)(ki is PS)(kd is NM)
19.If(E is NS)and(EC is PS)then(kp is ZO)(ki is ZO)(kd is NS)
20.If(E is NS)and(EC is PM)then(kp is NS)(ki is PS)(kd is NS)
21.If(E is NS)and(EC is PB)then(kp is NS)(ki is PS)(kd is ZO)
22.If(E is ZO)and(EC is NB)then(kp is PS)(ki is NS)(kd is ZO)
23.If(E is ZO)and(EC is NM)then(kp is NS)(ki is NS)(kd is NS)
24.If(E is ZO)and(EC is NS)then(kp is NM)(ki is NM)(kd is NS)
25.If(E is ZO)and(EC is ZO)then(kp is ZO)(ki is ZO)(kd is ZO)
26.If(E is ZO)and(EC is PS)then(kp is NS)(ki is NS)(kd is NS)
27.If(E is ZO)and(EC is PM)then(kp is PS)(ki is PS)(kd is NS)
28.If(E is ZO)and(EC is PB)then(kp is PM)(ki is PM)(kd is ZO)
29.If(E is PS)and(EC is NB)then(kp is NM)(ki is NM)(kd is ZO)
30.If(E is PS)and(EC is NM)then(kp is PS)(ki is PS)(kd is ZO)
31.If(E is PS)and(EC is NS)then(kp is ZO)(ki is ZO)(kd is NS)
32.If(E is PS)and(EC is ZO)then(kp is NM)(ki is NM)(kd is ZO)
33.If(E is PS)and(EC is PS)then(kp is NS)(ki is NS)(kd is ZO)
34.If(E is PS)and(EC is PM)then(kp is PS)(ki is PS)(kd is ZO)
35.If(E is PS)and(EC is PB)then(kp is PM)(ki is PM)(kd is ZO)
36.If(E is PM)and(EC is NB)then(kp is ZO)(ki is ZO)(kd is PS)
37.If(E is PM)and(EC is NM)then(kp is ZO)(ki is ZO)(kd is NS)
38.If(E is PM)and(EC is NS)then(kp is PS)(ki is PS)(kd is PS)
39.If(E is PM)and(EC is Z)then(kp is PM)(ki is PS)(kd is PS)
40.If(E is PM)and(EC is PS)then(kp is PM)(ki is PM)(kd is PM)
41.If(E is PM)and(EC is PM)then(kp is PM)(ki is PM)(kd is PM)
42.If(E is PM)and(EC is PB)then(kp is PB)(ki is PB)(kd is PB)
43.If(E is PB)and(EC is NB)then(kp is ZO)(ki is ZO)(kd is PB)
44.If(E is PB)and(EC is NM)then(kp is ZO)(ki is ZO)(kd is PB)
45.If(E is PB)and(EC is NS)then(kp is PM)(ki is PM)(kd is PM)
46.If(E is PB)and(EC is ZO)then(kp is PM)(ki is PM)(kd is PM)
47.If(E is PB)and(EC is PS)then(kp is PM)(ki is PM)(kd is PM)
48.If(E is PB)and(EC is PM)then(kp is PB)(ki is PB)(kd is PB)
49.If(E is PB)and(EC is PB)then(kp is PB)(ki is PB)(kd is PB)
其中：PB为极大值，PM为中值，PS为极小值，ZO为零值，NS为负的极小值，NM为负的中值，NB为负的极大值；
3.2)建立控制规则表
所述Kp控制规则表为：
{PB,PB,PM,PM,PS,ZO,ZO},
{PB,PM,PS,NS,NM,ZO,ZO},
{PM,PS,NS,NM,ZO,NS,NS},
{PS,NS,NM,ZO,NS,PS,PM},
{NM,PS,ZO,NM,NS,PS,PM},
{ZO,ZO,PS,PM,PM,PM,PB},
{ZO,ZO,PM,PM,PM,PB,PB}；
所述Ki规则表为：
{NB,NB,NM,NS,PS,ZO,ZO},
{NB,NM,NS,NS,PS,ZO,ZO},
{NM,NS,NS,PS,ZO,PS,PS},
{NS,NS,NM,ZO,NS,PS,PM},
{NM,PS,ZO,NM,NS,PS,PM},
{ZO,ZO,PS,PS,PM,PM,PB},
{ZO,ZO,PM,PM,PM,PB,PB}；
所述Kd规则表为：
{PM,PM,PS,NB,NM,NS,NS},
{PM,PM,PS,NB,NM,NM,NS},
{ZO,PS,NS,NM,NS,NS,ZO},
{ZO,NS,NS,ZO,NS,NS,ZO},
{ZO,ZO,NS,ZO,ZO,ZO,ZO},
{PS,NS,PS,PS,PM,PM,PB},
{PB,PB,PM,PM,PM,PB,PB}；
3.3)利用重心法进行反模糊处理得出Kp,Ki,Kd值。
5.根据权利要求3所述的离子源数字PID控制参数自整定方法，其特征在于：
所述步骤4)的具体步骤为：
将Kp,Ki,Kd代入公式
DAOut＝Ki*Sum(E1....En)-Kp*E–Kd*EC；
计算出来的DAOut通过单片机送到DA达到控制灯丝电流大小。
6.根据权利要求3或4或5所述的离子源数字PID控制参数自整定方法，其特征在于：
还包括将采集到的阳极电流、热丝电流传给上位机进行实时显示的步骤。
离子源数字PID控制参数自整定系统及方法
技术领域
背景技术
发明内容
具体实施方式
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