[發(fā)明專利]離子源數(shù)字PID控制參數(shù)自整定系統(tǒng)及方法有效
| 申請?zhí)枺?/td> | 201410453377.2 | 申請日： | 2014-09-05 |
| 公開（公告）號： | CN104332375A | 公開（公告）日： | 2015-02-04 |
| 發(fā)明（設(shè)計）人： | 石文夫;譚紅建;張政彬 | 申請（專利權(quán)）人： | 西安奧華電子儀器有限責(zé)任公司 |
| 主分類號： | H01J27/02 | 分類號： | H01J27/02 |
| 代理公司： | 西安智邦專利商標(biāo)代理有限公司 61211 | 代理人： | 王少文 |
| 地址： | 710061 陜西省西*** | 國省代碼： | 陜西;61 |
| 權(quán)利要求書： | 查看更多 | 說明書： | 查看更多 |
| 摘要： | |||
| 搜索關(guān)鍵詞： | 離子源 數(shù)字 pid 控制 參數(shù) 系統(tǒng) 方法 | ||
1.一種離子源數(shù)字PID控制參數(shù)自整定系統(tǒng)，其特征在于：包括陽極電流測量模塊、陽極高壓脈沖產(chǎn)生模塊、熱絲電流控制模塊、熱絲電流測量模塊、MCU主控模塊以及上位機(jī)；
所述陽極電流測量模塊、陽極高壓脈沖產(chǎn)生模塊、熱絲電流控制模塊、熱絲電流測量模塊分別于MCU主控模塊連接；
所述陽極電流測量模塊由陽極電流測量電路組成，用于測試陽極電流；
所述陽極高壓脈沖產(chǎn)生模塊由高壓電源和陽極開關(guān)電路組成，用以產(chǎn)生離子源電離時所需的高壓脈沖；
所述熱絲電流控制模塊由恒流源控制電路組成，用于產(chǎn)生離子源電離時所需要的熱絲電流；
所述熱絲電流測量模塊由熱絲測量電路組成，用于測量熱絲電流的大小；
所述MCU主控模塊用于接收上位機(jī)命令控制離子源電離；
所述上位機(jī)由微型機(jī)和地面箱體組成，用于發(fā)送命令給MCU主控模塊控制離子源系統(tǒng)進(jìn)行電離。
2.根據(jù)權(quán)利要求1所述的離子源數(shù)字PID控制參數(shù)自整定系統(tǒng)，其特征在于：
所述MCU主控模塊由MCU、ADC電路、DAC電路和串口通訊組成，用于接收上位機(jī)命令控制離子源電離；所述MCU包括依次連接的平滑濾波單元、電流比較單元、模糊控制單元和數(shù)字PID控制單元；所述平滑濾波單元的輸入端接陽極電流測量模塊的輸出端，所述數(shù)字PID控制單元的輸出端接熱絲電流控制模塊的輸入端。
3.一種離子源數(shù)字PID控制參數(shù)自整定方法，其特征在于：包括以下步驟：
1)上位機(jī)設(shè)定陽極電流，發(fā)送電離啟動命令；
2)MCU通過串口通訊接收上位機(jī)的命令，陽極高壓脈沖產(chǎn)生模塊產(chǎn)生離子源電離時所需的高壓脈沖，熱絲電流控制模塊產(chǎn)生離子源電離時所需要的熱絲電流；
3)陽極電流測量電路對陽極電流進(jìn)行采集，然后對采集數(shù)據(jù)進(jìn)行平滑濾波并與設(shè)定的陽極電流進(jìn)行比較，根據(jù)陽極電流變化的趨勢和快慢確定數(shù)字PID控制待整定參數(shù)比例因子Kp、積分時間因子Ki、微分時間因子Kd，
4)將待整定參數(shù)Kp,Ki,Kd送入PID調(diào)節(jié)器，根據(jù)計算結(jié)果控制熱絲電流的增減來達(dá)到離子源控制系統(tǒng)的平衡。
4.根據(jù)權(quán)利要求3所述的離子源數(shù)字PID控制參數(shù)自整定方法，其特征在于：
所述步驟3)中待整定參數(shù)Kp,Ki,Kd通過以下方式確定：
3.1)生成49條模糊規(guī)則：
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為極大值，PM為中值，PS為極小值，ZO為零值，NS為負(fù)的極小值，NM為負(fù)的中值，NB為負(fù)的極大值；
3.2)建立控制規(guī)則表
所述Kp控制規(guī)則表為：
{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規(guī)則表為：
{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規(guī)則表為：
{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)利用重心法進(jìn)行反模糊處理得出Kp,Ki,Kd值。
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