- 矢量偏移
- vector: n. 1.【數(shù)學(xué)】向量，矢量，動(dòng)徑。 2.【航空】飛機(jī)航 ...
- shift: vt. 1.變動(dòng)；改變；搬移；移動(dòng)；轉(zhuǎn)移；變換；替換；更 ...
- shift vector: 移位向量
- no vector: 無(wú)雷達(dá)引導(dǎo)
- s-t vector: s-t向量
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vector shift中文什么意思
- 矢量偏移
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例句與用法
- Firstly , this paper introduces the asynchronous motor model , and compares it with the dc motor ’ s . then the paper studies the principle of vector control , and proposes an improved current model of rotor flux observer . this paper also studies the three - level inverter ’ s topology , working principle , the neutral - potential unbalance mechanism and its controlling strategy . the paper especially studies the svpwm in details . the interface between the vector control and the three - level inverter is studied in details , including the generation of reference voltage vector , its judging of the sector and triangular regions , and the working mechanism after it sent into three - level inverter . when synthesizing the reference voltage vector , select the vector which only includes p and o states as the starting vector , thus eliminate the vector shift problem when sector changes . this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model . this construction is very explicit . the simulation results verify the inverter voltage output is correct , the rotor flux is steady , the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent
本文首先介紹了異步電機(jī)的數(shù)學(xué)模型,在此基礎(chǔ)上將異步電機(jī)的數(shù)學(xué)模型與直流電機(jī)的數(shù)學(xué)模型進(jìn)行了比較;然后介紹了矢量控制的基本原理,采用了一種改進(jìn)的轉(zhuǎn)子磁鏈電流型觀測(cè)模型;對(duì)三電平逆變器的電路拓?fù)洹⒐ぷ髟?、中點(diǎn)電位不平衡的機(jī)理及控制方法進(jìn)行了介紹,詳細(xì)分析了空間矢量脈寬調(diào)制策略。本文對(duì)異步電機(jī)的矢量控制與三電平逆變器之間的接口進(jìn)行了詳細(xì)的研究,包括:參考電壓矢量的形成、所落扇區(qū)與具體小三角形區(qū)域的判斷、送入逆變器之后的工作機(jī)理。在參考電壓矢量的合成時(shí),選擇只包含p 、 o狀態(tài)的空間電壓矢量作為起始矢量,解決了扇區(qū)切換時(shí)的矢量突變問(wèn)題。