磁心板 的英文怎麼說
中文拼音 [cíxīnbǎn]
磁心板
英文
core plate-
Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment
本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型；設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案；對電機採用何種驅動方式進行了對比分析；對驅動電路進行了元器件選型、原理圖設計、制板及調試；有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊；設計了以dsp為核心的控制電路原理圖；以模塊化的軟體編程思想編制了電機控制軟體；通過tms320lf2407目標板、上位機、驅動板及電機的聯調，證明了系統可行。In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm
本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎，重新設計了以dsp為控制核心的控制系統，主要解決原系統存在的以下問題： （ 1 ） pc機既要實時控制數據的採集與發送，又要進行圖像的后處理，整個系統的實時性難以達到要求； （ 2 ）隨著spm功能的擴展，一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能，另一方面也意味著自動控制量的增加和數據處理量的增加； （ 3 ） 16位a d 、 d a都採用的是購買的板卡，也通過isa槽插在pc機內，成本高，不利於擴展； （ 4 ）另外，數字板通過isa槽插在pc機內，易受于擾，而且給安裝帶來不便。The reactor is adopted dry - type air - cored structure and its coil is made of high quality naked copper wire. the epoxy bakelite block is used as underlay between coil trays, entire coil is firmed with unmagnetized clamps and the bare metal part of reactor is covered by anti - corrosive material
電抗器為乾式空心簡式結構，線圈用優質裸銅線製作，線盤間墊環氧酚醛布板塊，整個線圈用無磁性夾件緊固，電抗器外露金屬部分有良好的防腐蝕層。Using maxwell electromagnetic equations, by solving the boundary - value problem of magnetic vector potential, analytical expression to impedance increment of the solenoid coil in eddy current testing of the medium in half space was given. theoretical result was modeled in computer. results showed the validity and feasibility of the model
利用maxwell電磁方程組，通過求解矢量磁位的邊值問題得到了矢量磁位的解析解，進而導出了媒質上方放置式空心線圈的阻抗增量解析式，並對阻抗變化表達式進行單層板厚度和三層板間隙的檢測模型進行了模擬。When the integral equition method is applied to calculate the inductive magnetic field of the main deck model of a vessel, we use equivalent susceptibility to make the steel divisions under the deck into several solid steel units, so that the computation elements will be reduced and computing speed will be raised
摘要利用積分方程法計算艦船主甲板模型的感應磁場時，將甲板下的鋼質網格部分應用等效磁化率的概念使其化解成為數不多的鋼質實心體單元，從而使計算時剖分單元大為減少，計算速度提高。Year 2005 has been a milestone for the group. following the acquisition of a controlling stake in elec eltek group, the group has gained a significant foothold in various business sectors, namely, printed circuit board " pcb ", liquid crystal display " lcd ", and magnetic products. these, together with our existing core businesses in laminates and chemicals, allow an appropriate balance of our operations across a good spectrum of industries and geographies, and bring in new revenue stream and significant synergies
集團於二零零五年奠下一個新里程碑，在取得依利安達集團之控制權后，集團于多個行業上，如印刷線路板液晶顯示屏及磁電產品等領域上踏出新一步，業務版圖進一步拓寬據點該等業務，再配合集團原有的覆銅面板及化工產品核心業務，為集團的運作在行業和地區方面帶來適當的平衡，並為集團提供了新的收入來源和帶來顯著的協同效益。分享友人