直流電機

1、無刷直流電機img src=http:/weibangfood.com.cn/ueditor_s/net/upload/2016-11/24/6361557965224179448393089_1.png style=float:none; title=Scorpion_HKIII_4025_550_brushless_DC_motor_2016-Nov-23_09-35-15PM-000_FR。

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6、流電機脈沖寬度調(diào)制 (速系統(tǒng)產(chǎn)生于 70 年代中期 功率驅(qū)動 ,例如自動跟蹤天文望遠鏡、自動記錄儀表等 。近十多年來 ,由于晶體管器件水平的提高及電路 技術(shù)的發(fā)展 ,同時又因出現(xiàn)了寬調(diào)速永磁直流電機 , 它們之間的結(jié)合促使 術(shù)的高速發(fā)展 ,并使電氣驅(qū)動技術(shù)推進到一個新的高度 . 在國外 ,早是在軍事工業(yè)以及空間技術(shù)中應(yīng)用。它以優(yōu)越的性能 ,滿足那些高速度、高精度隨動跟蹤系統(tǒng)的需求。近八、九年來 ,進一步擴散到民用工業(yè) ,特別 是在機床行業(yè)、自動生產(chǎn)線及機器人等領(lǐng)域中廣泛應(yīng)用。 可以這樣說 ,六十年代中期發(fā)展起來的晶體管 路、 路 ,特。

7、流電機脈沖寬度調(diào)制 (速系統(tǒng)產(chǎn)生于 70 年代中期 功率驅(qū)動 ,例如自動跟蹤天文望遠鏡、自動記錄儀表等 。近十多年來 ,由于晶體管器件水平的提高及電路 技術(shù)的發(fā)展 ,同時又因出現(xiàn)了寬調(diào)速永磁直流電機 , 它們之間的結(jié)合促使 術(shù)的高速發(fā)展 ,并使電氣驅(qū)動技術(shù)推進到一個新的高度 . 在國外 ,早是在軍事工業(yè)以及空間技術(shù)中應(yīng)用。它以優(yōu)越的性能 ,滿足那些高速度、高精度隨動跟蹤系統(tǒng)的需求。近八、九年來 ,進一步擴散到民用工業(yè) ,特別 是在機床行業(yè)、自動生產(chǎn)線及機器人等領(lǐng)域中廣泛應(yīng)用。 可以這樣說 ,六十年代中期發(fā)展起來的晶體管 路、 路 ,特。

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12、基于 直流電機 速閉環(huán)調(diào)速控制系統(tǒng) 真實現(xiàn) 在工業(yè)自動控制系統(tǒng)和各種智能產(chǎn)品中常常會用用電動機進行驅(qū)動、傳動和控制，而現(xiàn)代智能控制系統(tǒng)中，對電機的控制要求越來越精確和迅速，對環(huán)境的適應(yīng)要求越來越高。隨著科技的發(fā)展，通過對電機的改造，出現(xiàn)了一些針對各種應(yīng)用要求的電機，如伺服電機、步進電機、開關(guān)磁阻電機等非傳統(tǒng)電機。但是在一些對位置控制要求不高的電機控制系統(tǒng)如傳動控制系統(tǒng)中，傳統(tǒng)電機如直流電機乃有很大的優(yōu)勢，而要對其進行精確而又迅速的控制，就需要復(fù)雜的控制系統(tǒng)。隨著微電子和計算 機的發(fā)展，數(shù)字控制系統(tǒng)應(yīng)。

13、共 7 頁 第 1 頁 譯文標(biāo)題 直流電機調(diào)速 原文標(biāo)題 C 者 譯 名 國 籍 原文出處 直流電動機調(diào)速控制 摘要 調(diào)節(jié)系統(tǒng)的特征在于能保持輸出功率的穩(wěn)定。不同的速度控制系統(tǒng)可以使用不同的制動系統(tǒng) ,在有高起、制動轉(zhuǎn)矩 ,快速響應(yīng)和快速度調(diào)節(jié)范圍要求的直流調(diào)速系統(tǒng)中 ,采用的是電氣制動的方式。直流電機的速度控制取決于電樞電壓和磁通。要將轉(zhuǎn)速降為零 ,或者 U=0或 =。后者是不可能的 ,因此只可通過電樞電壓的變化來降低轉(zhuǎn)速。要將轉(zhuǎn)速增加到較高值 ,可以增大 。 關(guān)鍵詞 直流調(diào)速 反饋 制動 調(diào)節(jié)系統(tǒng) 調(diào)節(jié)系統(tǒng)是一類通常能提供穩(wěn)定輸出功率的。

14、1、任務(wù)書課題名稱 直流電機調(diào)速控制器設(shè)計姓名 學(xué)號 承擔(dān)任務(wù) 評分系統(tǒng)仿真及調(diào)試總體系統(tǒng)方案設(shè)計PWM 脈寬調(diào)制信號產(chǎn)生電路的設(shè)計控制電路的設(shè)計VHDL 程序編寫文檔編輯撰寫設(shè)計要求 設(shè)計一個直流電機 PWM 調(diào)速控制器，并能進行正反轉(zhuǎn)控制。I摘 要在現(xiàn)代工業(yè)生產(chǎn)中電機是不可或缺的，電機分為交流電機和直流的電機，而直流電機的主要優(yōu)點是能夠在較大的范圍內(nèi)調(diào)速，因此直流電機在生產(chǎn)和生活中也得到廣泛的應(yīng)用。直流電動機轉(zhuǎn)速的控制方法可分為倆類，即勵磁控制法與電樞電壓控制法。PWM（脈寬調(diào)制）是常用的一種調(diào)速方法，其基本原理是。

15、電氣技術(shù)與自動化 徐洋，等基于MSP430單片機的無刷直流電機實驗測試平臺設(shè)計 基于MSP430單片機的無刷直流電機實驗測試平臺設(shè)計 徐洋，王宏華，周強，李俊星 (河海大學(xué)能源與電氣學(xué)院。江蘇南京210098) 摘要：進行了一種適合于無刷直流電機實驗測試平臺的設(shè)計。該平臺以TI公司的MSP430 單片機為控制核心，通過串行通信與PC機相連，采集電機參數(shù)并進行實時控制。設(shè)計了PC機 與單片機通信接口軟硬件，研究了通信過程中多類型數(shù)據(jù)的傳輸格式問題。實驗結(jié)果表明，本 平臺穩(wěn)定性強，界面簡潔，滿足電機系統(tǒng)實驗測試的需要。 關(guān)鍵詞：無刷直流電。