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7、充值購買 費領(lǐng)取附件程序文件 中文摘要 傳統(tǒng)的電機檢測設(shè)備主要依靠人工檢測工作，自動化程度不高，需要人工測試和記錄數(shù)據(jù)并對數(shù)據(jù)進行處理分析 ,這很大程度上限制了電動車檢測的效率，所以需要設(shè)計一套自動化測試平臺對電機的性能進行檢測。針對于無刷電機性能綜合測試，采用 形化測試軟件，通過傳感器測量電壓、電流、轉(zhuǎn)速、扭矩等參數(shù)；通過上位機軟件調(diào)節(jié)轉(zhuǎn)速和扭矩，動態(tài)模擬電機實際運行狀態(tài)，實現(xiàn)電機的輸入功率、輸出功率和工作效率的測量。系統(tǒng)具有計算、顯示、報警、存儲和打印報告等功能，可檢測電機的綜合性能，并判定產(chǎn)品合。

8、中文摘要 傳統(tǒng)的電機檢測設(shè)備主要依靠人工檢測工作，自動化程度不高，需要人工測試和記錄數(shù)據(jù)并對數(shù)據(jù)進行處理分析 ,這很大程度上限制了電動車檢測的效率，所以需要設(shè)計一套自動化測試平臺對電機的性能進行檢測。針對于無刷電機性能綜合測試，采用 形化測試軟件，通過傳感器測量電壓、電流、轉(zhuǎn)速、扭矩等參數(shù)；通過上位機軟件調(diào)節(jié)轉(zhuǎn)速和扭矩，動態(tài)模擬電機實際運行狀態(tài)，實現(xiàn)電機的輸入功率、輸出功率和工作效率的測量。系統(tǒng)具有計算、顯示、報警、存儲和打印報告等功能，可檢測電機的綜合性能，并判定產(chǎn)品合格與否，提高了產(chǎn)品檢驗 的效。

9、基于 FPGA 和虛擬儀器的 DDS 信號發(fā)生器設(shè)計2013-11-19 10:21:57 來源：互聯(lián)網(wǎng)分享到：標簽：虛擬儀器 FPGA DDS 信號發(fā)生器將虛擬儀器技術(shù)同 FPGA 技術(shù)結(jié)合，設(shè)計了一個頻率可控的 DDS 任意波形信號發(fā)生器。在闡述直接數(shù)字頻率合成技術(shù)的工作原理、電路構(gòu)成的基礎(chǔ)上，分別介紹了上位機虛擬儀器監(jiān)控面板的功能和結(jié)構(gòu)，以及實現(xiàn) DDS 功能的下位機 FPGA 器件各模塊化電路的作用。經(jīng)過設(shè)計和電路測試，輸出波形達到了技術(shù)要求，工作穩(wěn)定可靠。信號發(fā)生器是一種常用的信號源，廣泛應(yīng)用于通信、測量、科研等現(xiàn)代電子技術(shù)領(lǐng)域。信號發(fā)生器的核心。

10、1VIRTUAL INSTRUMENT AND FREQUENCY CONVERSIONTECHNOLOGY-BASED BRAKE TEST SYSTEMBrake is widely useful and very important safety assuring equipment. The aim of Brake test system， which is based on visual instrument and frequency changing technology， is to integrative measure and analyze the performance and quality of the brake.This paper mainly introduces the principle， composing，function and features of the brake test system. And from the point of view of the principle of Visual Instrument （。

11、第2章數(shù)據(jù)類型和結(jié)構(gòu),2.1數(shù)值型數(shù)據(jù)2.2布爾型數(shù)據(jù)2.3字符串2.4數(shù)組和簇2.5波形數(shù)據(jù)2.6動態(tài)數(shù)據(jù)類型2.7局部變量和全局變量,2.1數(shù)值型數(shù)據(jù),在前面板窗口中，數(shù)值型數(shù)據(jù)控件位于ALLControlsNumeric子面板中，其中包括數(shù)值輸入/顯示控件、時間標識/顯示控件、垂直填充/指示滑動桿、垂直進度/刻度條、水平填充/指示滑動桿、水平進度/刻度條、旋鈕、儀表、液管、溫度計。