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  • 電阻-電容-電感 Altium Designer AD原理圖庫元件庫

    電阻-電容-電感 Altium Designer AD原理圖庫元件庫CSV text has been written to file : 0.1 - 電阻-電容-電感.csvLibrary Component Count : 35Name                Description----------------------------------------------------------------------------------------------------C                   貼片電容C-MLCC              獨石電容CBB                 CBB電容CC                  瓷片電容CE                  直插電解電容CE_SMD              貼片電解電容CS                  直插固態電容CS_SMD              貼片固態電容CT                  貼片鉭電容CX                  安規X電容CY                  安規Y電容L                   小功率貼片電感L-AL                色環電感L-CDRH              功率屏蔽電感L-MR                功率磁環電感L-NR                NR磁膠電感L-PK                工字電感L-SMD               CD系列貼片線繞功率電感L-UU                共模電感PTR902              雙聯電位器帶開關R                   貼片電阻R SIP9              9腳直插排阻R-8P4R              貼片排阻R-I                 電流檢測電阻R-Precision         精密貼片電阻R-S                 色環電阻RG                  光敏電阻RK0971221           雙聯電位器帶開關RP                  單聯電位器RP-SMD              貼片電位器RP-WH148            雙聯電位器RT                  熱敏電阻R_MPR               5W無感水泥電阻R_VSR               壓敏電阻TMR                 隧道磁電阻

    標簽: 電阻元件 altium designer

    上傳時間: 2022-03-13

    上傳用戶:

  • S32K144的主從式BMS主控單元設計

    目前電動汽車主要以鋰電池作為動力來源,為了提高鋰電池的使用時間和安全性,為鋰電池提供安全良好的運行環境,電池管理系統應運而生。BMS主控單元基于S32K144汽車級單片機,通過主從式網絡控制結構能夠對鋰電池的各個參數進行采集與分析。采用擴展卡爾曼濾波對電池的荷電狀態(SOC)進行估算,克服普通估算方法無法避免電池內阻誤差的缺點,通過Matlab/Simulink軟件仿真驗證可使估算誤差達到2%以內。At present,electric vehicles mainly use lithium batteries as the power source.In order to improve the running time and safety of lithium batteries,a safe and good operating environment for power batteries is provided,and a battery management system(BMS) has emerged.The BMS main control unit is based on the S32K144 automotive-grade control chip.Through the master-slave network control structure,it can collect and analyze the various parameters of the lithium battery.The Extended Kalman Filter(EKF) is used to estimate the state of charge(SOC) of the battery,which overcomes the shortcomings of the internal estimation method that cannot overcome the internal resistance error of the battery.It can be verified by Matlab/Simulink software simulation.The estimation error is within 2%.

    標簽: s32k144 bms

    上傳時間: 2022-03-26

    上傳用戶:XuVshu

  • 半導體制冷溫度控制系統的設計研究

    在半導體制冷技術的工作性能及其優缺點研究的基礎上,設計了以單片機為核心控制元件,以TEC1-12706為執行元件的半導體制冷溫度控制系統。采用高精度分段式PID控制算法配合PWM輸出控制的方法實現溫度控制;選擇數字傳感器DS18B20為溫度檢測元件,還包含1602液晶顯示模塊、按鍵調整輸入模塊和H橋驅動模塊等。實際測試表明,該系統結構簡單易行,操作方便,工作性能優良,同時針對該系統專門設計的溫控算法,使半導體制冷器能更好地適應不同工況而充分發揮其制冷制熱工作特性。Based on the study of the performance and advantages and disadvantages of thermoelectric cooler(TEC)technology,a thermoelectric cooling temperature control system with single-chip microcomputer as the core control element and TEC1-12706 as the executive element was designed. High precision piecewise PID control algorithm combined with PWM output control method is adopted to realize temperature control. The digital sensor DS18B20 is selected as the temperature detection element. It also includes 1602 LCD module,key adjustment input module and H bridge drive module. The actual test shows that the system has simple structure,convenient operation and excellent performance. Meanwhile,the temperature control algorithm specially designed for the system can make the semiconductor cooler better adapt to different working conditions and give full play to its refrigeration and heating characteristics.

    標簽: 半導體 溫度控制系統

    上傳時間: 2022-03-27

    上傳用戶:

  • 基于單片機的紅外測溫裝置設計

    溫度控制如今已成為當代社會研究的熱點之一,而溫度檢測在現代設備參數檢測中也是一項極其重要的技術,應用十分廣泛。與傳統的測溫方法相比,紅外測溫方法具有時間短、精度高、使用簡單方便等優點。本文以環境溫度為被測對象,設計了以STC89C52單片機為控制中心的紅外測溫裝置,能夠實現對目標溫度的實時采集、處理、顯示和報警等功能。本設計主要是由STC89C52單片機、紅外測溫傳感器、LCD1602液晶顯示器、按鍵和蜂鳴器等部分組成,采用非接觸的方式對目標溫度進行實時檢測。Temperature control has become one of the hotspots in contemporary social research,and temperature detection is an extremely important technology in modern equipment parameter detection.Compared with traditional method,the infrared temperature measuring method has advantages of short time,high precision and convenient operation,etc.This paper consider environment temperature as research objects and designs an infrared temperature measuring device which employs the STC89C52singlechipas-control center,and it can realize timely collection,processing,display and alarm function of the target temperature.The design is mainly composed of STC89C52 singlechip,infrared temperature sensor,LCD1602monitor,keys and buzzer,etc.This design detects the target temperature by non-contact method.

    標簽: 單片機 紅外測溫

    上傳時間: 2022-03-27

    上傳用戶:jiabin

  • 磁致伸縮位移傳感器的設計與實現

    本文設計了一種磁致伸縮位移傳感器,介紹了該磁致伸縮位移傳感器的測量原理,通過結構優化設計提高了儀器的性能,詳述了硬件電路設計及實現方法,完成了軟件設計,實現了高壓充電、問詢脈沖加載、時間測量及濾波等功能,并通過實驗對其性能進行了驗證。所研制的磁致伸縮位移傳感器具有測量精度高、長期穩定性好等特點,滿足了大量程、高精度、惡劣環境等測量的要求。A kind of sensor based on magnetostrictive principle is designed.The measuring principle of the magnetostrictive displacement sensor is introduced,the performance of the instrument is improved by the structural optimization design,and introduced the hardware circuit design and the realization method,completed the software design,realized the functions of the high voltage charging,inquiries pulse loading,time measurement and filtering,and its performance is verified through the experiment.The magnetostrictive displacement sensor has the characteristics of high measuring precision.The sensor meets the requirements of large range,high precision,poor environment and so on.

    標簽: 位移傳感器

    上傳時間: 2022-04-06

    上傳用戶:

  • 高精度雙向DC電源電流采樣電路設計

    為適應雙向DC/DC功率變換的電流采樣需求,一種高精度高邊電流采樣電路被提出。其基本思想是在功率電路的高邊串入采樣電阻,借助電流鏡原理并引入偏置電流電路,將雙向電流均轉換為正向電壓輸出。通過理論分析與仿真結合的方法對電流鏡采樣原理及4種不同的偏置電流電路方案進行對比,最后通過實驗數據驗證了高精度高邊電流采樣電路的有效性。實驗數據表明,該采樣電路可在-25~75℃的溫度工作范圍內,針對-10~+10 A范圍內的電流采樣實現優于5%的采樣精度。Current sensing plays an important role in controlling,monitoring or protection functions of power systems.To meet the current sensing requirement of bidirectional DC/DC converters,a high-accuracy bidirectional current sensing circuit is proposed.The proposed current sensing circuit inserts a resistor in the path of the current to be sensed,while the current mirror and biased current circuit are introduced.Therefore,the bidirectional current can be expressed by positive voltage.By theoretical analysis and simulation,the sampling theory is analyzed and four biased current circuits are compared.At last,experimental results verified the proposed method.It is demonstrated that the proposed current sensing circuit can achi...

    標簽: 雙向DC電源 電流采樣

    上傳時間: 2022-04-22

    上傳用戶:

  • AD軟件常用電感器件的3D封裝lukougao

    電感種類很多,現在按照電感的常用型號進行分類如下:貼片功率電感(無屏蔽)--IND_CD{ Type }--(風華高科的PIO系列,岑科的CKO系列);貼片功率電感(超薄)------Ind_SWPA{ Type }--風華高科的PRS系列;貼片屏蔽功率電感-------IND_CDRH{ Type }----風華高科的MS系列,岑科的CKCH系列;貼片NR電感-------------IND_NR{ Type }----風華高科的PRS系列,岑科的CKCS系列;貼片小功率電感-----Ind_SMD_E{ Type }--風華高科的貼片電感系列;直插繞線電感----Ind_PK{ Type }---風華高科的VL型立式固定系列;

    標簽: ad 電感 器件 3d封裝

    上傳時間: 2022-04-29

    上傳用戶:zhanglei193

  • 基于AD2S1210的高精度RDC電路設計

    本文提出基于AD2S1210的旋變信號轉換電路,給出了具體的電路實現方法和配置方法.相比以往的RDC方案,本系統具有精度高,設計靈活,可靠性高等特點,可廣泛應用于各種伺服系統中.In this paper, the switching signal conversion circuit based on ADS1210 is proposed, and the specific circuit implementation and configuration method are given. Compared with the previous RDC scheme, this system has the characteristics of high precision, flexible design and high reliability, and can be widely used in various servo systems.

    標簽: ad2s1210

    上傳時間: 2022-05-04

    上傳用戶:

  • 基于TMS320F28335的超聲波流量計硬件原理圖+軟件源碼

    基于TMS320F28335的超聲波流量計硬件原理圖+軟件源碼本文以TMS320F28335 處理器為核心,設計一種用于管道流量測量的超聲波流量計。系統硬件由核心板,超聲波發射和接收電路,切換電路,超聲換能器,基于ADS805 的高速信號采集電路,人機交互以及電源等模塊構成。采用時差法進行管道流量測量,時差測量采用SCOT 加權的廣義互相關時延估計算法。本論文設計的超聲波流量計具有測量速度快、準確性好、成本低等優點。關鍵字:C2000,超聲波,流量,廣義互相關算法AbstractA kind of ultrasonic flowmeter using for the pipe flow measurement is designed based onTMS320F28335 in this paper. The system hardware consists of the following parts: the core board,ultrasonic signal transmitter and receiver circuits, switch circuit, ultrasonic transducer, signalacquisition circuit based on ADS805, human-computer interaction module and power supplymodule, etc. The system use the method of time difference for pipeline flow measurement and thetime difference is calculated by the time-delay algorithm of SCOT weighted generalizedcross-correlation. The ultrasonic flowmeter has the features of high testing speed, high precisionand low cost, etc.Keywords: C2000,Ultrasonic, Flow, Generalized Cross-Correlation Algorithm

    標簽: tms320f28335 超聲波流量計

    上傳時間: 2022-05-06

    上傳用戶:

  • 基于DSP28335的永磁同步電機調速系統設計

    基于DSP28335的永磁同步電機調速系統設計摘要(中英文)     本控制系統的設計是為了實現基于TMS320F28335的永磁同步電動機的調速系統,并把它引用到全電動注塑機當中。本系統使用SVPWM的控制方法,通過采樣電機電流和旋轉變壓器的位置信息,實現速度、電流雙閉環控制。通過TMS320F28335的硬件浮點處理核心,實現應用于永磁同步電機的浮點算法,去取代過去的定點算法,提高代碼效率。 Abstract: The control system is designed to realize TMS320F28335 based on the permanent magnet synchronous motor speed control system, and put it to quoting all electric of injection molding machine. The ystem of the control method used SVPWM, through the sampling motor current and rotating transformer 1.        引言1.1 設計背景及目的    本永磁同步電機調速系統是全電動注塑機的其中一個應用部分。全電動注塑機憑借著其節約能源、清潔、噪聲少、速度控制效果好、精度高、可重復性高、成本低等眾多優點,成為了當下高端注塑機發展的一個方向。    全電動注塑機的所有運動機構都采用交流伺服電動機驅動,一個穩定高效的永磁同步電動機驅動方案成為了全電動注塑機性能的一個總要部分。本次設計以適用于全電動注塑機的永磁同步電動機控制系統為目標進行設計,采用TI公司的TMS320F28335作為控制核心。憑借TMS320F28335高速的運算能力,適用于電動機控制的各種外設,以及TMS320F283XX特有的硬件浮點運算能力,進行永磁同步電動機的調速控制系統的設計。

    標簽: dsp28335 永磁同步電機

    上傳時間: 2022-05-08

    上傳用戶:

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