永磁直線同步電機(jī)矢量控制模型的優(yōu)化與準(zhǔn)確性分析
作者:張棟梁
單位:北京信息科技大學(xué),北京 100192
摘要:基于永磁直線同步電機(jī)數(shù)學(xué)模型,構(gòu)建具有三閉環(huán)控制結(jié)構(gòu)的永磁直線同步電機(jī)伺服控制系統(tǒng),并采用電壓空間矢量控制策略,在MatLab/Simulink環(huán)境下搭建永磁直線同步電機(jī)伺服控制系統(tǒng)整體仿真模型,通過對仿真實驗結(jié)果的分析,表明了該模型的正確性,為后續(xù)高精度永磁直線同步電機(jī)控制方法的研究提供了基礎(chǔ)模型。
關(guān)鍵詞:永磁直線同步電機(jī);數(shù)學(xué)模型;電壓空間矢量控制;仿真模型
中圖分類號:TP273 文獻(xiàn)標(biāo)識碼:A
文章編號:1006-883X(2018)01-0007-06
收稿日期:2017-09-26
Analysis of optimization and accuracy on vector control model of permanent magnet linear synchronous motor
ZHANG Dong-liang
Beijing Information Science & Technology University, Beijing 100192, China
Abstract: A servo control system with a three-closed-loop control structure for permanent magnet linear synchronous motor(PMLSM) is constructed based on the mathematical model of PMLSM. The voltage space vector control strategy is adopted to build a overall simulation model of the servo control system for PMLSM in MatLab/Simulink environment. The results of the experiments are analyzed and proves the correctness of the simulation model which provides a basic model for the subsequent research on the control method of high-precision PMLSM.
Key words: permanent magnet linear synchronous motor(PMLSM); mathematical model; voltage space vector control; simulation model
基于直流電機(jī)控制的智能尋跡小車
作者:李星,楊秀媛,李銀銀
單位:北京信息科技大學(xué),北京 100192
摘要:設(shè)計了基于STC12C5A單片機(jī)的智能尋跡小車。利用小車前側(cè)及左右兩側(cè)的光電傳感器檢測跑道上的黑線,以STC12C5A單片機(jī)為控制芯片控制電動機(jī)及時調(diào)整轉(zhuǎn)向并利用PWM進(jìn)行調(diào)速,從而實現(xiàn)小車沿跑道行駛以及超車的功能。其中尋跡信息采集部分以反射式光電傳感器和比較器組成,將采集到的數(shù)據(jù)處理后送至單片機(jī)。利用單片機(jī)輸出的PWM波經(jīng)L298N實現(xiàn)對電機(jī)轉(zhuǎn)速的控制,從而實現(xiàn)小車的智能化。該小車具有自動尋跡、起始點檢測以及自動聲光報警等功能?;诜€(wěn)定的硬件電路設(shè)計以及精確可靠的軟件算法,小車能夠?qū)崿F(xiàn)預(yù)期功能。
關(guān)鍵詞:STC12C5A單片機(jī);L298N驅(qū)動;光電傳感器;PWM調(diào)速
中圖分類號:TP29 文獻(xiàn)標(biāo)識碼:A
文章編號:1006-883X(2018)01-0013-05
收稿日期:2017-10-20
Design of an intelligent auto-tracking car based on DC motor control
LI Xing, YANG Xiu-yuan, LI Yin-yin
Beijing Information Science & Technology University, Beijing 100192, China
Abstract: An intelligent auto-tracking car based on DC motor control is designed in this paper, which uses the photoelectric sensors at the front and the left and right sides of the car to detect the black line on the runway, STC12C5A MCU as the core to control the motor for adjusting the direction of the car, and the PWM signals to adjust the speed, so as to realize the car driving along the runway and the function of overtaking. The tracing information acquisition part is composed of the reflective photoelectric sensors and the comparator, which processes the collected data and sends them to the MCU. The control of motor speed is realized by using PWM wave output from SCM to realize the intelligentialize of the car. The car has automatic tracking, starting point detection and automatic sound alarm and other functions. Based on stable hardware circuit design and accurate and reliable software algorithm, the car can realize the expected function.
Key words: STC12C5AMCU; L298N; photoelectric sensor; PWM timing
電池組改進(jìn)型電感均衡電路研究
作者:楊堅,張巧杰,趙旭
單位:北京信息科技大學(xué) 自動化學(xué)院,北京 100192
摘要:為了解決傳統(tǒng)電感型均衡電路只能實現(xiàn)電池單體之間能量單向流動、效率低下、結(jié)構(gòu)復(fù)雜等問題,提出一種新的均衡電路拓?fù)?,可實現(xiàn)由任何電壓高的電池單元向任何電壓低的單體電池轉(zhuǎn)移電能,實現(xiàn)電池組間主動平衡。首先,為確保電能可實現(xiàn)雙向流動以及均衡電流可工作在連續(xù)狀態(tài)下,對經(jīng)典Buck-Boost電路進(jìn)行改進(jìn)作為串聯(lián)電池組均衡單元;然后,根據(jù)均衡電路特點,計算各個開關(guān)管占空比,實現(xiàn)串聯(lián)電池組間電能由高到低的流動,其次,通過電路分析,推導(dǎo)出均衡電流值;最后在Simulink平臺進(jìn)行仿真實驗,證明該均衡電路的有效性。
關(guān)鍵詞:均衡電路;主動平衡;電池串聯(lián);能量轉(zhuǎn)移
中圖分類號:TM912 文獻(xiàn)標(biāo)識碼:A
文章編號:1006-883X(2018)01-0019-06
收稿日期:2017-10-12
Improved inductance equalization circuit for battery pack
YANG Jian, ZHANG Qiao-jie, ZHAO Xu
Automation Institute, Beijing Information Science & Technology University, Beijing 100192, China
Abstract: In order to solve the problems of traditional inductance balanced circuits, such as one-way-flow energy between batteries, low efficiency, complex structure and so on, a new balanced circuit topology is presented in this paper, which can transfer electric energy from high voltage battery unit to low voltage battery to achieve the balance between batteries. In order to ensure that the electric energy can achieve two-way-flow and the balanced current can work in continuous state, the classic Buck-Boostcircuit is improved at first as a balancing unit for series battery pack. Then, the duty cycle of each switching is calculated according to the characteristics of the balancing circuit to complete electric energy flowing from the high to the low in the series battery pack. Secondly, the balanced current value is derived by analyzing the circuit. Finally, the simulation experiments are done on Simulink platform, and the effectiveness of the balanced circuit is proved.
Key words: equalization circuit; active balance; battery series; energy transfer
分?jǐn)?shù)階控制器在光電吊艙控制中的應(yīng)用
作者:王笑超,李明秋
單位:長春理工大學(xué) 電子信息工程學(xué)院,吉林長春 130022
摘要:主要對光電吊艙俯仰環(huán)采用系統(tǒng)辨識法進(jìn)行數(shù)學(xué)建模,基于幅值裕量和相位裕量法對分?jǐn)?shù)階PIλDμ控制器參數(shù)整定,采用ALAlaoui+CFE脈沖響應(yīng)不變法對控制器進(jìn)行離散化實現(xiàn),結(jié)合卡爾曼濾波器對模型進(jìn)行仿真分析,結(jié)果表明基于卡爾曼濾波器的分?jǐn)?shù)階PIλDμ控制器比純分?jǐn)?shù)階PIλDμ控制器具有更好的控制效果、更強(qiáng)的魯棒性和抗干擾能力。
關(guān)鍵詞:幅值裕量;相位裕量;分?jǐn)?shù)階PIλDμ控制器;卡爾曼濾波器;抗干擾能力
中圖分類號:TP273 文獻(xiàn)標(biāo)識碼:A
文章編號:1006-883X(2018)01-0026-05
收稿日期:2017-11-09
Application of fractional controller in photoelectric pod control
WANG Xiao-chao, LI Ming-qiu
School of Electronics and Information Engineering, Changchun University of Science and Technology, Changchun 130022, China
Abstract: The mathematical model of optical pod pitch is established by using the system identification method. The controller parameters of fractional order PIλDμare tuned based on the amplitude margin and phase margin method, and the AL-Alaoui+CFE impulse response invariant method is used to discretize the controller. Finally, the model is simulated and analyzed with Kalman filter, and the results show that the fractional order PIλDμcontroller based on the Kalman filter has better control effect, stronger robustness and anti-interference ability than pure fractional order PIλDμcontroller.
Key words: amplitude margin; phase margin; fractional order controller; Kalman filter; anti-interference ability
心無旁騖,“專注”鑄造精品
——德國Novotechnik傳感器中國子公司總經(jīng)理高巍先生訪談
作者:本刊編輯部
摘要:記錄了《傳感器世界》記者于2017年12月對Novotechnik中國子公司總經(jīng)理高巍先生進(jìn)行的一次專訪。高巍先生介紹了Novotechnik傳感器的發(fā)展歷程,回憶起Novotechnik進(jìn)入中國后的點點滴滴,談到公司遇到的困難,取得的成績,也暢談了未來的規(guī)劃。同時,高巍先生也對目前國際半導(dǎo)體市場出現(xiàn)的并購潮以及中國傳感器行業(yè)的現(xiàn)狀與未來發(fā)展發(fā)表了自己獨特的看法和見解。
關(guān)鍵詞:采訪;Novotechnik;傳感器;企業(yè)建設(shè);市場分析
中圖分類號:G212 文獻(xiàn)標(biāo)識碼:D
文章編號:1006-883X(2018)01-0032-04
收稿日期:2017-12-20
No distractions .Focus on the best.
--Interview with Mr. Gao Wei, General manager of China subsidiary of Novotechnik
Author: Sensorworld Mag
Abstract: An interview with Mr. Gao Wei, general manager of China subsidiary of Novotechnik, in December 2017 is recorded. Mr. Gao Wei introduced the development history of Novotechnik, recalled the details happened after Novotechnik entering into China, talked about the difficulties encountered, achievements obtained and the future plans. Mr. Gao Wei also gave his own unique views and opinions on the current m&a trends in the international semiconductor market and the current situation and future development of sensor industry in China.
Key words: interview; Novotechnik; sensor; enterprise construction; market analysis
物聯(lián)網(wǎng)——啟動互聯(lián)世界
作者:Brian Buchanan
單位:安森美半導(dǎo)體
摘要:這是一篇關(guān)于物聯(lián)網(wǎng)技術(shù)的專稿,描繪了物聯(lián)網(wǎng)給我們帶來的改變與挑戰(zhàn),根據(jù)安森美半導(dǎo)體的信息來源,評估并預(yù)測了物聯(lián)網(wǎng)未來的市場規(guī)模及應(yīng)用,針對移動寬帶的覆蓋、數(shù)據(jù)信息的傳輸、感測方案的設(shè)計等問題進(jìn)行了詳細(xì)的討論。最后介紹了安森美半導(dǎo)體實現(xiàn)物聯(lián)網(wǎng)發(fā)展和普及的技術(shù)方案和產(chǎn)品,給出了安森美半導(dǎo)體如何支持物聯(lián)網(wǎng)潛能的示例。
關(guān)鍵詞:物聯(lián)網(wǎng);市場預(yù)測;傳感器解決方案;安森美半導(dǎo)體
中圖分類號:T-1 文獻(xiàn)標(biāo)識碼:D
文章編號:1006-883X(2018)01-0036-02
收稿日期:2017-11-17
Internet of things start the inconnected world
Brian Buchanan
ON Semiconductor
Abstract: An feature about the features of Internet of Thing(IoT) technology is presented, which describes the changes and challenges from the IoTs, assesses and predicts the market scale and the applications of the IOTs in the future based on the information from ON Semiconductor, discusses the questions in detail about coverage of mobile broadband, information transmission, design of sensor solutions and so on. Finally, the technology schemes and products from ON Semiconductor for the development and popularization of the IoTs are introduced, and some examples of ON Semicoductor how to support the potential applications of the IoTs are given.
Key words: Internet of Thing; market forecast; sensor solution; ON Semiconductor.