發(fā)布時(shí)間：2018-08-26 20:23

【摘要】：為滿足感應(yīng)耦合電能傳輸(inductively coupled power transfer,ICPT)系統(tǒng)在實(shí)現(xiàn)電能正向無(wú)線傳輸?shù)耐瑫r(shí),對(duì)副邊電路狀態(tài)信息的采集與反向傳輸,基于ICPT系統(tǒng)電能耦合傳輸通道,提出了一種在負(fù)載變化情況下,電能與信號(hào)反向同步傳輸ICPT系統(tǒng),并對(duì)其控制方法進(jìn)行了深入研究。該系統(tǒng)在副邊增加信號(hào)調(diào)制電容,檢測(cè)負(fù)載大小以確定具體的信號(hào)調(diào)制方案,通過(guò)切入與切出該調(diào)制電容以改變?cè)呺娏鞑ㄐ伟j(luò),進(jìn)而將數(shù)字信號(hào)調(diào)制到系統(tǒng)中,這樣原邊在發(fā)射電能的同時(shí)接收來(lái)自副邊的狀態(tài)信息,最后通過(guò)設(shè)計(jì)信號(hào)解調(diào)機(jī)構(gòu),復(fù)原信號(hào)。首先介紹了ICPT系統(tǒng)電能與信號(hào)同步傳輸原理,在此基礎(chǔ)上,提出電能與信號(hào)反向同步傳輸ICPT系統(tǒng);然后,通過(guò)對(duì)該系統(tǒng)進(jìn)行建模分析得到負(fù)載變化情況下不同的信號(hào)調(diào)制策略,并對(duì)系統(tǒng)變負(fù)載情況下系統(tǒng)特性進(jìn)行了分析和研究;最后,針對(duì)理論分析進(jìn)行了仿真與實(shí)驗(yàn)驗(yàn)證,實(shí)驗(yàn)實(shí)現(xiàn)了ICPT系統(tǒng)在電能正向傳輸情況下的信號(hào)的反向低誤碼率傳輸。該研究結(jié)果可以為ICPT系統(tǒng)電能與信號(hào)反向同步傳輸系統(tǒng)的設(shè)計(jì)與研究提供參考。
[Abstract]:In order to meet the requirements of the induction coupled power transmission (inductively coupled power transfer,ICPT) system, while realizing the forward wireless transmission of electric energy, the state information of the secondary circuit is collected and transmitted in reverse direction. Based on the ICPT system, the coupled power transmission channel is used. In this paper, a reverse synchronous transmission ICPT system for power and signal is proposed, and its control method is deeply studied. The system increases the signal modulation capacitance at the secondary edge, detects the load size to determine the specific signal modulation scheme, changes the envelope of the original current waveform by cutting in and cutting out the modulation capacitance, and then modulates the digital signal into the system. In this way, the original side receives the state information from the secondary side while transmitting the electric energy. Finally, the signal demodulation mechanism is designed to recover the signal. This paper first introduces the principle of synchronous transmission between power and signal in ICPT system, then proposes a reverse synchronous transmission ICPT system of power and signal, and then, by modeling and analyzing the system, different signal modulation strategies are obtained under the condition of load change. The characteristics of the system are analyzed and studied under the condition of variable load. Finally, the simulation and experimental verification of the theoretical analysis are carried out, and the reverse low bit error rate (LBER) transmission of the signal in the ICPT system is realized in the case of forward power transmission. The results can be used as a reference for the design and research of ICPT power and signal reverse synchronous transmission system.
【作者單位】： 江蘇省煤礦電氣與自動(dòng)化工程實(shí)驗(yàn)室(中國(guó)礦業(yè)大學(xué));
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(51307173) 江蘇省自然科學(xué)基金項(xiàng)目(BK20130188) 江蘇省煤礦電氣與自動(dòng)化工程實(shí)驗(yàn)室建設(shè)項(xiàng)目(2014KJZX05)~~
【分類號(hào)】：TM724

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