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部落格


2006/7/18

Share the joys with who cares about me!

A Big Day
	The follows is the email from the edit-in-chief of 
IEEE Power Electronics.
    My friends, pls share the amazing moment with me! Thanks all 
of you who are often coming to my blog and giving me encouragement.
17-Jul-2006
 
Dear Mr. Li:
 
Manuscript ID TPEL-2006-05-0267 entitled "An Interleaved 
Winding-Coupled Boost Converter with Passive Lossless Clamp Circuits" which you 
submitted to the IEEE Transactions on Power Electronics, has been reviewed.  
The comments of the reviewer(s) are included at the bottom of this 
letter.
 
The reviewer(s) have recommended publication, but also suggest some 
revisions to your manuscript.  Therefore, I invite you to respond to the 
reviewer(s)' comments and revise your manuscript.
 
To revise your manuscript, log into 
http://mc.manuscriptcentral.com/tpel-ieee  and enter your Author 
Center, where you will find your manuscript title listed under "Manuscripts 
with Decisions."  Under "Actions," click on "Create a Revision."  Your 
manuscript number has been appended to denote a revision.
 
You will be unable to make your revisions on the originally submitted 
version of the manuscript.  Instead, revise your manuscript using a word 
processing program and save it on your computer.  Please also highlight 
the changes to your manuscript within the document by using the track 
changes mode in MS Word or by using bold or colored text.
 
Once the revised manuscript is prepared, you can upload it and submit 
it through your Author Center.
 
When submitting your revised manuscript, you will be able to respond to 
the comments made by the reviewer(s) in the space provided.  You can 
use this space to document any changes you make to the original 
manuscript.  In order to expedite the processing of the revised manuscript, 
please be as specific as possible in your response to the reviewer(s).
 
IMPORTANT:  Your original files are available to you when you upload 
your revised manuscript.  Please delete any redundant files before 
completing the submission.
 
Because we are trying to facilitate timely publication of manuscripts 
submitted to the IEEE Transactions on Power Electronics, your revised 
manuscript should be uploaded as soon as possible.  If it is not possible 
for you to submit your revision in a reasonable amount of time, we may 
have to consider your paper as a new submission.
 
Once again, thank you for submitting your manuscript to the IEEE 
Transactions on Power Electronics and I look forward to receiving your 
revision.
 
Sincerely,
Prof. Frede Blaabjerg
Editor in Chief, IEEE Transactions on Power Electronics
fbl@iet.aau.dk
 
 
Reviewer(s)' Comments to Author:
 
 
Reviewer: 1
Comments to Author
The proposed circuit is an original solution to the problem of DC 
voltage step -up with high gain . 
However , it should be quoted in the state of the art a previous 
attempt to solve this problem using also a two-boost structure in interleaved 
operation with magnetic coupling . See : 
R.Giral , L.Martez-Salamero, R. Leyva and J. Maix?" Sliding-Mode 
Control of Interleaved Boost Converters " IEEE Transactions on Circuits 
and Systems, I . Fundamental Theory and Applications , Vol 47, n?9 , 
September 2000, pp 1330-1339. In this reference a voltage doubler and a 
voltage quadriplier are reported.
On the other hand , to conclude that the proposed converter is an 
excellent candidate for low voltage input is a very optimistic statement . 
What would it happen for a 6 V input voltage and the same level of power 
? In such case , the currents will be approximately multiplied by a 
factor of 7 and the performances of the magnetic network will be 
undoubtedly degraded. However , for a 40 V or bigger at the input port ( typical 
output voltage of certain  fuel cells ) , the proposed converter will 
be a good candidate.
Also , note that N is not defined in expression (3) ( In fact it is 
defined later in Section III )
Expressions (22) and ( 23 ) show the voltage stresses for switches and 
clamp diodes in the case of K=1. Which are the corresponding 
expressions in the general case , i.e, K different of 1 ?
Which is the best solution of the three possible passive lossless clamp 
circuits ?
Please, correct some spelling and syntax mistakes : wingding , evolved 
, follows , feathers ,stages ( in Fig. 7 )..
In Figs 16 and 17 , power Pout should be expressed in watts.
Change the meaning of the sentence in Section III after the caption of 
Fig.5 : ".....that the duty ratio should be greater than 0.5 to obtain 
high step-up gain " Cannot we use , for instance ,D =0.4 and N=5 to 
step-up a voltage by a factor of ten ?
 
Reviewer: 2
Comments to Author
This reviewer liked very much of the idea proposed in the paper.
However, the authors should:
 
1 - To include the voltage across the diodes Do1 and Dc1 (Figure 10);
 
2 - To improve the quality of all figures to facilitate the readers 
analisys;
 
3 - To present a detailed design guide line such as  could be clear the 
operational limitation related with the design of the coupled 
inductors.
 
EIC : Add updated references.

 

2006/7/17

稳态生活的丝丝干扰

稳态生活的丝丝干扰

 

    好久没有更新Blog,那是因为生活的简单,简单到麻木.虽然窗外有花开花落,天空会云卷云舒,但都不会在我内心激起一点振荡,引起一丝涟漪.

    昨晚在休息片刻,在师弟看的movie面前驻足分把钟,一个天资聪颖的博士和一个闯荡江湖的女孩谈朋友,mm问他有什么爱好时,博士说,research,然后看书,看完书后,继续research, research之余,接着看书…..片中的丝丝揶揄让我有些难受. 联想到自己这半年以来的生活. 每天都只有简单的重复,重复着简单的生活.从星期一到星期七,白天干活,活是民工活,收入是肯定不如民工.晚上看paper, ideal, 炮制paper. 变态的浙大应该不再奖励老师会议EI论文, 于是导师们也慢慢的收紧了口袋,从鼓励,谨慎支持到不情愿让学生投会议. 堵住了我们幻想通过会议混毕业的出口. 而且学校还在不断的提高毕业要求,准备把我们温柔而又苛刻的kill在象牙塔的象牙角里.

    年少时的我,从来没有设计过自己的生活是如此单调, 虽然我一直主张让生活简单些,但绝对不是简单的重复! 丝丝的难受象添加了催化剂的反应,忽然肆无忌惮的扩展和蔓延, 让心情降落到冰点…..

    所幸, 远方朋友短短的问候让天空不在阴霾. 但是,我想我应该寻求些许的改变, 不应做生活的奴隶, 近乎麻木的神经需要些许激励, 无论是生活上, 事业上,还是感情上, 无论好坏,无论悲喜, 都行, 哪怕自我激励,形成自激振荡……

 

2006/7/3

To my dear Nephew

To my dear Nephew

 

      昨夜一夜未眠,一半是因为杭州已经出梅、正式进入酷暑;一半是因为我收到了你的照片。我一直在催促你父亲----我的弟弟----早点把你的照片寄给我,可惜你父亲难以理解伯伯对你的爱恋,忙于工作而迟迟没有寄出。当你父亲最终寄出来以后,我又天天去看邮箱,昨天终于收到来信,也“看到”了你的近况,让我激动不已,难以入睡,于是索性早早起来,写下这篇Blog,以表达伯伯对你关爱之情。

       你来到这个世界是很不容易的。去年的三月二十六日,你匆匆的打算离开你妈妈温暖且安全的身体包容,来到这个陌生而又多彩的人间。你那有着农民式的狡诘和精打细算的外婆居然选择了让你妈妈在家生产----本来我跟你父亲早就商量好让你妈妈住进医院,静静的等待你的第一声哭声----而你父亲却被你外婆说服。就是这个小小的变动,让你来到这个世界比别人多了些许波折,让你还没有来得急看到这个世界的色彩,就先领教生命之多变。当你打算来到这个世界时,却又对母亲那孕育你生命的身体有着几分留恋,迟迟不肯出来。这可是非常危险的事情,因为你的母亲已经不能再给你提供营养和保护了。这可急坏了你的父亲和家人,他们只能匆匆的把你母亲和你送到医院。而那时刚好是我在GE实习的最后阶段,正忙着项目的冲刺而通宵干活并在公司打地铺。清晨4点左右,我接到你父亲的电话----正准备恭喜你的到来----我跟你父亲说好第一时间给我消息。你父亲却紧张的描述了你的调皮和恶作剧。我来不及责怪你父亲和你外婆,就赶忙打电话到处求助。你要知道,对于这方面的知识,我跟白痴没有什么区别。还好,我们通过我同学的层层关系,终于找到一个认识的医生在你所在的城市。我的高中最好的兄弟----远在清华的陈翔----也帮我们联系到了广州一个大医院的医生;我不断的跟我的学医的同学汇报你的最新的情况并求助怎么办,又他们总是给予我宽慰,告诉我这只是你生命中的一个小插曲而已。那一天上海(我)、北京(陈翔)、广州(周嵘)、长沙(史卉妍)、郴州(李强)和东莞(你父母亲和你)连成一个网络,焦急的等待着你的到来。所幸,你只是想知道我们有多关爱你而已。最终你还是用一声难以抑制的哭声宣告了你的到来!可你是否知道,你父亲用光了多少个手机电板?而我又打了多少时间的电话?你可要你一辈子都要感恩那些与你没有血缘关系却为你的到来付出心血的叔叔和阿姨们!

       你来到这个世界也是幸福的。你作为爷爷、奶奶的第一个孙子来到这个世界,受到了所有关心你的人的关注。你刚刚出世,你奶奶就迫不及待的一个人去了东莞。你可要知道,对几乎没有上过学、不认识字、也不会普通话的奶奶来说,跨省出行是一件多么需要勇气的事情!三个月后,你爷爷也抑制不住对你的思恋,也去东莞看你去了。也许在很多人眼里,爷爷三个月以后才去看你,似乎有些不尽情理了,然而放到农村的背景和家族的实际情况来看。爷爷和奶奶对你的关爱已经难以超越了。随后,你姑姑也从专程长沙去看望你了。当然,最最关心你的是你的父母亲。你父亲跟我说,自从你到来后,他总是希望能够早早的结束工作,然后回家亲亲你,就算看你尿湿他的裤子也是一种幸福!你妈妈一直任劳任怨的专职照顾着你,到现在都还呆在家,没有去上班。

        你的父亲把全部的心血都倾注到了你身上,连我都很惊讶于你父亲的呕心沥血。当你父亲告诉我你一个月的奶粉费几乎要1k时,我很吃惊。你要知道,1k RMB曾经是你父亲半年的收入!你父亲用更加艰辛的劳动来抚育你、来享受做父亲的幸福!

        上次跟你姑姑打电话时,你姑姑说想等你再长大点时,把你接到长沙去,让奶奶在长沙照顾你,因为他们刚好买了个大房子,各方面的条件都比爸爸那边相对好些。而且你爸爸妈妈也必须开始考虑多份工作,给你賺点学费、进行教育投资了!

       作为你的伯伯,我将给予你特别的关爱。你的到来,转移了家族的焦点,给我减了不少的压力。同时,你将作为下一代的长子,与我有着类似的身份。因此我希望你以后:

明理;

珍惜情;

懂得责任;

做个男子汉!

       你不一定要附和、赞同长辈的观点,但一定要尊敬长辈!所有的长辈都想用自己的人生经历来铺平你的人生之路,让你少走弯路、少受挫折、多些幸福、早点成功。无论他们正确与否,你都要懂得感恩!

      人生的幸福来源于情!亲情、友情和爱情是人类千古不变的维系。你要一辈子珍惜父母亲情之爱;等你慢慢的长大,你要珍惜友情,友情是你终身的财富;等你真正长大后,要珍惜爱情,爱情将给你美妙、难以言状的人生体验和幸福。

      “长兄当父”,你爷爷从小这么教育我,我也这句话写给你。作为家族的长子,你在明理的基础上,一定要懂得责任!家族的兴衰、沉亡与长子有着重要的关系。你的身份,注定要责无旁贷的挑起这副重担!

      一个真正的男子汉,不一定要魁梧的身材,不一定要宽厚的肩膀,但一定要勇敢、坚毅、自信、明理、惜爱、懂得责任!

       我想你会是一个真正的男子汉!

 

                                       伯伯 寄语于

                                      2006-6-30 临晨