| 5 | 1/1 | 返回列表 |
| 查看: 1310 | 回復(fù): 6 | ||||
| 當(dāng)前只顯示滿足指定條件的回帖,點(diǎn)擊這里查看本話題的所有回帖 | ||||
yangxiao55新蟲 (小有名氣)
|
[交流]
多時(shí)滯線性系統(tǒng)仿真 已有2人參與
|
|||
|
我最近完成一多時(shí)滯線性系統(tǒng)仿真程序: http://www.mathworks.cn/matlabce ... -time-delay-systems 程序說(shuō)明: In our book [1], we some stability test theorems for linear time-delay system. To verify our stability test theorems and others' stability test algorithms [2], we provide this simulation program of time-delay systems. You can use the program, to find that the results of [2] are incorrecct. The following example is taken from the case 1 of [2], where [2] claimed to found a stable region for the time-delay system of case 1,however, the simulation shows that the the time-delay system of case 1 is unstable, dx(t)/dt=Ax(t)+B1x(t-t1)+B2x(t-t2)+B3x(t-t1)+B4x(t-t4) with delay parameters: t1=.4;t2=.5; t3=.169;t4=0.26. Thus, the main results of [2] are incorrect. [1] Yang Xiao, Yingkang Zhang, Multidimensional Signal Processing and Multidimensional Systems, Publishing House of Electronics Industry, Beijing, 2011. [2] Rifat Sipahi and Ismail Ilker Delice, Advanced Clustering With Frequency Sweeping Methodology for the Stability Analysis of Multiple Time-Delay Systems,IEEE TRANSACTIONS ON AUTOMATIC CONTROL, VOL. 56, NO. 2, 2011, pp.467-472. [ Last edited by yangxiao55 on 2012-8-25 at 10:00 ] |
research |

新蟲 (小有名氣)

木蟲 (正式寫手)
銅蟲 (小有名氣)

新蟲 (小有名氣)
|
1. 我設(shè)計(jì)的程序可以驗(yàn)證文獻(xiàn)[2]的主要結(jié)果是錯(cuò)的. 而文獻(xiàn)[2]發(fā)表在頂級(jí)期刊:IEEE TRANSACTIONS ON AUTOMATIC CONTROL上. [2] Rifat Sipahi and Ismail Ilker Delice, Advanced Clustering With Frequency Sweeping Methodology for the Stability Analysis of Multiple Time-Delay Systems,IEEE TRANSACTIONS ON AUTOMATIC CONTROL, VOL. 56, NO. 2, 2011, pp.467-472. 文獻(xiàn)[2]宣稱可以給出多時(shí)滯系統(tǒng)的穩(wěn)定邊界,但是本程序發(fā)現(xiàn)在其宣稱的穩(wěn)定邊界內(nèi)的系統(tǒng)確實(shí)不穩(wěn)定的. 2. 文獻(xiàn)[1]中的有關(guān)穩(wěn)定性檢驗(yàn)為多時(shí)滯系統(tǒng)穩(wěn)定的充分條件, 尚不能確定多時(shí)滯系統(tǒng)的穩(wěn)定邊界. 3. 多時(shí)滯系統(tǒng)的穩(wěn)定邊界的確定需要給出多時(shí)滯系統(tǒng)穩(wěn)定的充要條件,目前基于LMI的多時(shí)滯系統(tǒng)穩(wěn)定條件均無(wú)法得到多時(shí)滯系統(tǒng)的穩(wěn)定邊界. 4. 文獻(xiàn)[2]的問(wèn)題在于其主要結(jié)果不是多時(shí)滯系統(tǒng)穩(wěn)定的充要條件, 因此才會(huì)出現(xiàn)將不穩(wěn)定的系統(tǒng)歸入穩(wěn)定集合的情況. 5. 目前, 多時(shí)滯系統(tǒng)穩(wěn)定性方面的許多發(fā)表論文, 并不進(jìn)行系統(tǒng)仿真,讀者難以確定其結(jié)果在實(shí)際應(yīng)用中是否正確. |

| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 308求調(diào)劑 +3 | 墨墨漠 2026-03-21 | 3/150 |
|
|---|---|---|---|---|
|
[考研] 289求調(diào)劑 +7 | 懷瑾握瑜l 2026-03-20 | 7/350 |
|
|
[考研] 275求調(diào)劑 +6 | shansx 2026-03-22 | 8/400 |
|
|
[考研] 384求調(diào)劑 +3 | 子系博 2026-03-22 | 4/200 |
|
|
[考研] 085600材料與化工306 +4 | z1z2z3879 2026-03-21 | 4/200 |
|
|
[考研] 初試 317 +7 | 半拉月丙 2026-03-20 | 7/350 |
|
|
[考研] 材料學(xué)碩333求調(diào)劑 +3 | 北道巷 2026-03-18 | 3/150 |
|
|
[考研] 求助 +5 | 夢(mèng)里的無(wú)言 2026-03-21 | 6/300 |
|
|
[考研] 0703化學(xué)297求調(diào)劑 +3 | Daisy☆ 2026-03-20 | 3/150 |
|
|
[基金申請(qǐng)]
學(xué)校已經(jīng)提交到NSFC,還能修改嗎?
40+4
|
babangida 2026-03-19 | 9/450 |
|
|
[考研] 材料與化工(0856)304求 B區(qū) 調(diào)劑 +3 | 邱gl 2026-03-21 | 3/150 |
|
|
[考研] 310求調(diào)劑 +3 | baibai1314 2026-03-16 | 3/150 |
|
|
[考研] 材料工程(專)一志愿985 初試335求調(diào)劑 +3 | hiloiy 2026-03-17 | 4/200 |
|
|
[考研] 求調(diào)劑 +3 | Ma_xt 2026-03-17 | 3/150 |
|
|
[考研] 085700資源與環(huán)境308求調(diào)劑 +12 | 墨墨漠 2026-03-18 | 13/650 |
|
|
[考研] 藥學(xué)383 求調(diào)劑 +3 | 藥學(xué)chy 2026-03-15 | 5/250 |
|
|
[考研] 295材料求調(diào)劑,一志愿武漢理工085601專碩 +5 | Charlieyq 2026-03-19 | 5/250 |
|
|
[考研] 求調(diào)劑 +3 | 暗涌afhb 2026-03-16 | 3/150 |
|
|
[論文投稿]
申請(qǐng)回稿延期一個(gè)月,編輯同意了。但系統(tǒng)上的時(shí)間沒(méi)變,給編輯又寫郵件了,沒(méi)回復(fù)
10+3
|
wangf9518 2026-03-17 | 4/200 |
|
|
[考研] 材料工程專碩調(diào)劑 +5 | 204818@lcx 2026-03-17 | 6/300 |
|