tuần 32 thứ hai ngày 12 tháng 5 năm 2008
On Euler’s Discretization of Sliding Mode Control Systems with Relative Degree Restriction
Ngày tải lên :
01/07/2015, 10:07
... 3.436·10−7, 6.872·10−6, 0. 050 131, 0.002624, 0. 052 49)T 132 Z Galias and X Yu x (a) −1 −2 −1 x −2 −0 .5 0 .5 1 .5 x1 1 .5 (b) x6 0 .5 −0 .5 −1 0.4 0.2 0.6 0.4 0.2 −0.2 x5 −0.4 −0.2 x Fig Trajectory with the ... −0.5hw1)T bw bw After some tedious calculations we obtain v1 = 0 .5( w1 + w1 )/c1 + 0 .5( −0.5h)n−r−1(w1 − w1 )/Sc , vi = 0 .5( −0.5h)n−r−i(w1 − w1 )/Sc , for ≤ i ≤ n − r − 1, where n−r−1 ci (−0.5h)n−r−i ... ≤ c1 x1 < − k=2 ck xk − xn ( 25) k=2 Since n−1 n−1 ck xk − xn = −xn − ck (−0.5h)n−k 1+ k=2 k=2 n−1 = c1 (−0.5h) 0 .5 h n−1 = 0 .5 h − S − c1 (−0.5h) S S , from ( 25) we obtain conditions for existence...
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Schaum''s outline of signals and systems
Ngày tải lên :
15/05/2014, 10:55
... Numbers 455 455 456 456 456 Appendix D Useful Mathematical Formulas D.1 Summation Formulas D.2 Euler's Formulas 458 458 458 viii D.3 Trigonometric Identities D.4 Power Series Expansions D .5 Exponential ... intervals ( a ) T, = 0. 25 s From Fig 1-21(b) we obtain x [ n ] = ( ,0,0. 25, 0 .5, 0. 75, 1,0. 75, 0 .5, 0. 25, 0, T ( b ) T, = 0 .5 s From Fig 1-21(c)we obtain x [ n ] = { ,0,0 .5, 1,0 .5, 0 I , T ) [CHAP SIGNALS ... Systems B .5 The z-Transform B.6 The Discrete-Time Fourier Transform B.7 The Discrete Fourier Transform B.8 Fourier Series B.9 Discrete Fourier Series 4 45 4 45 4 45 447 449 449 451 452 453 454 Appendix...
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Báo cáo hóa học: " Research Article Bit Error Rate Approximation of MIMO-OFDM Systems with Carrier Frequency Offset and Channel Estimation Errors" ppt
Ngày tải lên :
21/06/2014, 11:20
... 19, no 12, pp 250 4– 251 5, 2001 [ 15] A Mody and G Stuber, “Synchronization for MIMO OFDM systems,” in Proceedings of IEEE Global Telecommunications Conference (GLOBECOM ’01), vol 1, pp 50 9 51 3, San ... Technology, vol 54 , no 5, pp 1729– 1738, 20 05 [ 25] T Tang and R W Heath Jr., “Space-time interference cancellation in MIMO-OFDM systems,” IEEE Transactions on Vehicular Technology, vol 54 , no 5, pp 1802–1816, ... Communications, vol 4, no 5, pp 2279–2288, 20 05 [12] T M Schmidl and D C Cox, “Robust frequency and timing synchronization for OFDM,” IEEE Transactions on Communications, vol 45, no 12, pp 1613–1621,...
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Báo cáo sinh học: " Research Article Robust Stabilization of Fractional-Order Systems with Interval Uncertainties via Fractional-Order Controllers" potx
Ngày tải lên :
21/06/2014, 16:20
... 10 15 20 25 30 35 40 45 50 30 35 40 45 50 30 35 40 45 50 t sec x2 ×106 −1 10 15 20 25 t sec x3 ×106 −1 10 15 20 25 t sec Figure 1: The time response of the states u1 ×106 5 10 15 20 25 30 35 40 ... u1 ×106 5 10 15 20 25 30 35 40 45 50 30 35 40 45 50 30 35 40 45 50 t sec u2 ×106 5 10 15 20 25 t sec u3 ×107 −1 10 15 20 25 t sec Figure 2: Control efforts 12 Advances in Difference Equations ... ⎤ −1 −0 .5 −2 ⎣ 0 .5 −0 .5 , −0 .5 2 .5 1.2 ⎡ ΔA ⎤ 0.1 0. 05 0.2 ⎣ 0.1 0. 05 0. 05 , 0. 05 0. 25 0 .12 6.2 and α 0.9 Eigenvalues of center matrix Ac are calculated as λ1 −1.7486, λ2 1.2243 j1 .55 97, and...
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báo cáo hóa học:" Research Article Existence of Periodic Solutions of Linear Hamiltonian Systems with Sublinear Perturbation" ppt
Ngày tải lên :
21/06/2014, 18:20
... boundary value problems at resonance,” Differential and Integral Equations, vol 8, no 6, pp 155 5– 156 9, 19 95 Z Q Han, “2π-periodic solutions to N-dimmensional systems of Duffing’s type I ,” D Guo, Ed., ... Mathematics, vol 25, no 2, pp 97– 132, 1977 J Mawhin and M Willem, Critical Point Theory and Hamiltonian Systems, vol 74 of Applied Mathematical Sciences, Springer, New York, NY, USA, 1989 12 Boundary ... to nonlinear differential equations with resonance,” Houston Journal of Mathematics, vol 25, no 3, pp 56 3 58 2, 1999 17 K C Chang, Infinite Dimensional Morse Theory and Multiple Solution Problem,...
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Báo cáo hóa học: " Research Article Analysis of Coded FHSS Systems with Multiple Access Interference over Generalized Fading Channels" ppt
Ngày tải lên :
21/06/2014, 23:20
... 10−2 10−2 10−3 10−3 10−4 10 5 Pb Pb 10−4 10−6 10−6 10−7 10−7 10−8 10−8 10−9 10−10 10 5 10 12 Eb /N0 (dB) m=1 m=8 m = 16 14 10−9 16 10 12 14 16 18 20 Eb /N0 (dB) m = 32 m = 64 m=1 m=8 m = 16 Figure ... = 32 m = 64 m = 128 Figure 5: SNR required for a convolutionally coded FHSS system to achieve Pb = 10 5 over Nakagami fading versus the number of users K with perfect CSI for m = 1, 8, 16, 32, ... Pb 10−1 10−2 Pb 10−1 10 5 10 5 10−6 10−6 10−7 10−7 10−8 10−8 10−9 10 12 14 10−9 16 Eb /N0 (dB) K =1 K = 10 K = 20 10 12 14 16 Eb /N0 (dB) m=1 m=8 m = 16 K = 40 K = 60 m = 32 m = 64 Figure 6: Performance...
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Báo cáo hóa học: " Research Article Absolute Stability of Discrete-Time Systems with Delay" pdf
Ngày tải lên :
22/06/2014, 06:20
... Applications, vol 3 35, no 1, pp 6 15 6 25, 2007 M Pituk, “Convergence and uniform stability in a nonlinear delay difference system,” Mathematical and Computer Modelling, vol 22, no 2, pp 51 57 , 19 95 14 Advances ... Under condition 3. 25 , we obtain ψ0 ≤ N ψ1 ≤ N ∞ N , 1−η ηk k ∞ kη 3.28 N k 1−η k Now, Corollary 3.2 yields the following result Theorem 3.3 Let the conditions 2.4 , 2 .5 , 2.6 , 3. 25 , and, in addition, ... higher-order linear difference equation,” Computers & Mathematics with Applications, vol 45, no 6–9, pp 11 95 120 2, 2003 10 J Schinas, “Stability and conditional stability of time-dependent difference...
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Báo cáo hóa học: " Research Article Reverse Link Outage Probabilities of Multicarrier CDMA Systems with Beamforming in the Presence of Carrier Frequency Offset" doc
Ngày tải lên :
22/06/2014, 19:20
... 10−2 10−3 10−4 10 5 L = 32, K = 16 ε = 0.1 γ0 = dB m=1 10−6 10−7 10−4 10−6 L = 32, K = 16 SNR = 10 dB γ0 = dB ε = 0.1 10−8 12 16 10−10 20 SNR (dB) m = 1/2 m=1 M=7 M=9 Figure 5: Outage probability ... sin 0.5Mπ(sin θ − sin ψ) M sin 0 .5 (sin θ − sin ψ) α= E G2 (θ, ψ) − E G(θ, ψ) , E{G(θ, ψ)} − E G2 (θ, ψ) − E2 G(θ, ψ) B= , E G2 (θ, ψ) + − 2E G(θ, ψ) (2) X Hu and Y.-D Yao 90 90 120 0.8 120 60 ... presence of carrier frequency offset,” IEEE Transactions on Vehicular Technology, vol 53 , no 5, pp 1327 –1340, 2004 [12] Q Shi and M Latva-Aho, “Effect of frequency offset on the performance of asynchronous...
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Báo cáo hóa học: "REPRESENTATION OF SOLUTIONS OF LINEAR DISCRETE SYSTEMS WITH CONSTANT COEFFICIENTS AND PURE DELAY" ppt
Ngày tải lên :
22/06/2014, 22:20
... no 3 5, 51 5 52 8 , Asymptotic behaviour of solutions of systems of discrete equations via Liapunov type tech[8] nique, Computers & Mathematics with Applications 45 (2003), no 6–9, 1041–1 057 , ... stability for higher-order monotone difference equations, Advances in Difference Equations 20 05 (20 05) , no 1, 41 55 [12] M Migda, A Musielak, and E Schmeidel, On a class of fourth-order nonlinear difference ... & Hall/CRC, Florida, 20 05, pp 51 59 ˇ [6] J Cerm´ k, On the related asymptotics of delay differential and difference equations, Dynamic Sysa tems and Applications 14 (20 05) , no 3-4, 419–429 [7]...
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THE FIRST EIGENVALUE OF p-LAPLACIAN SYSTEMS WITH NONLINEAR BOUNDARY CONDITIONS D. A. KANDILAKIS, M. pptx
Ngày tải lên :
23/06/2014, 00:20
... J u∗ ,v∗ 1/q , (5. 5) we get that I u∗ ,v∗ , J u∗ ,v∗ J u∗ ,v∗ = I u∗ ,v∗ = (5. 6) (5. 7) From relations (5. 3)– (5. 7) we conclude that λ∗ ≥ I u∗ ,v∗ = I u∗ ,v ∗ ≥ λ1 , J u∗ ,v∗ (5. 8) a contradiction ... (5. 11) From (5. 10) and (5. 11), by using the compactness of the operator J˜ and the monotonicity of the p-Laplacian operator [6], we obtain Ω Ω ∇u n p ∇vn q dx −→ dx −→ Ω Ω ∇u p ∇v1 q dx, (5 .12) ... −q−δ)/q∗ (5. 23) We can now add inequalities (5. 22), (5. 23) to get − ε ≤ c14 + c 15 (p∗ − p−δ)/ p∗ − ᐁn ∩Brε (1 + |x|)γ1 p∗ /(p∗ − p−δ) dx − ᐂn ∩Brε (1 + |x|)γ2 q∗ /(q∗ −q−δ) (5. 24) (q∗ −q−δ)/q∗...
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Báo cáo y học: "Relaxin''''s induction of metalloproteinases is associated with the loss of collagen and glycosaminoglycans in synovial joint" ppsx
Ngày tải lên :
09/08/2014, 06:22
... captured with a charge-coupled device camera and NIH image software The levels of 53 /58 kDa gelatinolytic and 51 /54 kDa caseinolytic enzymes and their low-molecular-mass activated forms were quantified ... the substrate gels were digitized, and the 53 /58 kDa and 43 kDa gelatinase activities (collagenase and active collagenase, respectively) (c) and the 51 /54 kDa caseinolytic activity (stromelysin) ... 1998, 159 :117 -1 25 Cheah SH, Ng KH, Johgalingam VT, Ragavan M: The effects of oestradiol and relaxin on extensibility and collagen organization of the pregnant rat cervix J Endocrinol 19 95, 146:331-337...
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Life cycle analysis of electricity generation systems with implications on climate change policy
Ngày tải lên :
09/09/2015, 11:18
... 169 5. 1 5. 2 5. 3 5. 4 6 Generic power generation system definition . 27 Levelled system structure and associated boundaries . 40 Kaya Identity and decomposition 53 Technical Benefits ... Figure 5 3 Loviisa nuclear power station with two units of VVER‐440 . 74 Figure 5 4 Qinshan CANDU nuclear power station . 75 Figure 5 5 Shika nuclear power station (BWR and ABWR) 76 Figure 5 6 Leningrad nuclear power plant (RMBK and VVER reactors) ... White 19 95 Van de Hondo et Vate 1997 al. 2000 Meier 2002 Dones Van de et al. Vate 2002 20 05 Hondo 20 05 Tokimatsu et al. 2006 Echávarri 2007 Lenzen 2008 Sovacool 2008 ...
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Dynamics and control of distributed parameter systems with recycles
Ngày tải lên :
04/10/2015, 17:06
... tank First tank - S10 = 21. 4128 , X10 = 192.796, B10 = 17 .52 7, P10 = 16.63 85, G10 = 2.2916 Second tank - S20 = 1.2 25, X20 = 202.0 158 , B20 = 7. 951 4, P20 = 18 .57 27, G20 = 4. 0121 The fresh feed parameter ... manipulating recycle ratio (final value – 0.906 25) 106 Figure 5. 3 .5: Plot of manipulated variable (recycle ratio final value – 0.906 25) vs time 106 Figure 5. 5.1: Set point tracking of temperature in ... feedforward controllers (MFBC & MFFC) 1 15 Figure 5. 5.4: 2D plot of disturbance rejection of temperature in a linear heat exchanger using MFBC 116 Figure 5. 5 .5: 2D plot of disturbance rejection of...
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convergence of solutions of reation diffusion systems with time delays
Ngày tải lên :
29/10/2015, 14:19
... with di usion, SIAM J Math Anal 16 (19 85) 1 35 142 [16] S Ruan, J Wu, Reaction–di usion equations with inÿnite delay, Canad Appl Math Quart (1994) 4 85 55 0 [17] C.C Travis, G.F Webb, Existence ... delays, J Math Anal Appl 2 05 (1997) 157 –1 85 [14] C.V Pao, Numerical analysis of coupled systems of nonlinear parabolic equations, SIAM J Numer Anal 36 (1999) 393–416 [ 15] R Redlinger, On Volterra’s ... Angew Math 413 (1991) 1– 35 [9] M.C Memory, Bifurcation and asymptotic behavior of solutions of a delay-di erential equation with di usion, SIAM J Math Anal 20 (1989) 53 3 54 6 [10] C.V Pao, On a...
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Đề tài " The number of extensions of a number field with fixed degree and bounded discriminant " docx
Ngày tải lên :
06/03/2014, 08:21
... 2)(3, 4, 5) , (5, 6)(3, 4) ; it is a primitive permutation group on {1, 2, 3, 4, 5, 6} whose action is conjugate to the action of PSL2 (F5 ) on P1 (F5 ) We will show NQ,6 (X; G) ε X 8 /5+ ε , a considerable ... permutation of the indices Set fi = xi for ≤ i ≤ 5, and f6 = x1 x2 (x3 +x4 )+x1 x3 x5 +x1 x4 x6 +x1 x5 x6 + j=1 j x2 x3 x6 + x2 x4 x5 + x2 x5 x6 + x3 x4 (x5 + x6 ) Set A = C[f1 , f2 , , f6 ] Then ... Proposition 2 .5 The element x ∈ OL gives rise to a point x ∈ Z(Z) whose projection Π(x) = (y1 , y2 , y3 , y4 , y5 ) ∈ Z5 satisfies: (2.7) |y1 | X 2/10 , |y2 | X 3/10 , |y3 | X 4/10 , |y4 | X 5/ 10 , |y5 |...
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schaum's outline of feedback and control systems
Ngày tải lên :
01/04/2014, 11:13
... 128 129 129 130 130 132 133 134 154 7.1 7.2 7.3 7.4 7 .5 7.6 7.7 7.8 Chapter BLOCK DIAGRAM ALGEBRA AND TRANSFER FUNCTIONS OFSYSTEMS 154 154 155 156 ... 364 299 299 299 301 302 304 306 12. 7 Other Compensation Schemes and Combinations of Compensators 308 319 319 320 321 321 322 322 323 324 326 328 13 .12 Damping Ratio from the Root-Locus ... Physically Realizable Systems 1 4 6 15 15 16 17 18 20 22 23 39 39 39 40 40 41 41 42 44 44 45 46 46 47 48 49 51 54 56 57 CONTENTS Chapter THE LAPLACE TRANSFORM AND THE z-TRANSFORM...
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Báo cáo hóa học: " Boundedness and Lagrange stability of fractional order perturbed system related to unperturbed systems with initial time difference in Caputo’s sense" ppt
Ngày tải lên :
20/06/2014, 22:20
... Mathematical Analysis 12( 6):731–741 (20 05) 15 Yakar, C, Shaw, MD: Practical stability in terms of two measures with initial time difference Nonlinear Anal Theory Methods Appl 71, e781–e7 85 (2009) doi:10.1016/j.na .2008. 11.039 ... Series A: Mathematical Analysis 15, 417–4 25 (2008) 21 Lakshmikanthama, V, Vatsala, AS: Basic theory of fractional differential equations Nonlinear Anal 69, 2677–2682 (2008) doi:10.1016/j.na.2007.08.042 ... Equations 2011, 2011 :54 http://www.advancesindifferenceequations.com/content/2011/1 /54 c Dq y = c Dq y c Dq y ˜2 y + y + x2 ˜ ˜ ˜ x + y x + x y2 y1 (τ0 ) y = 01 y2 (τ0 ) y02 = Page 12 of 14 ˜ = F(t,...
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Principles of Digital Communication Systems and Computer Networks
Ngày tải lên :
18/09/2012, 10:13
... yêu cầu cho ký tự tính công thức: L= ∑ P (i ) L (i ) i Trong đó: P(i) xác suất L(i) chiều dài từ mã Đối với ví dụ thì: L = (1 * 0. 45 + * 0. 45 +3 * 0. 05 + * 0. 05) = 1. 65 bits/ký tự Entropy nguồn ... gắng đạt giới hạn khoảng 50 năm gần Xét nguồn tạo hai ký tự A B với xác suất nhau: Hai ký tự mã hóa trên, A biểu diễn số B Chúng ta yêu cẩu 1bit/ký tự.Bây xét nguồn tạo hai ký tự Nhưng thay mã ... suất hai ký hiệu với (aa, ab, ac, ad, ba, bb, vv), gọi xấp xỉ thứ hai( second-order approximation) theo thứ tự Vì vậy, second-order approximation, phải xem xét xác suất có điều kiện digrams (hai...
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