identification of dynamics systems parameters via sliding mode techniques

35
C. Edwards et al. (Eds.): Advances in Variable Structure, LNCIS 334, pp. 313–347, 2006. © Springer-Verlag Berlin Heidelberg 2006

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' Department of Control. Division of Electrical Engineering. Facultad deIngenieria. Universidad Nacional Autonoma de Mexico. Ciudad Universitaria.26732. Mexico D0F0. Mexico 93?61:.;!7.1.C69."&@2?C61<?%B;.:%:E

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328 A. Poznyak et al.

Identi"cation of Parameters in Dynamic Systems 54;

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330 A. Poznyak et al.

Identi"cation of Parameters in Dynamic Systems 553

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332 A. Poznyak et al.

Identi"cation of Parameters in Dynamic Systems 555

0 0.5 1 1.5−0.2

0

0.2

0.4

0.6

0.8

1

1.2

t[s]

θ2

estimation error

076" $" Estimation error for b&0

0 0.5 1 1.5−0.2

0

0.2

0.4

0.6

0.8

1

1.2

t[s]

θ2

θ2

estimated

076" %" Real and estimated velocity0

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−2 0 2 4 6 8 10 12 14 16

x 10−3

−0.2

0

0.2

0.4

0.6

0.8

1

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estimation error

x 2es

timat

ion

erro

r

076" &" Graph of }b% vs }b&0

0 5 10 15 20 25 300

1

2

3

4

5

6

7

t[s]

[Kg

m2 /s

2 ]

Estimación del Parámetro

076" '" Parameter estimation !1?.

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334 A. Poznyak et al.

Identi"cation of Parameters in Dynamic Systems 557

0 5 10 15 20 25 30−4

−3

−2

−1

0

1

2

3

4

5

6

t[s]

1/t ∫ ε φ

076" (" The value of %D

33+0,5+0,2T00

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076" )" Estimation of Q$ via the traditional SMC/based parameter observer

336 A. Poznyak et al.

Identi"cation of Parameters in Dynamic Systems 559

076" *" Estimation of Q% via the traditional SMC/based parameter observer

076" +" Estimation of Q$ via the SOSM/based parameter observer

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30 A0F0 Filippov. :W!S_S[aWOY ;^bOaW\[` dWaV :W`Q\[aW[b\b` HWUVa*VO[R IWRS`. Dor/drecht. The Netherlands<Kluwer Academic Publishers= 3;::0

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Identi"cation of Parameters in Dynamic Systems 563

076" $'" The time/varying parameter QD+the step/function, and its estimate Q!&"D 6

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:0 F0 Floret/Pontet. F0 Lamnabhi/Lagarrigue. \Parameter Identi"cation Method/ology Using Sliding Mode Observers(. ?[a+ @\b_[OY \T 9\[a_\Y. vol0 96. No0 3:.4223. pp0 3965/39750

;0 A0 Levant. \Robust exact di!erentiation via sliding mode technique.( 7ba\ZOa*WQO) 56+5,. 3;;:. pp0 59;/5:60

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330 L0 Ljung. and S0 Gunnarsson. *Adaptation and Tracking in system Identi"cation/ A Survey*. 7ba\ZOaWQO. %). 9/43. +3;;2,0

340 P0 Eykho!. and P0 C0 Parks. *Identi"cation and System Parameter Estimation=Where do We Stand Now?* +Editorial,. 7ba\ZOaWQO. %). 5/7. +3;;2,0

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360 W0 L0 Brogan. C\RS_[ 9\[a_\Y JVS\_f. 5rd edition. Prentice Hall. New Jersey.3;;30

370 Y0 B0 Shtessel. and A0 S0 Poznyak. \Parameter Identi"cation of AÆne TimeVarying Systems Using Traditional and High Order Sliding Modes.( F_\QSSRW[U`\T 7ZS_WQO[ 9\[a_\Y 9\[TS_S[QS. vol0 6. 4227. pp0 4655/465:0

380 Y0 B0 Shtessel. and A0 S0 Poznyak. \Parameter identi"cation of linear timevarying systems via traditional and high order sliding modes.( F_\QSSRW[U` \T4aV ?[aS_[OaW\[OY M\_X`V\] \[ LO_WOPYS Ia_bQab_S If`aSZ`. Spain. Villanova.September 8/:.

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