2005
DOI: 10.3182/20050703-6-cz-1902.01309
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Second Order Sliding Mode Adaptive Neurocontrol for Robot Arms With Finite Time Convergence

Abstract: In this paper we present a low dimensional adaptive neural network controller for robot manipulators with fast convergence of tracking error. Its novelty lies in the low dimensional network, smooth control input and very fast convergence that reduce the computational cost that face the problem of over parameterization. The control strategy is based on a second order sliding surface which drives the controller and the online computation of weights with a chattering-free control output. Furthermore, a time base … Show more

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Cited by 10 publications
(18 citation statements)
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“…∞ ∈ W L Then, the output of the neural network is also bounded. According previous arguments and the boundedness of the robot dynamics -Coriolis matrix, gravitational term; and due to inertia matrix is positivedefinite and upper bounded; the right hand side of (27) with v =0 is bounded, such that ˆ. (19) we have that …”
Section: Remarkmentioning
confidence: 96%
See 2 more Smart Citations
“…∞ ∈ W L Then, the output of the neural network is also bounded. According previous arguments and the boundedness of the robot dynamics -Coriolis matrix, gravitational term; and due to inertia matrix is positivedefinite and upper bounded; the right hand side of (27) with v =0 is bounded, such that ˆ. (19) we have that …”
Section: Remarkmentioning
confidence: 96%
“…i.e., exponential stability of tracking errors is guaranteed since the solution of S x =0 goes to zero exponentially, . X X α ∆ = − ∆ Remark 5: It is important to notice that the mapping from T X W to ˆq S − defined in (26) is passive, that is 1 0…”
Section: Remarkmentioning
confidence: 99%
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“…Tuning k such that S d vanishes much faster than ω e = −αq e , let us analyse the slowest case (using the Gronwal-Bellman Inequality lemma), that is ω e = −αq e , which becomes instrumental to prove convergence. To see this, (15) becomeṡ…”
Section: ) Second Order Sliding Mode Controller For Attitude Dynamicsmentioning
confidence: 97%
“…No chattering is involved and dynamics are not required. To realizeû in arbitrary desired finite time, a wellposed, yet practical, terminal stability is proposed inspired by [15]. In this regard, this work establishes the nontrivial extension of [14] and [15] to this type of aerial robots.…”
Section: A the Dynamic Model Of A Quadrotormentioning
confidence: 98%