... and robustness of the proposed cascade control system. The stabilities of the inner and outer control loops were proved separately using a Lyapunov approach. where k is the ratio of specific heat capacities, and C v is the specific heat capacity at constant volume. From Ref. [ 27 ], the internal energy U...

... arms rolling constraint grasping and manipulation stability distributed parameter systems This paper studies a flexible robotic arm with a lightweight link. A lightweight link has many advantages compared to a rigid link, including lower energy consumption, greater payload-to-arm weight...

.... This approach allows the system to track a desired voltage using the maximum power point tracking (MPPT) algorithm while keeping the output current at a moderate level. The stability of the closed loop of the full system is demonstrated by means of Lyapunov theory. The simulation utilizes realistic PV array...

...Mohammad Tavazoei; Mohammad Hassan Asemani This paper focuses on the stability analysis of linear fractional-order systems with fractional-order 0 < α < 2 , in the presence of time-varying uncertainty. To obtain a robust stability condition, we first derive a new upper bound for the norm...

... ) - λ max ( P ) Θ 2 ( Δ μ ( t ) ) λ min ( R ) ɛ 2 ⌉ In this paper, our main concern is the problem of stabilization of discrete-time linear systems with both quantization and noise input. Stabilizability by means of quantizers...

... shaft dynamic response (vibration), actuator mass and total actuator power losses. Levitation of the spinning rotor and dynamic stability are constraint conditions for the control law search. Nonlinearities include magnetic flux saturation, and current and voltage limits. Pareto frontiers were applied...

... imposes restrictions for widespread application. Note that the nonholonomic property of a TWMM makes its control a more challenging task. In this paper, a new stabilization mechanism of TWMM is presented, and a new control method based on dynamical balancing algorithm is proposed that could effectively...

... controller, which guarantees not only the asymptotically stability of the closed-loop system but also the cost function bound constraint, has been provided in terms of the feasible solutions to the LMI. The simulation examples are included to show the effectiveness of the proposed approach. References...

...Juan Ignacio Mulero-Martínez nonlinear analysis stability uncertain dynamic systems Riccati equations response times overshoot with ξ 0  ≥ 1 . The solution of this system is given by y ( t ) = ( x p + ( β 1 β 0 e - β 1 t...

... is not over bound the actual convergence rate. The effect of coefficients of algorithm is investigated and it is shown that the similar results can be inferred from the calculated formula for the convergence rate. flocking stability convergence rate double-integrator dynamics In recent years...

...Kenneth R. Muske; Hashem Ashrafiuon; Sergey Nersesov; Mehdi Nikkhah This paper presents an optimal sliding mode cascade control for stabilization of a class of underactuated nonlinear mechanical systems. A discrete-time, nonlinear model predictive control structure is used to optimally select...

... 22 09 2011 03 01 2012 03 01 2012 adaptive control control system synthesis convergence error analysis industrial control industrial plants nonlinear systems observers parameter estimation time-varying systems extended state observer uncertain systems stability...

... selection of parameters that guarantee stabilization and improve controller performance. The approximate analytical solution is verified through comparison with the exact numerical solution. The control performance predicted by the analytical solution is experimentally demo. 02 02 2011 26 09 2011...

... of the proposed approach are illustrated through numerical examples. 05 05 2010 04 08 2011 29 12 2011 29 12 2011 closed loop systems continuous time systems convergence delay systems feedback iterative methods linear matrix inequalities linear systems stability In many...

... circuits. Stability is illustrated by comparing traditional circuits with the proposed circuit. The motivations, derivations, and proofs of the system dynamical stabilities are presented. Control algorithms including stability control and sliding to the desired working region are presented. Experiments...

...Jia Xu; Jitao Sun; Dong Yue In this paper, we introduce a new concept of stochastic finite-time stability for a class of nonlinear Markovian switching systems with impulsive effects. Based on the linear matrix inequality approach, sufficient conditions for the system to be stochastic finite-time...

... selected modes of full-order model will be attained to guarantee the stability of closed-loop system. A selection of master DOFs does have influence on the properties of a reduced model. If a retained mode is not observable at the selected masters, this mode will be missed in the reduced model...

... the computation of a suitable delayed time. The delayed time, which is based on the measured vibrations, is then employed in the trajectory planner to set the reference input. The stability of the controller is discussed and its effectiveness is proved by applying it to a four-bar planar linkage with flexible...

...Thomas E. Alberts; Aravind M. Hanasoge; Ashraf M. Omran This paper presents a simple analysis evaluating the stability threshold for magnetically levitated flexible structures using dissipative colocated controllers. It is shown that with such a control structure, the controller that stabilizes...

...Kaouther Laabidi; Rihem Farkh; Mekki Ksouri In this paper, we consider the control of time delay system by first order controller. By Using the Hermite-Biehler theorem, which is applicable to quasipolynomials, we seek a stability region of the controller for first order delay systems. Delay often...