Control Theory and Technology
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A unified approach to output synchronization of heterogeneous multi-agent systems via L2-gain design
Control Theory and Technology - Tập 15 - Trang 340-353 - 2017
In this paper, a unified design procedure is given for output synchronization of heterogeneous multi-agent systems (MAS) on communication graph topologies, using relative output measurements from neighbors. Three different control protocols, namely, full-state feedback, static output-feedback, and dynamic output-feedback, are designed for output synchronization. It is seen that a unified design pr...... hiện toàn bộ
Finite-time consensus protocols for multi-dimensional multi-agent systems
Control Theory and Technology - Tập 18 - Trang 419-430 - 2020
A finite-time consensus protocol is proposed for multi-dimensional multi-agent systems, using direction-preserving signum controls. Filippov solutions and nonsmooth analysis techniques are adopted to handle discontinuities. Sufficient and necessary conditions are provided to guarantee infinite-time convergence and boundedness of the solutions. It turns out that the number of agents which have cont...... hiện toàn bộ
Adaptive Kalman filter for MEMS IMU data fusion using enhanced covariance scaling
Control Theory and Technology - Tập 19 - Trang 365-374 - 2021
MEMS (micro-electro-mechanical-system) IMU (inertial measurement unit) sensors are characteristically noisy and this presents a serious problem to their effective use. The Kalman filter assumes zero-mean Gaussian process and measurement noise variables, and then recursively computes optimal state estimates. However, establishing the exact noise statistics is a non-trivial task. Additionally, this ...... hiện toàn bộ
Global finite-time attitude regulation using bounded feedback for a rigid spacecraft
Control Theory and Technology - Tập 15 - Trang 26-33 - 2017
This paper investigates the problem of global attitude regulation control for a rigid spacecraft under input saturation. Based on the technique of finite-time control and the switching control method, a novel global bounded finite-time attitude regulation controller is proposed. Under the proposed controller, it is shown that the spacecraft attitude can reach the desired attitude in a finite time....... hiện toàn bộ
The Borel measure of sequences with bounded run-length
Control Theory and Technology - - 2022
Infinite sequences defined with a finite alphabet are studied and it is shown that the set of sequences with bounded run-length has measure zero with respect to the Borel measure. Such sequences arise in many applications including digitization of certain linear systems involving flows on the circle and 2-torus, large scale simulation, and cryptology. They are basic objects of study in ergodic the...... hiện toàn bộ
Cooperative distributed state estimation: resilient topologies against smart spoofers
Control Theory and Technology - Tập 20 - Trang 488-503 - 2022
A network of observers is considered, where through asynchronous (with bounded delay) communications, they cooperatively estimate the states of a linear time-invariant (LTI) system. In such a setting, a new type of adversary might affect the observation process by impersonating the identity of the regular node, which is a violation of communication authenticity. These adversaries also inherit the ...... hiện toàn bộ
Routh table test for stability of commensurate fractional degree polynomials and their commensurate fractional order systems
Control Theory and Technology - Tập 17 - Trang 297-306 - 2019
A Routh table test for stability of commensurate fractional degree polynomials and their commensurate fractional order systems is presented via an auxiliary integer degree polynomial. The presented Routh test is a classical Routh table test on the auxiliary integer degree polynomial derived from and for the commensurate fractional degree polynomial. The theoretical proof of this proposed approach ...... hiện toàn bộ
Regional averaged controllability for hyperbolic parameter dependent systems
Control Theory and Technology - Tập 18 - Trang 307-314 - 2020
The purpose of this paper is to extend the notion of regional controllability for hyperbolic parameter dependent systems. The key idea is the characterization of the averaged regional control with minimal energy. This control steers the state average (with respect to such a parameter) towards the desired state only on a given part of the system evolution domain. In this paper, we give the precis d...... hiện toàn bộ
Solving Lyapunov equation by quantum algorithm
Control Theory and Technology - Tập 15 - Trang 267-273 - 2017
Lyapunov equation is one of the most basic and important equations in control theory, which has various applications in, e.g., stability analysis and robust analysis of linear control systems. Inspired by the recent progresses of quantum algorithms, we find that solving Lyapunov equation can be exponentially accelerated by quantum algorithms rather than traditional classical algorithms. Our algori...... hiện toàn bộ
Estimation and feedback control of air-fuel ratio for gasoline engines
Control Theory and Technology - - 2015
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