Asian Journal of Control

Vector-valued controller cost functions that are solely data-dependent and reflect multiple objectives of a control system are examined within the framework of unfalsified adaptive control. The notion of Pareto optimality of vector-valued cost functions ...

A time averaging technique is introduced to consensus algorithms in networked multi-agent systems under a noisy environment. Each agent communicates with its neighboring agents via a constant gain, while the time averaging states of the agents are ...

We propose a distributed algorithm for time synchronization in mobile wireless sensor networks. The problem of time synchronization is formulated as nodes estimating their skews and offsets from noisy difference measurements of offsets and logarithm of ...

We consider the problem of controlling single-phase half-bridge power converters in UPS systems operating in the presence of changing load. The control objective is twofold: i ensuring a satisfactory power factor correction PFC at the grid-UPS ...

Proportional navigation PN is an effective guidance law in chasing a constant speed target. However, intercepting a maneuvering target requires extra provisions to contain target acceleration. This is observed in the next generation of guidance laws, ...

Analytical computation methods are proposed for evaluating the minimum dwell time and the average dwell time guaranteeing the asymptotic stability of a discrete-time switched linear system whose switchings are assumed to respect a given directed graph. ...

This paper introduces semi-tensor product of matrices STP, a new matrix analysis tool, into the field of discrete event dynamic system DEDS. Using STP, the dynamics of controlled automaton are modelled as an algebraic expression of the states, events ...

Many valuable properties of the state feedback method can not be applied to some class of control systems while some of the system states cannot be measured directly. An attractive alternative approach is to make good use of a state observer. In this ...

Control problems in spatially distributed systems are challenging because the disturbance is of infinite dimensions. To this end, this paper discusses an infinite dimensional disturbance observer design, which is illustrated based on a partial ...

To allow the implementation of model predictive control on the chip, we first propose a primal-dual interior point method with convergence depth control to solve the quadratic programming problem of model predictive control. Compared with algorithms ...

This paper proposes necessary and sufficient conditions for task decomposability with respect to an arbitrary finite number of agents. It is furthermore shown that fulfilling the decomposed local tasks by individual agents guarantees the satisfaction of ...

This paper considers the problem of the H∞ control for T-S fuzzy systems with input time-varying delay via dynamic output feedback. Firstly, by applying the reciprocally convex approach, new delay-dependent sufficient condition for H∞ performance ...

For a second-order mechanical system incorporating Coulomb frictional effect, a nonlinear adaptive control that achieves a controller-identifier separation is designed. This modularity is made possible by the strong input-to-state stability ISS property ...

A kind of H∞ non-fragile synchronization guaranteed control method is put forward for a class of uncertain time-varying delay complex network systems with disturbance input. The network under consideration includes unknown but bounded nonlinear coupling ...

This brief proposes a model predictive control method using preceding vehicle information within hybrid electric vehicles' HEVs' predictive cruise control system to improve car following performance and reduce fuel consumption. This paper adds two ...

This paper addresses the neural network-based output-feedback control problem for a class of stochastic nonlinear systems with unknown control directions. The restrictions on the drift and diffusion terms are removed and the conditions on unknown ...

This paper is concerned with the linear-quadratic optimal control problem for partially observed forward-backward stochastic differential equations FBSDEs of mean-field type. Based on the classical spike variational method, backward separation approach ...

In this paper, a new approach is developed to discuss the stabilization problem for a class of continuous-time delayed systems, which is firstly achieved by a kind of partially delay-dependent controller. The main property of the desired controller is ...

In this paper, the problem of hierarchical control for a class of linear systems is addressed. Given a large-scale linear system, we obtain a stabilizing feedback gain for it from that of an abstract system. And then, we employ this feedback gain to ...

Many dynamical systems involve not only process and measurement noise signals but also parameter uncertainty and unknown input signals. This paper aims to estimate the state and unknown input for linear continuous time-varying systems subject to time ...

This study presents a new fault detection scheme based on the probability density function PDF of system output. Unlike the classical fault detection and diagnosis methods, in the proposed method, distribution of the system output is estimated online. ...

In this paper, a simple derivation for an all-stabilizing proportional controller set for first-order bi-proper systems with time delay is proposed. In contrast to proper systems, an extremely limited number of studies are available in the literature ...

The real implementation of sliding mode controllers SMCs to a DC-DC boost converter is a challenge due to the nonminimum phase behavior of these kinds of converters and the SMCs chattering problem. In this paper, new integral sliding mode control laws ...

In this paper, we first introduce the generalized alternated system. The definition of the Julia set in the generalized alternated system is given, which is called a generalized alternated Julia set. Then, we achieve the control of generalized ...

This paper considers the problem of global finite-time stabilization in probability for stochastic high-order nonlinear systems in which the power order is greater than or equal to one and the drift and diffusion terms satisfy weaker growth conditions. ...

In this paper, a fault tolerant control is studied for a two-dimensional airfoil with input saturation and actuator fault. The dynamic equation of airfoil flutter is firstly established, in which the cubic hard spring nonlinearity of pitch stiffness is ...

Currently, high velocity and precision are the main developing directions of the XY table. However, the nonlinear effects of friction at low speed deteriorate the precision of the XY table servo system. As a result, it is very important to design a ...

This paper deals with the Ritz spectral method to solve a class of fractional optimal control problems FOCPs. The developed numerical procedure is based on the function approximation by the Bernstein polynomials along with fractional operational matrix ...

In this paper, navigation algorithms for a fleet of multiple nonholonomic UAVs capable of evading a chasing predator and also pursuing a desired target are proposed. The proposed biologically-inspired navigation algorithms are used to define path ...

In Large Scale Systems the concept of centrality fails due to the lack of centralized computing capability. The control of such systems has to be performed using multiple control agents. In this case, the matter of interactions among neighboring ...