Bao-Lin Zhang

China Jiliang University · College of Life Science

This paper is concerned with event-triggered H∞ control of sampled-data systems. Its novelties lie in three aspects: (i) A novel accumulated-state-error-based event-triggered scheme is introduced by comparing the integral of the state error from tk to t with the system state sampled at tk. This condition works well due to the fact that the so-calle...

This paper is concerned with event-triggered control of discrete-time systems with or without input saturation. First, an accumulative-error-based event-triggered scheme is devised for control updates. When the accumulated error between the current state and the latest control update exceeds a certain threshold, an event is triggered. Such a scheme...

This article deals with collision-risk-based event-triggered optimal formation control problems for mobile multiagent systems. First, several collision-risk-related definitions, such as collision-free margin, moving direction angle, collision risk angle, and collision risk level, are proposed for the moving agents. Then, a collision-risk dependent,...

It is significant to reduce the wave‐induced vibration and ensure the safety of the offshore structure. This paper deals with the observer‐based sliding mode H∞$H_\infty$ vibration control problem of offshore structures with nonlinear energy sink (NES) mechanisms. By considering the coupled nonlinear characteristics of unmodelled dynamics, system u...

In the dangerous ocean situations, the deepwater drilling riser needs evacuate emergently to guarantee the safety of the structures. The bottom equipment of the lower marine riser package should be disconnected from the blowout preventer timely. In this case, the recoil response of the riser occurs, which may lead to potential safety risks of the s...

This paper mainly studies the delay-based feedback formation control problem with feedforward components for multiple unmanned aerial vehicles (UAVs) system. First, the kinematic equation of the leader-follower UAVs formation system with regard to three directions is established, and the communication network topology between UAVs is presented. Sec...

This paper deals with the problem of dynamic modeling and the optimal recoil control of a deepwater drilling riser system subject to the friction force of drilling fluid discharge. First, based on the whole fluid column model of the friction force and the curve fitting method, a linear exosystem model is established to describe the dynamic properti...

This paper deals with the recoil suppression problem of a deepwater drilling riser system via active H∞ control using both current and delayed states. First, based on the three degrees of freedom spring-mass-damping model of the riser system, an incremental dynamic equation of the system subject to the platform heave motion and the friction force i...

To improve the safety and reliability of offshore structures subject to wave loading, the active vibration control problem is always one of significant issues in the field of ocean engineering. This paper deals with the near–optimal control problem of offshore structures with a nonlinear energy sink (NES) mechanism. By taking the dominant vibration...

This paper deals with the dynamic modelling and pure delayed (Formula presented.) control for a deepwater drilling riser system in the presence of the friction force of seawater and drilling discharge mud. First, by simplifying a drilling riser system as a spring-mass-damping unit with three degrees of freedom, an increment equation of the riser sy...

This paper deals with the optimal formation control problem based on model decomposition for multiple unmanned aerial vehicles (UAVs). The main contribution of this paper is to integrate the formation control and the trajectory tracking into one unified feedforward control and feedback control framework in an optimal mode. We first establish the dy...

This article is concerned with the extended dissipativity of discrete-time neural networks (NNs) with time-varying delay. First, the necessary and sufficient condition on matrix-valued polynomial inequalities reported recently is extended to a general case, where the variable of the polynomial does not need to start from zero. Second, a novel Lyapu...

Marine structures are inevitably influenced by parametric perturbations as well as multiple external loadings. Among these loadings, earthquake is generally more destructive and unpredictable than others. It is significant to develop effective active control schemes to guarantee the safety, stability, and integrity of marine structures subject to e...

The service life of floating production platforms can be substantially shortened due to undesirable excessive vibrations caused by dynamic loads. It is thus necessary to develop effective vibration reduction methods for floating production platforms. This article proposes a network-based active control approach for a spar-type floating production p...

This paper deals with the problems of networked modelling and memory-event-triggering H ∞ reliable control for steel jacket-type platforms in network environments. First, a networked model of the jacket platform against earthquakes and probabilistic actuator faults is established. Based on this model, a memory-based event-triggering communication s...

This article focuses on observer-based state feedback H∞ control for a jacket structure against DoS attacks and external wave loads. First, a networked model of the structure is formulated as a switched delay system, in which DoS attacks and network-induced delays are considered simultaneously. A matching switched observer is developed for estimati...

This paper deals with the dynamic modeling and non-fragile sliding mode control of an enterprise knowledge workers system. First, from the perspective of the change in the number of knowledge workers, an uncertain system with time delay is established. Second, in order to reduce the influence of uncertainties on the system, an integral sliding mode...

This paper focuses on stability analysis of linear systems with time-varying delay, where two cases of the time-varying delay are discussed, that is, the time-varying delay is either differentiable or just uniformly continuous. First, an improved triple-integral inequality is proposed to estimate triple-integrals tightly. Then, by introducing two n...

Vibration damping of jacket platforms is among the significant issues in marine science and engineering, and the design of active vibration control schemes is very important to ensure the stability and safety of the jacket platforms against external loadings. This paper provides three fuzzy output feedback H ∞ controllers of the jacket platforms fo...

This paper investigates the hybrid-driven-based networked control for an offshore steel jacket platform subject to external wave forces. A hybrid driven strategy is introduced to deal with the problem of networked control for offshore platforms. Then, the networked closed-loop system is modeled as a stochastic delay system. Based on this model, a s...

This paper is concerned with passivity of a class of delayed neural networks. In order to derive less conservative passivity criteria, two Lyapunov-Krasovskii functionals (LKFs) with delay-dependent matrices are introduced by taking into consideration a second-order Bessel-Legendre inequality. In one LKF, the system state vector is coupled with tho...

This paper is concerned with event-triggered H∞ filter design for a networked system suffering stochastic deception attacks in the sense of finite-time boundedness. Firstly, a networked filtering error model is well constructed by taking the effect of deception attacks and event-triggered scheme into account. Then, two sufficient conditions are der...

This paper is concerned with the problem of delayed proportional-integral control of an offshore platform subject to self-excited nonlinear hydrodynamic force. By using current and distributed delayed states, a delayed proportional-integral controller is designed to stabilize the offshore platform. Under such a controller, the closed-loop system of...

This paper addresses the analysis and synthesis issues of event-triggered offshore steel jacket structures with an active tuned mass damper mechanism. First, to save communication resources, an event-triggered data packet processor (DPP) is proposed such that the transmissions of the sensor data can be regulated over the communication channel. Seco...

This paper is concerned with guaranteed cost control for a hybrid-triggered networked system subject to stochastic cyber-attacks. First, a hybrid-triggered mechanism including time-triggered mechanism and event-triggered mechanism is proposed to mitigate the pressure of network transmission, in which the switching between two mechanisms satisfies B...

The book was inadvertently published with an incorrect Grant number. In Front Matter, 4th line of page number vii, the sentence “of China under Grants Z19F030002,…” has been replaced by “of China under Grants LZ19F030001,…”.

This chapter is concerned with active control for an offshore steel jacket platform subject to wave-induced force and parameter perturbations. The offshore steel jacket platform is shown in Fig. 2.2 [65, 72]. The dynamic model under consideration is given by ( 2.44 ). By intentionally introducing a proper time-delay into the control channel, a nove...

In this chapter, two dynamic models of offshore platforms and several required lemmas are introduced for investigating active control strategies in this book. In the first dynamic model, only the first dominant vibration mode of an offshore steel jacket platform with an AMD mechanism is taken into account [79]. This model is utilized to design acti...

This chapter is concerned with a delayed non-fragile H∞ control scheme for an offshore steel jacket platform subject to self-excited nonlinear hydrodynamic force and external disturbance. By intentionally introducing a time-delay into the control channel, a delayed robust non-fragile H∞ controller is designed to reduce the vibration amplitudes of t...

In this chapter, sliding mode H∞ control for an offshore steel jacket platform subject to nonlinear self-excited wave force and external disturbance is developed. A sliding mode H∞ controller is designed to reduce oscillation amplitudes of the offshore platform. In the case that the dynamic model of the offshore platform is subject to parameter per...

This chapter presents an optimal tracking control methodology for an offshore steel jacket platform subject to external wave force. Based on a dynamic model of an offshore steel jacket platform with an AMD mechanism and a linear exogenous system model of the external wave force on the offshore platform, an optimal tracking control scheme with feedf...

This chapter investigates the effect of a time-delay on dynamic output feedback control of an offshore steel jacket platform subject to a nonlinear wave-induced force. First, a conventional dynamic output feedback controller is designed to reduce the internal oscillations of the offshore platform. It is found that the designed controller is of a la...

This chapter investigates the network-based modeling and event-triggered H∞ reliable control for an offshore structure. First, a network-based model of the offshore structure subject to external wave force and actuator faults is presented. Second, an event-triggering mechanism is proposed such that during the control implementation, only requisite...

The network-based modeling and active control for an offshore steel jacket platform with an active tuned mass damper mechanism is investigated in this chapter. A network-based state feedback control scheme is developed. Under this scheme, the corresponding closed-loop system is modeled by a system with an artificial interval time-varying delay. The...

Offshore platforms are widely used to explore, drill, produce, store and transport ocean resources, and are usually subjected to environmental loading, which can lead to deck facility failure and platform fatigue failure, inefficient operation and even crew discomfort. In order to ensure the reliability and safety of offshore platforms, it is impor...

This paper deals with delayed sliding mode H∞ control for an offshore steel jacket platform subject to nonlinear self-excited wave force and external disturbance. By using both current and delayed states, a delayed sliding mode H∞ controller is designed to attenuate vibration of the offshore platform. It is observed through simulation results that...

This paper deals with the problem of neural network tracking control for an offshore platform system under external wave forces. A feedforward backpropagation neural-network-based tracking controller (NNTC) is designed to attenuate the displacement response of the offshore platform. In the simulation, the proposed NNTC scheme can effectively improv...

Offshore platforms are widely used to explore, drill, produce, storage, and transport ocean resources and are usually subject to environmental loading, such as waves, winds, ice, and currents, which may lead to failure of deck facilities, fatigue failure of platforms, inefficiency of operation, and even discomfort of crews. In order to ensure relia...

This paper is concerned with the state estimation for neural networks with two additive time-varying delay components. Three cases of these two time-varying delays are fully considered: 1) both delays are differentiable uniformly bounded with delay-derivative bounded by some constants; 2) one delay is continuous uniformly bounded while the other is...

This paper is concerned with networked output feedback H ∞ control of an offshore structure under earthquakes. With a networked model of the offshore structure, a networked output feedback H ∞ control strategy is proposed to suppress seismic vibration of the structure. Then, some delay-dependent stability criteria for the offshore structure system...

This paper is concerned with the non-fragile sampled-data control problem for an offshore platform subject to parametric perturbations of the system and admissible gain variations of the controller. By purposefully introducing a time-varying time-delay into control channel, designing a sampled-data controller for the original system is transformed...

The network-based modelling and active control for an offshore steel jacket platform with an active tuned mass damper mechanism is investigated. A network-based dynamic model of the offshore platform is first established. A network-based state feedback control scheme is developed. Under this scheme, the corresponding closed-loop system is modelled...

This paper is concerned with discrete feedforward and feedback optimal tracking control schemes for an offshore steel jacket platform subject to irregular wave force. By discretizing a dynamic model of the offshore steel jacket platform system, a discrete feedforward and feedback optimal tracking controller is developed first to attenuate the wave-...

This paper is concerned with active control for an offshore steel jacket platform subjected to wave-induced force and parameter perturbations. An uncertain dynamic model for the offshore platform is first established, where uncertainties not only on the natural frequency and the damping ratio of both the offshore platform and the active tuned mass...

This paper is concerned with an observer-based optimal fault-tolerant control for an offshore steel jacket platform. The dynamic characteristics of the actuator faults under consideration are formulated by an exogenous system. Based on a dynamic fault observer designed, a feedforward and feedback optimal fault-tolerant controller is developed to im...

This paper is concerned with pure delayed non-fragile control for an offshore steel jacket platform subject to non-linear self-excited wave force. By purposefully introducing a proper time-delay into control channel, a pure delayed non-fragile controller (DNFC) is proposed to improve performance of the offshore steel jacket platform. The positive e...

This paper is concerned with delay-dependent robust H∞ control for an offshore steel jacket platform subject to wave force. By taking into account the variations of the structural natural frequency and damping ratio, and time-varying control delay, an uncertain time-delay dynamic modal of the offshore platform is established first. Then a delay-dep...

This paper is concerned with network-based control for an offshore steel jacket platform subject to nonlinear wave-induced force. A network-based dynamic model of the offshore platform is presented and a network-based state feedback control scheme is developed to reduce the internal oscillations of the offshore platform. Then the effect of a networ...

This paper is concerned with delayed H∞ control for an offshore steel jacket platforms subject to external wave force. By artificially introducing a proper time-delay into control channel, a delayed H∞ controller is designed to attenuate the wave-induced vibration of the offshore platform and thereby improve the control performance of the system. T...

This paper is concerned with optimal guaranteed cost sliding mode control for an offshore steel jacket platform subject to nonlinear self-excited wave force. A nonlinear quadratic performance index which directly associates with the wave force is introduced first. Then, by combining the guaranteed cost control scheme and the integral sliding mode c...

This paper is concerned with robust sliding mode H∞ control using time-varying delayed states for an offshore steel jacket platforms subject to self-excited nonlinear wave force, external disturbance and parametric uncertainties. By intension-ally introducing a time-varying delay into the control channel, a delayed robust sliding mode H∞ controller...

This paper is concerned with sliding mode H∞H∞ control for an offshore steel jacket platform subject to nonlinear self-excited wave force and external disturbance. A sliding mode H∞H∞ controller is designed to reduce the oscillation amplitudes of the offshore platform. In the case that the dynamic model of the offshore platform is subject to parame...

This paper is concerned with the stabilization control for the offshore steel jacket platforms subject to wave-induced force. Two state feedback stabilization control schemes are proposed to reduce the vibration amplitudes of the systems. One scheme is that for the systems without actuator time-delay, a state feedback controller is designed. Compar...

This paper is concerned with non-fragile H∞ control for offshore steel jacket platforms subject to self-excited nonlinear wave force and external disturbances. A delayed non-fragile H∞ controller is designed to attenuate the oscillation amplitudes of the offshore platform. The positive effects of the time-delays on non-fragile H∞ control for the of...

This paper is concerned with sliding mode control of offshore steel jacket platforms subject to nonlinear wave-induced forces. Two sliding mode control schemes are proposed to reduce the oscillation amplitudes of the platforms. One scheme is that a conventional sliding mode controller (SMC) is designed, under the SMC the oscillation amplitudes of t...

The observer-based active control for offshore steel jacket structure subject to wave-induced force is considered. Using Lyapunov theory, a sufficient condition for stabilization of the offshore platform system is given in the term of linear matrix inequality (LMI). The feedback controller and the observer gains can be obtained from the LMI formula...

The guaranteed cost control(GCC) method with H∞ disturbance attenuation is investigated for the steel jacket plat- form system when subjected to nonlinear self-excited hydrodynamic forces. A state feedback controller is designed to ensure the asymptotic stability of the steel jacket platform system. In the presence of self-excited wave forces, the...

This paper studies the vibration control of jacket-type offshore platforms. A feedforward and feedback optimal controller (FFOC) is developed. The FFOC is proved to be existent and unique. In the design of FFOC, we consider the irregular wave and current forces, and the displacement and velocity of structure. The feasibility and effectiveness of th...

This paper considers the optimal tracking control (OTC) problem for MIMO systems affected by external disturbances based on stability degree constraint. The objective is to find an OTC, by which the cost function minimum and the state with the OTC having a higher mean-square convergence rate can be obtained. According to the special disturbance for...

This paper deals with an optimal control problem for a class of singularly perturbed time-delay large-scale systems. The optimal control laws for the order-reduced slow subsystem with time-delay and fast subsystem are designed, respectively. For the slow subsystem, the sensitivity approach is proposed to solve the coupled two-point boundary value (...

The goal of this paper is to establish the relations between general Bernstein and Nikol’skiî type inequalities under some weak conditions. From these relations some known classical inequalities are implied. Also, a family of functions equipped with Bernstein type inequality which satisfies Nikol’skiî type inequality is found. KeywordsBernstein in...

This paper considers the optimal output feedback control problem for MIMO (Multiple Input Multiple Output) systems affected by external disturbances. The optimal disturbance rejection control law in finite-time and infinite horizon form are first proposed by using the solutions of a Riccati equation and a Sylvester equation. We give the existence a...

The optimal control problem for a class of singularly perturbed time-delay composite systems affected by external disturbances is investigated. The system is decomposed into a fast linear subsystem and a slow time-delay subsystem with disturbances. For the slow subsystem, the feedfor-ward compensation technique is proposed to reject the disturbance...

An optimal regulator is presented for a nonlinear discrete-time system with input delay and a quadratic criterion. First, the original problem is reduced to the nonlinear-quadratic regulator design for a system without delays by an extended Artstein model reduction approach. Then, An iterative process is proposed to find a solution sequence of the...

This paper presents a feedforward and feedback controller design approach to solve the problem of optimal control for vehicle active suspension systems with control delay. A quarter-car model with active suspension system is considered. Based on a particular transformation, the original delay system is reduced into a non-delay system. By introducin...

The quadratic optimal control problem for linear time-delay singularly per-turbed systems is investigated via successive approximation approach (SAA) in this paper. Based on singular perturbation theory, the system is decomposed into two subsystems of a slow-time scale and a fast-time scale. The slow-time scale time-delay optimal control problem is...

A feedforward and feedback optimal control algorithm is developed for a class of weak nonlinear discrete systems affected by additive disturbances. By using the successive approximation approach (SAA), we solve the coupled nonlinear two-point boundary value (TPBV) problem derived from the necessary condition of the optimal control problem. The main...

This paper deals with the optimal output tracking control (OOTC) problem of a class of nonlinear systems whose reference input to be tracked is produced by a generalized linear exosystem. To solve the nonlinear OOTC problem, the nonlinear two-point boundary value (TPBV) problem derived from the necessary conditions of the OOTC problem is transforme...

This paper considers an optimal damping vibration control problem for linear time-delay singularly perturbed systems affected by external sinusoidal disturbances. By using the slow–fast decomposition theory of singularly perturbed systems, the system is first decomposed into a fast subsystem without time-delay and a slow subsystem with time-delay a...

The problem of optimal tracking control with zero steady-state error for linear time-delay systems with sinusoidal disturbances is considered. Based on the internal model principle, a disturbance compensator is constructed such that the system with external sinusoidal disturbances is transformed into an augmented system without disturbances. By int...

Based on successive approximation approach, the problem of the linear-quadratic feedforward and feedback optimal control for nonlinear discrete-time systems with external disturbances is considered. The original optimal control problem is transformed first into a sequence of nonlinear two-point boundary value (TPBV) problems. Then a solution sequen...