In this paper, the sensor data is transmitted only when absolute value of difference between current and previously one greater than given threshold value. Based on send-on-delta scheme which event-triggered sampling strategies, a modified fault isolation filter for discrete-time networked control system with multiple faults then implemented by particular form Kalman filter. The proposed improves resource utilization graceful estimation performance degradation. An illustrative example to...

This study focuses on the output feedback guaranteed cost control issue for networked systems with random packet dropouts and time delays. The plant considered in this is characterized by an uncertain linear discrete-time system, wherein delays exist forward controller-to-actuator sensor-to-controller communication links that are modeled as unified multiple Markov chains. resulting closed-loop system a Markovian jump system. solved via Lyapunov stability theory matrix inequality approach....

This paper focuses on a new H∞ controller design issue for networked control systems with external disturbance as well random time delays and packet dropouts in forward feedback channels, which are modeled by multiple Markov chains unified style. The output is designed to stabilize the system also achieves prescribed attenuation level. addressed problem transformed into nonlinear minimization LMI constraints. An illustrative example provided show effectiveness of proposed methods. Copyright...

Abstract The fault detection problem is studied in this paper for a class of linear networked control systems (NCS) with communication delays. aim to generate residual signals which, the fault‐free case, are supposed be identical zero. In practice, condition not respected due various factors such as measurements noises, model uncertainties, and particular NCS communication‐induced work, delays described random Markov jump process isolation filter developed. Directional residuals, decoupled...

The stability guaranteed active fault‐tolerant control against actuators failures and plant uncertainties in networked systems (NCSs) is addressed. A detailed design procedure formulated as a convex optimization problem which can be efficiently solved by existing software. An illustrative example given to show the efficiency of proposed method for network‐based uncertain systems.

Aiming at the problem of poor positioning accuracy traditional distance vector-hop (DV-Hop) localization algorithm which achieves according to network topology relations and anchor nodes' locations, an improved twice-refinement DV-Hop based on received signal strength indicator (RSSI) auxiliary ranging unknown node error correction using its own centroid is proposed in this paper. The uses RSSI technology get between adjacent nodes for positioning, also coordinates correct their initial...

Network-induced delays in the networked control systems are inevitable and have a significant effect on system performance. In this paper, time-varying regarded as sum of mean uncertain delays. Furthermore, NCS with long time is modeled discrete-time model structural uncertainty for its network-induced Based model, new law via an iterative LMI approach presented which can stabilize closed-loop system. Theoretical analysis simulation results compared to some existing schemes show that...

In this paper, the random time-delays and packet losses issues of networked control systems (NCS) within framework guaranteed cost for Markovian jump linear (MJLSs) are addressed. A new delay-dependent sufficient condition existence controller an upper bound function presented by a stochastic Lyapunov–Krasovskii functional. The state feedback problem such system is formulated as convex optimization over set matrix inequalities (LMIs) which can be very efficiently solved interior-point...

Network-induced delays in the networked control systems (NCS) are inevitable and have a significant effect on system performance. In this paper, time-varying regarded as sum of mean uncertain delays. Furthermore, NCS with long time is modelled discrete-time model structural uncertainty for its network-induced Based model, new law via an iterative linear matrix inequality (LMI) approach presented which can stabilize closed-loop system. Theoretical analysis simulation results compared to some...

The additional threshold of a mixed event‐triggering mechanism (ETM) makes it impossible to guarantee the requirement asymptotic stability. As consequence, is necessary investigate input‐to‐state practically stable (ISpS) which mild stability property. In this study, authors firstly model closed‐loop event‐triggered control system as delayed linear parameter‐varying (LPV) systems with ETM and parameter uncertainty. Then, co‐design condition in sense ISpS controller gain trigger parameters...

The repair and maintenance of road damage is great significance for ensuring traffic safety, reducing vehicle costs, alleviating congestion, promoting economic development, improving residents'quality life. Therefore, timely detection crucial. Currently, traditional manual recognition one the common methods; however, it suffers from drawbacks such as low efficiency significant time consumption. With advancement deep learning, object algorithms are gradually being applied in field detection....

This paper is concerned with the problem of modeling and output feedback controller design for a class discrete-time networked control systems (NCSs) time delays packet dropouts. A Markovian jumping method proposed to deal random Different from previous studies on issue, characteristics communication dropouts can be truly reflected by unified model; namely, both sensor-to-controller (S-C) controller-to-actuator (C-A) delays, are modeled their history behavior described multiple Markov...

Recently, parallel computation has been applied to many areas while there are little examples about its implementation in control systems. Here a method for networked systems is introduced, with an example of pipeline parallelism. The paralleled could increase sampling rates and then improve the quality performance. But such parallelism would also amount data, which aggravates network load. In this case, QoS management necessary overall utilization system resources, feasible due applying...

This paper is concerned with the filtering problem for both discrete-time stochastic linear (DTSL) systems and nonlinear (DTSN) systems. In DTSL systems, an optimal filter multiple packet losses designed based on orthogonal principle analysis approach over unreliable wireless sensor networks (WSNs), experience result verifies feasibility effectiveness of proposed filter; in DTSN extended minimum variance derived, to case by first order Taylor series approximation, which successfully applied...

Abstract This paper addresses the time‐varying but bounded delay issue of networked control systems (NCS) within framework a discrete‐time linear state‐delayed system with norm‐bounded uncertainty. A delay‐dependent sufficient condition for existence guaranteed cost controller NCS is presented by new Lyapunov‐Krasovskii functional. The formulated as set matrix inequalities (LMIs). resulting can not only asymptotically stabilize also guarantee an adequate level performance. Theoretical...

In this paper, the effect of network-induced delay introduced into control loop is modelled as time-varying disturbance. Based on model, a fault isolation filter (FIF) for detection networked systems (NCSs) with multiple faults then parameterized. Directional residual generations decoupling from disturbance ensure treatment appearing simultaneously or sequentially. The remaining degrees freedom in design filter's gain are used to satisfy an H <sub...