In this paper,we study the leader-following consensus for multi-agent systems with long input time delay under jointly connected directed switching *** adopt an adaptive distributed observer that can make every agent ...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
In this paper,we study the leader-following consensus for multi-agent systems with long input time delay under jointly connected directed switching *** adopt an adaptive distributed observer that can make every agent estimate the information of the *** we propose a new controller utilizing the predictor feedback technique,and then map MAS s into ODE-PDE(Ordinary differntial equations-Partial differntial equations) target systems so that we can utilize Lyapunov-Krasovskii function to analyze the stability of the *** are used to vertify the results in the end.
Particle Detection plays important roles in industrial and medical image ***-learning based methods can only deal with the particle images with simple backgrounds and sparse *** most neural network based methods can a...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
Particle Detection plays important roles in industrial and medical image ***-learning based methods can only deal with the particle images with simple backgrounds and sparse *** most neural network based methods can also hardly to deal with overlapping objects and small particles,besides,the huge amount of parameters of these methods also has a great demand for annotated data,which is difficult to ***,we use bright pixels to represent the spatial position of particles,and artificially divid the sizes of particles into multiple intervals.A feature representation called Light-spots Maps is proposed to replace the bounding box and pixel classifications in our detection *** Light-weight networks based on ResNets is used to transform the particle images into Light-spots maps to detect the particle *** experiments,we prove the effectiveness of our method.
This paper investigates the event-triggered asynchronous fault detection（FD） problem for discrete-time switched systems with sojourn *** propose a novel asynchronous FD filter（FDF）,of which the sojourn probability...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
This paper investigates the event-triggered asynchronous fault detection（FD） problem for discrete-time switched systems with sojourn *** propose a novel asynchronous FD filter（FDF）,of which the sojourn probability is related to the mode of the switched system.A hybrid adjusting variables-dependent event-triggered mechanism（ETM） is devised to reduce the waste of network *** construct a new Lyapunov function that contains the mode of the switched system and a flexible variable in the ETM.A sufficient condition in terms of matrix inequalities is obtained under which the error dynamics is stochastically stable with a prescribed H *** parameters of the FDF are explicitly given based on the feasible solutions to these matrix inequalities.A numerical example is provided to demonstrate the effectiveness of the proposed event-triggered asynchronous FD method.
Seepage diseases in embankments are very common,and if they cannot be treated in time,they will bring serious safety hazards and even cause embankment break *** the location and depth of a seepage channel is the prere...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
Seepage diseases in embankments are very common,and if they cannot be treated in time,they will bring serious safety hazards and even cause embankment break *** the location and depth of a seepage channel is the prerequisite and basis for the treatment of seepage *** present,there are several methods are used to detect seepage in embankments,but none of them can accurately calculate or explain the depth of seepage *** magnetic gradient tensor method,which is widely used in the depth calculation of magnetic sources,is only suitable for the magnetic dipole model,and not suitable for the tubular model similar to the seepage *** view of this,this paper draws on the idea of magnetic exploration,and proposes a forward and inverse calculation method for the depth of the seepage *** method first builds a variety of basic seepage channel models based on certain constraints,and calculates the magnetic field value of each model at each measuring point on the ground *** compare the actual measured magnetic field value with the model magnetic field value to find the closest seepage channel ***,by continuously optimizing the closest model,the real seepage channel is gradually *** model calculated by this method can better reflect the depth information of the real seepage channel,and the depth error is less than lm.
In the smelting process of a blast furnace(BF),BF operations can regulate the permeability index(PI),but different operations affect the PI on different time *** at the problem that BF operations have multi-time-scale...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
In the smelting process of a blast furnace(BF),BF operations can regulate the permeability index(PI),but different operations affect the PI on different time *** at the problem that BF operations have multi-time-scale effects on the PI,this paper uses a multi-time scale method to analyze the influence of each operation on PI at different time ***,the influence of BF operations on the PI is analyzed through the ironmaking mechanism,and three mechanism chains of BF operations affecting the PI were *** this basis,the time scale of the mechanism chains is ***,a crosscorrelation analysis is used to calculate the time-delay relationship between each operation and the ***,the influence of different operation parameters on the PI is verified by real-world production data,and the multi-time scale characteristics of the influence of BF operations on the PI are proved.
This work proposes a fully soft grasping device to perform complex tasks,which consists of the modularized soft grippers and the bi-directional bending soft *** the modularized soft gripper part,we adopt caps to seal ...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
This work proposes a fully soft grasping device to perform complex tasks,which consists of the modularized soft grippers and the bi-directional bending soft *** the modularized soft gripper part,we adopt caps to seal both ends of the gripper and connect the adjacent knuckles by *** modularized design not only makes the soft grippers like human fingers to achieve segmental bending,but also reduces the waste caused by local *** the soft holder part,we present a bidirectional bending method to automatically adjust the grasping space,and we also establish a mathematical model to describle the relationship between the soft holder's bending angle and the air ***,in order to evaluate the dynamic response and position accuracy of the grasping device,a PID controller is designed for the soft grasping device to track the step,sine,and square wave ***,the great grasping performance of the fully soft grasping device is verified by experiments.
A dynamic positioning disturbance suppression method is presented for the offshore drilling platform based on the equivalent input disturbance(EID) approach in this ***,the offshore drilling platform's low-frequen...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
A dynamic positioning disturbance suppression method is presented for the offshore drilling platform based on the equivalent input disturbance(EID) approach in this ***,the offshore drilling platform's low-frequency and wavefrequency motion components are separated by the Luenberger *** a linear-quadratic regulator is designed to ensure the stability of the low-frequency motion closed-loop *** EID approach is used to estimate and compensate for the unknown time-varying disturbances of the environment,thereby improving the disturbance suppression ability of the *** results of a supply vessel demonstrate the validity of the method.
This paper is concerned with the stability analysis of discrete-time neural networks with a time-varying ***,an improved augmented Lyapunov-Krasovskii functional(LKF) is established by adding single/double-summation *...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
This paper is concerned with the stability analysis of discrete-time neural networks with a time-varying ***,an improved augmented Lyapunov-Krasovskii functional(LKF) is established by adding single/double-summation ***,by utilizing summation inequalities,the forward difference of the constructed functional is estimated as a cubic function with respect to the *** applying the cubic function negative-determination lemma,a less conservative stability criterion is obtained,whose advantages are demonstrated via a numerical example.
Due to the uncertainty of photovoltaic power generation and the disorder of large-scale electric vehicle charging,new challenges have been brought to the security and stability of the smart park distribution network,h...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
Due to the uncertainty of photovoltaic power generation and the disorder of large-scale electric vehicle charging,new challenges have been brought to the security and stability of the smart park distribution network,hybrid storage plays a significant role in smoothing power *** the goal of maximizing the annual earnings of energy storage,this paper proposes a real-time electricity price model based on the electricity price sensitivity of the tie line power fluctuation *** is verified by numerical example simulation,and the results show that,the model plays a very good role in smoothing power fluctuations and improving the economic benefits of energy storage.
With the advent of the 5 G era,people have more and more needs for streaming media and real-time interactive applications with low delay and high bandwidth,while the transmission technology based on TCP is far from me...
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ISBN:
(数字)9789887581536
ISBN:
(纸本)9781665482561
With the advent of the 5 G era,people have more and more needs for streaming media and real-time interactive applications with low delay and high bandwidth,while the transmission technology based on TCP is far from meeting the needs of real-time *** paper studies the mainstream congestion control algorithm GCC in the field of real-time communication,as well as analyzes its overall structure,basic workflow and the calculation of key *** view of the problem that the rate controller based on packet loss in GCC algorithm will reduce the transmission rate in the case of noise packet loss,GCC-BDP algorithm is improved and proposed.
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