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A co-design strategy of optimal event-triggered mechanism and dynamic output feedback controller for a class of networked control system with resource-constrained and random time delay is proposed based on the mode-dependent quantizer. Firstly, an adaptive event-triggered mechanism is designed according to the output error in order to reduce the number of information transmission and the occupation...
This paper introduces a novel and rapid approach for the stability and performance analysis of linear time-varying (LTV) systems, which has a very wide application to the evaluation of control system of Aerospace vehicles. By introducing the concept of integral function for the LTV systems and showing its prosperities, a sufficient and necessary condition for the exponential stability of LTV systems...
A command filtered back-stepping path following control is exploited to design a dynamic state-feedback controller for a Water-jet-based Spherical Underwater Vehicles, which obviates the computation of analytic derivatives in the traditional back-stepping design. The ISS-modular approach provides a simple and effective way for controlling non-linear Underwater Vehicle satisfying the strict-feedback...
For the drive torque can be controlled independently in a four in-wheel-motor drive vehicle, in order to improve vehicle handling and stability, based on the yaw control strategy, the new control strategy has been proposed that the driving torque of inner and outer wheels were changed in the same range at the same time while turning. A four-wheel- driving vehicle model is built in Adams/View, and...
A three-dimensional model of the car has been established with SolidWorks to solve the inconvenience of using special software of vehicle simulation analysis, and has been imported into Simulink. After that, a 16-DOF car dynamics model has been established, and the angle step input response has been analyzed. This analysis process avoided complicated formula, and provided basis for the realization...
Analyze comprehensively and systematically the factors that influence trust efficiency through the three main respects, the macro factor, the industry factor, and the microscopic factor. And with the net profitability indicators being the dependent variable and the variable like trust scale, degree of innovation, stability, asset allocation as well as the corporate governance chosen respectively as...
Morphing concepts for missiles have been a topic of current research interest in aerospace engineering. For the morphing wings technology of missile, a kind of autopilot design method is proposed by H∞ control theory. In order to have the better flight performance in the different regimes, the missile can automatically change the wings area symmetrically. The nonlinear dynamic model is established,...
This paper introduces a general Bayesian framework for obtaining sparse solutions to classify predicting, and the practical model 'relevance vector machine' (RVM) by Michael E. Tipping, which is applied in electric system transient stability assessment (TSA). As a bran-new thought of probabilistic learning model, it offers the superior level of generalization accuracy and a number of additional advantages...
Dynamic pressure fluctuation inside the common rail directly refers to the balance of inject-fuel quantity in electronic control diesel engine currently. In this paper, these models of the common rail injection system are created with ASW software. and three parameters of pressure fluctuation average volume, experiment quotient volume and instantaneous pressure fluctuation rate are established. Meanwhile,...
In recent years, it has become an active research direction to develop adaptive and robust active queue management (AQM) scheme for congestion control of complex time-varying network. A novel adaptive AQM scheme based on neuron reinforcement learning (NRL) is presented in this paper. This scheme uses queue length and link rate as congestion notification to determine an appropriate drop/mark probability,...
A quasi-linear driver model was developed, and a closed loop tractor-semitrailer vehicle system composed of the driver model and a tractor-semitrailer vehicle model of 3-degrees-of-freedom were proposed. The stability of closed loop vehicle system was studied by simulating the system with different parameter values. A roots-locating numerical method was used to identify critical speed of the system...
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