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PLC, abbreviation for power line communication technology, is the use of the existing low voltage distribution network as a transmission medium to transfer data and exchange information. In order to realize high speed Internet access and multimedia information transmission by using power line, in this paper, the power line Ethernet adapter is researched and improved by taking advantage of 220V/380V...
This paper researches on the optimal electric vehicle charging and navigation strategy, including four aspects, electric vehicle, power network, traffic and charging station. It puts forward a vehicle-grid-road-station four-dimensional navigation system. Based on the system, the paper established multi-objective optimization model, which meets the lowest traffic congestion, the lowest voltage deviation...
This design using the vector control algorithm (SVPWM) to subdivide the three-phase stepper motor stator current, to reduce the step angle, to reduce low-frequency oscillations and noise of the stepper motor, to reduce the torque pulsation of the motor, and to improve the voltage utilization. The control algorithm is feasible by matlab simulation.
This paper mainly introduces the application of fuzzy control and PID control in Labview, and describes the control and regulation of water cycle system in the fuel cell test system. Through repeated testing, reasonable fuzzy rules and PI parameters are designed to control the opening of cold water valve in the water circulation system, and finally realize the constant temperature of the flooding...
Maximum power point tracking (MPPT) techniques are employed in photovoltaic (PV) systems to make full utilization of PV array output power which depends on solar irradiation and ambient temperature. Among all the MPPT strategies, the incremental conductance (IC) algorithm is widely used due to the high tracking accuracy at steady state and good adaptability to the rapidly changing atmospheric conditions...
By inequality analysis, this paper deals with the stability of linear system. First of all, by constructing suitable Lyapunov functionals, a new simple sufficient condition is presented for the linear system based on LMI. Next, the sufficient condition of the state feedback system will be given, and the problem of determining the maximum time-delay under which the system will remain stable is cast...
In large-scale rotary kiln applications, it is important to control the internal temperature of the kilns. However, there are many problems in designing such a control system due to long system's response delay, dead-zone and saturation of the actuator mechanisms, uncertainties in the system model and parameters, and process noise. To overcome these problems, this article has proposed a new type of...
For the gas-burning roller ceramic kilns, of which the control object has the characteristics of large inertia, pure time delay, and time-varying disturbance, etc., the traditional PID control are not able to get a very satisfactory result. When controlling the temperature, the adjustments may even severely affect the composition of the gas atmosphere, which is another important parameter contributing...
By using the state space theory, this paper deduces the mathematical model for the single-machine infinite-bus systems with UPFC. The eigenvalue method is employed to analyze the damping ability of UPFC. Based on the conclusions analyzed by eigenvalue method, the oscillation frequency of the controlled power system is introduced to the conventional UPFC controller to change the fixed active power...
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