Design of Distributed Synthesis Power Supply for Self-Propelled Gun's Electromechanical Laboratory Equipment

2014 ◽  
Vol 543-547 ◽  
pp. 1477-1482
Author(s):  
Xue Bing Liao ◽  
Qing Bin Cui ◽  
Jie Lei ◽  
Hong Fei Luo

In this paper, a new design of integrated power is presented, which uses a modular structure, distributed control system. According to the technical requirements of mechanical and electrical test equipment for the power system, the BCT of the switching power supply is used. The design of DC power is described in detail in this paper. The trial operation proves: this integrated power is high common, high stability and high integration.

2013 ◽  
Vol 834-836 ◽  
pp. 1221-1224
Author(s):  
Hong Zhuan Cai ◽  
Li Bai

Switching power supply is an important field of application of power electronic technology, the high frequency switching DC power supply with high efficiency, small size, light weight and other advantages obtain the widespread application. The application of synchronous rectifier technology, photoelectric coupling isolation technology and the active clamp forward converter design high frequency switching power supply with 16~40V DC input and 5V/100W DC output . its operational principle is analyzed, and using LM5026 control chip describes design method of switching power supply.


2014 ◽  
Vol 1030-1032 ◽  
pp. 1384-1387
Author(s):  
Hao Wang ◽  
Dian Ren Chen

The switching power supply is the use of modern power electronics, by controlling the switching transistor turn-on and turn-off time ratio, maintaining a stable output voltage of the power supply. Switching power supply technology at the core, it is mainly divided into AC / DC and DC / DC two categories. Switching power supply eliminates bulky frequency transformers, replacing tens of kHz, MHz or even hundreds of kHz frequency transformer. Since the adjustment pipe work in the off state, and thus low power consumption and high efficiency.


2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Haidong Sun ◽  
Cheng Liu ◽  
Hao Zhang ◽  
Yanming Cheng ◽  
Yongyin Qu

As an important part of the high-frequency switching power supply, the control accuracy of the phase-shift full-bridge converter directly affects the efficiency of the switching power supply. To improve the stability and antidisturbance ability of phase-shift control systems, this article presents a dual closed-loop control system based on Self-Coupling PID (SC-PID) control and applies the SC-PID control strategy to the voltage control of the phase-shift full-bridge converter. To begin with, in response to the contradiction of traditional PID, SC-PID breaks the limitation of PID control by introducing a new control idea instead of weighted summation of each gain, which fundamentally solves the contradiction between overshoot and rapidity. Then, using the dimension attributes between gains to develop new tuning rules to solve the system load disturbance, output voltage deviation from the reference value, and other problems, the purpose is to ensure the stability of the output voltage and improve the control effect. At the same time, the stability of the whole control system is analyzed in the complex frequency domain. Finally, with the same main circuit and parameters, three types of controllers are built separately, and using MATLAB for simulation comparison, the simulation results show that the control system based on SC-PID has better steady-state accuracy, faster response, and better robustness, which proves the feasibility of the SC-PID control idea.


2013 ◽  
Vol 846-847 ◽  
pp. 1939-1942
Author(s):  
Qing Hao Wang ◽  
Jian Guo Xu ◽  
Xian Feng Li ◽  
Yu Jie Pei ◽  
Yi Wang ◽  
...  

The DC power substation equipment is all energy infrastructure, once therere some problems with the DC equipment, which will make all the related equipment loses power, it will directly affect the safe operation of the substation. This article discusses some shortcomings of the original lead-acid batteries for emergency DC power, demonstrated high frequency switching power supply with the combination used of LiFePO4 iron group of science, along with a brief description of the features and benefits of their work.


2012 ◽  
Vol 562-564 ◽  
pp. 1472-1475
Author(s):  
Hua Lin Zhang ◽  
Xiao Fang Zhou

With TL494 as the drive chip, MCU controlling output voltage, output current, parallel module average flow, over-current protection, it gives priority to BUCK circuit topology to realize parallel switching power supply. This article introduces the system design, the hardware and software design in detail. Finally a 32W prototype is designed. The test result shows that the design can achieve the preset functions, its performances can meet the requirements and it can work stably.


2013 ◽  
Vol 448-453 ◽  
pp. 2089-2092
Author(s):  
Zhong Xian Wang ◽  
Yong Geng Wei ◽  
Hai Feng Wang

New switching power supply gradually replaced the traditional linear power supply, but rarely has the operational status monitoring function. The design includes the main power supply and monitoring circuit design. The main circuit topology of the power supply is flyback DC-DC conversion body. The selection of the control circuit is current-controlled PWM chip. The monitoring circuit includes the design of detection and display circuit. The voltage and the current are detected respectively with the aid of the resistive subdivision in the testing circuit. The display circuit adopts PIC for sampling signal processing, and the dot matrix LCD12864 is used to display this power operating parameters. The power supply control system is simulated in Saber and Proteus software which monitors and observes the various parts of the circuit voltage and the output waveform. Finally, the hardware circuit is built and tested to prove the designed digital intelligent power feasibility.


ROBOT ◽  
2011 ◽  
Vol 33 (4) ◽  
pp. 434-439 ◽  
Author(s):  
Dangyang JIE ◽  
Fenglei NI ◽  
Yisong TAN ◽  
Hong LIU ◽  
Hegao CAI

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