摘要
随着半导体技术和数字信号处理器的快速发展,数字控制技术为开关电源提供了新的设计途径。传统的模拟控制技术无法摆脱电路中存在的非线性、误差等问题。数字控制的开关电源具有开发周期短、易于监控等优点。介绍了数字电源的概念、特点以及与现有模拟电源的区别。分析和探讨了开关电源系统中数字控制可以采用的拓扑结构和典型控制算法。基于该拓扑结构,较全面地评估了各种控制算法在数字控制电源中的优缺点。基于目前典型的数字电源产品技术,提出了数字电源的发展趋势。
With the rapid development of semiconductor technology and DSP,the digital control technology provides a new method for switching power supplies.The traditional analog control method can＇t get rid of the problems of nonlinearity and error.Digital controlled power supplies have many advantages such as it is programmable,easy to be monitored and so on.Firstly the construction,characteristics of the digital control power and the difference between digital control power and analog control power were introduced.Secondly the topological structures and control algorithms of the digital power supply in communication system were studied.Based on the topological structure,a more comprehensive study was made to estimate effects of different control algorithm.Finally the development trend of the digital power supply was studied on the basis of analysis of the digital control products.
出处
《微电子学》
CAS
CSCD
北大核心
2016年第4期562-566,580,共6页
Microelectronics
关键词
数字控制
数字电源
数字信号处理器
数字PID补偿
Digital control
Digital power supply
Digital signal processor
Digital PID compensation
