J. Álvarez, A. Lago, A. Nogueiras, C. Martinez-Peñalver, J. Marcos, J. Doval‐Gandoy, Ó. López
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引用次数: 14
摘要
用于汽车应用的同步多相DC-DC转换器的设计现在是一个非常活跃的领域，因为汽车行业预测未来汽车内部的功率需求将在2.5 kW和3.5kW之间波动，保持42/14V电池的双系统。为这种变换器的最佳行为设计控制器是一项非常微妙的任务。本文提出了一种优化的模糊控制算法来控制1.6kW的同步多相变换器。首先，利用Matlab和Simulink对模糊控制算法进行了设计和验证，并建立了变换器功率级的非线性模型。然后，通过Xilinx System Generator for Simulink开发了模糊控制器硬件，并在Spartan 3 FPGA上实现，实现了实时控制器
FPGA implementation of a fuzzy controller for automobile DC-DC converters
The design of synchronous multiphase DC-DC converters for automobile applications is now a very active field, because the automotive industry forecast that future power demands inside a car will oscillate between 2.5 kW and 3.5kW, keeping a dual system of 42/14V batteries. The design of controllers for the optimal behavior of such converters is a very delicate task. In this paper, an optimized fuzzy control algorithm has been developed to control a synchronous multiphase converter of 1.6kW. First, the fuzzy control algorithm is designed and verified, together with a non linear model of the converter power stage, by means of Matlab and Simulink. Then, the fuzzy controller hardware is developed through Xilinx System Generator for Simulink, and implemented in a Spartan 3 FPGA to achieve a real-time controller
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