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Digital Control for Radiation-Hardened Switching Converters in Space

机译:空间辐射增强型开关转换器的数字控制

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摘要

Single-event hardening solutions for two converter designs with digital control are considered for space radiation environments: 1) a boost converter using static random access memory (SRAM)-based field programmable gate arrays (FPGAs). In this case the hardening approach is based on duplication at both the logic and device levels and on a nondisruptive resynchronization mechanism that ensures the converter operation if single-event functional interrupt occurs. 2) An integrated buck converter that uses redundancy at the register level, as well as modification of the very high speed integrated circuit (VHSIC) hardware description language (VHDL) code. These hardening techniques are validated through experiments and simulations.
机译:在空间辐射环境中考虑了两种具有数字控制的转换器设计的单事件强化解决方案:1)使用基于静态随机存取存储器(SRAM)的现场可编程门阵列(FPGA)的升压转换器。在这种情况下,加固方法基于逻辑和设备级别的复制以及无中断重新同步机制,该机制在发生单事件功能中断时可确保转换器运行。 2)集成降压转换器,它在寄存器级别使用冗余,并修改了超高速集成电路(VHSIC)硬件描述语言(VHDL)代码。这些强化技术已通过实验和仿真验证。

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