高精度驾驶控制系统的设计,用于电荷管理
Yang Wang1, Boyan Lv1, Tao Yu2
1College of Engineering and Technology, Jilin Agricultural University, Changchun 130118, China.
Sensors (Basel, Switzerland)
|May 11, 2024
概括
充电管理对于惯性传感器至关重要. 这项研究介绍了一种精密的紫外线LED驱动系统,可以精确控制电流以有效消散电荷,提高传感器性能.
科学领域:
- 物理 物理学 物理
- 电气工程 电气工程
- 传感器技术 传感器技术
背景情况:
- 惯性传感器的性能受到试验质量与电磁场相互作用的累积电荷的降低.
- 有效的电荷管理对于保持惯性传感器的准确性和可靠性至关重要.
- 紫外 (UV) 发光二极管 (LED) 放电技术是测试质量电荷管理的最佳解决方案.
研究的目的:
- 介绍一款针对紫外线LED设计的新型驾驶控制系统,用于精确的充电管理.
- 为了实现可控制的脉冲宽度调制 (PWM) 类型的电流输出,可调节脉冲宽度和振幅.
- 在敏感应用中提供可靠和准确的驱动紫外线LED的方法.
主要方法:
- 开发一个使用模拟PWM进行脉冲宽度可控制的电压信号的驾驶控制系统.
- 实现范围切换,以精确调节PWM信号的振幅.
- 使用改进的豪兰电流源将电压信号转换为PWM类型的驱动电流.
主要成果:
- 该系统成功实现了可控制的电流输出范围从0.01mA到10mA,最小步骤为0.01mA.
- 证明了当前输出的高精度,达到1%.
- 展现出出色的稳定性 (在1小时内超过1%) 和负载调节 (超过2%).
结论:
- 开发的UV LED驾驶控制系统为惯性传感器的充电管理提供了精确可靠的方法.
- 该系统可控制的电流输出和高精度为LED驱动技术提供了显著的进步.
- 这项研究是整合充电管理系统和精密LED驱动控制方法的宝贵参考.
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