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Event-triggered Controlled Charger for Lithium Battery Packs
IEEE Latin America Transactions ( IF 1.3 ) Pub Date : 2024-04-15 , DOI: 10.1109/tla.2024.10500713
Javier Blanco Rico 1 , Basil Mohammed Al-Hadithi 2
Affiliation  

Event-triggered Control is a modification for digital based control systems that has gain popularity in recent years. This alteration in control algorithms offers advantages like reductions in computation times or even in the requirements of system's hardware bay reducing its processing and communications to the minimum required; allowing for less computation and communication time needed to perform control actions and making them relevant for environments with shared communication mediums or hardware handling multiple processes simultaneously. In this work, a comparison is presented between a classic control scheme and its event triggered counterpart when controlling a Power Source for a simple Lithium Battery Charger. The event triggered versions of the current programmed control and the voltage Proportional-Integral-Derivative controllers are designed to adhere to the maximum admissible errors of the system (voltage and current output ripple) and results are presented to show how the modifications manage to obtain equivalent results to thous of their classic continuous counterparts while minimizing control loop actuation and therefore improve computation and communications performance without hindering system efficiency. This results are specially relevant for such ubiquitous devices in complex systems like electric vehicles or portable consumer electronics, allowing for computation time to be dedicated to other tasks and freeing communication channels for other devices.

中文翻译:

用于锂电池组的事件触发控制充电器

事件触发控制是对基于数字的控制系统的修改,近年来越来越受欢迎。控制算法的这种改变提供了一些优点,例如减少计算时间,甚至减少系统硬件舱的要求,将其处理和通信减少到最低要求;允许执行控制操作所需的计算和通信时间更少,并使它们与具有共享通信介质或同时处理多个进程的硬件的环境相关。在这项工作中,在控制简单锂电池充电器的电源时,对经典控制方案与其事件触发对应方案进行了比较。电流编程控制和电压比例积分微分控制器的事件触发版本旨在遵守系统的最大允许误差(电压和电流输出纹波),并提供结果以显示修改如何设法获得等效值结果是数以千计的经典连续对应物,同时最大限度地减少控制回路驱动,从而在不影响系统效率的情况下提高计算和通信性能。这一结果与电动汽车或便携式消费电子产品等复杂系统中无处不在的设备特别相关,允许将计算时间专用于其他任务并为其他设备释放通信通道。
更新日期:2024-04-15
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