求翻译：随着电动汽车的发展，电池管理系统(BMS)也得到了广泛应用。为了充分发挥电池系统的动力性能、提高其使用的安全性、防止电池过充和过放，延长电池的使用寿命、优化驾驶和提高电动汽车的使用性能，BMS系统就要对电池的荷电状态即SOC(State-Of-Charge)进行准确估算。目前，在国外虽有许多公司和科研机构正在研制和开发电池管理系统，但大都没有取得明显的效果，实际应用中还存在许多问题。下面介绍电池管理系统所经历的不同阶段。是什么意思？

With the development of electric vehicles, battery management system (BMS) has also been widely used. To take full advantage of the dynamic performance of the battery system, improve the safety of its use, to prevent battery overcharge and over discharge, extend battery life and optimized driving an

As electric vehicles, Battery Management System (BMS) has been extensively applied. In order to fully maximize the battery power system performance and improve their use of security, prevent the battery from overcharge and over, and extend the lifetime of the battery, optimize, and improve the perfo

With the development of electric vehicles, battery management system (BMS) has been widely used. In order to give full play to the battery system dynamic performance, improving its sec