本文档详细说明电池管理FCC的算法, bATtery Fuel-Gauging Algorithm, 可以帮助你深入了解电池管理的一个重要参数FCC.
上传时间: 2022-02-20
上传用户:kent
CPCI_E标准规范 CompactPCI® Express SpecificationThe documents in this section may be useful for reference when reading the specification. The revision listed for each document is the latest revision at the time this specification was published. Newer revisions of these documents may exist, so refer to the newest revision. Many of these documents are referenced throughout this specification. Refer to the newest revision of the document unless a specific revision is referenced. • PCI Express Base Specification 3.0. PCI Special Interest Group (PCI-SIG). • PCI Express Card Electromechanical (CEM) Specification 3.0. PCI Special Interest Group (PCI-SIG). • PCI Express to PCI/PCI-X Bridge Specification, Rev. 1.0. PCI Special Interest Group (PCI-SIG). • PCI Express Jitter White Paper. PCI Special Interest Group (PCI-SIG). • PCIe Rj Dj BER White Paper. PCI Special Interest Group (PCI-SIG). • PHY Electrical Test Specification for PCI Express Architecture. PCI Special Interest Group (PCI SIG). • System Management Bus (SMBus) Specification, Version 2.0. Smart bATtery System Implementer’
标签: CPCIE
上传时间: 2022-02-23
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目前电动汽车主要以锂电池作为动力来源,为了提高锂电池的使用时间和安全性,为锂电池提供安全良好的运行环境,电池管理系统应运而生。BMS主控单元基于S32K144汽车级单片机,通过主从式网络控制结构能够对锂电池的各个参数进行采集与分析。采用扩展卡尔曼滤波对电池的荷电状态(SOC)进行估算,克服普通估算方法无法避免电池内阻误差的缺点,通过Matlab/Simulink软件仿真验证可使估算误差达到2%以内。At present,electric vehicles mainly use lithium batteries as the power source.In order to improve the running time and safety of lithium batteries,a safe and good operating environment for power batteries is provided,and a bATtery management system(BMS) has emerged.The BMS main control unit is based on the S32K144 automotive-grade control chip.Through the master-slave network control structure,it can collect and analyze the various parameters of the lithium bATtery.The Extended Kalman Filter(EKF) is used to estimate the state of charge(SOC) of the bATtery,which overcomes the shortcomings of the internal estimation method that cannot overcome the internal resistance error of the bATtery.It can be verified by Matlab/Simulink software simulation.The estimation error is within 2%.
上传时间: 2022-03-26
上传用户:XuVshu
本设计介绍了一种基于STM32单片机控制的智能水杯,可利用插口式电源或无线充电底座为加热器提供能量,并在达到某种饮品所需温度时进行保温。水杯内置充电电池,可选用USB接口或无线充电。在水杯内部设置无线模块,用户利用手机App与水杯进行匹配进行加热操作,加热完后水杯会通过手机App和液晶显示屏实时反馈液体温度,通过指示灯显示电量情况等,给用户进行提醒。该智能水杯设计创新,实用价值较高。This paper introduces an intelligent water cup based by STM32 microcontroller,it can provide energy for the heater by socket type power supply or wireless charging base,and hold temperature needed for some kind of drink.Builtedin rechargeable bATtery,water cup can use USB or wireless charging.The wireless module is set up inside it,and customers can use mobile App to match and heat.After heating,water cup feeds back liquid temperature through the mobile App,and then displays on LCD,reminds users through the indicator light.The intelligent water cup is designed innovatively and has high practical value.
上传时间: 2022-03-28
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锂电池BMS管理技术是移动机器人的关键技术,本文设计了基于bq76PL455、STM32F103的锂电池管理系统,实现了电池组电压、电流、过压、过流等状态监测;系统配置均衡电路,电池充电过程中若出现电池单体电压不平衡现象,会触发均衡电路,进而提高电池的安全性,延长使用寿命。Lithium bATtery BMS management technology is the key technology of mobile robot.The lithium bATtery management system based on bq76PL455 and STM32F103 is proposed to realize the monitoring of bATtery pack voltage,current,overvoltage and overcurrent.The system is equipped with equalization circuit.When the bATtery cell voltage imbalance occurs,the equalization circuit is triggered to improve the safety and service life of the bATtery.
上传时间: 2022-04-02
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应用无迹卡尔曼滤波算法(UKF)进行锂电池的SOC估计,采用Thevenin二阶RC等效电路模型,对HPPC电池脉冲充放电实验数据进行Matlab处理,得到较为准确的模型.通过在Matlab中编写算法程序,对不同工况的估计值与实际值进行误差估算及对比分析,通过此算法进行SOC估计,得到该算法可有效降低系统误差并纠正SOC的初值偏差.The non trace Calman filter (UKF) is applied to the SOC estimation of lithium bATtery. The Thevenin two order RC equivalent circuit model is used to process the HPPC bATtery pulse charge discharge experimental data by Matlab processing, and a more accurate model is obtained. By writing algorithm program in Matlab, the error estimation and comparison analysis of the estimated value and actual value of different states are carried out, and the SOC estimation is carried out by this algorithm. The algorithm can effectively reduce the system error and correct the initial value deviation of the SOC.
标签: 卡尔曼滤波
上传时间: 2022-05-03
上传用户:默默
The JW® 7805 is a low noise low-dropout (LDO) voltage regulator with enable function that operates from 1.8V to 5.5V. It provides up to 300mA of output current and offers low-power operation in miniaturized packaging. JW7805 supports fixed output voltage 0.9V, 1.0V, 1.05V, 1.1V,1.2V, 1.3V, 1.35V, 1.5V, 1.8V, 1.85V, 2.1V, 2.2V, 2.3V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V,3.1V, 3.3V, 3.6V, 4.2V, 4.4V and 5.0V. The features of low quiescent current as low as 6uA and almost zero disable current are ideal for powering the bATtery equipment. JW7805’s low output noise and high PSRR are also friendly to RF systems.
标签: JW7805
上传时间: 2022-05-06
上传用户:slq1234567890
RX-8801 SA Features built-in 32.768 kHz DTCXO, High Stability Supports l'C-Bus's high speed mode (400 kHz)Alarm interrupt function for day, date, hour, and minute settings Fixed-cycle timer interrupt function Time update interrupt function32.768 kHz output with OE function Auto correction of leap years Wide interface voltage range: 2.2 V to 5.5 V Wide time-keeping voltage range:1.8 V to 5.5 V Low current consumption: 0.84A/3V (Typ.)is an IC bus interface-compliant real-time clock which includes a 32.768 kHz DTCXO In addition to providing a calendar (year, month, date, day, hour, minute, second) function and a clock counter function, this module provides an abundance of other functions including an alarm function, fixed-cycle timer unction, time update interrupt function, and 32.768 kHz output function.The devices in this module are fabricated via a C-MOS process for low current consumption, which enables ong-term bATtery back-up.
上传时间: 2022-06-17
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BMS定义·BMS:bATtery management system SYSTEM),其作用是对锂离子电池电压、电流、温度、容量、电池SOC荷电状态计量、电池与车体的绝缘状态等多种电池参数以CAN通讯的方式与车控电脑实时进行信息交换,确保电池的能量发挥到极致,使驾驶者能够随时掌握电池的工作状态,以保证电池的安全。BMS不仅是数字化智能电池系统的中枢神经,也是新能源汽车必不可少的关键部件·SOC:State of Charge,电池(组)荷电状态;·SOH:State of Health,电池健康度BMS功能·1)电池工作状态监控:主要指在电池的工作过程中,对电池的电压,温度,工作电流,电池电,绝缘阻抗,继电器状态等一系列电池相关参数进行实时监测或计算,并根据这些参数判断目前电池的状态,以进行相应的操作,防正电池的过充或过放。·2)电池充放电管理:在电池的充电或放电的过程中,根据环境状态,电池状态等相关参数对电池的充电或放电进行管理,设置电池的最佳充电或放电曲线(如充电电流,充电上限电压值,放电下限电压值等),实现电池过充,进蔽,垃流,是流,短路等保护3)单体电池间均衡:即为单体电池均衡充电,使电池组中各个电池都达到均衡一致的状态。均衡器是电池管理系统的核心部件。
上传时间: 2022-07-02
上传用户:slq1234567890
BMS即 bATtery Management System,电池管理系统。作为新能源汽车“电核心技术之一,BMS在新能源车上扮演十分重要的作用。按照新能源汽车对电池管理的需求,BMS具备的功能包括电压/温度/电流采样及相应的过压、欠压、过温、过流保护,SOC/SOH估算、SOP预测、故障诊断、均衡控制、热管理和充电管理等。为了保证汽车电子电气的可靠性设计,在2011年发布了ISO26262道路车辆功能安全标准),ISO26262标准是源于工业功能安全标准(IEC61508)[1]。目前许多汽车企业和零部件企业在控制器开发过程中采用ISO26262这个标准,ISO26262包括了汽车电子电气开发中与安全相关的所有应用,制定了汽车整个生命周期中与安全相关的所有活动,ISO26262从需求开始,当中包括概念设计、软硬件设计,直至最后的生产、操作,都提出了相应的功能安全要求,其覆盖了汽车整个生命周期,从而保证安全相关的电子产品的功能性失效不会造成危险的发生。如下图所示
标签: bms
上传时间: 2022-08-09
上传用户:1208020161