The invention relates to the technical field of power supply management, in particular to an electric bicycle lithium battery electric quantity accurate algorithm system, which comprises an information acquisition module, a power supply module, a power supply module and a power supply module, the speed correction module is used for converting the gradient information into acceleration on a horizontal road surface and correcting the driving speed in combination with a wind resistance model; the energy consumption density calculation module is used for acquiring the driving energy consumption density based on the corrected driving speed and the energy consumption corresponding to the speed; the electric quantity consumption calculation module is used for calculating driving electric quantity consumption based on the driving energy consumption density and the driving time; and the remaining power calculation module is used for monitoring the real-time current output of the battery through the battery management system and obtaining the estimated value of the remaining power of the battery in combination with the driving power consumption. The estimation of the residual electric quantity is more accurate, reliable endurance mileage indication is provided for a rider, and the situation of half-road drop caused by inaccurate electric quantity estimation is effectively avoided.

    本发明涉及电源管理技术领域,具体涉及电单车锂电池电量精准算法系统,信息获取模块,用于获取电单车行驶路程的行驶速度和坡度信息;速度修正模块,用于将坡度信息转换成水平路面上的加速度,并结合风阻模型对行驶速度进行修正;能耗密度计算模块,用于基于修正后的行驶速度和速度对应的能耗获取行驶能耗密度;电量消耗计算模块,用于基于行驶能耗密度和行驶时间计算行驶电量消耗;剩余电量计算模块,用于通过电池管理系统监测电池的实时电流输出,并结合行驶电量消耗得到电池剩余电量估计值。得剩余电量的估算更为准确,为骑行者提供了可靠的续航里程指示,有效避免了因电量估计不准确导致的半路抛锚情况。


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    Title :

    Accurate algorithm system for electric quantity of lithium battery of electric bicycle


    Additional title:

    电单车锂电池电量精准算法系统


    Contributors:
    YANG ZHIGUO (author)

    Publication date :

    2024-08-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein



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