电传动装甲车辆母线电压双通道补偿控制

doi:10.3969/j.issn.1000-1093.2021.10.004

摘要/Abstract

摘要： 针对电传动装甲车辆突然加速或减速瞬间和加速过程中出现的母线电压波动现象，开展母线电压控制策略研究。基于某型8×8轮式装甲车电力系统拓扑结构，建立计及超级电容和电机负载在内的DC/DC小信号模型，剖析以上两种工况下母线电压波动现象诱因。根据功率前馈控制策略并结合电机驱动器-轮毂电机负载“负阻抗”特性分析，提出一种双通道补偿控制策略并通过硬件在环仿真和样车试验对其有效性进行验证。研究结果表明：功率前馈控制对车辆突然加速或减速诱发的母线电压波动具有较好的抑制作用，但对于加速过程中电机负载“负阻抗”特性导致的母线电压波动基本无作用；采用双通道补偿控制能够有效抑制两种母线电压波动现象，提高系统抗干扰能力。

关键词: 装甲车辆, 电传动, 母线电压, 双通道补偿控制, 车载综合电力系统, DC/DC变换器

Abstract: A bus voltage control strategy of armored vehicle with electric transmission is proposed for the fluctuating voltage arising in the process of sudden acceleration and deacceleration. A small signal model including the super capacitor and motor loads is developed based on the topological structure of vehicular integrated power system of 8×8 armored vehicle. The causes of two kinds of bus voltage fluctuations are analyzed. A dual-channel compensation control strategy is proposed based on power feedforward control strategy and the negative impedance characteristics of motor loads. The effect of the control strategy is evaluated by hardware-in-loop simulation and prototype vehicle test. The results show that the bus voltage fluctuations caused by sudden acceleration and deceleration are well restrained by using power feedforward control strategy, but it has no influence on the voltage fluctuation caused by negative impedance characteristics. The bus voltage fluctuations are effectively restrained by the dual-channel compensation control strategy, which also improves the anti-interference ability of the system.

Key words: armoredvehicle, electrictransmission, busvoltage, dual-channelcompensationcontrol, vehicularintegratedpowersystem, DC/DCconverter

中图分类号:

TJ810.2

廖自力，疏歆，高强，李嘉麒. 电传动装甲车辆母线电压双通道补偿控制[J]. 兵工学报, 2021, 42(10): 2082-2091.

LIAO Zili， SHU Xin， GAO Qiang， LI Jiaqi. Double Channel Compensation Control of Bus Voltage for Armored Vehicle with Electric Transmission[J]. Acta Armamentarii, 2021, 42(10): 2082-2091.

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