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MA B , CHEN F , LI H Y , et al . A study on the effects of shifting frequency upon average temperature rise of clutches [J ] . Automotive Engineering , 2017 , 39 ( 5 ): 535 - 542 . (in Chinese)

魏巍 , 曲婧瑶 , 武景燕 , 等 . 液力机械传动履带车辆换挡规律优化方法研究 [J ] . 兵工学报 , 2011 , 32 ( 4 ): 403 - 407 . 为提高履带车辆整车动力性能，针对某液力机械传动履带车辆提出了一种换挡规律优化方法。在MATLAB/Simdriveline环境下，构建针对液力机械综合传动装置的动力学模型，制定出针对不同工况的优化设计方案，运用优化软件iSight进行仿真模型的调用和换挡点的优化，得到了优化后的换挡规律。仿真分析表明，该方法对提高车辆动力性和换挡平顺性有理论和实际意义。

WEI W , QU J Y , WU J Y , et al . Research on optimization method for shift schedule of tracked vehicle with hydrodynamic mechanical transmission [J ] . Acta Armamentarii , 2011 , 32 ( 4 ): 403 - 407 . (in Chinese) A kind of automatic shift schedule optimization method was provided for a tracked vehicle with hydrodynamic-mechanical transmission in order to improve its dynamic performance. The dynamic model of the transmission assembly was built in MATLAB/Simdriveline environment, and optimum shift schedule was derived by using iSight software to call the dynamic model above, then the gear-shifting schedule was achieved after optimization. Simulation results show that the method is significant to improve dynamic performance and gear-shifting smoothness theoretically and practically.

高子茵 , 杜明刚 , 李慎龙 , 等 . 基于遗传算法优化和模糊控制动态优化的自动变速器换挡规律设计 [J ] . 兵工学报 , 2021 , 42 ( 4 ): 684 - 696 . DOI: 10.3969/j.issn.1000-1093.2021.04.002 http://doi.org/10.3969/j.issn.1000-1093.2021.04.002 为提高轻型越野战术车辆的整车动力性，针对车辆的自动变速器换挡规律进行优化设计。依据MATLAB/Simulink的仿真环境，构建基于车速和油门开度双参数换挡规律的整车动力模型。以双参数换挡规律的换挡点为优化对象，采用遗传算法对换挡点进行优化。根据加速度参数能反映车辆纵向动态的特性，引入加速度，采用模糊控制算法对换挡规律进行动态优化设计，构建三参数的模糊控制器。通过仿真模型和实车试验来验证换挡规律优化前后对车辆动力性的影响。结果表明：优化后的控制策略可有效提升车辆的动力性能，能够更加合理分配在动力需求下的发动机和挡位的使用工况，完全满足轻型越野战术车辆复杂路况下对动力性的需求。

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李春芾 , 陈慧岩 . 换挡过程两换挡执行元件充放油交替方法研究 [J ] . 兵工学报 , 2015 , 36 ( 1 ): 12 - 18 . DOI: 10.3969/j.issn.1000-1093.2015.01.002 http://doi.org/10.3969/j.issn.1000-1093.2015.01.002 液力机械自动变速器（AT）换挡过程中两个换挡执行元件充放油交替过程时序不当会造成动力中断或重叠过多（俗称“挂双挡），并引起功率损失、换挡冲击及加剧换挡执行元件磨损。以艾里森大功率自动变速器（HD4070PR自动变速器）为研究对象，利用拉格朗日方程建立换挡过程的动力学方程，依据所建立的方程分析升降挡过程中两换挡执行元件充放油交替方法，并通过自行开发的电控系统进行了实车试验验证。研究结果表明：对于升挡过程通过合理的动力搭接既可以实现无动力中断换挡，又可以减小换挡冲击；对于降挡过程不可避免出现动力中断，只能尽可能地降低动力损失。

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王尔烈 , 陈慧岩 , 顾宏弢 , 等 . 重型行星式自动变速器换挡过程控制策略 [J ] . 北京理工大学学报 , 2017 , 37 ( 5 ): 485 - 490 .

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李春明 , 简洪超 , 李娟 , 等 . 液力自动变速器换挡控制轨迹优化方法 [J ] . 兵工学报 , 2020 , 41 ( 11 ): 2155 - 2169 . DOI: 10.3969/j.issn.1000-1093.2020.11.002 http://doi.org/10.3969/j.issn.1000-1093.2020.11.002 随着液力自动变速器挡位数不断增加，出现了换挡过程中需要多个离合器协同操纵的多切换式换挡方式，使得换挡品质控制问题变得更加复杂。为同时满足自动变速器在传统单切换以及多切换式换挡中的换挡品质需求，建立了包含发动机动态模型、液力变矩器动态模型、行星变速器、离合器和车辆负载的车辆换挡过程动力学模型，并通过非道路车辆的实车试验结果对所建动力传动系统仿真模型进行了验证。结合换挡品质客观评价指标，利用hp自适应Legendre-Gauss-Radau正交配点法，对车辆换挡过程中的离合器/制动器油压轨迹进行了优化。建立换挡品质控制硬件在环实验平台，开展了变速器在多切换以及单切换式换挡过程控制实验。结果表明，换挡品质优化方法能够有效提高车辆在各换挡过程中的换挡品质。

LI C M , JIAN H C , LI J , et al . Control trajectory optimization method of automatic transmission gear-shift [J ] . Acta Armamentarii , 2020 , 41 ( 11 ): 2155 - 2169 . (in Chinese) DOI: 10.3969/j.issn.1000-1093.2020.11.002 http://doi.org/10.3969/j.issn.1000-1093.2020.11.002 Multi-transition gear-shift, which needs more than one pair of clutches to be controlled properly, is carried out along with the increasing development of gear number. The shift quality control of multiple transition gear-shift is a more challenging problem compared with the traditional single transition gear-shift process. To achieve a satisfying shift quality during both single and multi-transition gear shift, a dynamic model of automatic transmission containing engine, hydraulic torque converter, planetary gearbox, clutch and load of the vehicle is established. The experimental data of a test vehicle is used to verify the proposed dynamic model of the powertrain. The trajectory of clutch pressure during gearshift is optimized using hp-Legendre-Gauss-Radau method with the objective evaluation index. The test on a hardware in the loop (Hil) test bench is carried out, which can prove the proposed shift quality optimization method is effective to improve the shift quality during both traditional single transition gear shift and multi-transition gear-shift.

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任校辰 , 彭建鑫 , 王成 , 等 . 服役状态下履带车辆综合传动装置换挡过程油压曲线自动寻优 [J ] . 兵工学报 , 2024 , 45 ( 12 ): 4475 - 4487 . DOI: 10.12382/bgxb.2023.1028 http://doi.org/10.12382/bgxb.2023.1028 履带车辆在服役状态下面临复杂恶劣的行驶环境,作为其重要组成部分的综合传动装置液压操纵系统的关键参数会出现性能退化,进而导致换挡品质大幅恶化。为改善综合传动装置在不同服役状态下的换挡品质,研究服役状态下液压操纵系统退化机理,建立包括动力源模型、行星变速器统一动力学模型和负载模型的换挡过程模型。根据换挡品质评价函数,利用遗传算法及全局寻优算法对综合传动装置换挡过程油压曲线进行优化。建立换挡油压曲线优化仿真实验平台,开展车辆不同服役状态下换挡油压曲线优化实验。研究结果表明,换挡油压曲线优化方法能有效改善车辆不同服役状态下的换挡品质。

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