Formulation of gear shift schedule

Formulation of gear shift schedule for power performanceThe principle for formulating the best dynamic up shift law was as follows. For the same accelerator pedal opening, if the acceleration curves of two adjacent gears intersect, then the intersection is used as the shift point. If the acceleration curves of the adjacent two gears do not intersect, then the highest vehicle speed of each gear is taken as the shift point, that is, the optimal dynamic shifting law satisfies the following condition:For the same opening of the accelerator pedal, if there was an intersection point in the acceleration curves of two adjacent gears, the intersection point was used as the gear shift point. If there was no intersection point in the acceleration curves of two adjacent gears, the maximum speed of each gear was taken as the gear shift point. To prevent cyclic gear shifting, the interval between the upshift curve and the downshift curve was set as 5 km/h.28Based on the principle of selecting the shear shift point for the optimal power performance, the gear shift schedule curve for optimal power performance was obtained (Figure 6). In Figure 6, the points on the black curve are the points where second gear was shifted to first gear for different openings of the acceleration pedal, and the points on the red curve are where first gear was shifted to second gear. The corresponding abscissa of each point was the gear shift speed, and the ordinate was the opening of the acceleration pedal. In this study, the speed corresponding to the gear shift point of the battery electric passenger vehicle varied from 24 to 27 km/h. As the opening of the accelerator pedal gradually increased, the speed of the vehicle during gear shifting generally increased. When the accelerator pedal was 80% open, the speed of the vehicle was slightly reduced to 24.3 km/h, which was related to the selection of the intersection point in the acceleration curves of two adjacent gears. Such a gear shifting schedule curve ensures that the gear can be smoothly shifted for different openings of the accelerator pedal to improve the power performance of the vehicle.

Formulation of gear shift schedule for power performanceThe principle for formulating the best dynamic up shift law was as follows. For the same accelerator pedal opening, if the acceleration curves of two adjacent gears intersect, then the intersection is used as the shift point. If the acceleration curves of the adjacent two gears do not intersect, then the highest vehicle speed of each gear is taken as the shift point, that is, the optimal dynamic shifting law satisfies the following condition:For the same opening of the accelerator pedal, if there was an intersection point in the acceleration curves of two adjacent gears, the intersection point was used as the gear shift point. If there was no intersection point in the acceleration curves of two adjacent gears, the maximum speed of each gear was taken as the gear shift point. To prevent cyclic gear shifting, the interval between the upshift curve and the downshift curve was set as 5 km/h.28Based on the principle of selecting the shear shift point for the optimal power performance, the gear shift schedule curve for optimal power performance was obtained (Figure 6). In Figure 6, the points on the black curve are the points where second gear was shifted to first gear for different openings of the acceleration pedal, and the points on the red curve are where first gear was shifted to second gear. The corresponding abscissa of each point was the gear shift speed, and the ordinate was the opening of the acceleration pedal. In this study, the speed corresponding to the gear shift point of the battery electric passenger vehicle varied from 24 to 27 km/h. As the opening of the accelerator pedal gradually increased, the speed of the vehicle during gear shifting generally increased. When the accelerator pedal was 80% open, the speed of the vehicle was slightly reduced to 24.3 km/h, which was related to the selection of the intersection point in the acceleration curves of two adjacent gears. Such a gear shifting schedule curve ensures that the gear can be smoothly shifted for different openings of the accelerator pedal to improve the power performance of the vehicle.

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结果 (简体中文) 1: [复制]

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动力性能 换挡规律的制定最佳动态升档规律的制定原则如下。对于相同的油门踏板开度，如果相邻两个档位的加速曲线相交，则以该交点为换挡点。若相邻两档的加速度曲线不相交，则以各档的最高车速为换档点，即最优动态换档规律满足以下条件： 对于相同的油门踏板开度，如果相邻两个档位的加速度曲线存在交点，则以该交点作为换档点。如果相邻两档的加速度曲线没有交点，则取每档的最高速度作为换档点。为防止循环换档，升档曲线和降档曲线之间的间隔设置为 5 公里/小时。28 根据选择最佳动力性能切变点的原则，得到最佳动力性能换挡规律曲线（图6）。在图6中，黑色曲线上的点为不同加速踏板开度的二档换到一档的点，红色曲线上的点为一档换到二档的点。各点对应的横坐标为换档速度，纵坐标为加速踏板的开度。在本研究中，纯电动乘用车换档点对应的速度从 24 到 27 公里/小时不等。随着油门踏板的开度逐渐增大，换挡时车辆的速度普遍提高。当油门踏板打开 80% 时，车辆的速度略微降低到24.3公里/小时，这与相邻两个档位加速曲线中交点的选择有关。这样的换挡规律曲线保证了在不同的油门踏板开度下都能平稳换挡，从而提高车辆的动力性能。

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结果 (简体中文) 2:[复制]

复制成功！

动力性能换档规律的制定 制定最佳动态升档规律的原则如下。对于相同的油门踏板开度，如果两个相邻档位的加速曲线相交，则该相交点用作换档点。如果相邻两个档位的加速度曲线不相交，则取每个档位的最高车速作为换档点，即最佳动态换档规律满足以下条件： 对于相同的油门踏板开度，如果两个相邻档位的加速曲线中存在交点，则该交点用作换档点。如果相邻两个档位的加速度曲线上没有交点，则取每个档位的最大速度作为换档点。为防止循环换档，升档曲线和降档曲线之间的间隔设置为5 公里/小时28 基于选择最佳动力性能的切变换档点的原则，获得了最佳动力性能的换档规律曲线（图6）。在图6中，黑色曲线上的点是加速踏板不同开口时将二档换到一档的点，红色曲线上的点是将一档换到二档的点。每个点对应的横坐标是换档速度，纵坐标是加速踏板的打开度。在本研究中，与电池电动乘用车换档点对应的速度在24到27之间变化 km/h。随着油门踏板的开度逐渐增加，换档过程中车辆的速度通常会增加。当油门踏板打开80%时，车速略微降低到24.3 km/h，这与两个相邻档位加速度曲线交点的选择有关。这种换档规律曲线可确保在油门踏板的不同开度下平稳换档，从而提高车辆的动力性能。

正在翻译中..

结果 (简体中文) 3:[复制]

复制成功！

动力性能换挡规律的制定制定最佳动态升档规律的原则如下。对于相同的油门踏板开度，如果相邻两个档位的加速度曲线相交，则相交点作为换挡点。如果相邻两个档位的加速度曲线不相交，则以每个档位的最高车速为换挡点，即最优动态换挡规律满足以下条件:对于相同的加速踏板开度，如果两个相邻档位的加速曲线有交点，则该交点用作换档点。如果相邻两个档位的加速度曲线没有交点，则以每个档位的最大速度作为换挡点。为了防止循环换档，升档曲线和降档曲线之间的间隔设置为5 km/h.28根据选择最佳动力性能的剪切换档点的原则，获得了最佳动力性能的换档规律曲线(图6)。在图6中，黑色曲线上的点是加速踏板不同开度时二档换到一档的点，红色曲线上的点是一档换到二档的点。每个点对应的横坐标是换挡速度，纵坐标是加速踏板的开度。在本研究中，电池电动乘用车换挡点对应的速度在24至27 km/h之间变化，随着加速踏板开度的逐渐增加，换挡时的车速普遍增加。油门踏板80%打开时，车速略微降低至24.3 km/h，这与相邻两档加速曲线中交点的选择有关。这样的换挡规律曲线确保了对于加速踏板的不同开度，换挡能够平稳地进行，以提高车辆的动力性能。

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