CN113195320A - 滑行降挡控制方法和控制*** - Google Patents
滑行降挡控制方法和控制*** Download PDFInfo
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- CN113195320A CN113195320A CN201980065748.0A CN201980065748A CN113195320A CN 113195320 A CN113195320 A CN 113195320A CN 201980065748 A CN201980065748 A CN 201980065748A CN 113195320 A CN113195320 A CN 113195320A
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- Prior art keywords
- torque
- clutch
- target
- control method
- motor
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 230000001172 regenerating effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000009977 dual effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Transmission Device (AREA)
Abstract
本发明涉及一种用于车辆的滑行降挡控制方法及控制***。该车辆包括电机、第一离合器、第二离合器、变速器和车轮,第一离合器和第二离合器并联地传动连接在电机与变速器之间,变速器与车轮传动连接,该控制方法包括:在车辆滑行降挡的扭矩交替阶段,控制电机使电机扭矩达到目标电机扭矩,其中,在车辆滑行降挡的扭矩交替阶段中,第一离合器从接合状态开始转换到分离状态,同时第二离合器从分离状态开始转换到接合状态,并且该目标电机扭矩是在扭矩交替阶段中绝对值逐渐减小的负向扭矩,以补偿离合器转换时导致的车轮扭矩变化。本发明的滑行降挡控制方法及控制***能够改善滑行降挡的驾驶感受。
Description
PCT国内申请,说明书已公开。
Claims (10)
- PCT国内申请,权利要求书已公开。
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CN113503359B (zh) * | 2021-07-22 | 2023-01-06 | 重庆长安汽车股份有限公司 | Phev车型的双离合自动变速器的离合器扭矩控制方法及*** |
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CN113195320B (zh) | 2024-04-05 |
WO2020142914A1 (zh) | 2020-07-16 |
DE112019006600T5 (de) | 2021-11-11 |
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