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Vehicle

A vehicle and vehicle quality technology, which is applied to vehicle components, vehicle condition input parameters, external condition input parameters, etc., and can solve problems such as the impact of vehicle quality.

Inactive Publication Date: 2014-09-03
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Vehicle mass may be affected by trailers attached to the vehicle

Method used

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Embodiment Construction

[0022] Embodiments of the present disclosure are described herein. It is to be understood, however, that the disclosed embodiments are merely examples and that other embodiments may take various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. As will be understood by those of ordinary skill in the art, various features shown and described with reference to any one figure can be combined with features shown in one or more other figures to produce the embodiment. The combinations of features shown provide representative embodiments for typical applications. However, various combinations and modifications of the features consistent with the teachings o...

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PUM

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Abstract

A vehicle is disclosed. The vehicle having a drivetrain is controlled based on a difference between a torque transmitted by the drivetrain when the vehicle has constant non-zero speed and the torque transmitted by the drivetrain when the vehicle is accelerating. The drivetrain torque may be measured by a drivetrain torque sensor. The effective vehicle mass is computed from the torque difference. The computed mass of the vehicle is used to adjust the activation of a collision warning system or a collision avoidance system. A method of operating a vehicle where the activation of a collision avoidance system is adjusted based on a difference between a torque transmitted by a drivetrain when the vehicle has constant non-zero speed and the torque transmitted by the drivetrain when the vehicle is accelerating is disclosed. The torque difference is used to compute a vehicle mass that is used to adjust a collision warning distance.

Description

technical field [0001] The present disclosure relates to a system and method for controlling a vehicle based on an estimate of vehicle mass. Background technique [0002] Some vehicle control systems can benefit from an accurate estimate of vehicle mass. Vehicle mass can vary based on cargo and passenger quantity. Vehicle mass may be affected by a trailer attached to the vehicle. Vehicle mass estimation may be particularly useful for cargo vehicles such as trucks and vans. Vehicle mass estimation is also useful for passenger cars where the number of passengers may vary during a trip. Better control can be achieved when the mass of the vehicle is known. For example, systems such as the powertrain and braking system can provide more precise control when the mass of the vehicle is precisely known. As a result, security and performance can be improved. [0003] Vehicle mass can significantly affect vehicle braking distance. For a given applied braking force, the braking d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W40/13
CPCB60W2050/0088B60W2530/10B60W2520/30Y02T10/56B60W40/13B60W10/06B60W30/09B60W2550/308B60W50/14B60W2510/0657B60W10/11B60W30/08B60W2510/1025B60W2520/10B60W2520/105B60W2400/00B60W2420/22B60W2554/801
Inventor 藤井雄二尼姆罗德·卡帕斯约瑟夫·F·库哈尔斯基黛安娜·雅娜奇维夫埃里克·鸿泰·曾陆建波格雷戈里·迈克尔·皮尔准恩
Owner FORD GLOBAL TECH LLC