Methods and systems for determining a vehicle spin-out condition

A vehicle and state technology, applied in the direction of vehicle condition input parameters, vehicle components, control devices, etc., can solve problems such as invalidity

Active Publication Date: 2018-02-13
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this situation, the stability control system is inactive until the vehicle has been properly oriented

Method used

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  • Methods and systems for determining a vehicle spin-out condition
  • Methods and systems for determining a vehicle spin-out condition
  • Methods and systems for determining a vehicle spin-out condition

Examples

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Embodiment Construction

[0013] The following detailed description is merely exemplary in nature and is not intended to limit application and use. Furthermore, there is no intention to be bound by any stated or implied theory presented in the preceding technical field, background, brief summary or the following detailed description. As used herein, the term module means an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (shared, dedicated, or grouped) and memory that executes one or more software or firmware programs, combinational logic circuits, and / or or other suitable components that provide the described functionality.

[0014] Embodiments of the invention may be described herein in terms of functional and / or logical block components and various processing steps. It should be appreciated that these block components may be realized by any number of hardware, software, and / or firmware components configured to perform the specified functions. For example, embodim...

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Abstract

The invention provides methods and systems for determining vehicle spin-out conditions. The method includes conditions indicative of a vehicle spin-out ahead of the vehicle actually spinning-out. Themethods and systems receive motion parameters of a vehicle based on sensed signals from at least one vehicle sensor of an electronic power steering system and an inertial measurement unit. The methodand systems estimate pneumatic trail based on a rate of change of self-aligning torque with respect to axle lateral force. The methods and systems determine vehicle spin-out conditions based on the estimated pneumatic trail. The methods and systems control at least one feature of a vehicle in response to the determined vehicle spin-out conditions.

Description

technical field [0001] The technical field relates generally to determining at least one runaway vehicle condition, and more particularly to estimating tire trail for determining at least one runaway vehicle condition and controlling a vehicle based thereon. Background technique [0002] Dynamic control systems are increasingly used in motor vehicles to improve vehicle safety and to meet government regulations. Examples of these systems include vehicle active safety systems, like vehicle electronic stability control (ESC) systems, comprehensive safety vehicle (CSV) systems, and vehicle lane change assist systems. For those safety systems to operate effectively, precise and timely knowledge of the vehicle's dynamic situation is required. [0003] When a moving vehicle has "skid" such that the corresponding velocity vector of the vehicle points sideways, the stability control system provides little benefit to the directional control of the vehicle. In this situation, the sta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W40/10B60W30/18
CPCB60W30/18009B60W40/10B60W2720/26B60W40/114B60W40/12B60W2530/20B60W30/02B60W40/101B60W40/103B60W50/14B60W50/0097B60W2050/143B60W2050/146B60W2510/202B60W2520/10B60W2520/125B60W2520/14B60W2520/18
Inventor S·K·玛哈拜迪B·B·利特高希S-K·陈N·K·莫什查克
Owner GM GLOBAL TECH OPERATIONS LLC
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