Method and system for vehicle gear shifting under vehicle cruise control

A technology of vehicle system and cruise control, which is applied in the direction of control devices, vehicle components, transmission control, etc., can solve the problems of increasing vehicle fuel consumption, interfering with drivers, etc., and achieve the effect of improving vehicle driving performance

Active Publication Date: 2018-06-15
FORD GLOBAL TECH LLC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Swings in the requested torque may cause the transmission to downshift, which may increase vehicle fuel consumption and distract the driver

Method used

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  • Method and system for vehicle gear shifting under vehicle cruise control
  • Method and system for vehicle gear shifting under vehicle cruise control
  • Method and system for vehicle gear shifting under vehicle cruise control

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Embodiment Construction

[0020] The following description relates to systems and methods for improving the operation of a vehicle operating in a cruise control mode. figure 1 A non-limiting example vehicle is shown for operation in a cruise control mode in which a controller applies a non-linear model predictive cruise control algorithm with fuel optimization. figure 2 An example vehicle and electronic field of view providing input to an adaptive nonlinear model predictive cruise control algorithm is shown. image 3 and Figure 4 Non-limiting vehicle power sources within a vehicle driveline are shown. Figure 5 is a block diagram of an example vehicle cruise control system. exist Figure 6A-Figure 8 A method for operating a vehicle under cruise control (including an example variant of the adaptive nonlinear model predictive cruise control algorithm) is provided in . exist Figure 9A and Figure 9B An example vehicle power source fuel consumption model is shown in . Figure 10 is an example veh...

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Abstract

The invention relates to a method and system for vehicle gear shifting under vehicle cruise control. Methods and systems are presented for improving performance of a vehicle operating in a cruise control mode where a controller adjusts torque output from a vehicle to maintain vehicle speed within a desired range without unnecessary down shifting. The methods and systems include adapting a vehicledynamics model and a vehicle fuel consumption model that provide input to nonlinear model predictive controller.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation-in-part of US Patent Application No. 15 / 049,603, filed February 22, 2016, entitled "METHODAND SYSTEM FOR VEHICLE CRUISE CONTROL." U.S. Patent Application No. 15 / 049,603 requests the benefits of U.S. Provisional Patent Application No. 62 / 146,880, filed April 13, 2015, entitled "METHOD AND SYSTEM FOR VEHICLE CRUISE CONTROL" priority. U.S. Patent Application No. 15 / 049,603 also requests U.S. Provisional Application for Application Titled "SYSTEM AND APPROACH FOR FUELECONOMY OPTIMIZATION IN CRUISE CONTROL," filed April 15, 2015. Priority of Patent Application No. 62 / 148,095. The entire contents of the above cited applications are hereby incorporated by reference in their entirety for all purposes. technical field [0003] The present description generally relates to methods and systems for controlling transmission shifting of a vehicle operating in a cruise control mode in which a driver...

Claims

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Application Information

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IPC IPC(8): B60W30/14B60W10/10B60W40/076
CPCB60W10/10B60W30/143B60W40/076B60W2552/15B60W10/06B60W30/1882B60W2030/1809B60W2510/0638B60W2510/105B60W2520/10B60W2710/0605B60W2710/0666B60W2710/1005B60W2552/25B60W2552/20Y02T10/40B60W10/11B60W30/16B60W30/18072B60W30/188B60W50/0097F16H61/0213F16H61/16
Inventor A·M·达马托D·P·菲尔沃J·O·米歇里尼J·佩卡尔O·桑廷J·T·马伦
Owner FORD GLOBAL TECH LLC
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