Vehicle steady-state parameter calculation method and device based on nonlinear tire model

Vehicle steady-state parameter calculation method and device based on nonlinear tire model

The invention provides a vehicle steady-state parameter calculation method and device based on a nonlinear tire model. The method comprises the steps that the current vehicle speed and the front wheel turning angle of a vehicle are obtained; calculating a steady-state vehicle speed upper limit based...

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Hauptverfasser: TONG RUTING, MIN DELEI, WEI YINTAO, GUO PEILIN, LYU JINGCHENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
PERFORMING OPERATIONS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
TRANSPORTING
VEHICLES IN GENERAL
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creator TONG RUTING
MIN DELEI
WEI YINTAO
GUO PEILIN
LYU JINGCHENG
description The invention provides a vehicle steady-state parameter calculation method and device based on a nonlinear tire model. The method comprises the steps that the current vehicle speed and the front wheel turning angle of a vehicle are obtained; calculating a steady-state vehicle speed upper limit based on the current vehicle speed, the front wheel turning angle, the vehicle parameters and the road surface parameters; under the condition that the current vehicle speed is not higher than the steady-state vehicle speed upper limit, the steady-state yaw velocity of the vehicle is calculated based on a nonlinear tire model; wherein the steady-state vehicle speed upper limit and the steady-state yaw velocity are vehicle steady-state parameters. According to the method, accurate calculation of the steady-state vehicle speed upper limit and the steady-state yaw velocity of the vehicle is realized by fully considering the nonlinear mechanical characteristics of the vehicle tire under the limit driving working condition a
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The method comprises the steps that the current vehicle speed and the front wheel turning angle of a vehicle are obtained; calculating a steady-state vehicle speed upper limit based on the current vehicle speed, the front wheel turning angle, the vehicle parameters and the road surface parameters; under the condition that the current vehicle speed is not higher than the steady-state vehicle speed upper limit, the steady-state yaw velocity of the vehicle is calculated based on a nonlinear tire model; wherein the steady-state vehicle speed upper limit and the steady-state yaw velocity are vehicle steady-state parameters. 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subjects CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
PERFORMING OPERATIONS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
TRANSPORTING
VEHICLES IN GENERAL
title Vehicle steady-state parameter calculation method and device based on nonlinear tire model
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