EP3386829A1 - Système et procédé d'évaluation de maniabilité de véhicule - Google Patents

Système et procédé d'évaluation de maniabilité de véhicule

Info

Publication number
EP3386829A1
EP3386829A1 EP16828806.6A EP16828806A EP3386829A1 EP 3386829 A1 EP3386829 A1 EP 3386829A1 EP 16828806 A EP16828806 A EP 16828806A EP 3386829 A1 EP3386829 A1 EP 3386829A1
Authority
EP
European Patent Office
Prior art keywords
sensor
data
vehicle
determining
acceleration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16828806.6A
Other languages
German (de)
English (en)
Inventor
Sinan EMIROGLU
Rasim Bozkurt
Murat ERGUL
Arda KAHRAMAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tofas Turk Otomobil Fabrikasi AS
Original Assignee
Tofas Turk Otomobil Fabrikasi AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tofas Turk Otomobil Fabrikasi AS filed Critical Tofas Turk Otomobil Fabrikasi AS
Publication of EP3386829A1 publication Critical patent/EP3386829A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B60W40/09—Driving style or behaviour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W2050/0001—Details of the control system
    • B60W2050/0019—Control system elements or transfer functions
    • B60W2050/0027—Minimum/maximum value selectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W2050/0001—Details of the control system
    • B60W2050/0043—Signal treatments, identification of variables or parameters, parameter estimation or state estimation
    • B60W2050/005—Sampling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W2050/0001—Details of the control system
    • B60W2050/0043—Signal treatments, identification of variables or parameters, parameter estimation or state estimation
    • B60W2050/0052—Filtering, filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0638—Engine speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • B60W2520/105—Longitudinal acceleration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/10—Accelerator pedal position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/14—Clutch pedal position
    • B60W2550/402—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles

Definitions

  • the present invention relates to a vehicle drivability evaluation system and method (1), which enables to measure and record the vehicle's drivability values.
  • Vehicle drivability tests depend on the subjective evaluations made by the drivers after many tests conducted by the drivers. There are open-ended points in subjective evaluation such as the facts that there are different points of view about what falls within the acceptance criteria, objective comparison of different driver evaluations is impossible, and verbal description of what the problem is and the expected behavior of the vehicle is difficult.
  • German patent document no. DE102013016488 an application in the state of the art, discloses a driver assistance system which is developed for motor vehicles and which allows collecting driving data. It is disclosed that an acceleration sensor which enables to obtain vehicle maneuver values and a GPS sensor used for determining the vehicle position are provided and vehicle departure data are collected in the said system. Furthermore, a data module wherein the obtained data are collected is disclosed.
  • United States patent document no. US6598467 an application in the state of the art, describes an invention developed for analyzing operation performances of the motor vehicles, and discloses use of a course sensor for measuring the position of the gas pedal and an acceleration sensor for measuring vehicle performance.
  • United States patent document no. US6301957B discloses a system which is developed for collecting engine operation data in internal combustion engines. It is disclosed that the fiber-optic pressure sensor employed in the said system is used for collecting the values of the revolution of the crank shaft.
  • Chinese Utility Model no. CN201876922U an application known in the state of the art, discloses a GPS speed sensor used for collecting vehicle speed data. The data obtained from the said system by the GPS speed sensor are recorded by a monitoring system.
  • United States Patent document no. US20040236473A1 an application known in the state of the art, discloses a data collection and measurement system developed for driving evaluation and vehicle performance.
  • the sensor systems provided in the said system are used for evaluating vehicle drivability performance and driver's performance.
  • the objective of the present invention is to provide a vehicle drivability evaluation system and method, which will enable objective evaluation in the drivability tests conducted in the vehicle/product development stage.
  • Another objective of the present invention is to provide a vehicle drivability evaluation system and method useful for providing a more effective vehicle driving.
  • Figure 1. is a schematic view of the vehicle drivability evaluation system.
  • Figure 2. is a flowchart of the vehicle drivability evaluation system.
  • the vehicle drivability evaluation system and method (1) which enables to measure and evaluate the vehicle's drivability values, basically comprises
  • At least one acceleration sensor (2) which enables to collect data of the acceleration occurring at departure, gear shifting or drifting maneuvers
  • at least one GPS speed sensor (3) which enables to record the data of the vehicle speed at gear shifting and departure maneuvers
  • at least one position sensor (4) which enables to collect the data of the pressure applied by the driver to the gas pedal or the clutch pedal at departure and gear shifting maneuvers
  • At least one fiber-optic sensor (5) which, upon being connected to the engine crank, enables to collect vehicle engine rpm (engine speed) data
  • At least one recording module (6) which is adapted to collect and record the data received from the acceleration sensor (2), GPS speed sensor (3), position sensor (4) and fiber-optic sensor (5),
  • At least one electronic control unit (7) which is adapted to draw an evaluation conclusion by using the information in the recording module (6).
  • an acceleration sensor (2) which enables to collect data of the vehicle longitudinal acceleration at departure, shift gearing and rifting maneuvers
  • a GPS speed sensor (3) which enables to record the data of the vehicle speed at gear shifting and departure maneuvers
  • a position sensor (4) which enables to collect data of the pressure amount applied by the driver to the gas pedal or the clutch pedal at departure and gear shifting maneuvers
  • a fiber-optic sensor (5) which, upon being connected to the engine crank, enables to collect the vehicle engine rpm data.
  • a recording module (6) which is adapted to collect and record the data received from the acceleration sensor (2), GPS speed sensor (3), position sensor (4) and fiber-optic sensor (5).
  • an electronic control unit (7) which is adapted to control the acceleration sensor (2), GPS speed sensor (3), position sensor (4), fiber-optic sensor (5) and the module (6); is used.
  • the longitudinal acceleration sensor (2) enables to collect vehicle longitudinal acceleration data at departure, gear shifting and drifting maneuvers. Measuring the longitudinal acceleration occurring in the vehicle depending on the torque transferred from the engine during departure enables to obtain departure maneuver data. Furthermore, longitudinal acceleration signal is required for evaluation of the effect of the engine on the vehicle during gear shifting and at drifting maneuver of the vehicle with minimum engine torque. This physical acceleration directly affects the vehicle driving comfort. Therefore, the acceleration sensor (2) is positioned to a point near the vehicle's center of gravity for the measurement to be carried out.
  • the vehicle GPS speed sensor (3) enables to record the data of the vehicle speed at departure and gear shifting maneuvers. It enables to obtain information about the time the vehicle starts to move, especially the state of the clutch during departure. Furthermore, particularly the gear the vehicle is tested at the gear shifting maneuver is detected. A calculation channel is provided in the data collection software by using the engine rpm and vehicle speed for detection of the gear value.
  • the gas pedal/clutch pedal position measurement sensor (4) enables to collect the data regarding the amount of pressure applied by the driver on the gas pedal at departure and gear shifting maneuvers. The amount and speed of the pressure applied on the gas pedal/clutch pedal are used for obtaining information about the type of use of the vehicle.
  • the position measurement sensor (4) enables to determine whether the vehicle is used in a normal, university or comfortable manner.
  • the fiber-optic sensor (5) is connected to the engine crank and enables to collect vehicle engine rpm data. This way, the effects caused by the driver on the vehicle at departure maneuver, gear shifting maneuver and in movement maneuvers with minimum engine torque are enabled to be determined. Depending on the engine torque map, the torque generated by the engine changes at every revolution. Prior to departure, the engine should generate sufficient torque for the driver to start the vehicle properly, and for this, the driver should raise the engine rpm to a sufficient value. Measurement of the engine rpm is one of the parameters required for classifying the departure as Georgia or normal.
  • vehicle preparation determining reliable drivers, determining ideal driver profile, data collection activities, determining evaluation criteria and physical data and the subjective SAE evaluations are carried out for the departure maneuver.
  • Determining reliable drivers is conducting statistical studies in order to examine the influence of the driver individuals and the test dates on the driver evaluations. In determining reliable drivers, individuals exhibiting different behaviors based on the group are eliminated.
  • Ideal driver profile is formed with the purpose of standardizing the input effects in order to eliminate the different reactions that will occur due to the difference of the effects of the driver on the vehicle. At departure maneuver of the drivers; Gas pedal usage percentage (%), Clutch release time (seconds), Departure rpm, and at Gear shifting maneuver, Gas pedal usage percentage (%), Clutch release time (seconds), Gear shifting revolution (rpm) values are recorded and stored in the electronic control unit (7). Ideal driver profile is formed by using the said values.
  • Departure maneuver In order to carry out the vehicle preparation related to departure maneuver, several sub-criteria are evaluated and these are pumping, closing, stopping tendency and the first acceleration feeling. The departure maneuver is evaluated and graded by expert drivers. Furthermore, the obtained data are compared in the electronic control unit
  • Pumping movement can be defined as the shaking movements observed/experienced at the movement direction of the vehicle as of the moment when clutching occurs during departure maneuver.
  • Data obtained from the longitudinal acceleration sensor (2) are used for evaluation of this movement.
  • the data received from the acceleration sensor (2) by the help of the recording module (6) are processed by the electronic control unit (7).
  • the graphic formed by the obtained data the peak points occurring at the moment of clutching during departure and following the first drop of the acceleration values are counted; and thus SAE score of the pumping movement is obtained.
  • An XY distribution graphic is formed between the evaluation criteria derived from the data collected from the vehicle and the driver objective evaluations; and the correlation between the SAE scores and the evaluation criteria according to the formed meaningful groups is disclosed.
  • Closing movement can be defined as the sudden drop observed/felt in the engine rpm of the vehicle after the moment when clutching occurs during departure maneuver.
  • Engine rpm data obtained from the fiber-optic sensor (5) are used for evaluation of this movement.
  • the data received from the fiber-optic sensor (5) by the help of the recording module (6) are processed by the electronic control unit (7).
  • An XY distribution graphic is formed between the data collected from the vehicle and the driver subjective evaluations; and the correlation between the SAE scores and the evaluation criteria according to the formed meaningful groups is disclosed.
  • Stopping tendency can be defined as the rpm decrease observed/felt when the engine rpm drops below or approaches to idling speed.
  • Engine rpm data obtained from the fiber-optic sensor (5) are used for evaluation of this movement.
  • an XY distribution graphic is formed between the data collected from the vehicle and the driver subjective evaluations; and the correlation between the SAE scores and the evaluation criteria according to the formed meaningful groups is disclosed.
  • Acceleration movement can be defined as the mettle observed/felt from the starting moment of the departure motion until the first drop point of the acceleration in the direction of the vehicle's movement.
  • Data obtained from the GPS speed sensor (3) are used for evaluation of this movement.
  • the speed data here is obtained at the moment when acceleration first drops after clutching.
  • an XY distribution graphic is formed between the data collected from the vehicle and the driver subjective evaluations; and the correlation between the SAE scores and the evaluation criteria according to the formed meaningful groups is disclosed.
  • SAE evaluation and score calculation Curve equations are calculated by combining the data collected by the recording module (6) and the drivers' physical evaluation data.
  • SAE score calculation sub-criteria scores are defined as independent variables, and in order to determine the Global score equation which is the dependent variable, linear regression analysis is conducted. Linear regression analysis is conducted according to three different independent variable groups.
  • a- SAE score of the pumping data are determined by calculating the data obtained by the electronic control unit (7) in line with the table given in Figure 2 b- if the answer for line "a" is yes, subjecting the parameters to a scoring determined according to special criteria c- if the answer for line "a” is no, applying to the model computed according to the statistical method d- determining pumping SAE score in line with Figure 2 e- if physical data which comply with the rules specifically defined for the closing, stopping tendency and acceleration feeling are produced, it is assigned to the related score f- if the answer for line "e” is yes, subjecting the parameters to a scoring determined according to special criteria g- if the answer for line "e” is no, applying to the model computed according to the statistical method h- Obtaining the raw SAE score for closing, stopping tendency and acceleration feeling i- Determining the final pumping SAE score according to the bandwidth or by rounding to integers j- Calculating departure
  • the vehicle drivability evaluation system and method (1) provides the opportunity of objective evaluation in the drivability tests conducted in the vehicle/product development stage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Control Of Transmission Device (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

La présente invention concerne un système et un procédé d'évaluation de maniabilité de véhicule (1), qui permettent une évaluation objective d'essais de maniabilité réalisés dans l'étape de développement de véhicule/produit, et qui sont fondamentalement caractérisés par au moins un capteur d'accélération (2) qui permet de collecter des données de l'accélération se produisant lors de manœuvres de démarrage, de changement de vitesse ou de déviation ; au moins un capteur de vitesse GPS (3) qui permet d'enregistrer les données de la vitesse du véhicule lors de manœuvres de changement de vitesse ou de démarrage ; au moins un capteur de position (4) qui permet de collecter les données de la pression appliquée par le conducteur sur la pédale d'accélérateur ou la pédale d'embrayage lors de manœuvres de démarrage ou de changement de vitesse ; au moins un capteur à fibre optique (5), qui, lorsqu'il est connecté à la manivelle de moteur, permet de collecter des données de rpm (régime moteur) de moteur de véhicule ; au moins un module d'enregistrement (6) qui est adapté à collecter et enregistrer les données reçues du capteur d'accélération (2), un capteur de vitesse GPS (3), un capteur de position (4) et un capteur à fibre optique (5) ; au moins une unité de commande électronique (7) qui est adaptée à tirer une conclusion d'évaluation au moyen des informations contenues dans le module d'enregistrement (6).
EP16828806.6A 2015-12-10 2016-12-01 Système et procédé d'évaluation de maniabilité de véhicule Withdrawn EP3386829A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2015/15862A TR201515862A2 (tr) 2015-12-10 2015-12-10 Bi̇r araç sürülebi̇li̇rli̇k değerlendi̇rme si̇stemi̇ ve yöntemi̇
PCT/TR2016/050475 WO2017099689A1 (fr) 2015-12-10 2016-12-01 Système et procédé d'évaluation de maniabilité de véhicule

Publications (1)

Publication Number Publication Date
EP3386829A1 true EP3386829A1 (fr) 2018-10-17

Family

ID=57838458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16828806.6A Withdrawn EP3386829A1 (fr) 2015-12-10 2016-12-01 Système et procédé d'évaluation de maniabilité de véhicule

Country Status (3)

Country Link
EP (1) EP3386829A1 (fr)
TR (1) TR201515862A2 (fr)
WO (1) WO2017099689A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111951430B (zh) * 2019-04-30 2022-04-29 广州汽车集团股份有限公司 一种车辆驾驶性评价方法及其系统
CN112721949B (zh) * 2021-01-12 2022-07-12 重庆大学 一种自动驾驶车辆纵向驾驶拟人化程度评价方法
JP2022138727A (ja) * 2021-03-10 2022-09-26 トヨタ自動車株式会社 運転診断装置及び運転診断方法
CN113916547B (zh) * 2021-09-26 2023-09-12 东风汽车股份有限公司 一种汽车加速性能试验方法
DE102022108677B3 (de) 2022-04-11 2023-06-01 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren, System und Computerprogrammprodukt zur Ermittlung von objektiven Kenngrößen für die Prädiktion einer subjektiven Bewertung eines Fahrassistenzsystems und/oder einer automatisierten Fahrassistenzfunktion

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Publication number Priority date Publication date Assignee Title
JPH11173937A (ja) 1997-12-15 1999-07-02 Hitachi Ltd 車載用光ファイバ式筒内圧センサ
ATE289061T1 (de) 1999-09-13 2005-02-15 Avl List Gmbh Verfahren zur analyse des fahrverhaltens von kraftfahrzeugen
GB0108766D0 (en) 2001-04-06 2001-05-30 Ricardo Consulting Engineers 1 Driveability rating method and system
CN201876922U (zh) 2010-08-03 2011-06-22 中国铁道科学研究院运输及经济研究所 一种客运专线运行数据采集分析系统
DE102013016488B4 (de) 2013-10-02 2017-09-07 Audi Ag Kraftfahrzeug und Verfahren zur Steuerung eines Kraft-fahrzeugs

Also Published As

Publication number Publication date
WO2017099689A1 (fr) 2017-06-15
TR201515862A2 (tr) 2017-06-21

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