WO2017069642A1 - Procédé et système pour déterminer la position d'un volant de direction dans des véhicules mécaniques - Google Patents

Procédé et système pour déterminer la position d'un volant de direction dans des véhicules mécaniques Download PDF

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Publication number
WO2017069642A1
WO2017069642A1 PCT/PL2016/000116 PL2016000116W WO2017069642A1 WO 2017069642 A1 WO2017069642 A1 WO 2017069642A1 PL 2016000116 W PL2016000116 W PL 2016000116W WO 2017069642 A1 WO2017069642 A1 WO 2017069642A1
Authority
WO
WIPO (PCT)
Prior art keywords
devices
steering wheel
sensors
vehicle
axial
Prior art date
Application number
PCT/PL2016/000116
Other languages
English (en)
Inventor
Bartlomiej BOBA
Original Assignee
Boba Bartlomiej
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 Boba Bartlomiej filed Critical Boba Bartlomiej
Publication of WO2017069642A1 publication Critical patent/WO2017069642A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D15/00—Steering not otherwise provided for
    • B62D15/02—Steering position indicators ; Steering position determination; Steering aids
    • B62D15/021—Determination of steering angle

Definitions

  • the subject of the invention is a method and a system for determining the position of a steering wheel in mechanical vehicles.
  • the invention can be used as a visual aid for determining the current position of the steering wheel in motor sports and driving schools, to enhance driving technique and for individual purposes.
  • the system is a portable device designed to be easily operated by non-qualified persons.
  • Knowing the actual position of the steering wheel makes it possible to measurably determine an angle and degree of turn while getting familiar with the route.
  • the driver uses the information recorded while getting familiar with a vehicle, based on precise data about the angle of an approaching turn and therefore can make more reliable and safer judgement of the situation.
  • the device Unlike a human being, the device always consistently determines the steering wheel position angle.
  • the device can also be used in driving technique improvement schools as a device indicating the difference between the correct and exemplary steering wheel operation by a trainer and frequently erroneous and excessive steering wheel operation by a trainee.
  • a system of monitoring the steering wheel position in mechanical vehicles, operating based on a ring-shaped bar code placed on a steering system shaft and read by an optical detector is known from the patent description EP0377097B1.
  • the optical detector transforms the bar code into an electrical signal which is then transmitted and processed in the central unit.
  • there is a necessity of interfering with the steering system by mounting a ring with the bar code directly to the steering wheel shaft and additionally the optical sensor to make it possible to read it.
  • the device for determining the steering wheel rotation angle is placed in a housing containing another system for contactless transmission of signals between the steering wheel possibly containing also a turn signal switch and steering wheel factory-assembled on a column.
  • an immovable part - a stator and a movable one - a rotor are distinguished which make it possible to exchange data contactlessly by means of an inductive or optical coupling.
  • the essence of the method consists in that one of system devices is mounted on the movable part of the steering wheel and on the immovable part of the car immovably against these parts and the devices are interconnected by wire or wirelessly.
  • Each of these devices is used to read the angular deviation of the device from plumb by means of known sensors. Then, the determined values of the angle are transmitted by signal between devices. The difference being a relative value of the angle between the devices is determined. This value is processed with an implemented program and then the result corresponding to the steering wheel position is visualised on the display.
  • the display connects to one of devices.
  • each of these devices is equipped with at least one of the mentioned sensors. It is a multi-axial acceleration sensor or a multi-axial angular speed sensor or a multi-axial tilt sensor. This sensor or these sensors are connected to a microcontroller which has a wireless or wired communication unit or is connected to an external wireless or wired communication unit.
  • One of the devices is mounted immovably to the rotating part of the vehicle steering wheel while the other device is mounted immovably against the vehicle. At least one of the devices is connected to the display.
  • the sensors are connected to the microcontroller by means of electrical circuits of a printed board.
  • each of the sensors is connected to the microcontroller by means of an electrical circuit of a printed board.
  • one of the devices is a set of sensors being a unit of equipment of a known electronic device.
  • tills device is a cellular telephone.
  • this device is a tablet.
  • both devices also when these are a dedicated device and a mobile phone, are equipped with the same set of sensors.
  • the devices execute the same algorithm in order to determine the deviation from plumb and then send information abouttheir angular deviation against the ground. Knowing our position and the position of the other device, we are capable of calculating the angle between them, that is, the steering wheel position angle against the vehicle.
  • Data visualisation is possible by means of a mobile application operating on a portable device such as a cellular telephone or a tablet.
  • the application makes it possible to display the current position of the steering wheel against the vehicle in the form of an angle value or a symbol assigned accordingly to a specific tilt range. Additionally, the application makes it possible to compare the quality of drives of particular drivers based on oscillations and the steering wheel angle tilt in course of the analysed drive.
  • the basic advantage of the solution according to the invention is that the system is a portable device designed to be easily operated by non-qualified persons.
  • Fig. 1 shows a flow diagram of the system
  • Fig. 2 presents a sketch of a dedicated device
  • Fig. 3 is a diagram of the algorithm executed by the system.
  • the system contains two wirelessly interconnected transmitting-receiving devices.
  • Each of the devices is equipped with a set of sensors (3):one which contains inside itself a multi-axial acceleration sensor (4) and a multi-axial angular speed sensor (5).
  • one of these devices is a dedicated device (1) made for this system.
  • the other device of the system is a cellular telephone (2) which is factory-equipped with a set of sensors and a microprocessor system and an (LCD) display.
  • both the microcontroller (6) and the set of sensors (3) are powered by the DC/DC direct voltage converter (9) which derives energy from the battery (8).
  • the set of sensors (3) is connected to the microcontroller (6) which has a wireless communication system (7) - Bluetooth.
  • One of the devices, the dedicated device (1) is mounted immovably to the rotating part of the steering wheel while the other device, here a cellular telephone (2), is mounted on the dashboard immovably against the vehicle.
  • the display is the cellular telephone screen.
  • the system is combined of two dedicated devices.
  • One is mounted to the steering wheel, the other to the immovable element of the car.
  • one of the devices is connected to the display of another known electronic device, for example, to a cellular telephone or a tablet.
  • the dedicated device included into the exemplary system has been designed so as to be capable of being mounted directly on the mechanical vehicle steering wheel.
  • Fig. 2 presents a sketch of the device.
  • the device consists of a printed board 2.1 providing an electrical connection between a multi-axial acceleration sensor, a multi-axial angular speed sensor, a DC/DC converter and a microcontroller with a built-in Bluetooth unit and a transmitting-receiving aerial.
  • the board is fixed on a basket of the battery providing power supply to the system.
  • the device enclosed in the housing 2.2 is equipped with the cover 2.3. In this solution, a hook-and-loop fastener is used as a fastening element.
  • Fig.3 presents an algorithm for determining the relative angle between the devices included in the system.
  • the device mounted on the steering wheel is equipped with a microcontroller and a built-in transmitting-receiving system.
  • the microcontroller receives data from sensors.
  • Both the device mounted on the steering wheel and the device mounted to the immovable element of the car execute the same algorithm.
  • Signals coming from acceleration 4; 4' and angular speed 5;5' sensors are processed by the IMU algorithm determining the angular deviation of the device from plumb.
  • the determined angle value is sent wirelessly by BLE TX to the other device.
  • the other device sends back the value determined by its own algorithm.
  • This value is received wirelessly by BLE RX and then the difference between the calculated value and the received value is determined.
  • the ⁇ difference result is a relative value of the angle between the devices.
  • This result is visualised on the (LCD) display connected to one of the devices.
  • the algorithm is executed by a program implemented in the microprocessor.

Abstract

La présente invention concerne un procédé qui consiste en ce qu'un des dispositifs (1, 2) du système est monté sur une partie mobile du volant de direction et sur une partie immobile du véhicule de façon immobile contre ces parties et ces dispositifs sont interconnectés par fil ou sans fil. Chacun de ces dispositifs est utilisés pour lire l'écart angulaire du dispositif par rapport à la verticale au moyen de capteurs connus. Les valeurs d'angle sont transmises par signal entre le dispositif et la différence est une valeur relative de l'angle entre les dispositifs et le résultat est visualisé sur un affichage. Le système contient au moins deux dispositifs d'émission-réception (1, 2) interconnectés par fil ou sans fil. Chacun est équipé d'un capteur d'accélération multi-axial (4) ou d'un capteur de vitesse angulaire multi-axial (5) ou d'un capteur d'inclinaison multi-axial. Les capteurs sont connectés à un microcontrôleur (6) qui comporte une unité de communication sans fil ou filaire ou est connecté à une unité de communication sans fil ou filaire externe. L'un des dispositifs (1) est monté de façon immobile sur la partie rotative du volant de direction du véhicule tandis que l'autre dispositif (2) est monté de façon immobile contre le véhicule. De plus, au moins un des dispositifs est connecté à l'affichage. De préférence, l'un des dispositifs est un ensemble de capteurs et une unité de microprocesseur étant une unité d'équipement d'un dispositif électronique connu, par exemple, un téléphone cellulaire (2).
PCT/PL2016/000116 2015-10-23 2016-10-20 Procédé et système pour déterminer la position d'un volant de direction dans des véhicules mécaniques WO2017069642A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PLP.414483 2015-10-23
PL414483A PL414483A1 (pl) 2015-10-23 2015-10-23 Sposób i system wyznaczania położenia kierownicy w pojazdach mechanicznych

Publications (1)

Publication Number Publication Date
WO2017069642A1 true WO2017069642A1 (fr) 2017-04-27

Family

ID=57460588

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PL2016/000116 WO2017069642A1 (fr) 2015-10-23 2016-10-20 Procédé et système pour déterminer la position d'un volant de direction dans des véhicules mécaniques

Country Status (2)

Country Link
PL (1) PL414483A1 (fr)
WO (1) WO2017069642A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377097B1 (fr) 1988-11-02 1992-01-29 Daimler-Benz Aktiengesellschaft Capteur de l'angle de direction pour un véhicule automobile
US5646523A (en) 1994-03-23 1997-07-08 Kaiser; Harry Apparatus for determining angular position of a motor vehicle steering wheel
DE19647705A1 (de) 1996-11-11 1998-05-20 Petri Ag Vorrichtung zur Ermittlung der Winkelstellung des Lenkrades in einem Kraftfahrzeug
KR20130061400A (ko) * 2011-12-01 2013-06-11 한국타이어 주식회사 스티어링 휠 각도 측정장치
WO2014166684A1 (fr) * 2013-04-11 2014-10-16 Zf Friedrichshafen Ag Dispositif de détection et procédé pour la détermination d'un angle de braquage d'un véhicule et système d'aide à la conduite pour un véhicule
WO2014166685A1 (fr) * 2013-04-11 2014-10-16 Zf Friedrichshafen Ag Dispositif d'affichage et procédé d'affichage de données et système d'aide à la conduite pour un véhicule

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377097B1 (fr) 1988-11-02 1992-01-29 Daimler-Benz Aktiengesellschaft Capteur de l'angle de direction pour un véhicule automobile
US5646523A (en) 1994-03-23 1997-07-08 Kaiser; Harry Apparatus for determining angular position of a motor vehicle steering wheel
DE19647705A1 (de) 1996-11-11 1998-05-20 Petri Ag Vorrichtung zur Ermittlung der Winkelstellung des Lenkrades in einem Kraftfahrzeug
US6236119B1 (en) 1996-11-11 2001-05-22 Petri Ag Device for determining the angular position of the steering wheel in a motor vehicle
KR20130061400A (ko) * 2011-12-01 2013-06-11 한국타이어 주식회사 스티어링 휠 각도 측정장치
WO2014166684A1 (fr) * 2013-04-11 2014-10-16 Zf Friedrichshafen Ag Dispositif de détection et procédé pour la détermination d'un angle de braquage d'un véhicule et système d'aide à la conduite pour un véhicule
WO2014166685A1 (fr) * 2013-04-11 2014-10-16 Zf Friedrichshafen Ag Dispositif d'affichage et procédé d'affichage de données et système d'aide à la conduite pour un véhicule

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