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WO2018069898A1 - Dispositif de détection de position et d'actionnement pour un guidon d'un véhicule - Google Patents

Dispositif de détection de position et d'actionnement pour un guidon d'un véhicule Download PDF

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Publication number
WO2018069898A1
WO2018069898A1 PCT/IB2017/056391 IB2017056391W WO2018069898A1 WO 2018069898 A1 WO2018069898 A1 WO 2018069898A1 IB 2017056391 W IB2017056391 W IB 2017056391W WO 2018069898 A1 WO2018069898 A1 WO 2018069898A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
handlebar
control unit
sensor
actuation sensing
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.)
Ceased
Application number
PCT/IB2017/056391
Other languages
English (en)
Inventor
Sunil KUMAR CHIPPA
Samraj JABEZ DHINAGAR
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.)
TVS Motor Co Ltd
Original Assignee
TVS Motor Co Ltd
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 TVS Motor Co Ltd filed Critical TVS Motor Co Ltd
Priority to MX2019004346A priority Critical patent/MX2019004346A/es
Priority to CN201780063282.1A priority patent/CN109843649B/zh
Publication of WO2018069898A1 publication Critical patent/WO2018069898A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
    • B62H5/02—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles for locking the steering mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B60Q1/346—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction with automatic actuation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/02—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
    • B62H5/20—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles indicating unauthorised use, e.g. acting on signalling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • B62J45/40—Sensor arrangements; Mounting thereof
    • B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
    • B62J6/05—Direction indicators
    • B62J6/055—Electrical means, e.g. lamps
    • B62J6/056—Electrical means, e.g. lamps characterised by control means
    • B62J6/057—Automatic activation, e.g. by sensors

Definitions

  • the present subject matter relates generally to a vehicle. More particularly but not exclusively the present subject matter relates to a position and actuation sensing device for a handlebar of a vehicle.
  • a security system in the vehicle which is based on Radio Frequency communication starts searching for the D keyD (which in turn is also based on Radio Frequency communication) in its field, i.e. within some specified radius of the vehicle.
  • the security system which is activated by one of the triggering mechanisms doesnDt activate the Engine control unit to enable the engine to start.
  • Vehicle security system is used for preventing theft and also helps the rider when the vehicle is in motion.
  • Vehicle anti-theft systems prevent the starting and moving of the vehicle. During riding, the rider can forget to D OND or D OFFD the turn signal lamp which can create problems.
  • Cases 1 and 2, given below discuss the various anti-theft systems and case 3 discusses the need for a sensor to ensure the security of both the vehicle and the rider, during the riding.
  • CASE 1 A vehicle security system is an important technology of the vehicle anti- theft systems. Through communication like radio frequency between the key of the vehicle and the electronic control unit (ECU) placed inside the vehicle, the system identifies the improper keys and enables a system which prevents a vehicle from starting. Thus, protects the vehicle from theft. Immobilization devices usually have both the mechanical and electronic means of preventing or resisting the movement of a vehicle.
  • ECU electronice control unit
  • a security system is a system installed on vehicle which prevents unauthorized access of the vehicle by any person other than the one having the unique electronic key which works with only the predefined vehicle.
  • the security system works in integration with the engine control unit, so, in case someone wants the start a vehicle, he has to start the engine which is controlled by the engine control unit, which in turn is controlled by security system, so for the ECU to start prior the security system has to start, now this security system can be started by several means such as a switch.
  • RKE Remote Keyless Entry
  • the starting mechanism is based on the integrated ignition cum mechanical lock present at the dashboard.
  • the user has to perform an action of inserting the ignition key in the ignition lock to unlock the ignition as well as the handlebar of the vehicle.
  • Even in the presence of an electronic lock system there is a need for the user to make some actuation deliberately to enable the security system operation.
  • CASE 2 With respect to the above-mentioned case in which, in presence of an
  • Electronic handlebar lock system in a vehicle to facilitate a user to lock the handlebar based on electronic means; there is always a need for the electronic lock mechanism to know if the position at which it actuates itself to lock or unlock the handlebar is the right one for several safety reasons. Also, the false actuation of the electronic lock mechanism under driving condition can be avoided if the position/angle of the handlebar is sensed.
  • CASE 3 Today, vehicle turn indication is done in two ways; first, by manual switching of the turn signal control switch on the handlebar/steering assembly of the vehicle. Second, by sensing the leaning angle of the vehicle while making a turn.
  • FIG. 1 shows the reference positions of a handlebar in a motorcycle type of vehicle.
  • FIG. 2 shows the location of a sensor magnet in a front fork assembly of a motorcycle type of vehicle.
  • FIG. 3 shows the location of a sensor unit fitted to the immovable/non-rotatable frame assembly of a motorcycle type of vehicle.
  • FIG. 4 shows the detailed view of a sensor and magnet placement.
  • Fig. 5 shows the proposed location of the magnet part of the sensor unit under the front fork assembly.
  • Fig. 6 shows the process diagram of the proposed solution.
  • FIG. 7 shows the flowchart indicating the sequence of control for the actuation of a handlebar lock.
  • the present subject matter matter relates to a position and actuation sensing device and method for handlebar of a vehicle.
  • the present subject matter also executes locking and unlocking mechanism of the handlebar of a two-wheeled vehicle by electronic means with assistance from the proposed handlebar angle sensor.
  • This handlebar angle sensor always monitors the position of the handlebar (either in vehicle ON state or vehicle OFF state) and communicates the same for any change caused in the position.
  • the electronic lock control unit ECU
  • a change in the position is an indication to the electronic lock control unit that a user is trying to unlock the handlebar by providing a small movement with a small margin under the locked condition.
  • the electronic lock control unit requests the vehicle security system to check for the provision of an authentic key from the user who is trying to unlock the vehicle. Upon successful authentication, the electronic lock control unit sends a message to a lock actuator unit to unlock the handlebar electronically. Otherwise, the system does not respond. But a potential theft attempt will include multiple attempts irrespective of non-authentic access. The number of attempts is being recorded by the security system and when the threshold count of attempts is attained, alerts the owner by blaring of siren.
  • the electronic lock control unit checks for several inputs from other vehicle electronics including vehicle security system, vehicle movement sense and other safety-related parameters. If the checks are satisfied, then the orientation of the handlebar is verified (Left-Hand or Right-Hand end) of its limit. The desired location of the handlebar enables the lock to engage electronically, else an audible or visual alert is provided to the user to check and align the position of the handlebar to facilitate a proper lock engage.
  • the present subject matter employs a handlebar angle sensor installed in a specified combination to the immovable and movable component of the vehicle frame and handle (or steering) for sensing the angle or position of the handlebar (or steering).
  • the said handlebar position sensor functions as a triggering mechanism for the security system of the vehicle, establishes the right position of the handlebar (left-hand side / right-hand side) to enable the locking or unlocking electronically, actuating the vehicle turn indicator through automatic detection of the user intention to change a lane or take a turn and de-actuation of vehicle turn indicator by detecting vehicleDs straight path position after a lane change and/or a turn. Further, prevention of continuous drainage of the battery due to the 24x7 working of the security system on a two-wheeler, as the security system wakes up from low power mode to running mode only on the operation of the handlebar movement. Thus, avoids unnecessary draining of the battery even when the vehicle is parked for a longer time.
  • the system facilitates the owner of the vehicle to start the vehicle without any manual operation of the vehicle other than the conventional unnoticeable action on the vehicle like the one stated above.
  • This invention is illustrated with reference to a two-wheeler, whereas the same can be applied to any vehicle platform like a scooter, motor cycle, three-wheeler, and four- wheeler.
  • a handlebar angle sensor which is usually based on Hall Effect sensor or magneto resistive sensor technology, which uses magnetic fields to conduct the measurement of information between the sensor and the physical value, i.e. angle or linear position.
  • the contactless operating principle allows the isolation of all rotating components, making the entire sensing system robust with respect to environmental influences and mechanical wear.
  • the sensor evaluates the direction of the magnetic field and not the strength of the field.
  • the magnetic field based sensors are very tolerant with respect to variations in field strength caused by aging of the magnet, its temperature sensitivity or mechanical fluctuations.
  • the proposed solution consists of a rotatable part; a rotatable magnet (301) which is diametrically magnetized is placed in proximity longitudinally to the sensor control unit (302) which is a non-rotatable part fixed to the frame of a vehicle, which is depicted in Figure 5.
  • the sensor in the vehicle is to track the position and orientation of the handlebar at repeated intervals of time to assist the handlebar electronic lock system to check if the handlebar is positioned at the right orientation to activate the lock / unlock means in the first embodiment.
  • the handlebar angle sensor for continuous tracking of the orientation of the handlebar to activate the turn signal mechanism in the vehicle during the vehicle movements including changing lanes, taking a turn and getting back to the straight path.
  • the present illustrated positions of the sensor elements can be realized in the same way with other vehicle body structures like scooter type of vehicle or an auto-rickshaw or a four-wheeled vehicle.
  • the vehicle electronics checks if the handlebar is positioned at the right required angle with respect to the reference for proper unlocking. In the case of which an actuation of the electronic lock mechanism to unlock the handlebar can occur successfully without any faults.
  • (CASE 2) In the case of performing locking of the handlebar either intentionally by the rider of a vehicle or automatically by the vehicle electronics (under pre-defined conditions), there is always a need of the handlebar to be at one of the ends of its orientation angle range for proper automatic locking.
  • the proposed sensor exactly determines the exact position of the handlebar for performing the required actions at the desired times.
  • Figure 1 illustrates the possible orientations of a vehicle (100) handlebar (101) during standstill as well as in the running conditions.
  • the maximum angle to which the handlebar can be oriented in either of the left-hand and right-hand side is denoted by 0 ⁇ 0 with the reference axis shown.
  • the sensor control unit (302) consists of a sensor IC (303) being powered by the power supply of the vehicle (100) .
  • the sensor IC (303) interfaces with other control units via any of the communication protocols like CAN, LIN, etc.
  • Figures 2 illustrates the front fork assembly (201) of a motorcycle type of vehicle
  • the orifice provided in the supporting frame (300) provides protection to the rotatable magnet (301) from external factors like direct impact due to dirt, water, air.
  • FIG 3 illustrates the rotation of the handlebar (101) and the movement of the handlebar (101) is continuously monitored for any change of angle or position of the handlebar
  • FIG. 101 which is sensed by the sensor control unit (302).
  • the rotatable magnet(301) rotates when the there is any movement in the handlebar(lOl) which is ,in turn, sensed by the sensor IC (303) mounted on the sensor control unit (302).
  • the rotation of handlebar (101) is along the head tube (202) axis.
  • Figure 4 illustrates the main frame (206) of a motorcycle type of the vehicle
  • the sensor control unit (302) is an integrated sensor unit with signal conditioning electronics and sensor IC (303) which takes care of the sensing and thereby the signal conditioning of the sensed signal to further communicate with the electronic lock control unit through a data communication line.
  • the sensor control unit (302) is mounted on a mounting plate (309) fastened on the main frame (206) of the vehicle (100) through holes (308) provided on the mounting plate (309).
  • the mounting plate (309) allows reducing the gap between the sensor control unit (302) and rotatable magnet (301) for improved results.
  • Fig. 5 illustrates the handlebar angle sensor (500).
  • (500) comprises two parts.
  • One part is a fixed part which comprises a sensor control unit (302) mounted on the mounting plate (309) where the mounting plate (309) is fastened on the main frame (206) of the vehicle (100).
  • the second part is a moving part where the rotatable magnet
  • (301) is aligned longitudinally, along the same axis of rotation as that of sensor control unit
  • the sensor control unit (302) is provided with a sensor IC (303) to sense any change of angle or position of the handlebar (101). Sensor control unit (302) is kept at close proximity with the rotatable magnet (301). The distance between the sensor control unit (302) and rotatable magnet (301) is in the range 1mm to 2mm.
  • the sensor control unit (302) is stationary with respect to rotatable magnet (301).
  • the sensor control unit (302) is fixed onto the fixed/non- moving part of the vehicle (100) and the rotatable magnet (301) is mounted on moving part of the vehicle (100).
  • the power supply unit (304) which is a battery, supplies power to all vehicle electronics of which handlebar angle sensor (500) where rotatable magnet (301) is a moving part and sensor control unit (302) is fixed part, an electronic lock control unit (305) are the parts for consideration in this proposal.
  • the electronic lock control unit (305) takes a decision whether it is the right time to lock / unlock the handlebar by electronic means using a mechanism of lock actuation (306).
  • Step SI involves handle bar position sensing where the sensor control unit (302) always monitors the position of the handlebar (101) (either in vehicle ON condition or vehicle OFF condition) and tries to communicate the same to the electronic lock control unit (305) in the case of any change in the same.
  • the electronic lock control unit (305) Once the position/ change in position of the handlebar are available to the electronic lock control unit (305); electronic lock control unit (305), in step S2, checks if the vehicle is actually in the locked or un-locked state.
  • step S3 under condition of locked state, electronic lock control unit (305) checks if the change in angle position is considerable with respect to predetermined data and predetermined angle stored in the controller; under which it is an indication to the control unit that user is trying to unlock the handlebar by giving a small movement with a small margin which every vehicle has under locked condition.
  • the electronic lock control unit (305) requests the vehicle security system to check if the user trying to unlock the vehicle has an authentic key with him/her in step S4. In case authentication is successful or unsuccessful depending on the key and vehicle security system decides the authentication in step S5.
  • step S6 the control unit sends a message to lock actuator unit to unlock the handlebar electronically if the authentication is successful. Otherwise the system doesnDt respond in step S7. But a potential theft attempt can include multiple attempts irrespective of non-authentic access, which the security system keeps a record of and alerts with a siren upon reaching a threshold count of attempts.
  • step S2 Under condition of unlocked state of handlebar (101) in step S2, electronic lock control unit (305) checks for several inputs in step S8 from other vehicle electronics including vehicle security system, vehicle movement sense and other safety related parameters upon satisfaction of all of them, checks if the orientation of the handlebar is actually either at Left-Hand or Right- Hand end in step S10 of its limit. Also, it is checked whether the vehicle is in standstill condition in step S9. In case, it is at the desired location, sends a message to lock the handlebar (101) through lock actuation in step Sll to engage the lock electronically, otherwise alerts the user to check the position of handlebar (101) and align accordingly for a proper lock engage by audible or visual means in step S12.
  • step S9 the electronic lock control unit (305) senses the intention of the user while driving and checks for the position of the handlebar (101) and if not shifted from the reference axis then there is response otherwise if there is shift in the position of the handlebar (101) and the direction of shift is right then electronic lock control unit (305) will look for the time elapsed and if the time elapsed is greater than predetermined time then right turn indicator actuates. Similarly, if there is shift of handlebar (101) in left hand side for a time period greater than predetermined time then the left turn indicator gets actuated.
  • turn off indicator actuates .
  • the user has predetermined number of attempts to unlock the vehicle (100) in S8 otherwise siren goes off to alert the owner by audible or visual means.
  • owner authentication step accepting key for said authentication process is in the range lm to 1.2m. The vehicle will switch off ignition if it remains in standstill condition for predetermined period of time.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

La présente invention concerne un dispositif de détection de position et d'actionnement pour un guidon (101) d'un véhicule (100). Un capteur d'angle de guidon (500) comprend une unité de commande de capteur (302) et un aimant rotatif (301).Le capteur d'angle de guidon (500) détecte le changement de position du guidon (101) et déclenche le système de sécurité du véhicule, établit la position correcte du guidon (côté gauche/côté droit) pour permettre le verrouillage ou le déverrouillage par voie électronique, l'actionnement de l'indicateur de virage de véhicule par détection automatique de l'intention de l'utilisateur à changer de voie ou prendre un virage et la désactivation de l'indicateur de virage de véhicule par la détection d'une position de trajectoire droite de véhicule après un changement de voie et/ou un virage.
PCT/IB2017/056391 2016-10-14 2017-10-16 Dispositif de détection de position et d'actionnement pour un guidon d'un véhicule Ceased WO2018069898A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MX2019004346A MX2019004346A (es) 2016-10-14 2017-10-16 Dispositivo detector de posicion y activacion para el manillar de un vehiculo.
CN201780063282.1A CN109843649B (zh) 2016-10-14 2017-10-16 用于车辆的车把的位置和致动感测设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201641035162 2016-10-14
IN201641035162 2016-10-14

Publications (1)

Publication Number Publication Date
WO2018069898A1 true WO2018069898A1 (fr) 2018-04-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2017/056391 Ceased WO2018069898A1 (fr) 2016-10-14 2017-10-16 Dispositif de détection de position et d'actionnement pour un guidon d'un véhicule

Country Status (3)

Country Link
CN (1) CN109843649B (fr)
MX (1) MX2019004346A (fr)
WO (1) WO2018069898A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111976825A (zh) * 2019-05-22 2020-11-24 苏州蓝石新动力有限公司 一种车辆方向回正判断方法及装置

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WO2008012836A2 (fr) * 2006-07-24 2008-01-31 Bajaj Auto Limited Système de suppression automatique de témoins de clignotants
US20100229611A1 (en) * 2006-12-25 2010-09-16 Honda Motor Co., Ltd. Motorcycle handlebar lock system
KR20110006498A (ko) * 2009-07-14 2011-01-20 이철균 자전거 방향 전환 표시등 제어 장치 및 방법

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FR2913930B1 (fr) * 2007-03-20 2009-05-29 Jean-Pierre Cado "systeme et procede d'actionnement d'un indicateur de changement de direction"
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CN201737102U (zh) * 2010-07-28 2011-02-09 捷奥比电动车有限公司 一种电动车
EP2674351B1 (fr) * 2012-06-12 2018-08-08 Rapid Technic AG Machine de travail autotractée avec au moins un essieu
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Publication number Priority date Publication date Assignee Title
WO2008012836A2 (fr) * 2006-07-24 2008-01-31 Bajaj Auto Limited Système de suppression automatique de témoins de clignotants
US20100229611A1 (en) * 2006-12-25 2010-09-16 Honda Motor Co., Ltd. Motorcycle handlebar lock system
KR20110006498A (ko) * 2009-07-14 2011-01-20 이철균 자전거 방향 전환 표시등 제어 장치 및 방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111976825A (zh) * 2019-05-22 2020-11-24 苏州蓝石新动力有限公司 一种车辆方向回正判断方法及装置

Also Published As

Publication number Publication date
CN109843649B (zh) 2023-04-18
CN109843649A (zh) 2019-06-04
MX2019004346A (es) 2019-09-19

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