WO2023153267A1 - 乗員状態検知装置及びコンピュータプログラム - Google Patents
乗員状態検知装置及びコンピュータプログラム Download PDFInfo
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- WO2023153267A1 WO2023153267A1 PCT/JP2023/002971 JP2023002971W WO2023153267A1 WO 2023153267 A1 WO2023153267 A1 WO 2023153267A1 JP 2023002971 W JP2023002971 W JP 2023002971W WO 2023153267 A1 WO2023153267 A1 WO 2023153267A1
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- Prior art keywords
- grip
- determination unit
- steering wheel
- touch pad
- operation determination
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000004590 computer program Methods 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 11
- 238000005259 measurement Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/027—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems between relatively movable parts of the vehicle, e.g. between steering wheel and column
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/08—Spokes, e.g. resilient
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
Definitions
- the present invention relates to an occupant state detection device and a computer program.
- a steering wheel equipped with a touch pad has been widely used as an HMI (Human Machine Interface) for the display unit provided on the instrument panel or center console of a vehicle.
- HMI Human Machine Interface
- Japanese Patent Laid-Open No. 2002-200002 discloses a method for determining an operation direction based on a start point area and an end point area where a tracing operation is detected, among a plurality of areas defined on an operation surface provided on a steering wheel.
- a steering wheel is disclosed which is configured to determine the direction of operation by adjusting the plurality of regions according to the gripping position of the ring portion.
- many steering wheels are provided with a gripping sensor that monitors the gripping state in addition to the above-described touchpad.
- the driver may operate the touch pad with their fingertips while gripping the rim.
- the grip sensor provided on the rim portion and the touch pad operate simultaneously.
- the electrodes of the grip sensor and the touch pad are connected via the driver's hand. It may not work.
- Patent Document 1 The steering wheel of Patent Document 1 is also provided with both a touch pad and a grip sensor, but Patent Document 1 does not devise such a problem and cannot solve it.
- An object of the present invention is to provide an occupant state detection device and a computer program capable of preventing such an operation from becoming impossible.
- An occupant state detection device includes a steering wheel having a touch pad that can be operated using capacitance and a grip sensor that detects whether a driver is gripping a rim portion, and if the touch pad is operated. and a gripping determination unit configured to determine whether the rim portion of the steering wheel is being gripped.
- the grip determination unit performs the grip determination according to the result of the operation determination. For example, when the operation determination unit determines that the touch pad is being operated, the grip determination unit does not perform the grip determination in preparation for interference between the operation determination and the grip determination.
- a computer program causes a computer to determine whether or not a touch pad that can be operated using a capacitance provided on a steering wheel is being operated, and the rim portion of the steering wheel is gripped. A process of determining whether or not there is a grip is executed.
- the grip determination is performed according to the result of the operation determination. For example, when it is determined that the touch pad is being operated, the grip determination is not performed in preparation for interference between the operation determination and the grip determination.
- an occupant state detection device having both a touchpad and a gripping sensor, it is possible to prevent normal operation from becoming impossible when the gripping sensor and the touchpad are operated at the same time.
- FIG. 1 is a block diagram showing a configuration example of a steering wheel device according to an embodiment
- FIG. 1 is a front view of a steering wheel of a steering wheel device according to this embodiment
- FIG. 4 is an exemplary diagram showing an example of operating a touch pad in the steering wheel device of the present embodiment
- 5 is a flowchart for explaining the processing of operation determination and gripping determination in the steering wheel device of the present embodiment.
- FIG. 1 is a block diagram showing a configuration example of a steering wheel device 100 according to this embodiment.
- a steering wheel device 100 (passenger state detection device) includes a steering wheel 2, a control device 1, and the like.
- the control device 1 is communicatively connected to various ECUs such as a driving support ECU that executes processing related to an advanced driving support system, for example, via an in-vehicle network provided in the vehicle.
- the steering wheel 2 includes a grip sensor 21 and a touch pad 20.
- the grip sensor 21 and the touch pad 20 detect capacitance coupled to electrodes provided on the steering wheel 2, for example.
- the control device 1 is provided in the steering wheel 2 , for example, and includes a grip determination section 11 , an operation determination section 12 and a communication section 13 .
- the grip determination unit 11 acquires a capacitance value detected by the grip sensor 21, and determines whether the steering wheel 2 is in a gripped state or in a non-gripped state based on the detected value.
- the gripping state is a state in which the driver grips the steering wheel 2
- the non-gripping state is a state in which the driver does not grip the steering wheel 2 and does not hold it.
- the grip determination unit 11 includes an arithmetic processing unit (not shown) such as a CPU (Central Processing Unit) or MPU (Micro Processing Unit). Further, as described above, the grip determination unit 11 determines whether the steering wheel 2 is in the gripped state or the non-gripped state based on the capacitance detected by the grip sensor 21 (hereinafter referred to as (referred to as grip judgment). Further, as will be described later, the grip determination unit 11 also performs the grip determination according to whether or not the driver is operating the touch pad 20 . A result of the gripping determination by the gripping determination unit 11 is transmitted to the driving support ECU or the like via the communication unit 13 .
- an arithmetic processing unit such as a CPU (Central Processing Unit) or MPU (Micro Processing Unit). Further, as described above, the grip determination unit 11 determines whether the steering wheel 2 is in the gripped state or the non-gripped state based on the capacitance detected by the grip sensor 21 (hereinafter referred to as (referred to as grip judgment). Further,
- the grip determination unit 11 includes a capacitance measurement circuit (not shown).
- the capacitance measurement circuit is an electric circuit for measuring a detected capacitance value.
- the capacitance measurement circuit processes the electric signal acquired from the gripping sensor 21 and calculates the detected value of the capacitance.
- the grip determination unit 11 performs the grip determination using the calculated detected value of the capacitance.
- the grip determination unit 11 has a storage unit 111 .
- the storage unit 111 includes memory elements such as RAM (Random Access Memory) and ROM (Read Only Memory), and stores programs, data, etc. necessary for the grip determination unit 11 to execute processing.
- the storage unit 111 temporarily stores data and the like necessary for the grip determination unit 11 to perform processing.
- the storage unit 111 stores a threshold value of the capacitance that is used when the gripping determination unit 11 performs the gripping determination.
- the communication unit 13 is a communication interface for transmitting and receiving data to and from other in-vehicle devices such as various ECUs via an in-vehicle network.
- the communication unit 13 is connected to a communication line (LAN) provided inside the vehicle, and transmits and receives information to and from other ECUs and the like.
- LAN communication line
- the communication unit 13 transmits the gripping determination result of the gripping determination unit 11 to the driving support ECU or the like.
- the operation determination unit 12 determines a UI displayed on a display unit provided on a HUD (Head Up Display), an instrument panel, or a center console based on the capacitance value sent from the touch pad 20. Generate operation instructions for operating (User Interface). Such operation instructions are transmitted via the communication unit 13 to the ECU associated with the HUD, instrument panel, or center console.
- HUD Head Up Display
- instrument panel or center console
- the operation determination unit 12 has a storage unit 121 .
- the storage unit 121 is similar to the storage unit 111, and detailed description thereof will be omitted.
- the storage unit 121 also stores a capacitance threshold value used when determining whether the touch pad 20 is being operated (hereinafter referred to as operation determination).
- the operation determination unit 12 performs the operation determination by comparing the capacitance value sent from the touch pad 20 with the threshold value stored in the storage unit 121 . Further, when the operation determination unit 12 determines that the touch pad 20 is being operated as a result of the operation determination, the operation determination unit 12 transmits a first operation determination signal to the grip determination unit 11 and determines that the touch pad 20 is not being operated. When determined, a second manipulation determination signal is transmitted to the grip determination unit 11 .
- FIG. 2 is a front view of the steering wheel 2 of the steering wheel device 100 according to this embodiment.
- the grip sensor 21 detects a change in capacitance caused by contact between the driver's hand and the steering wheel 2 (hereinafter referred to as capacitance detection). Such capacitance detection is performed depending on whether the touch pad 20 is being operated by the driver. That is, the gripping sensor 21 performs capacitance detection depending on whether the operation determination unit 12 is issuing the first operation determination signal or the second operation determination signal.
- the gripping sensor 21 has a plurality of electrodes 2a provided inside the rim portion 10, which will be described later.
- the electrodes 2a are respectively embedded in the three portions divided in the circumferential direction.
- the number of electrodes 2a is not limited to three, and may be two or less or four or more.
- the electrodes 2a are connected to, for example, a C/V conversion circuit (not shown) related to the gripping sensor 21.
- the C/V conversion circuit applies, for example, an AC voltage having a predetermined amplitude to the electrode 2a, and outputs an AC voltage corresponding to the magnitude of the capacitance coupled to the electrode 2a.
- the capacitance measurement circuit detects the capacitance coupled to the electrode 2a by detecting the output voltage.
- the electrode 2a When the steering wheel 2 is not gripped, the electrode 2a is electrically capacitively coupled to GND (ground) of the vehicle body or the like via the air in the vehicle compartment.
- GND ground
- the electrode 2a When the steering wheel 2 is held, that is, when the driver's hand is in contact with the rim portion 10, the electrode 2a is capacitively coupled with the driver's body by approaching the driver's hand.
- the electrode 2a is capacitively coupled with GND, the capacitance is very small because of the capacitive coupling with the ground plane.
- the capacitance due to the coupling between the driver's body and the electrode 2a is larger than the capacitance due to the coupling between GND and the electrode 2a.
- the touch pad 20 is a known device in which, for example, a plurality of drive electrodes and a plurality of detection electrodes are arranged to intersect each other while maintaining insulation on the back side of the operation surface 201 (see FIG. 2). .
- the touch pad 20 detects capacitance that changes when the driver's fingertip touches the operation surface 201 .
- a coordinate system is set on the operation surface 201, and operations such as touch, tap, and drag using the fingertips of the driver are accepted.
- the touch pad 20 scans all combinations of the drive electrodes and detection electrodes to detect the capacitance of each combination. Then, the touch pad 20 calculates the coordinates of the position related to the operation based on the threshold value of the storage unit 121 . The touch pad 20 periodically outputs detected coordinates representing the calculated coordinates to the operation determination unit 12 . Based on the detected coordinates, the operation determination unit 12 generates an operation instruction for moving the cursor of the UI of the display unit, an operation instruction for selecting any selection key, and the like.
- the touch pad 20 may be a mutual-capacitance touch pad, or may be configured as a self-capacitance touch pad.
- the capacitance decreases compared to the case of capacitive coupling to GND.
- the self-capacitance method when the driver's fingertip touches the operation surface 201, the capacitance increases.
- the touch pad 20 is of the mutual capacitance type will be described below as an example.
- the steering wheel 2 includes a ring-shaped rim portion 10 and a hub portion 4 arranged on the center side of the rim portion 10 and having an airbag (not shown) installed therein. Also, the hub portion 4 is connected to the rim portion 10 by three spoke portions 3 .
- the rim portion 10 is covered with a skin material such as leather, and the hub portion 4 and the spoke portions 3 are covered with, for example, a resin member. As described above, three electrodes 2a are provided inside the rim portion 10 along the circumferential direction of the rim portion 10 .
- the rim portion 10 may be non-circular (eg, D-shaped, C-shaped).
- the resin member of the spoke 3 in the 9 o'clock direction has an operation panel 22 having a plurality of operation buttons so that the driver can operate an in-vehicle device such as an audio system while driving. is provided.
- a touch pad 20 is provided on the operation panel 22 provided on the spoke portion 3 in the 3 o'clock direction.
- the touch pad 20 has a substantially rectangular and flat operation surface 201 .
- the operation surface 201 receives driver's operations such as touch, tap, and drag, as described above.
- the touch pad 20 (operation surface 201 ) is provided in the vicinity of the rim portion 10 from the central portion of the steering wheel 2 to a portion of the spoke portion 3 .
- control device 1 performs grip determination based on the voltage value (capacitance) from the grip sensor 21 as described above.
- the electrical signal indicating the capacitance detected by the grip sensor 21 is processed in the capacitance measurement circuit to acquire the detected capacitance value.
- the grip determination unit 11 compares the acquired detection value (capacitance) with the threshold stored in the storage unit 111 .
- the grip determination unit 11 determines whether or not the steering wheel 2 is gripped based on the detected value and the threshold value. For example, the grip determination unit 11 determines that the object is in the non-grasped state when the acquired detection value is less than the threshold, and determines that the object is in the gripped state when the acquired detection value is greater than or equal to the threshold. The result of gripping determination by the gripping determination unit 11 is sent by the communication unit 13 to the driving support ECU.
- the driving assistance ECU Upon receiving a signal indicating the grip determination result from the control device 1, the driving assistance ECU executes processing related to driving assistance based on the received grip determination result. For example, when receiving a result of gripping determination that the steering wheel 2 is in a non-gripping state during automatic driving, the driving assistance ECU terminates automatic driving.
- the processing of the driving support ECU is not limited to automatic driving, and may be, for example, lane keeping assist, parking assist, or the like.
- FIG. 3 is an exemplary diagram showing an example of operating the touch pad 20 in the steering wheel device 100 of this embodiment. For convenience, FIG. 3 shows the driver's hand 200 with a dashed line.
- the driver can operate the touch pad 20 with, for example, the tip of the thumb while gripping the rim portion 10 .
- the gripping state of the rim portion 10 and the operation of the touch pad 20 may occur at the same time.
- both the electrode 2 a of the grip sensor 21 and the electrode of the touch pad 20 come into contact with both the electrode 2 a of the grip sensor 21 and the electrode of the touch pad 20 .
- the electrodes 2a of the grip sensor 21 and the electrodes of the touch pad 20 are in electrical contact with each other through the driver's hand.
- both the touch pad 20 and the grip sensor 21 measure capacitance, there is a possibility that normal measurement cannot be performed at this time. In addition, this may lead to erroneous determination in the grip determination and the operation determination, and malfunction of the UI of the display unit.
- the grip determination unit 11 performs the grip determination according to whether or not the touch pad 20 is operated by the driver, thereby solving the above-described problem. are doing. A detailed description will be given below.
- FIG. 4 is a flowchart for explaining the processing of operation determination and gripping determination in the steering wheel device 100 of this embodiment.
- the grip determination unit 11 determines whether or not the engine of the vehicle has started to drive (step S201).
- the grip determination unit 11 makes this determination by monitoring an ignition signal that is output for a predetermined period of time when the ignition (ignition device) is ON.
- step S201: NO determines that the engine of the vehicle has not started driving
- step S201: YES the grip determination unit 11 starts the grip determination based on the result of the capacitance detection by the grip sensor 21 (step S202). That is, the gripping determination unit 11 starts gripping determination based on the capacitance from the gripping sensor 21 .
- the grip determination unit 11 transmits the result of the grip determination to the driving support ECU or the like via the communication unit 13 until the operation determination unit 12 transmits the first operation determination signal.
- the operation determination unit 12 also determines whether or not the engine of the vehicle has started driving by monitoring the ignition signal (step S101). When the operation determination unit 12 determines that the engine of the vehicle has not started driving (step S101: NO), it repeats this determination. When the operation determination unit 12 determines that the engine of the vehicle has started driving (step S101: YES), it starts the operation determination (step S102). That is, the operation determination unit 12 starts comparing the capacitance value sent from the touch pad 20 and the threshold value stored in the storage unit 121 .
- the operation determination unit 12 determines whether or not the touch pad 20 is being operated (step S103). When the operation determination unit 12 determines that the touch pad 20 is not operated (step S103: NO), it repeats this determination. Further, when the operation determination unit 12 determines that the touch pad 20 is being operated (step S103: YES), the operation determination unit 12 transmits a first operation determination signal to the grip determination unit 11 (step S104).
- the grip determination unit 11 When the grip determination unit 11 receives the first operation determination signal from the operation determination unit 12, the grip determination unit 11 interrupts the grip determination being performed (step S203). That is, the grip determination unit 11 invalidates the capacitance sent from the grip sensor 21 .
- the gripping determination unit 11 sets the result of the gripping determination as the gripping state regardless of the result of capacitance detection from the gripping sensor 21 (step S204).
- the result of such grip determination is transmitted to the driving support ECU or the like via the communication unit 13 .
- the grip determination unit 11 determines whether or not the second operation determination signal has been received from the operation determination unit 12 (step S205).
- the grip determination unit 11 determines that the second operation determination signal has not been received from the operation determination unit 12 (step S205: NO)
- the process returns to step S204, and the grip determination unit 11 performs the grip determination. Let the result be the grasped state.
- step S104 after transmitting the first manipulation determination signal to the gripping determination unit 11, the manipulation determination unit 12 determines whether a predetermined time has elapsed based on the timing result of the timing unit (not shown). (step S105).
- step S105 NO
- the process returns to step S104, and the operation determination unit 12 performs the first operation determination signal. 1
- a manipulation determination signal is transmitted to the grip determination unit 11 .
- step S105 determines that the predetermined time has passed since the transmission of the first operation determination signal
- step S106 determines again whether the touch pad 20 is being operated.
- step S106 determines that the touch pad 20 is being operated
- the process returns to step S104, and the operation determination unit 12 transmits the first operation determination signal to the grip determination unit 11. .
- the operation determination unit 12 after transmitting the first operation determination signal, the operation determination unit 12 periodically and repeatedly determines whether the touch pad 20 is being operated. continues to transmit the first operation determination signal to the grip determination unit 11 .
- step S106 determines that the touch pad 20 is not operated
- step S107 transmits a second operation determination signal to the grip determination unit 11 (step S107). After that, the process ends.
- the grip determination unit 11 determines that the second operation determination signal has been received (step S205: YES).
- the grip determination unit 11 resumes the interrupted grip determination (step S206). That is, the grip determination unit 11 resumes grip determination based on the capacitance from the grip sensor 21 . After that, the process ends.
- the grip determination unit 11 when the operation determination unit 12 issues the first operation determination signal, that is, when the driver is operating the touch pad 20, the grip determination unit 11 When the grip determination is interrupted and the operation determination unit 12 issues a second operation determination signal, that is, when the driver stops operating the touch pad 20, the grip determination unit 11 resumes the grip determination. Therefore, while the driver is operating the touch pad 20, the gripping sensor 21 does not detect the capacitance and is disabled. Therefore, it is possible to prevent the problem that normal capacitance cannot be measured due to electrical contact between the electrodes 2a of the grip sensor 21 and the electrodes of the touch pad 20 via the driver's hand.
- the grip determination unit 11 uniformly sets the result of the grip determination as the grip state.
- the driver operates the touch pad 20 with the fingertips while gripping the rim portion 10 (see FIG. 3), it is an appropriate gripping determination to uniformly set the gripping state. Therefore, even when gripping determination is interrupted, it is possible to output an appropriate result of gripping determination to the driving support ECU or the like.
- the control device 1 since the control device 1 is built in, the in-vehicle LAN is not used. Therefore, it is possible to improve the responsiveness without putting pressure on the data communication band of the in-vehicle LAN.
- control device 1 is provided on the steering wheel 2
- the present invention is not limited to this.
- the control device 1 may be provided on the corresponding body side of the vehicle (for example, controller).
- control device 2 steering wheel 10 rim portion 11 grip determination portion 12 operation determination portion 13 communication portion 20 touch pad 21 grip sensor 100 steering wheel device
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Abstract
Description
把持判定部11は、把持センサ21によって検出された静電容量の検出値を取得し、該検出値に基づき、ステアリングホイール2が把持状態であるか、非把持状態であるかを判定する。ここで、把持状態は運転者がステアリングホイール2を握っている状態であり、非把持状態は運転者がステアリングホイール2を握らず、手放しの状態である。
把持判定部11による前記把持判定の結果は、通信部13を介して、前記運転支援ECUなどに送信される。
以下では、リム部10が円環形状である場合を例に挙げて説明するがこれに限定されるものではない。リム部10は非円形(例えば、D字形状、C字形状)であっても良い。
よって、運転者がタッチパッド20を操作している間は、把持センサ21による静電容量検知が行われず、無効になる。従って、把持センサ21の電極2aと、タッチパッド20の電極とが運転者の手を介して電気的に接触されることによって、正常な静電容量の測定ができなくなる問題を事前に防止できる。
2 ステアリングホイール
10 リム部
11 把持判定部
12 操作判定部
13 通信部
20 タッチパッド
21 把持センサ
100 ステアリングホイール装置
Claims (9)
- 静電容量を用いて操作可能なタッチパッド(20)及び運転者がリム部(10)を把持しているかどうかを検知する把持センサ(21)を有するステアリングホイール(2)と、
前記タッチパッド(20)が操作されているかどうかの操作判定を行う操作判定部(12)と、
前記ステアリングホイール(2)の前記リム部(10)が把持されているかどうかの把持判定を行う把持判定部(11)とを備える乗員状態検知装置(100)。 - 前記タッチパッド(20)は、前記ステアリングホイール(2)の中央部分からスポーク部(3)の領域に設けられることを特徴とする請求項1に記載の乗員状態検知装置(100)。
- 前記把持判定部(11)は、前記ステアリングホイール(2)に設けられることを特徴とする請求項1または2に記載の乗員状態検知装置(100)。
- 前記操作判定部(12)は、前記ステアリングホイール(2)に設けられることを特徴とする請求項1から3のいずれか1項に記載の乗員状態検知装置(100)。
- 前記操作判定部(12)は、前記タッチパッド(20)が操作されていると判定した場合、前記把持判定部(11)に第1操作判定信号を送信し、
前記第1操作判定信号が受信された場合、前記把持判定部(11)は前記把持判定を中断する請求項1から4のいずれか1項に記載の乗員状態検知装置(100)。 - 前記操作判定部(12)は、前記第1操作判定信号の送信後に、前記タッチパッド(20)が操作されていないと判定した場合、前記把持判定部(11)に第2操作判定信号を送信し、
前記第2操作判定信号が受信された場合、前記把持判定部(11)は前記把持判定を再開する請求項5に記載の乗員状態検知装置(100)。 - 前記第1操作判定信号が受信された場合、前記把持判定部(11)は、前記リム部(10)が把持されていると判定する請求項5又は6に記載の乗員状態検知装置(100)。
- 前記把持判定部(11)及び前記操作判定部(12)は、前記ステアリングホイール(2)に設けられていることを特徴とする請求項1から7のいずれか1項に記載の乗員状態検知装置(100)。
- コンピュータ(1)に、
ステアリングホイール(2)に設けられた静電容量を用いて操作可能なタッチパッド(20)が操作されているかどうかの操作判定を行い、
前記ステアリングホイール(2)のリム部(10)が把持されているかどうかの把持判定を行う
処理を実行させるコンピュータプログラム。
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CN202380019882.3A CN118647540A (zh) | 2022-02-09 | 2023-01-31 | 乘员状态检测装置及计算机程序 |
JP2023580183A JPWO2023153267A1 (ja) | 2022-02-09 | 2023-01-31 |
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CN (1) | CN118647540A (ja) |
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Citations (6)
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JP2015047969A (ja) * | 2013-09-02 | 2015-03-16 | 本田技研工業株式会社 | スイッチシステム |
JP2015053123A (ja) * | 2013-09-05 | 2015-03-19 | 株式会社デンソー | タッチ検出装置および車両用ナビゲーション装置 |
JP2019043371A (ja) * | 2017-09-01 | 2019-03-22 | 株式会社東海理化電機製作所 | 操作装置 |
JP2019119295A (ja) * | 2017-12-28 | 2019-07-22 | 本田技研工業株式会社 | 車両用ステアリング装置 |
JP2019166878A (ja) | 2018-03-22 | 2019-10-03 | 株式会社東海理化電機製作所 | タッチパッド及び操作システム |
KR20210132316A (ko) * | 2020-04-27 | 2021-11-04 | 현대자동차주식회사 | 차량 주행 보조 제어 장치 및 방법 |
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- 2023-01-31 WO PCT/JP2023/002971 patent/WO2023153267A1/ja active Application Filing
- 2023-01-31 CN CN202380019882.3A patent/CN118647540A/zh active Pending
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Patent Citations (6)
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JP2015047969A (ja) * | 2013-09-02 | 2015-03-16 | 本田技研工業株式会社 | スイッチシステム |
JP2015053123A (ja) * | 2013-09-05 | 2015-03-19 | 株式会社デンソー | タッチ検出装置および車両用ナビゲーション装置 |
JP2019043371A (ja) * | 2017-09-01 | 2019-03-22 | 株式会社東海理化電機製作所 | 操作装置 |
JP2019119295A (ja) * | 2017-12-28 | 2019-07-22 | 本田技研工業株式会社 | 車両用ステアリング装置 |
JP2019166878A (ja) | 2018-03-22 | 2019-10-03 | 株式会社東海理化電機製作所 | タッチパッド及び操作システム |
KR20210132316A (ko) * | 2020-04-27 | 2021-11-04 | 현대자동차주식회사 | 차량 주행 보조 제어 장치 및 방법 |
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