JP2017210173A - Device for controlling occupant protection device, occupant protection system and method for controlling occupant protection device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for controlling an occupant protection device that allows an occupant protection device to exert a function of protecting an occupant, and to provide an occupant protection system and a method for controlling an occupant protection device.SOLUTION: The device for controlling an occupant protection device includes a control part for performing motion control for an occupant protection device in accordance with a rotational position of a seat in a cabin when an impact acts on own vehicle. The control part chooses an occupant protection device to be operated from a plurality of occupant protection devices in accordance with the rotational position of the seat.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an occupant protection device control device, an occupant protection system, and an occupant protection device control method.

  Conventionally, a vehicle is provided with an occupant protection device that protects the occupant in the event of a collision, such as a seat belt pretensioner or an airbag. Such an occupant protection device cannot fully exhibit the occupant protection function when the occupant's posture is not appropriate. For this reason, there exists an apparatus which performs deployment control of the airbag according to the angle which the seat surface of a seat and a backrest make (for example, refer to patent documents 1).

JP 2009-179154 A

  However, recent vehicles have various seat arrangements in consideration of passenger comfort, and the degree of freedom of the passenger posture is increased. In addition, when automatic driving of vehicles is put into practical use in the future, the vehicles increase to the degree of freedom of the occupant posture in the driver's seat.

  In this way, when the degree of freedom of the occupant posture is further increased and the occupant is in a free posture in the passenger compartment, the occupant protection device can be used even if the angle between the seat surface of the seat and the backrest is taken into account. The protective function may not be fully exhibited.

  Embodiments of the present invention have been made in view of the above, and are a control device for an occupant protection device, an occupant protection system, and a control method for an occupant protection device that can cause the occupant protection device to exhibit a protection function for the occupant The purpose is to provide.

  The control device for an occupant protection device according to the embodiment includes a control unit that performs operation control on the occupant protection device according to the rotational position of the seat in the vehicle interior when an impact is applied to the host vehicle.

  The control device of the occupant protection device, the occupant protection system, and the control method of the occupant protection device according to the embodiment can cause the occupant protection device to exhibit the occupant protection function.

Drawing 1 is an explanatory view showing an example of vehicles provided with a control device concerning an embodiment. FIG. 2 is a block diagram illustrating a configuration of the occupant protection system and the control device according to the embodiment. FIG. 3 is an explanatory diagram illustrating an example of occupant protection device control information according to the embodiment. Drawing 4 is an explanatory view showing an example of operation control of a crew member protection device by a control part concerning an embodiment. Drawing 5 is an explanatory view showing an example of operation control of a crew member protection device by a control part concerning an embodiment. Drawing 6 is an explanatory view showing an example of operation control of a crew member protection device by a control part concerning an embodiment. FIG. 7 is an explanatory diagram illustrating an example of operation control of the occupant protection device by the control unit according to the embodiment. Drawing 8 is an explanatory view showing an example of operation control of a crew member protection device by a control part concerning an embodiment. FIG. 9 is an explanatory diagram illustrating an example of operation control of the occupant protection device by the control unit according to the embodiment. FIG. 10 is an explanatory diagram illustrating an example of operation control of the occupant protection device by the control unit according to the embodiment. FIG. 11 is a flowchart illustrating processing executed by the control unit according to the embodiment.

  Hereinafter, a control device for an occupant protection device, an occupant protection system, and a control method for an occupant protection device according to embodiments will be described in detail with reference to the accompanying drawings. In addition, this invention is not limited by this embodiment.

  First, an example of a vehicle provided with the control device according to the embodiment will be described with reference to FIG. FIG. 1 is an explanatory diagram illustrating an example of a vehicle (hereinafter, referred to as “own vehicle 100”) provided with the control device 1 according to the embodiment. FIG. 1 shows the arrangement of the control device 1, the occupant protection device, and various sensors. An example of a specific configuration of the occupant protection system according to the embodiment will be described later with reference to FIG.

  Here, the case where the host vehicle 100 is a four-seater sedan type with a right handle (the front right seat is the driver seat 41) will be described as an example. However, a vehicle provided with the control device 1 is a left handle. There may be a vehicle in which five or more people can ride.

  As shown in FIG. 1, the host vehicle 100 includes an automatic driving device 101. Although not shown here, the host vehicle 100 includes a camera that captures an image of the surroundings of the host vehicle and a radar that detects obstacles around the vehicle.

  When the automatic driving mode is selected by the user, the automatic driving device 101 recognizes other vehicles, obstacles, lanes, and the like based on the captured image of the camera and the detection result of the radar, and accelerates / decelerates the own vehicle 100. This is a device that automatically controls the vehicle and the steering so that the host vehicle 100 travels automatically.

  As a result, the host vehicle 100 can freely change the inclination angle of the backrest of the driver seat 41 and the passenger seat 42 and the rotational position of the seat surface during automatic driving. On the other hand, in the case of manual driving, the host vehicle 100 can freely change the inclination angle of the backrest of the driver seat 41 and the passenger seat 42 and the rotational position of the seat surface of the passenger seat 42.

  The host vehicle 100 includes a control device 1 that controls the operation of the occupant protection device, and detection devices such as a collision sensor 21, a seat surface sensor 22, a backrest sensor 23, a foot sensor 24, and a three-dimensional sensor 25.

  The host vehicle 100 includes a seat belt pretensioner 31, an airbag 32, a curtain airbag 33, a knee airbag 34, a side airbag 35, a center airbag 36, a slide lock 37, a rotation lock 38, and a reclining lock 39. Is provided.

  The pretensioner 31, the airbag 32, the curtain airbag 33, the knee airbag 34, the side airbag 35, the center airbag 36, the slide lock 37, the rotation lock 38, and the reclining lock 39 are examples of the occupant protection device. is there.

  The collision sensor 21 is, for example, a three-dimensional acceleration sensor that detects an impact applied to the host vehicle 100 and detects a collision of the host vehicle 100. The collision sensors 21 are provided at, for example, the four corners of the vehicle (the vehicle front right side, the vehicle front left side, the vehicle rear right side, and the vehicle rear left side) and the center positions of both side surfaces of the vehicle.

  The seat surface sensor 22 is, for example, a pressure sensitive sensor. The seat surface sensor 22 is provided in the seat surfaces of the driver seat 41 and the passenger seat 42, and detects a load applied to the seat surface. The back sensor 23 is, for example, a pressure sensor. The backrest sensor 23 is provided in the backrests of the driver's seat 41 and the passenger seat 42 and detects a load applied to the backrest.

  The foot sensor 24 is, for example, an infrared sensor. The foot sensor 24 is provided below the driver seat 41 and the passenger seat 42 and detects the feet of a passenger sitting on the driver seat 41 and the passenger seat 42. The three-dimensional sensor 25 is, for example, a TOF (Time Of Flight) sensor. The three-dimensional sensor 25 is provided in the center of the dashboard in the passenger compartment and in front of the driver's seat 41, and measures the presence / absence, position, and three-dimensional shape of an occupant.

  The pretensioner 31 prevents the occupant from being thrown out of the vehicle by winding the seat belt instantaneously and restraining the occupant to the seat when the collision of the host vehicle 100 is detected by the collision sensor 21. .

  The airbag 32, the curtain airbag 33, the knee airbag 34, the side airbag 35, and the center airbag 36 are inflated when the collision of the host vehicle 100 is detected, and the inflated bag By absorbing and mitigating the impact on the occupant.

  The airbag 32 is provided in front of the driver seat 41 and in front of the passenger seat 42, for example. The curtain airbag 33 is provided, for example, at the upper part on the left and right windows in the vehicle interior. The knee airbag 34 is provided, for example, at the knee of the passenger in the driver seat 41 and the knee of the passenger in the passenger seat 42.

  The side airbag 35 is provided, for example, inside each door of the host vehicle 100 or between each door and a seat. The center airbag 36 is provided, for example, on the floor in the center of the passenger compartment (between the front seat (driver seat 41 and front passenger seat 42) and the rear seat 43).

  The slide lock 37 is a stopper that prohibits the sliding movement of the driver seat 41 and the passenger seat 42 in the front-rear direction when the host vehicle 100 collides. The rotation lock 38 is a stopper that prohibits rotation of the driver seat 41 and the passenger seat 42 when the host vehicle 100 collides. The reclining lock 39 is a stopper that prohibits the tilting operation of the backrest of the driver seat 41 and the passenger seat 42 when the host vehicle 100 collides.

  When the collision of the host vehicle 100 is detected by the collision sensor 21, the control device 1 protects the occupant by operating the occupant protection device. The control device 1 performs operation control according to the rotational position of the seat in the passenger compartment with respect to the occupant protection device when the host vehicle 100 collides. Thereby, even if it is a case where a passenger | crew takes the free attitude | position, the control apparatus 1 can make a passenger | crew protection device exhibit the passenger | crew's protection function according to the rotation position of the seat.

  Next, the configuration of the occupant protection system and the control device 1 according to the embodiment will be described with reference to FIG. FIG. 2 is a block diagram illustrating a configuration of the occupant protection system and the control device 1 according to the embodiment. 2 that are the same as those shown in FIG. 1 are given the same reference numerals as those shown in FIG. 1, and detailed descriptions thereof are omitted.

  As shown in FIG. 2, the occupant protection system according to the embodiment includes a control device 1, a detection device 2, an occupant protection device 3, and an automatic driving device 101. The control device 1 is connected to the detection device 2, the occupant protection device 3, and the automatic driving device 101. When a signal indicating that automatic driving is started from the automatic driving device 101, the control device 1 is input from the detection device 2. Based on the information, operation control of the occupant protection device 3 is performed.

  The detection device 2 includes a collision sensor 21, a seat surface sensor 22, a backrest sensor 23, a foot sensor 24, and a three-dimensional sensor 25. The occupant protection device 3 includes a pretensioner 31, an airbag 32, a curtain airbag 33, a knee airbag 34, a side airbag 35, a center airbag 36, a slide lock 37, a rotation lock 38, and a reclining lock 39.

  The control device 1 includes a control unit 11 and a storage unit 12. The storage unit 12 stores occupant protection device control information 13. The storage unit 12 is, for example, a semiconductor memory device such as a RAM (Random Access Memory) or a flash memory, or a storage device such as an HDD (Hard Disk Drive) or an optical disk.

  The control unit 11 includes, for example, a microcomputer having a central processing unit (CPU), a read only memory (ROM), a random access memory (RAM), an input / output port, and various circuits.

  The control unit 11 is realized, for example, by the CPU reading and executing a program stored in the ROM. The control unit 11 may be configured by hardware such as an application specific integrated circuit (ASIC) or a field programmable gate array (FPGA).

  When the control unit 11 receives a signal indicating that automatic driving has been started from the automatic driving device 101, whether or not a signal indicating that a collision of the host vehicle 100 has been detected is input from the collision sensor 21. Determine.

  And if the collision of the own vehicle 100 is detected, the control part 11 will collide based on the information input from the collision sensor 21, the seat surface sensor 22, the backrest sensor 23, the foot sensor 24, and the three-dimensional sensor 25. Determine the situation. The collision situation here includes the collision direction of the host vehicle 100, the rotational positions of the front seats (driver's seat 41 and front passenger seat 42), the angle of the backrest, the occupant's physique, the occupant's posture, and the sight line direction of the occupant. .

  The control device 1 receives the signal indicating that a collision of the host vehicle 100 has been detected among the six collision sensors 21, and determines the collision direction of the host vehicle 100 from the position of the collision sensor 21 in the host vehicle 100. Determine.

  The control device 1 also determines the state of the driver's seat 41, the state of the passenger seat 42, the presence / absence of an occupant, the posture, based on the detection results of the seat sensor 22, back sensor 23, foot sensor 24, and three-dimensional sensor 25. The condition of the passenger compartment at the time of the collision including the body shape etc. is determined.

  Then, the control unit 11 selects a device to be operated from a plurality of devices included in the occupant protection device 3 based on the determined collision situation and the occupant protection device control information 13 stored in the storage unit 12. Furthermore, the control part 11 adjusts the operation | movement aspect of the passenger | crew protection apparatus 3 according to a passenger | crew's physique and attitude | position, and operates it. Note that an example of operation control of the occupant protection device 3 by the control unit 11 will be described later with reference to FIGS.

  Next, an example of the occupant protection device control information 13 according to the embodiment will be described with reference to FIG. FIG. 3 is an explanatory diagram illustrating an example of the occupant protection device control information 13 according to the embodiment. As shown in FIG. 3, the occupant protection device control information 13 includes identification numbers (01 to 07 here) assigned to a plurality of types of collision situations, and collisions to which identification numbers (01 to 07) are assigned. This is information associated with operation control for the occupant protection device 3 in the situation.

  Here, the collision situation of the identification number 01 is a situation where the front seat (driver's seat 41, the passenger seat 42) and the rear seat 43 face each other and the vehicle 100 collides from the front. The collision situation of the identification number 02 is a state in which the seat surface of the front seat (driver's seat 41, passenger seat 42) is rotated obliquely (for example, 45 degrees toward the outside of the host vehicle 100) with respect to the front of the host vehicle 100. In this situation, the vehicle 100 collides from the front.

  The collision situation with the identification number 03 is a situation in which the front seat (driver's seat 41, passenger seat 42) collides from the rear of the host vehicle 100 with the front seat facing the center of the passenger compartment. The collision situation of identification number 04 is a situation in which the occupants of the front seats (driver's seat 41 and passenger seat 42) collide from the front of the host vehicle 100 in a forward leaning posture.

  The collision situation of the identification number 05 is a situation in which the front passenger (driver's seat 41, passenger seat 42) collides from the front of the host vehicle 100 when the passenger is smaller than the standard adult physique. The collision situation of identification number 06 is a situation where the front seat (driver's seat 41, front passenger seat 42) collides from the front of the host vehicle 100 with the backrest tilted until it becomes fully flat.

  The collision situation with the identification number 07 is a situation in which a passenger in the front seat (driver's seat 41, passenger seat 42) collides from the front of the host vehicle 100 while looking away. FIG. 3 shows a part of the occupant protection device control information 13. The occupant protection device control information 13 includes more than seven types of collision situations, and the occupant protection device 3 in each collision situation. Includes information associated with operation control for.

  In addition, “◯” shown in FIG. 3 means that the operation control for the occupant protection device 3 is activated. On the other hand, x in FIG. 3 means that the operation control for the occupant protection device 3 is inactive. In addition, the operation control described as ◯ (adjustment) in FIG. 3 does not simply operate the occupant protection device 3 but indicates control that operates while adjusting the operation mode. The adjustment of the operation mode will be described later with reference to FIGS.

  Returning to FIG. 3, the control unit 11 determines a collision situation when the host vehicle 100 collides, and identifies an identification number assigned to the determined collision situation. Then, the control unit 11 refers to the occupant protection device control information 13 and selectively activates the occupant protection device 3 that is identified with “◯” in association with the identified identification number.

  In addition, when the host vehicle 100 collides, the control unit 11 operates all of the pretensioner 31, the slide lock 37, the rotation lock 38, and the reclining lock 39 in the occupant protection device 3 regardless of the collision situation. Thereby, the control part 11 can prevent the injury of the passenger | crew resulting from the sliding to the front-back direction of the front seat (driver's seat 41, the passenger seat 42), rotation of a seat surface, and inclination of a backrest at the time of a collision. it can.

  Next, an example of operation control of the occupant protection device 3 by the control unit 11 according to the embodiment will be described with reference to FIGS. 4-10 is explanatory drawing which shows an example of operation control of the passenger | crew protection apparatus 3 by the control part 11 which concerns on embodiment.

  4 shows the collision situation with the identification number 01, FIG. 5 shows the collision situation with the identification number 02, and FIG. 6 shows the collision situation with the identification number 03. FIG. 7 shows a collision situation where the identification number is 04.

  8 shows the collision situation with the identification number 05, FIG. 9 shows the collision situation with the identification number 06, and FIG. 10 shows the collision situation with the identification number 07. ing. 4 to 10, except for FIGS. 7 and 8, illustration of the occupant is omitted for easy understanding of the state of the seat, but it is assumed that the occupant is seated in all seats. .

  As shown in FIG. 4, the collision situation with the identification number 01 is a situation in which the driver's seat 41, the passenger seat 42 and the rear seat 43 face each other and collide from the front of the host vehicle 100. In such a situation, the passengers of the driver seat 41 and the passenger seat 42 are protected by the headrest at the back of the head and protected at the back by the backrest, so that the operation of the airbag 32 and the knee airbag 34 is unnecessary.

  Further, in the situation shown in FIG. 4, since the collision is not from the side, the operation of the curtain airbag 33 and the side airbag 35 is unnecessary. However, since the passengers in the driver's seat 41 and the passenger seat 42 and the passengers in the rear seat 43 may collide, the operation of the center airbag 36 is necessary.

  Therefore, in the situation shown in FIG. 4, the control unit 11 deactivates the airbag 32, the curtain airbag 33, the knee airbag 34, and the side airbag 35. Then, the control unit 11 operates the center airbag 36, the pretensioner 31, the slide lock 37, the rotation lock 38, and the reclining lock 39.

  As a result, the control unit 11 can cause the center airbag 36 to exert a passenger protection function according to the relative orientation of the driver seat 41 and the passenger seat 42 and the rear seat 43. Moreover, the control unit 11 can prevent unnecessary activation of the airbag 32, the curtain airbag 33, the knee airbag 34, and the side airbag 35 that cannot be reactivated once activated.

  Further, as shown in FIG. 5, the collision situation with the identification number 02 is a state where the seat surfaces of the driver seat 41 and the passenger seat 42 are rotated by 45 degrees obliquely with respect to the front of the host vehicle 100 (on the outside of the host vehicle 100). In this state, the vehicle 100 collides from the front of the host vehicle 100.

  In such a situation, the passenger of the driver seat 41 and the passenger seat 42 and the passenger of the rear seat 43 are unlikely to collide, so that the operation of the center airbag 36 is unnecessary. Further, in the situation shown in FIG. 5, the airbag 32 and the knee airbag 34 are not located in front of the occupant of the driver seat 41 and the passenger seat 42, and it is difficult to exert the occupant protection function even if operated. No action is necessary.

  Further, in the situation shown in FIG. 5, the passengers in the driver seat 41 and the passenger seat 42 may collide with the side surface of the host vehicle 100 due to the rotation of the seat surface. For this reason, the curtain airbag 33 and the side airbag 35 need to be activated.

  Therefore, the control unit 11 deactivates the airbag 32, the knee airbag 34, and the center airbag 36. And the control part 11 operates the pretensioner 31, the curtain airbag 33, the side airbag 35, the slide lock 37, the rotation lock 38, and the reclining lock 39.

  As a result, the control unit 11 can cause the curtain airbag 33 and the side airbag 35 to exert a passenger protection function according to the rotational positions of the driver seat 41 and the passenger seat 42. In addition, the control unit 11 can prevent the airbag 32, the knee airbag 34, and the center airbag 36, which cannot be reactivated once activated, from being operated unnecessarily.

  FIG. 5 shows a state in which the seats of the driver seat 41 and the passenger seat 42 are rotated toward the outside of the host vehicle 100. On the other hand, when the seat surfaces of the driver seat 41 and the passenger seat 42 are rotated toward the inside of the host vehicle 100, the passengers of the driver seat 41 and the passenger seat 42 can collide with the side surface of the host vehicle 100. The nature is low. For this reason, in this state, the operation of the curtain airbag 33 and the side airbag 35 may be unnecessary.

  Further, as shown in FIG. 6, the collision situation with the identification number 03 is a situation in which the driver's seat 41 and the passenger seat 42 collide from the rear of the host vehicle 100 with the center facing the passenger compartment. In such a situation, the passengers of the driver seat 41 and the passenger seat 42 are protected by the headrest at the back of the head and protected at the back by the backrest, so that the operation of the airbag 32 and the knee airbag 34 is unnecessary.

  Further, since the passengers in the driver's seat 41 and the passenger seat 42 are less likely to collide with the side surfaces of the host vehicle 100, the operation of the curtain airbag 33 and the side airbag 35 is unnecessary. However, since the passengers in the driver's seat 41 and the passenger seat 42 and the passengers in the rear seat 43 may collide, the operation of the center airbag 36 is necessary.

  Therefore, the control unit 11 deactivates the airbag 32, the curtain airbag 33, the knee airbag 34, and the side airbag 35. Then, the control unit 11 operates the pretensioner 31, the center airbag 36, the slide lock 37, the rotation lock 38, and the reclining lock 39.

  Thereby, the control part 11 can make the center airbag 36 exhibit a passenger | crew's protection function according to the rotation position of the driver's seat 41 and the passenger seat 42. FIG. Moreover, the control unit 11 can prevent unnecessary activation of the airbag 32, the curtain airbag 33, the knee airbag 34, and the side airbag 35 that cannot be reactivated once activated.

  As shown in FIG. 7, the collision situation of the identification number 04 is a situation in which, for example, the passenger 51 of the driver's seat 41 collides from the front of the host vehicle 100 in a forward leaning posture. In such a situation, the driver's seat 41 faces the front of the host vehicle 100. And the collision direction is not from the side. For this reason, the operation | movement of the curtain airbag 33, the side airbag 35, and the center airbag 36 is unnecessary.

  Therefore, the control unit 11 deactivates the curtain airbag 33, the side airbag 35, and the center airbag 36. Then, the control unit 11 operates the pretensioner 31, the airbag 32, the knee airbag 34, the slide lock 37, the rotation lock 38, and the reclining lock 39.

  However, in the situation shown in the left diagram of FIG. 7, since the occupant 51 is tilted forward, the airbag 32 may apply more pressure than necessary to the face of the occupant 51 when the bag body instantaneously expands. . Although illustration is omitted here, the knee airbag 34 may similarly apply more pressure than necessary to the occupant 51.

  In the situation shown in the left diagram of FIG. 7, the pretensioner 31 is in a state in which the seat belt 6 is extended because the occupant 51 is in a forward leaning posture, and compared with a case where the seat belt 6 is not in a forward leaning posture. It takes time to wind 6 to an appropriate length.

  Therefore, the control unit 11 performs adjustment to lower the deployment speed of the airbag 32 (the inflation speed of the bag body) compared to the case where the occupant 51 is not in the forward tilted posture, and the airbag 32 is in the state shown in the left diagram of FIG. To the state shown on the right.

  Similarly, the control unit 11 also adjusts the knee airbag 34 to lower the deployment speed (the inflation speed of the bag body). Thereby, the control part 11 can prevent that the pressure more than necessary is added to the passenger | crew 51 from the airbag 32 and the knee airbag 34. FIG.

  Furthermore, the control unit 11 performs an adjustment to increase the winding speed of the seat belt 6 by the pretensioner 31 as compared with the case where the occupant 51 is not in the forward tilt posture. Note that the control unit 11 also performs an adjustment to increase the winding speed of the seat belt 6 by the pretensioner 31 when the host vehicle 100 collides even when the occupant of the rear seat 43 is leaning forward. Thereby, the control part 11 can wind up the seatbelt 6 to suitable length at the time of the collision of the own vehicle 100, even if it is a case where the passenger | crew 51 is taking the forward leaning attitude | position.

  As shown in FIG. 8, the collision state of the identification number 05 is a collision from the front of the host vehicle 100 when, for example, the passenger 52 of the driver's seat 41 is smaller than a standard adult physique. Is the situation.

  In such a situation, the driver's seat 41 faces the front of the host vehicle 100. And the collision direction is not from the side. For this reason, the operation | movement of the curtain airbag 33, the side airbag 35, and the center airbag 36 is unnecessary.

  Therefore, the control unit 11 deactivates the curtain airbag 33, the side airbag 35, and the center airbag 36. Then, the control unit 11 operates the pretensioner 31, the airbag 32, the knee airbag 34, the slide lock 37, the rotation lock 38, and the reclining lock 39.

  However, in the situation shown in FIG. 8, when the airbag 32 is inflated at a position suitable for protecting a passenger having a standard adult physique in the driver's seat 41 (see the dotted line shown in FIG. 8), There is a possibility that the relatively small passenger 52 cannot be properly protected.

  Further, in the situation shown in FIG. 8, the occupant 52 is smaller than the occupant having a standard adult physique, so that the pressure to jump forward at the time of collision is smaller than that of the occupant having the standard adult physique. For this reason, the pretensioner 31 preferably applies an excessive load to the small occupant 51 when the seat belt 6 is wound at the same winding speed as when the occupant has a standard adult physique. Absent.

  Therefore, the control unit 11 is adapted to the small occupant 52, such as an airbag 32 shown by a solid line in FIG. 8, with a deployment position suitable for an occupant having a standard adult physique (dotted line shown in FIG. 8). Make adjustments to lower than

  Similarly, the control unit 11 adjusts the knee airbag 34 so that the knee airbag 34 is lower than a position suitable for a standard adult occupant. Thereby, the control part 11 can make the airbag 32 and the knee airbag 34 exhibit a passenger | crew's protection function.

  Further, the control unit 11 performs adjustment to lower the winding speed of the seat belt 6 by the pretensioner 31 as compared with a standard adult occupant. Note that the control unit 11 also adjusts to lower the winding speed of the seat belt 6 by the pretensioner 31 when the host vehicle 100 collides even when the passenger in the rear seat 43 is small. Thereby, the control part 11 can exhibit the passenger | crew's protection function by the pretensioner 31. FIG.

  As shown in FIG. 9, the collision situation of the identification number 06 is a situation in which the driver's seat 41 and the passenger seat 42 collide from the front of the host vehicle 100 with the backrests tilted until they are fully flat. . In such a situation, the control unit 11 can prevent the occupant from jumping forward by operating the pretensioner 31 without operating the airbag 32, the knee airbag 34, and the center airbag 36. it can. However, in the situation shown in FIG. 9, there is a possibility of being shaken in the lateral direction at the time of collision.

  Therefore, the control unit 11 deactivates the airbag 32, the knee airbag 34, and the center airbag 36. And the control part 11 operates the pretensioner 31, the curtain airbag 33, the side airbag 35, the slide lock 37, the rotation lock 38, and the reclining lock 39.

  As a result, the control unit 11 causes the pretensioner 31, the curtain airbag 33, and the side airbag 35 to move the passenger seat 41 and the passenger seat 42 to the occupant's seat according to the tilted state until the backrest is fully flat. A protective function can be exhibited. In addition, the control unit 11 can prevent the airbag 32 and the knee airbag 34 that cannot be re-actuated once activated from being operated unnecessarily.

  Moreover, the collision situation of the identification number 07 is a situation where the passenger of the driver's seat 41 or the passenger seat 42 collides from the front of the host vehicle 100 while looking away. In such a situation, the airbag 32 is not positioned in front of the occupant's face of the driver seat 41 and the passenger seat 42, and even if it operates, it is difficult to exert the passenger's protection function. .

  However, as shown in FIG. 10, the orientation of the driver seat 41 and the passenger seat 42 and the angle of the backrest are such that the occupant protection device 3 other than the airbag 32 can exhibit the occupant protection function (default state). is there.

  Therefore, the control unit 11 deactivates the airbag 32. Then, the control unit 11 operates the pretensioner 31, the curtain airbag 33, the knee airbag 34, the side airbag 35, the center airbag 36, the slide lock 37, the rotation lock 38, and the reclining lock 39.

  Accordingly, the control unit 11 can cause the occupant protection device 3 other than the airbag 32 to exhibit the occupant protection function according to the state in which the occupant of the driver seat 41 or the passenger seat 42 is looking away. Moreover, the control unit 11 can prevent the airbag 32 that cannot be re-actuated once being operated from being operated unnecessarily.

  Next, processing executed by the control unit 11 according to the embodiment will be described with reference to FIG. FIG. 11 is a flowchart illustrating processing executed by the control unit 11 according to the embodiment. When the host vehicle 100 is powered on, the control unit 11 repeatedly executes the process shown in FIG. 11 at a predetermined cycle.

  Specifically, when the host vehicle 100 is powered on, the control unit 11 first determines whether or not the host vehicle 100 has collided as shown in FIG. 11 (step S101). And the control part 11 complete | finishes a process, when it determines with the own vehicle 100 not colliding (step S101, No). Then, the control part 11 starts a process from step S101, after predetermined time (for example, several msec) progress.

  On the other hand, when it determines with the own vehicle 100 having collided (step S101, Yes), the control part 11 determines a collision direction (step S102). Subsequently, the control unit 11 determines the rotational position of the seat and the tilt angle of the backrest (step S103), and determines the occupant's physique, posture, and line-of-sight direction (step S104).

  And the control part 11 selects the passenger | crew protection apparatus 3 to act | operate based on the determination result of step S102, S103, S104 and passenger | crew protection apparatus control information 13 (step S105). Furthermore, the control part 11 adjusts the operation | movement aspect of the passenger | crew protection apparatus 3 according to a passenger | crew's physique and attitude | position (step S106). Then, the control part 11 operates the passenger | crew protection device 3 (step S107), and complete | finishes a process.

  As described above, the control device for the occupant protection device according to the embodiment includes a control unit that performs operation control according to the rotational position of the seat in the passenger compartment with respect to the occupant protection device when an impact is applied to the host vehicle. Prepare. Thereby, the control device of the occupant protection device can cause the occupant protection device to exhibit the occupant protection function.

  A plurality of occupant protection devices according to the embodiment are provided in the host vehicle. And the control part of the control apparatus which concerns on embodiment selects the passenger | crew protection apparatus operated from several passenger | crew protection apparatuses according to the rotation position of a seat. As a result, the control device of the occupant protection device can cause the occupant protection device to exhibit the occupant protection function even when the occupant rotates the seat and takes a free posture, for example.

  Moreover, the control part of a control apparatus selects the passenger | crew protection apparatus operated from several passenger | crew protection apparatuses according to the relative direction of the seats in a vehicle interior. Thereby, the control device of the occupant protection device can cause the occupant protection device to exhibit the occupant protection function even when, for example, the seats face each other.

  In addition, the control unit of the control device according to the embodiment selects an occupant protection device to be operated from a plurality of occupant protection devices according to the tilt angle of the seat back. As a result, the control device of the occupant protection device can cause the occupant protection device to exhibit the occupant protection function even when, for example, the seat back is tilted to take a free posture.

  In addition, the control unit of the control device according to the embodiment selects an occupant protection device that is operated from a plurality of occupant protection devices according to the line-of-sight direction of the occupant of the seat. Accordingly, the control device for the occupant protection device can cause the occupant protection device to exhibit the occupant protection function even when the occupant is looking away, for example.

  Moreover, the control part of the control apparatus which concerns on embodiment adjusts the operation | movement aspect of a passenger | crew protection apparatus according to the attitude | position of the passenger | crew of a seat. Thereby, the control device of the occupant protection device can cause the occupant protection device to exhibit the occupant protection function in accordance with the posture of the occupant.

  Moreover, the control part of the control apparatus which concerns on embodiment adjusts the operation | movement aspect of a passenger | crew protection apparatus according to the passenger | crew's physique of a seat. Accordingly, the control device for the occupant protection device can cause the occupant protection device to exhibit the occupant protection function in accordance with the occupant's physique.

  Further effects and modifications can be easily derived by those skilled in the art. Thus, the broader aspects of the present invention are not limited to the specific details and representative embodiments shown and described above. Accordingly, various modifications can be made without departing from the spirit or scope of the general inventive concept as defined by the appended claims and their equivalents.

DESCRIPTION OF SYMBOLS 1 Control apparatus 2 Detection apparatus 3 Occupant protection apparatus 6 Seat belt 11 Control part 12 Storage part 13 Occupant protection apparatus control information 21 Collision sensor 22 Seat surface sensor 23 Back sensor 24 Foot sensor 25 Three-dimensional sensor 31 Pretensioner 32 Airbag 33 Curtain Airbag 34 Knee airbag 35 Side airbag 36 Center airbag 37 Slide lock 38 Rotation lock 39 Reclining lock 41 Driver's seat 42 Passenger seat 43 Rear seat 51,52 Crew 100 Self-vehicle 101 Automatic driving device

Claims (9)

A control device for an occupant protection device, comprising: a control unit that performs operation control on the occupant protection device in accordance with a rotational position of a seat in the vehicle interior when an impact is applied to the host vehicle. The occupant protection device is
A plurality of the vehicle is provided,
The controller is
The control device for an occupant protection device according to claim 1, wherein an occupant protection device to be operated is selected from a plurality of the occupant protection devices in accordance with a rotational position of the seat. The controller is
The control device for an occupant protection device according to claim 2, wherein an occupant protection device that is operated from a plurality of the occupant protection devices is selected according to a relative direction of the seats in a vehicle interior. The controller is
The occupant protection device control device according to claim 2 or 3, wherein an occupant protection device to be operated is selected from a plurality of the occupant protection devices according to a tilt angle of a backrest of the seat. The controller is
The control device for an occupant protection device according to any one of claims 2 to 4, wherein an occupant protection device that is operated from a plurality of the occupant protection devices is selected according to a line-of-sight direction of the occupant of the seat. . The controller is
The control device for an occupant protection device according to any one of claims 1 to 5, wherein an operation mode of the occupant protection device is adjusted according to a posture of the occupant of the seat. The controller is
The control device for an occupant protection device according to any one of claims 1 to 6, wherein an operation mode of the occupant protection device is adjusted according to a physique of an occupant of the seat. An occupant protection device provided in the host vehicle;
An occupant protection device comprising a control unit that controls the occupant protection device according to the rotational position of the seat in the passenger compartment when an impact is applied to the own vehicle. system. A control method for an occupant protection device, comprising: a control step of performing an operation control on the occupant protection device according to a rotational position of a seat in a vehicle interior when an impact is applied to the host vehicle.

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