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Vehicle information processing apparatus

An information processing device and vehicle technology, applied in the field of vehicle information processing, can solve problems such as performance degradation and dirt attached to sensors

Pending Publication Date: 2021-09-07
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, such sensors may have dirt attached to them due to the driving environment of the vehicle, thereby degrading their performance.

Method used

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  • Vehicle information processing apparatus
  • Vehicle information processing apparatus
  • Vehicle information processing apparatus

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach ＞

[0032] figure 1 It is a block diagram of a vehicle V and its control device (information processing device) 1 according to an embodiment of the present invention. exist figure 1 In , an outline of a vehicle V is shown in a plan view and a side view. As an example, the vehicle V is a sedan-type four-wheeled passenger car.

[0033] The vehicle V of the present embodiment is, for example, a parallel type hybrid vehicle. In this case, the power unit 50 may include an internal combustion engine, a motor, and an automatic transmission as a traveling drive unit that outputs a driving force for rotating the driving wheels of the vehicle V. As shown in FIG. The motor can be used as a driving source for accelerating the vehicle V, and can also be used as a generator (regenerative braking) at the time of deceleration or the like.

[0034]

[0035] refer to figure 1 The configuration of the control device 1 as an on-vehicle device of the vehicle V will be described. The control de...

no. 2 approach ＞

[0073] in the first embodiment Image 6 In the process of , in S34, when there is no other vehicle within the detection range R of the detection unit 32B, it is directly set that the detection unit 32B is normal (S37). However, it is also considered that there are occasional cases where other vehicles do not exist because the amount of traffic around the own vehicle V is small. Therefore, it can be determined that performance degradation has occurred in the detection unit 32B when the state in which the target object has not been detected continues for a predetermined time. Figure 7 is a flow chart representing an example thereof, and is an alternative to Image 6 The processing example of the processing example. right with Image 6 The processing that differs from the processing example will be described.

[0074] When it is determined in S34 that there is no other vehicle within the detection range R of the detection means 32B, the process proceeds to S38. In S38 , it ...

no. 3 approach ＞

[0078] In the first embodiment, notification to the occupant is shown as an example of the corresponding processing of S36, but the obstacle removing means may be activated. Figure 8A as well as Figure 8B is a diagram showing an example thereof.

[0079] Figure 8A The removal unit 101 is a washer that sprays a cleaning liquid. The removing unit 101 sprays cleaning water on the surface of the vehicle V (the bumper periphery in this example) within the detection range of the detection unit 32B. When dust and mud adhere to the vehicle V as obstacles, their removal is effective.

[0080] Figure 8B The removal unit 102 is a heat generating heater. The removal unit 102 is arranged inside the vehicle V so as to heat the components of the vehicle V (the periphery of the bumper in this example) within the detection range of the detection unit 32B. When snow or ice is attached to the vehicle V as an obstacle, its removal is effective.

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Abstract

The invention provides a technology capable of discriminating performance degradation of a sensor in a shorter time. A vehicle information processing apparatus includes a detection unit configured to detect a target outside a vehicle, a communication unit configured to obtain position information of another vehicle by vehicle-to-vehicle communication, and a determination unit configured to determine, based on the position information obtained by the communication unit and a detection result obtained by the detection unit, whether performance degradation of the detection unit has occurred.

Description

technical field [0001] The invention relates to information processing technology of vehicles. Background technique [0002] Vehicles are known that are equipped with sensors such as millimeter-wave radars that monitor the periphery of the vehicle, and that provide driving assistance based on objects such as other vehicles detected by the sensors. On the other hand, such sensors may be degraded in performance due to dirt adhering to them due to the driving environment of the vehicle. In addition to dust and mud, dirt such as snow and ice can be considered. Patent Document 1 discloses a technique for determining the presence or absence of dirt on a sensor. [0003] prior art literature [0004] patent documents [0005] Patent Document 1: Japanese Patent Laid-Open No. 2018-179554 Contents of the invention [0006] The problem to be solved by the invention [0007] As a criterion for judging the presence or absence of dirt, it is considered whether the sensor has not d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/40B60R16/02B60S1/56
CPCG01S7/4004B60R16/02B60S1/56B60W2556/65B60W2554/4041B60W50/0205B60W2050/021B60W2050/0215B60W50/14B60W2555/20G01S7/4047G01S13/931G01S13/865G01S7/4091B60W50/045B60W2050/046
Inventor 池永权也
Owner HONDA MOTOR CO LTD
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