Working vehicle perimeter monitoring system and working vehicle

• US 9,415,722 B2
• Filed: 10/19/2012
• Issued: 08/16/2016
• Est. Priority Date: 09/21/2012
• Status: Active Grant

• Current Assignee: Komatsu Ltd.
• Original Assignee: Komatsu Ltd.
• Inventors: Masutani, Eishin, Machida, Masaomi, Kurihara, Takeshi
• Primary Examiner(s): MULLEN, THOMAS J
• Application Number:
  US13/824,491
• Publication Number:
  US 20160016512A1
• Time in Patent Office: 1,397 Days
• Field of Search: 340/435, 340/436, 340/903, 701/301
• US Class Current: 1/1
• CPC Class Codes: B60Q 9/008 for anti-collision purposes
• CPC Class Codes: B60R 1/27 providing all-round vision, e.g. using omnidirectional cameras
• CPC Class Codes: B60R 2300/301 combining image information with other obstacle sensor information, e.g. using RADAR/LIDAR/SONAR sensors for estimating risk of collision
• CPC Class Codes: B60R 2300/70 characterised by an event-triggered choice to display a specific image among a selection of captured images
• CPC Class Codes: G01S 13/87 Combinations of radar systems, e.g. primary radar and secondary radar
• CPC Class Codes: G01S 13/931 of land vehicles
• CPC Class Codes: G01S 2013/93271 in the front of the vehicles
• CPC Class Codes: G01S 2013/93272 in the back of the vehicles
• CPC Class Codes: G08G 1/166 for active traffic, e.g. moving vehicles, pedestrians, bikes

Abstract

A working vehicle perimeter monitoring system includes: a plurality of object detecting devices which are attached to a working vehicle and detect an object existing in a periphery of the working vehicle; and a controller which enables or disables of a generation of an alarm notifying an existence of the object based on a detection value of the object detecting device and a predetermined threshold value and sets the predetermined threshold value to be different inside and outside a predetermined region set in the periphery of the working vehicle based on an operation range of the working vehicle.

Claims

1. A working vehicle perimeter monitoring system comprising:

a plurality of object detecting devices which are attached to a working vehicle and detect an object existing in a periphery of the working vehicle; and

a controller which enables or disables a generation of an alarm notifying an existence of the object based on a detection value of at least one of the object detecting devices and a predetermined threshold value and sets the predetermined threshold value to be different inside and outside a predetermined region set in the periphery of the working vehicle based on an operation range of the working vehicle,

wherein the predetermined region is set based on at least a trace of a front corner portion of the working vehicle when the working vehicle turns at a minimum turning radius.

2. The working vehicle perimeter monitoring system according to claim 1,

wherein the controller generates the alarm at least when the detection value is equal to or larger than the predetermined threshold value, and the predetermined threshold value inside the predetermined region is smaller than the predetermined threshold value outside the predetermined region.

3. The working vehicle perimeter monitoring system according to claim 1,

wherein the predetermined region has a rectangular shape in a plan view.

4. The working vehicle perimeter monitoring system according to claim 3,

wherein the predetermined region has a rectangular shape in the plan view on at least one of a front side and a lateral side of the working vehicle or on both sides thereof.

5. A working vehicle comprising:

the working vehicle perimeter monitoring system according to claim 1.

6. A working vehicle perimeter monitoring system comprising:

a plurality of object detecting devices which are attached to a working vehicle and detect an object existing in a periphery of the working vehicle by a radar; and

a controller which generates an alarm at least when a detection value of at least one of the object detecting devices is equal to or larger than a predetermined threshold value,

wherein a predetermined region is set in a periphery of the working vehicle based on at least a minimum turning radius of the working vehicle and a trace of a front corner portion of the working vehicle, and the predetermined threshold value inside the predetermined region is smaller than the predetermined threshold value outside the predetermined region.