Position detection system
阅读说明：本技术 位置检测系统 (Position detection system ) 是由 林田高志 西尾美纪 松下浩延 福原佑树 栂野刚志 于 2017-06-28 设计创作，主要内容包括：本发明的位置检测系统包括：振动检测部(1)，其安装于移动体(12)，进行振动的检测，并发送具有表示所检测到的振动的振动信息和识别信息的信号；发送机(2)，其装于移动体(12)，定期发送具有识别信息的信号；多个接收机(3)，其接收信号；识别部(402)，其根据接收机(3)所接收到的信号所具有的识别信息来识别该信号的发送源；位置检测部(403)，其根据接收机(3)所接收到的信号的接收强度和识别部(402)的识别结果来检测该信号的发送源即发送机(2)位置；以及作业状态检测部(404)，其根据接收机(3)所接收到的信号所具有的振动信息、识别部(402)的识别结果及位置检测部(403)的检测结果，来检测针对安装有该信号的发送源即振动检测部(1)的移动体(12)或放置于移动体(12)的作业对象物(11)的作业状态。(The position detection system of the present invention includes: a vibration detection unit (1) that is attached to a mobile body (12), detects vibration, and transmits a signal having vibration information indicating the detected vibration and identification information; a transmitter (2) which is attached to a mobile body (12) and periodically transmits a signal having identification information; a plurality of receivers (3) that receive signals; an identification unit (402) that identifies the transmission source of a signal received by the receiver (3) on the basis of identification information included in the signal; a position detection unit (403) for detecting the position of the transmitter (2) which is the transmission source of the signal, on the basis of the reception intensity of the signal received by the receiver (3) and the identification result of the identification unit (402); and a working state detection unit (404) that detects the working state of the mobile body (12) to which the vibration detection unit (1), which is the source of the signal, is attached or the working object (11) placed on the mobile body (12), on the basis of the vibration information contained in the signal received by the receiver (3), the recognition result of the recognition unit (402), and the detection result of the position detection unit (403).)
1. A position detection system, comprising:
a vibration detection unit that is attached to a moving body on which a work object is placed, detects vibration, and transmits a signal having vibration information indicating the detected vibration and identification information;
a transmitter that is attached to the mobile body and periodically transmits a signal having identification information;
a plurality of receivers that receive signals;
an identification unit that identifies a transmission source of the signal received by the receiver, based on identification information included in the signal;
a position detection unit that detects a position of the transmitter, which is a transmission source of the signal, based on a reception intensity of the signal received by the receiver and the identification result obtained by the identification unit; and
and a working state detection unit that detects a working state with respect to the mobile body to which the vibration detection unit, which is a transmission source of the signal, is attached or the working object placed on the mobile body, based on vibration information included in the signal received by the receiver, the recognition result obtained by the recognition unit, and the detection result obtained by the position detection unit.
2. A position detection system, comprising:
a vibration detection unit that is attached to a moving body on which a work object is placed, detects vibration, and transmits a signal having vibration information indicating the detected vibration and identification information;
a sheet-like uneven portion disposed on a ground surface on which the mobile body moves;
a receiver that receives a signal;
an identification unit that identifies a transmission source of the signal received by the receiver, based on identification information included in the signal;
a position detection unit that detects a position of the vibration detection unit, which is a transmission source of the signal, based on vibration information included in the signal received by the receiver and the identification result obtained by the identification unit; and
and a working state detection unit that detects a working state with respect to the mobile body to which the vibration detection unit, which is a transmission source of the signal, is attached or the working object placed on the mobile body, based on vibration information included in the signal received by the receiver, the recognition result obtained by the recognition unit, and the detection result obtained by the position detection unit.
3. The position detection system of claim 2,
the position detection unit performs machine learning of a vibration pattern in advance based on the vibration detected by the vibration detection unit when the mobile body moves on the concave-convex portion.
4. The position detection system according to any one of claims 1 to 3, characterized by comprising:
a plurality of 2 nd vibration detection units that are attached to the work object, detect vibration, and transmit a signal having vibration information indicating the detected vibration and identification information; and
and a working position determination unit that determines whether or not a working position of the working object with respect to the 2 nd vibration detection unit, which is a transmission source of the signal, is correct, based on vibration information included in the signal received by the receiver, the recognition result obtained by the recognition unit, and the detection result obtained by the position detection unit.
5. The position detection system of claim 4,
the working position determination unit performs machine learning of a vibration pattern in advance based on the vibration detected by the 2 nd vibration detection unit when a work is performed at a correct working position and when a work is performed at an incorrect working position.
Technical Field
The present invention relates to a position detection system for detecting a position of a moving body on which a work object is placed and a work state of the moving body or the work object placed on the moving body.
Background
Conventionally, as a device for detecting the position of an operator, for example, a device disclosed in
Disclosure of Invention
Technical problem to be solved by the invention
However, the device disclosed in
The present invention has been made to solve the above-described problems, and an object thereof is to provide a position detection system capable of detecting a work state without imposing a burden on an operator.
Technical scheme for solving technical problem
The position detection system according to the present invention is characterized by comprising: a vibration detection unit that is attached to a moving body on which a work object is placed, detects vibration, and transmits a signal having vibration information indicating the detected vibration and identification information; a transmitter that is attached to a mobile body and periodically transmits a signal having identification information; a plurality of receivers that receive signals; an identification unit that identifies a transmission source of a signal received by the receiver, based on identification information included in the signal; a position detection unit that detects the position of the transmitter, which is the transmission source of the signal, based on the reception intensity of the signal received by the receiver and the identification result obtained by the identification unit; and a working state detection unit that detects a working state with respect to a moving body to which the vibration detection unit that is a transmission source of the signal is attached or a working object placed on the moving body, based on the vibration information included in the signal received by the receiver, the recognition result obtained by the recognition unit, and the detection result obtained by the position detection unit.
Effects of the invention
According to the present invention, since the structure is as described above, the work state can be detected without imposing a burden on the operator.
Drawings
Fig. 1 is a diagram showing a configuration example of a position detection system according to
Fig. 2 is a diagram showing a configuration example of a control device in
Fig. 3 is a diagram showing a configuration example of a production site to which the position detection system according to
Fig. 4 is a flowchart showing an example of the operation of the position detection system according to
Fig. 5 is a diagram showing an example of a reception result of the receiver according to
Fig. 6 is a diagram showing an operation example of the position detection system according to
Fig. 7 is a diagram for explaining a case where the operation state is detected based on the vibration pattern in the position detection system according to
Fig. 8 is a diagram for explaining a case where the operation state is detected based on the vibration pattern in the position detection system according to
Fig. 9 is a diagram for explaining a case where the operation state is detected based on the vibration pattern in the position detection system according to
Fig. 10 is a diagram showing a configuration example of a transmission side in the position detection system according to
Fig. 11 is a diagram showing a configuration example of a control device in
Fig. 12 is a flowchart showing an example of the operation of the position detection system according to
Fig. 13 is a diagram showing a configuration example of a transmission side in the position detection system according to
Fig. 14 is a diagram showing a configuration example of a control device in
Fig. 15A and 15B are diagrams showing examples of hardware configurations of the control device according to
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the drawings.