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Method and device for monitoring chewing behavior

A behavior and attitude technology, applied in the field of real-time monitoring, can solve problems such as large data errors, unfavorable scientific research, and inability to collect data, so as to reduce recording errors and improve efficiency.

Active Publication Date: 2019-05-21
AGRI INFORMATION INST OF CAS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For the data collection of ruminants, it is often impossible to collect accurate data, and there are large errors in the data, which is very unfavorable for scientific research

Method used

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  • Method and device for monitoring chewing behavior
  • Method and device for monitoring chewing behavior
  • Method and device for monitoring chewing behavior

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0065] Such as figure 1 Shown is a flowchart of a chewing behavior monitoring method provided in a preferred embodiment of the present invention. The following will be figure 1 The specific process shown will be described in detail.

[0066] Step S101: Obtain a first pitch angle and a first offset angle collected by a first sensor installed on the upper jaw; acquire a second pitch angle and a second offset angle collected by a second sensor installed on the lower jaw.

[0067] The Euler angles corresponding to the first pitch angle and the first offset angle collected by the first sensor are the nutation angle and the precession angle. The first pitch angle is the angle of the pitch angle of the posture data of the upper jaw of the animal chewing (such as ruminant cattle); the first offset angle is the deviation angle of the posture data of the upper jaw when the animal is chewing; The up and down pitch angle and the left and right offset angle are respectively the second p...

no. 2 example

[0107] Such as image 3 Shown is a chewing behavior monitoring device provided in this embodiment. The monitoring device includes: an acquiring unit, a first judging unit, a second judging unit and a third judging unit.

[0108] The acquisition unit 210 is configured to acquire posture data of the upper and lower jaws of an animal (such as a ruminant, a cow), including first posture data and second posture data. Wherein, the first attitude data is used to indicate the degree of opening of the upper and lower jaws of the mouth, which can be obtained by calculating the pitch angle difference between the upper and lower jaws; the second attitude data is used to indicate the degree of left-right misalignment of the upper and lower jaws of the mouth, which can be obtained by calculating the difference between the upper and lower jaws. The difference of the offset angle is obtained;

[0109] The first judging unit 220 is used to judge whether a plurality of the Whether the maximu...

no. 3 example

[0114] Such as Figure 4 As shown, in this embodiment, the chewing behavior monitoring device 100 includes a microcontroller 110 , a first sensor 120 and a second sensor 130 .

[0115] Preferably, the microcontroller 110 is coupled to the first sensor 120 and the second sensor 130 respectively. The two sensors can be six-axis attitude sensors, and the microcontroller can integrate the function of transmitting wireless signals to transmit data. Such as Figure 5 As shown, in this embodiment, the first sensor 120 is installed on the upper jaw of the animal for collecting the first pitch angle and the first deflection angle at the upper jaw; the second sensor 130 is installed at the lower jaw for collecting the first pitch angle at the lower jaw. Two pitch angles and the second offset angle; the microcontroller 110 is used for collecting the first pitch angle and the first offset angle and the second pitch angle and the second sensor 130 acquisition according to the first senso...

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Abstract

The embodiment of the invention provides a chewing behaviour monitoring method and a chewing behaviour monitoring device. The chewing behaviour monitoring method comprises the following steps: acquiring a plurality of first attitude data which are used for expressing the opening degree of the upper jaw and the lower jaw of a mouth and a plurality of second attitude data which are used for expressing the left and right dislocation degree of the upper jaw and the lower jaw of the mouth in a current chewing period; judging whether the maximum value of the change values of the second attitude data is greater than a first threshold value in a time period from the initial moment to a first moment corresponding to the maximum value of the first attitude data in the period; if so, judging whether the maximum value of the change values of the first attitude data is greater than a second threshold value in a time period from a second moment corresponding to the maximum value of the second attitude data to a third moment corresponding to the minimum value of the second attitude data in the period; if so, determining that a chewing behaviour happens. The upper and lower opening and closing and the left and right dislocation of the activities of the mouth of an animal are directly represented by using the first attitude data and the second attitude data; whether ruminating or chewing of the animal happens can be recorded directly, effectively, accurately, conveniently and highly efficiently.

Description

technical field [0001] The invention relates to the field of real-time monitoring, in particular to a chewing behavior monitoring method and device. Background technique [0002] Livestock farming today is often done on a large scale. Due to this situation, it is very difficult for the handlers to manage the health of each individual animal. For ruminants, the stable state of ruminant often can indirectly reflect the health status of animals. Animal breeding in traditional livestock farms is to determine the health status of animals through observation of animals. This method is generally very time-consuming and energy-consuming, and the cost is high, and the efficiency is extremely low. Often, the individual with the disease is found with hindsight, and the disease may have spread in the group. Timely treatment of diseased animals is unfavorable, and it is likely to miss the best treatment time for diseased individuals. Cause irreparable economic loss to related breeder...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/11
CPCA61B5/11
Inventor 王文生陈桂鹏郭雷风王曦光
Owner AGRI INFORMATION INST OF CAS
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