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Finite element human body modeling method oriented to human body communications

A technology of human body communication and modeling method, which is applied in the field of human body communication to achieve the effect of low hardware system requirements and strong realizability

Inactive Publication Date: 2009-11-18
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0009] The main purpose of the present invention is to propose a finite element human body model modeling method oriented to human body communication in order to solve the software modeling problem of the human body required in the human body communication software simulation, which can form geometric characteristics similar to the real human body and The finite element human body software model of electromagnetic properties has broad application prospects in human body communication, bioelectromagnetics, biomedicine, etc.

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  • Finite element human body modeling method oriented to human body communications
  • Finite element human body modeling method oriented to human body communications
  • Finite element human body modeling method oriented to human body communications

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specific Embodiment approach

[0041]The invention is a finite element human body model modeling method oriented to human body communication. The specific implementation of this method is as follows:

[0042] The first step: According to the shape characteristics of each part of the human body, perform geometric abstraction on each part of the human body. The specific abstraction method includes: abstracting the human body into a geometric body composed of torso, limbs (arms, legs) and head. Among them, the torso is abstracted as an elliptical cylinder, the limbs are abstracted as a combination of a cylinder and a cone, and the head is abstracted as a combination of a cylinder and a hemisphere.

[0043] Step 2: Define the internal geometry of each part of the human body. Among them, the head is composed of skin, fat, muscle, bone and brain, and it is distributed in proportion from the outside to the inside; The proportion is evenly distributed; the limbs (arms, legs) are composed of skin, fat, muscle, bo...

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Abstract

The invention discloses a finite element human body modeling method oriented to human body communications, belonging to the technical field of human body communications. The method comprises the following steps: (1) performing geometrical abstraction to every part of a human body according to the shape properties of every part of the human body; (2) defining an inner geometrical structure of every part of the human body; (3) setting electromagnetic property parameters of stratum mediums in every part of the human body; (4) connecting every part of the human body to form a completed finite element model of human body. The finite element human body modeling method oriented to human body communications provided in the invention can form a finite element human body software model with the geometrical property and electromagnetic property which are similar to an authentic human body, and the finite element human body software model has significance to the study and application of the human body communication technology.

Description

technical field [0001] The invention relates to a human body communication-oriented finite element human body modeling method, which belongs to the technical field of human body communication. Background technique [0002] Intra-Body Communication (IBC, Intra-Body Communication) is a communication technology that uses the human body as a signal transmission medium. Its basic idea is: load the communication signal on the surface of human skin and transmit it in the human body. At the receiving end, the high-sensitivity receiver detects the weak electrical signal transmitted through the human body, thereby realizing data communication using the human body as the medium. Compared with the existing short-distance wireless communication technologies such as Bluetooth and Zigbee, the human body communication technology has the advantages of high-quality signal transmission, high transmission rate, high security, contact network access, and no communication bandwidth problems. , ...

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Application Information

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IPC IPC(8): G06F17/50
Inventor 宋勇佴威至杨光郝群杨佳苗
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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