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Synchronous sampling method and device for multiple groups of inertial sensors

An inertial sensor and synchronous sampling technology, which is applied in the direction of navigation through speed/acceleration measurement, can solve problems such as inconsistent startup time, models that cannot do high-speed movement, and fine guessing and errors

Pending Publication Date: 2022-05-06
GUANGZHOU HUANTEK CO LTD +1
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Problems solved by technology

[0003] However, since the time source of each inertial motion capture sensor is independent, and the start-up time is not uniform, the data sampled by the inertial motion capture sensor is not recorded at the same time, which brings a difference between the motion model that depicts the human skeleton and the actual The error of the human body motion model makes the model output by the wireless communication inertial motion capture system unable to perform high-speed motion and fine speculation

Method used

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  • Synchronous sampling method and device for multiple groups of inertial sensors

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Embodiment Construction

[0050] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0051] refer to figure 1 , shows a flow chart of the steps of Embodiment 1 of a synchronous sampling method for multiple sets of inertial sensors of the present invention, the method involves a switch circuit, a pulse generation circuit, and a signal transmission circuit, and the switch circuit and the pulse generation circuit connected, the pulse generating circuit is connected with the signal transmission circuit, and the signal transmission circuit is connected with the multiple sets of inertial sensors, which may specifically include the following steps:

[0052] Step 101, the switch circuit receives a circuit switching signal;

[0053] The switch circuit is connected with various functional circuits, and when receiving vario...

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Abstract

The embodiment of the invention provides a synchronous sampling method and device for multiple groups of inertial sensors. The method comprises the steps that in the embodiment of the invention, the switching circuit receives a circuit switching signal, the switching circuit conducts the pulse generation circuit, and the pulse generation circuit generates and sends a synchronous pulse signal to the signal transmission circuit; the signal transmission circuit transmits the synchronous pulse signals to the multiple sets of inertial sensors, the multiple sets of inertial sensors conduct synchronous sampling according to the synchronous pulse signals, the multiple sets of inertial sensors can synchronously grab data, and therefore an established virtual motion model better conforms to actual motion.

Description

technical field [0001] The invention relates to the technical field, in particular to a synchronous sampling method and device for multiple sets of inertial sensors. Background technique [0002] The wireless communication inertial motion capture system records the motion data of multiple human joints by wearing independent inertial motion capture sensors on multiple joints of the human body, transmits the data wirelessly, and performs unified calculations on the computer, finally rendering the A virtual motion model of the human skeleton. [0003] However, since the time source of each inertial motion capture sensor is independent, and the start-up time is not uniform, the data sampled by the inertial motion capture sensor is not recorded at the same time, which brings a difference between the motion model that depicts the human skeleton and the actual The error of the human body motion model makes it impossible for the model output by the wireless communication inertial m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/16
CPCG01C21/16
Inventor 黄昌正周言明陈曦伍景生
Owner GUANGZHOU HUANTEK CO LTD
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