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Network pedometer based on Bluetooth and step calculation method

A pedometer and network technology, applied in the direction of instruments, short-distance communication services, measuring devices, etc., can solve the problems of missed judgment and misjudgment of identification methods, so as to ensure accuracy, filter out interference signals, and facilitate storage and analysis Effect

Active Publication Date: 2014-03-05
SHANDONG COMP SCI CENTNAT SUPERCOMP CENT IN JINAN
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AI Technical Summary

Problems solved by technology

This effective step identification method also has the disadvantages of misjudgment and missed judgment.

Method used

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  • Network pedometer based on Bluetooth and step calculation method
  • Network pedometer based on Bluetooth and step calculation method
  • Network pedometer based on Bluetooth and step calculation method

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the drawings and embodiments.

[0024] Such as figure 1 As shown, the circuit schematic diagram and working principle diagram of the Bluetooth-based network pedometer of the present invention are given. The network pedometer shown is composed of a three-axis acceleration sensor, a microcontroller, and a Bluetooth sending module. The three-axis acceleration Both the sensor and the Bluetooth sending module are connected to the microcontroller. After the user wears the three-axis acceleration sensor, the user can measure the acceleration in three mutually perpendicular directions, such as Figure 5 As shown, suppose the output acceleration is X-axis acceleration, Y-axis acceleration and Z-axis acceleration respectively. The microcontroller collects and calculates the input acceleration data to determine whether the user is taking steps effectively; the microcontroller can upload the calculated number of...

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Abstract

The invention relates to a network pedometer based on Bluetooth. The network pedometer comprises a microcontroller, and is characterized in that an input terminal of the microcontroller is connected with a three-axis acceleration sensor, the microcontroller is connected with a Bluetooth sending module, and the network pedometer sends step calculation data to an intelligent terminal through the Bluetooth sending module. A step calculation method provided by the invention comprises the following steps: (a) collecting acceleration magnitudes; (b) selecting a calculating datum axis; (c) enabling digital filtering to be real-time; (d) storing acceleration values; (e) calculating real-time dynamic thresholds; (f) judging that whether acceleration changes are greater than predefined accuracy or not; (g) judging that whether acceleration is greater than the dynamic thresholds or not; (h) judging that whether the slope of an acceleration curve is positive or not. According to the network pedometer and the step calculation method provided by the invention, the axis with the largest average value is selected as the calculating datum axis, so that the accuracy of step forwarding judgment is ensured. By judging that whether the predefined precision, the dynamic thresholds and the slope of the acceleration curve are positive or not, the accuracy of step judgment is ensured.

Description

Technical field [0001] The invention relates to a Bluetooth-based network pedometer and a step counting method, and more specifically, to a Bluetooth-based network pedometer and a step counter that can effectively and accurately determine the effective steps taken by a user Step method. Background technique [0002] In recent years, pedometers have become more and more popular among people. It can not only inspire people to challenge themselves, but also help people strengthen their physical fitness and lose weight. Bluetooth technology (Bluetooth), as a short-range wireless communication technology, successfully simplified notebooks [0003] The communication between mobile communication terminal devices such as computers, PADs and mobile phones and the Internet makes the data transmission between the communication devices and the Internet more rapid and efficient, and Bluetooth 4.0 provides a low-cost, low-power, Short-distance wireless communication technology has greatly pro...

Claims

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Application Information

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IPC IPC(8): G01C22/00H04B5/00
CPCG01C22/006H04W4/80
Inventor 唐梅玉舒明雷孔祥龙杨明陈长芳刘瑞霞魏诺许继勇
Owner SHANDONG COMP SCI CENTNAT SUPERCOMP CENT IN JINAN
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