Step-counting device based on double-shaft MEMS gyroscope and implementation method

Abstract

The invention discloses a step-counting device based on a double-shaft MEMS gyroscope and an implementation method. The step-counting device comprises a test module and a display module, wherein the test module is used for sensing pedestrians' gaits, analyzing pedestrians' step numbers and walking states and then sending the step numbers and the walking states to the display module; and the display module is used for displaying in real time the pedestrians' step numbers and advancing tracks sent by the test module. The test module comprises an MEMS gyroscope for sensing the pedestrians' gaits, a CPU for analyzing the pedestrians' step numbers and the walking states and a wireless sending module for sending analysis information of the CPU to the display module. The display module comprises a wireless receiving module for receiving the information sent by the test module and an LCD for display the information. By utilizing the periodical lifting and falling characteristics of the feet of the pedestrians in the walking process, the MEMS gyroscope is used to sense angular velocity changes to perform step counting, the pedestrians' turning angles and directions are recognized through the rotation of the pedestrians, an algorithm is simple, the cost is low, steps are counted more accurately, and the step counting is achieved easily.

Description

technical field [0001] The invention belongs to the technical field of pedestrian navigation, and in particular relates to a step counting device and a realization method based on a biaxial MEMS gyroscope. Background technique [0002] The design idea of ​​the traditional pedometer device is to use the 3-axis accelerometer fixed on the waist, back and other parts of the human body to measure the acceleration signal when the pedestrian is walking, and then use the algorithm to sufficiently identify the standing period and the stepping period of the pedestrian walking, and at the same time realize the walking step. Counting steps using accelerometer sensors is the most commonly used technology at present, but due to the uncertainty of pedestrian walking patterns, high-precision sensors and complex software algorithms are needed to accurately detect the real steps in order to accurately realize step counting , put forward higher requirements on CPU and cost. This patent propos...

AI Technical Summary

Problems solved by technology

[0002] The design idea of ​​the traditional pedometer device is to use the 3-axis accelerometer fixed on the waist, back and other parts of the human body to measure the acceleration signal when the pedestrian is walking, and then use the algorithm to sufficiently identify the standing period and the stepping period of the pedestrian walking, and at the same time realize the walking step. Counting steps using accelerometer sensors is the most commonly used technology at present, but due to the uncertainty of pedestrian walking patterns, high-precision sensors and complex software algorithms are needed to accurately detect the real steps in order to accurately realize step counting , puts higher demands on CPU and cost

Images