一种基于三轴传感器的跑步距离校正方法

• Format: Patent
• Language: Chinese
• Published: 04.10.2022
• Subjects: AMUSEMENTS; ANALOGOUS ARRANGEMENTS USING OTHER WAVES; APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING; BALL GAMES; CALCULATING; COMPUTING; COUNTING; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; ELECTRIC DIGITAL DATA PROCESSING; GAMES; GYROSCOPIC INSTRUMENTS; HUMAN NECESSITIES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SPORTS; SURVEYING; TESTING; TRAINING EQUIPMENT

本发明公开了一种基于三轴传感器的跑步距离校正方法，其包括：S1：在GPS定位异常期间，获取三轴传感器采集到的在用户跑步方向上的x轴加速度数据和z轴加速度数据；S2：将两个轴的加速度数据进行融合，得到合成轴数据；S3：对合成轴数据的波峰和波谷进行检测，得到步态周期；S4：根据每一步态周期内的合成轴数据计算得到第一特征值、第二特征值、第三特征值、第四特征值、第五特征值和第六特征值，组成特征向量；S5：将特征向量输入预先训练好的线性回归模型，得到步长预测值；S6：计算步长预测值与GPS定位异常期间的步态周期数量的乘积得到GPS定位异常期间的跑步距离。本发明能够提高跑步距离计算的准确率以及稳定性。 The invention discloses a running distance correction method based on a three-axis sensor. The running distance correction method based on the three-axis sensor comprises the following steps: S1, obtaining x-axis acceleration data and y-axis acceleration data in the running direction of the user collected by the three-axis sensor during the GPS positioning abnormality; S2, fusing the accelerationdata of the two axes to obtain synthetic axis data; S3, detecting wave crests and troughs of the synthetic axis data to obtain a gait period; S4, calculating a first characteristic value, a second characteristic value, a third characteristic value, a fourth characteristic value, a fifth characteristic value, and a sixth char