233 results about "Step count" patented technology

The invention, relating to the field of wireless positioning and inertial navigation, provides an inertial navigation system based on a smart phone and a method thereof. The method is characterized by designing a step count algorithm based on a limit state machine to calculate the steps of a person and acquire the beginning and ending time stamps of each step, and calculating the direction change of each step of the person according to the data read by a three-axis gyroscope and the beginning and ending time stamps of each step; according to different accelerated speeds generated by people having different step sizes, estimating the step size of the person; then according to the coordinate of the starting point of the path and by combining the step size and the direction change, calculating the coordinate of each step relative to the starting point of the path; and acquiring the movement track of the person by the coordinate of each step relative to the starting point of the path. According to the invention, high precision of inertial navigation can be achieved with no need for a high precision expensive inertia sensor, the accuracy is high, the practicality is strong, the versatility is wide, and the cost is low.

A game system includes a plurality of pedometers. The plurality of step count data respectively counted by the plurality of pedometers are acquired in the game apparatus. In the game apparatus, by utilizing the plurality of step count data, a predetermined arithmetic operation is executed, and the result of the arithmetic operation is reflected on the game. Alternatively, in a server, a predetermined arithmetic operation is executed by utilizing the plurality of step count data, and the result of the arithmetic operation is reflected on the game in the game apparatus. For example, game processing depending on the number of players walking in the same time slot is executed, or game processing according to the totalized value of the accumulated total step count values of the plurality of pedometers is executed.

The invention provides an automatic calibration method of a stepping motor. The automatic calibration method includes: acquiring an actual step count value when a probe reaches a central point of a constant speed area within a current period; on the basis of the actual step count value and preset step number, acquiring step number errors caused by step loss of the stepping motor in an acceleration area and overshoot in a deceleration area within the current period; adopting the step number errors for step number compensation in a next period. By the automatic calibration method, the problem of angle deviation of the stepping motor without a coded disc in the process of quick rotating can be solved, movement position of the probe in the constant speed area can be ensured to be consistent with expectation, the probe can be maintained to collect images in a preset area without angle deviation, and speed of the stepping motor in the constant speed area can be improved while movement accuracy of the probe in the constant speed area is guaranteed.

Provided is a step assist device including a first phase angle modifying section that, according to repetition of the step movement, modifies in a staged manner the phase angle input thereto, based on a predetermined phase change pattern, such that a phase pattern of the phase angle approaches a straight line relative to the passage of time, and outputs the modified phase angle as a first modified phase angle. The control section acquires a target value based on a continuous change pattern of the auxiliary force set in advance for at least one of the first modified phase angle and a prescribed phase angle, and controls the providing section according to the target value.

The invention discloses an electric pedometer based on approaching type sensing, and relates to an electric step count set for counting a user's walking steps, in particular to an electric step count set based on approaching type sensing. The electric pedometer aims to enhance the user's enthusiasm to walking exercise and improve the user's health conditions. The technical scheme includes that distance of hands swing or legs intersection can change corresponding to chest or the other leg when people walk; distance change between hands or legs in walking can trigger the pedometer to count, store and display relative data when the user puts an approaching sensor at wrist or legs; data can be transmitted to a terminal to be further processed; and when the user permits, the data can be shared through Internet to acquire better fitness suggestions and encourages so as to enhance the users' fitness-keeping enthusiasm.

The invention discloses a step-counting interference removal method and device. The method comprises the following steps: acquiring a sampling data segment obtained through an acceleration sensor in a sampling manner, and acquiring n extreme points in the sampling data segment, wherein the extreme points comprise peak points and trough points; judging whether a difference value between amplitudes of the maximum peak point and the minimum trough point in the a extreme points is less than a step-counting threshold or not, wherein a is less than n; if the difference value is greater than or equal to the step-counting threshold, judging whether a difference value between the maximum peak point amplitude and a gravity acceleration is less than a first threshold in the neighborhood of the ith peak point, if the difference value between the maximum peak point amplitude and the gravity acceleration is less than the first threshold, determining that the peak point in the neighborhood of the ith peak point is an interference point, removing the peak point and the trough point in the neighborhood of the ith peak point, and counting the rest of the peak points to obtain counted steps.

The invention discloses a method, an apparatus and a system for preventing cheat during step count. The method comprises the following steps: acquiring amount of steps collected by accumulation of a step counting sensor in an intelligent wearable device; counting collected step number at every preset time interval, calculating difference values between adjacent two counted step numbers, and obtaining a step increment in each preset time interval; determining whether step counting is suspected to be cheated according to the step increment in each preset time interval, if step counting is suspected to be cheated, acquiring heart rate data collected by a heart rate sensor in the intelligent wearable device, and confirming whether the step counting is really cheated according to heart rate data. The method fills the blank for preventing users cheating in the aspect of step count in the prior art, provides a real sports rank; prevents deviation appeared in evaluation of user health state due to step count data errors; and prevents improper incomes obtained by cheating in step count matches which causes losing match meanings.

The invention discloses a step counting method based on a micromechanical gyroscope. A reference coordinate system is established with the center of the human body as a coordinate original point, theZ axis points to the vertical direction, the X axis points to the forward direction of a person, the Y axis points to the left side, and the right-hand rule is accorded with; the micromechanical gyroscope is placed on the thigh of a pedestrian, and a sensitive shaft of the micromechanical gyroscope is parallel to the Y axis; the movement state of the pedestrian is determined by detecting whether or not the micromechanical gyroscope has periodic output, and the number of walking steps of the pedestrian is calculated. The step counting method based on the micromechanical gyroscope is complete infunction and easy to implement, has an obvious effect and can replace a commonly-used step counting method based on an accelerometer; the method is applied to a navigation positioning system, the accelerometer special for step counting can be omitted, and the method has a great significance on simplifying the system and saving the cost.

The present invention related to the area of lifestyle devices, particularly to pedometers used for exercise tracking. This invention aims at accurate recording of steps, speeds, distances, type of motion (walk and run) and calories expenditure, independently of the personal characteristics (age, gender, weight and height). The invention uses sub-band decomposition filters that produce non-distorted sine wave regardless of personal traits and the type of walking or running. Low-complexity zero-crossing step detection is subsequently applied, and the step length and energy expenditure information is then extracted. The method for goals tracking is included for independent types of goals: steps, energy, distance and duration.

The invention belongs to the technical field of communication and electrons, and discloses a step counting method based on a mobile terminal. The step counting method includes the steps that when it is detected that the mobile terminal is powered on, a pedometer is started, a monitoring module is started, step counting data of the pedometer is obtained through the monitoring module in real time, and when it is detected that the step counting data of a step counting database needs to be updated, the newest step counting data obtained through the monitoring module is sent to the step counting database. According to the step counting method and device based on the mobile terminal, and after it is detected that the mobile terminal is powered on, the pedometer internally arranged in the mobile terminal is automatically opened in the background; meanwhile, the monitoring module is started to monitor the pedometer at any time, and when the updating request of the step counting database is detected, the monitored newest step counting data is sent to the step counting database. By means of the embodiment of the step counting method and device, the problems that the pedometer is used when WeChat sport is not opened, or as the problem of the WeChat sport appears, the step counting data is not increased are solved.

Partial optimization systems and methods of wavelengths or spectrum in an optical network include, based on current services in the optical network each having a route and wavelength assignment and based on a ratio of services that can be changed in the partial optimization, preforming a first stage optimization to determine which of the current services are changed for one or more of the route and the wavelength assignment to attain a reduction of a number of wavelengths; performing a second stage optimization to determine an order of implementing changes from the first stage optimization that with the order minimizing one or more of conflicts and step counts; and causing implementation of the changes in the optical network.

The invention discloses a software step counting method based on mobile phone acceleration and distance sensors and belongs to the field of electronic application. The step counting method is fused with the data of the mobile phone accelerator and the distance sensor; the accelerator sensor is used for performing human tread characteristic analysis; the distance sensor is used for judging the position of a mobile phone. The core idea is that the triaxial acceleration data is pretreated, and then the pseudo wave crest is filtered through a peak threshold value and a time threshold value and the step counting is realized through the residual effective wave crest. According to the method, the distance sensor data is introduced for improving the problem of low accuracy of step counting of people by holding the mobile phone, and the peak threshold value and the time threshold value are introduced for promoting the anti-interference capacity of people in non-step counting scenes, such as taking a bus, and reducing the mistaken step counting. The software step counting method is free from a complex filtering manner, the counted step number is outputted in real time under the condition of guaranteeing the step counting precision and the power consumption of the step counting is reduced.

The invention provides a motion state recognition method and system based on a three-axis accelerometer, which comprise a self learning stage and a practical application stage. The self learning stagecomprises the following steps: S10, acceleration data in the motion state of a person are acquired through the three-axis accelerometer; S20, the acquired acceleration data are subjected to motion type marking and signal processing; S30, an axis for data analysis is selected according to an x, y and z coordinate system of the three-axis accelerometer, and the axis for data analysis is subjected to feature extraction; and S40, the extracted features and the corresponding motion type mark are applied to a classifier to train a learning model. The practical application stage comprises the following step: S50, the three-axis accelerometer acquires the user data, steps S20 and S30 are repeated, the extracted features are inputted to the learning model, and a motion state recognition result anda step count result are obtained. The motion type of the user can be recognized, the step count can be calculated, and the accuracy is high.