CN105975753A - Method for calculating moving speed of user and mobile terminal - Google Patents
Method for calculating moving speed of user and mobile terminal Download PDFInfo
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- CN105975753A CN105975753A CN201610278396.5A CN201610278396A CN105975753A CN 105975753 A CN105975753 A CN 105975753A CN 201610278396 A CN201610278396 A CN 201610278396A CN 105975753 A CN105975753 A CN 105975753A
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
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Abstract
The invention discloses a method for calculating a moving speed of a user and a mobile terminal. The method for calculating the moving speed of the user comprises the following steps of obtaining a leg length of the user as well as a maximum included angle between a front leg and a vertical direction, and a maximum included angle between a back leg and the vertical direction during walking of the user; calculating a step length of the user according to the leg length of the user, the maximum included angle between the front leg and the vertical direction, and the maximum included angle between the back leg and the vertical direction; obtaining moving time of the user moving for a preset step number; and calculating the moving speed of the user according to the step length, the preset step number and the moving time. According to the technical scheme provided by the method, the real-time moving speed of the user can be accurately calculated by obtaining the step length of the user and the time of moving for the preset step number, thereby greatly improving the satisfaction of the user.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a mobile terminal for calculating a moving speed of a user.
Background
Mobile phones have become indispensable personal belongings, and with the development of technologies such as mobile phone networks, sensors, processors and the like, mobile phones can help people to do more and more things. Location, speed and time based detection and calculation are among the aspects, such as mapping services, taxi taking services, step counting functions, etc. With the popularity of these functions, it is not a new thing for many people. After the equipment meets the requirements of people on functions, longitudinal optimization is needed, and the equipment is developed towards a better and more accurate direction.
The map and navigation applications in the market at present cannot provide accurate speed and time in real time for the user to reach the destination by walking, and the time taken for the user to reach the destination by measuring the distance and calculating the average speed of the user by walking cannot be accurately calculated.
Disclosure of Invention
The invention mainly aims to provide a method for calculating the moving speed of a user, aiming at accurately calculating the moving speed of the user.
In order to achieve the above object, the method for calculating the moving speed of the user provided by the present invention comprises the following steps:
acquiring the leg length of a user, the maximum included angle between the front leg and the vertical direction and the maximum included angle between the rear leg and the vertical direction when the user walks;
calculating the step length of the user according to the leg length of the user, the maximum included angle between the front leg and the vertical direction and the maximum included angle between the rear leg and the vertical direction;
acquiring the moving time of a user for moving a preset number of steps;
and calculating the moving speed of the user according to the step length, the preset step number and the moving time.
Optionally, the specific steps of obtaining the leg length of the user, the maximum included angle between the front leg and the vertical direction when the user walks, and the maximum included angle between the rear leg and the vertical direction include:
measuring data ergonomically based on height and gender information input by a userIn the tableInquiring the leg length of the user;
when vibration generated by the falling of the front legs of the user is detected, judging that the included angle between the front legs and the vertical direction is the largest, and acquiring the included angle;
when the vibration generated when the back legs of the user lift off the ground is detected, the included angle between the back legs and the vertical direction is judged to be the largest, and the included angle is obtained.
Optionally, the step length of the user is calculated by:
calculating the step length S of the user according to a formula S ═ (sin alpha + sin beta) × a;
wherein a is the ergonomically measured data according to the sex and height information inputted by the userIn the tableThe leg length of the user is inquired, α is the maximum included angle between the front leg and the vertical direction when the user walks, and β is the maximum included angle between the rear leg and the vertical direction when the user walks.
Optionally, when it is detected that the user stands upright and an included angle exists between the mobile terminal and the vertical direction, the specific step of calculating the step length of the user includes:
calculating a step length S of the user according to a formula S ═ sin (alpha + theta) + sin (beta-theta) ]. a;
wherein a is the ergonomically measured data according to the sex and height information inputted by the userIn the tableThe leg length of the user is inquired, α is the maximum included angle between the front leg and the vertical direction when the user walks, β is the maximum included angle between the rear leg and the vertical direction when the user walks, and theta is the included angle between the mobile terminal and the vertical direction when the user stands upright.
Optionally, when the front leg falling to the ground and the rear leg falling to the ground are detected and the mobile terminal generates a vibration angle, the specific step of calculating the step length of the user includes:
according to the formula S ═ sin (α + theta + -delta theta1)+sin(β-θ±Δθ2)]A, calculating the step length S of the user;
wherein a is the ergonomically measured data according to the sex and height information inputted by the userIn the tableInquiring the leg length of the user, α representing the maximum included angle between the front leg and the vertical direction when the user walks, β representing the maximum included angle between the rear leg and the vertical direction when the user walks, theta representing the included angle between the mobile terminal and the vertical direction when the user stands upright, and delta theta representing the included angle between the mobile terminal and the vertical direction when the user stands upright1The vibration angle of the mobile terminal is the maximum included angle between the front leg and the vertical direction; delta theta2The vibration angle of the mobile terminal is the maximum included angle between the rear leg and the vertical direction.
The invention also provides a mobile terminal, which comprises an acquisition module and a calculation module; wherein,
the acquisition module is used for acquiring the leg length of a user, the maximum included angle between the front leg and the vertical direction, the maximum included angle between the rear leg and the vertical direction and the movement time of moving a preset number of steps when the user walks;
the calculation module is used for calculating the step length of the user according to the leg length of the user, the maximum included angle between the front leg and the vertical direction and the maximum included angle between the rear leg and the vertical direction, and calculating the moving speed of the user according to the step length, the preset step number and the moving time.
Optionally, the obtaining module is specifically configured to measure data in ergonomics according to height and gender information input by a userIn the tableInquiring the leg length of the user;
the acquisition module is further used for judging that the included angle between the front leg and the vertical direction is the largest when the vibration generated by the falling of the front leg of the user is detected, and acquiring the included angle;
the acquisition module is further used for judging that the included angle between the rear leg and the vertical direction is the largest when the vibration generated when the rear leg of the user is lifted off the ground is detected, and acquiring the included angle.
Optionally, the calculating module is specifically configured to calculate a step length S of the user according to a formula S ═ S (sin α + sin β) × a;
wherein a is the ergonomically measured data according to the sex and height information inputted by the userIn the tableThe leg length of the user is inquired, α is the maximum included angle between the front leg and the vertical direction when the user walks, and β is the maximum included angle between the rear leg and the vertical direction when the user walks.
Optionally, the calculating module is specifically configured to, when it is detected that the user stands upright and an included angle exists between the mobile terminal and the vertical direction, calculate a step length S of the user according to a formula S ═ sin (α + θ) + sin (β - θ) ] × a;
wherein a is gender input according to the userWith height information, in ergonomically measured dataIn the tableThe leg length of the user is inquired, α is the maximum included angle between the front leg and the vertical direction when the user walks, β is the maximum included angle between the rear leg and the vertical direction when the user walks, and theta is the included angle between the mobile terminal and the vertical direction when the user stands upright.
Optionally, the calculation module is specifically configured to, when the front leg falls to the ground and the rear leg falls to the ground and the mobile terminal generates a vibration angle, generate [ sin (α + θ ± Δ θ) ] according to a formula S1)+sin(β-θ±Δθ2)]A, calculating the step length S of the user;
wherein a is the ergonomically measured data according to the sex and height information inputted by the userIn the tableInquiring the leg length of the user, α representing the maximum included angle between the front leg and the vertical direction when the user walks, β representing the maximum included angle between the rear leg and the vertical direction when the user walks, theta representing the included angle between the mobile terminal and the vertical direction when the user stands upright, and delta theta representing the included angle between the mobile terminal and the vertical direction when the user stands upright1The vibration angle of the mobile terminal is the maximum included angle between the front leg and the vertical direction; delta theta2The vibration angle of the mobile terminal is the maximum included angle between the rear leg and the vertical direction.
According to the technical scheme, the real-time moving speed of the user can be accurately calculated by obtaining the step length of the user and the time for moving the preset step number, and the satisfaction degree of the user is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following descriptions of the embodiments or the prior art will be required to useDrawingsBy way of brief introduction, it will be apparent from the following descriptionDrawingsIt is only some embodiments of the invention, which can be used by those skilled in the art without inventive stepAttached drawingsThe obtained structure obtains otherDrawings。
Drawing (A) 1Hardware structure schematic of optional mobile terminal for implementing various embodiments of the present inventionDrawing (A)；
Drawing (A)
2
Is composed of
Such as
Drawing (A)
1
Wireless communication system schematic of a mobile terminal as shown
Drawing (A)
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Drawing (A) 3Flow of an embodiment of the method for calculating the moving speed of the user according to the present inventionDrawing (A)；
Drawing (A) 4For indicating walking state of userDrawing (A)；
Drawing (A) 5Is a module schematic of an embodiment of the mobile terminal of the present inventionDrawing (A)；
Drawing (A) 6Process for calculating the moving speed of a user according to another embodiment of the present inventionDrawing (A)；
Drawing (A) 7Is a module schematic of another embodiment of the mobile terminal of the present inventionDrawing (A)。
Implementation of the objects, functional features and advantages of the invention will be apparent from the description of the embodimentsDrawingsFor further explanation.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Reference will now be made toDrawingsA mobile terminal implementing various embodiments of the present invention is described. In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
The mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
Drawing (A) 1Hardware structure schematic of optional mobile terminal for implementing various embodiments of the present inventionDrawing (A)。
The mobile terminal 100 may include a wireless communication unit 110, an a/V (audio/video) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190, etc.Drawing (A) 1A mobile terminal is shown having various components, but it is understood that not all of the illustrated components are required to be implemented. More or fewer components may alternatively be implemented. Elements of the mobile terminal will be described in detail below.
The wireless communication unit 110 typically includes one or more components that allow radio communication between the mobile terminal 100 and a wireless communication system or network. For example, the wireless communication unit 110 may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.
The broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel. The broadcast channel may include a satellite channel and/or a terrestrial channel. The broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to a terminal. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like. Also, the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal. The broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112. The broadcast signal may exist in various forms, for example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB), an Electronic Service Guide (ESG) of digital video broadcasting-handheld (DVB-H), and the like. The broadcast receiving module 111 may receive a signal broadcast by using various types of broadcasting systems. In particular, the broadcast receiving module 111 may receive digital broadcasting by using a digital broadcasting system such as a digital broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video broadcasting-handheld (DVB-H), a data broadcasting system of forward link media (MediaFLO), a terrestrial digital broadcasting integrated service (ISDB-T), and the like. The broadcast receiving module 111 may be constructed to be suitable for various broadcasting systems that provide broadcast signals as well as the above-mentioned digital broadcasting systems. The broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage medium).
The mobile communication module 112 transmits and/or receives radio signals to and/or from at least one of a base station (e.g., access point, node B, etc.), an external terminal, and a server. Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received according to text and/or multimedia messages.
The wireless internet module 113 supports wireless internet access of the mobile terminal. The module may be internally or externally coupled to the terminal. The wireless internet access technology to which the module relates may include WLAN (wireless LAN) (Wi-Fi), Wibro (wireless broadband), Wimax (worldwide interoperability for microwave access), HSDPA (high speed downlink packet access), and the like.
The short-range communication module 114 is a module for supporting short-range communication. Some examples of short-range communication technologies include bluetooth (TM), Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), zigbee (TM), and the like.
The location information module 115 is a module for checking or acquiring location information of the mobile terminal. A typical example of the location information module is a GPS (global positioning system). According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information, thereby accurately calculating three-dimensional current location information according to longitude, latitude, and altitude. Currently, a method for calculating position and time information uses three satellites and corrects an error of the calculated position and time information by using another satellite. In addition, the GPS module 115 can calculate speed information by continuously calculating current position information in real time.
The a/V input unit 120 is used to receive an audio or video signal. The a/V input unit 120 may include a camera 121 and a microphone 122, and the camera 121 processes image data of still pictures or video obtained by an image capturing apparatus in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 151. The image frames processed by the cameras 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110, and two or more cameras 121 may be provided according to the construction of the mobile terminal. The microphone 122 may receive sounds (audio data) via the microphone in a phone call mode, a recording mode, a voice recognition mode, or the like, and can process such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the mobile communication module 112 in case of a phone call mode. The microphone 122 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The user input unit 130 may generate key input data according to a command input by a user to control various operations of the mobile terminal. The user input unit 130 allows a user to input various types of information, and may include a keyboard, dome sheet, touch pad (e.g., a touch-sensitive member that detects changes in resistance, pressure, capacitance, and the like due to being touched), scroll wheel, joystick, and the like. In particular, when the touch pad is superimposed on the display unit 151 in the form of a layer, a touch screen may be formed.
The sensing unit 140 detects a current state of the mobile terminal 100 (e.g., an open or closed state of the mobile terminal 100), a position of the mobile terminal 100, presence or absence of contact (i.e., touch input) by a user with the mobile terminal 100, an orientation of the mobile terminal 100, acceleration or deceleration movement and direction of the mobile terminal 100, and the like, and generates a command or signal for controlling an operation of the mobile terminal 100. For example, when the mobile terminal 100 is implemented as a slide-type mobile phone, the sensing unit 140 may sense whether the slide-type phone is opened or closed. In addition, the sensing unit 140 can detect whether the power supply unit 190 supplies power or whether the interface unit 170 is coupled with an external device. The sensing unit 140 may include a proximity sensor 141 as will be described below in connection with a touch screen.
The interface unit 170 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The identification module may store various information for authenticating a user using the mobile terminal 100 and may include a User Identity Module (UIM), a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and the like. In addition, a device having an identification module (hereinafter, referred to as an "identification device") may take the form of a smart card, and thus, the identification device may be connected with the mobile terminal 100 via a port or other connection means. The interface unit 170 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal and the external device.
In addition, when the mobile terminal 100 is connected with an external cradle, the interface unit 170 may serve as a path through which power is supplied from the cradle to the mobile terminal 100 or may serve as a path through which various command signals input from the cradle are transmitted to the mobile terminal. Various command signals or power input from the cradle may be used as signals for recognizing whether the mobile terminal is accurately mounted on the cradle. The output unit 150 is configured to provide output signals (e.g., audio signals, video signals, alarm signals, vibration signals, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and the like.
The display unit 151 may display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display unit 151 may display a User Interface (UI) or a Graphical User Interface (GUI) related to a call or other communication (e.g., text messaging, multimedia file downloading, etc.). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display unit 151 may display a captured image and/or a received image, a UI or GUI showing a video or an image and related functions, and the like.
Meanwhile, when the display unit 151 and the touch pad are overlapped with each other in the form of a layer to form a touch screen, the display unit 151 may serve as an input device and an output device. The display unit 151 may include at least one of a Liquid Crystal Display (LCD), a thin film transistor LCD (TFT-LCD), an Organic Light Emitting Diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like. Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as transparent displays, and a typical transparent display may be, for example, a TOLED (transparent organic light emitting diode) display or the like. Depending on the particular desired implementation, the mobile terminal 100 may include two or more display units (or other display devices), for example, the mobile terminal may include an external display unit (not shown) and an internal display unit (not shown). The touch screen may be used to detect a touch input pressure as well as a touch input position and a touch input area.
The audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 into an audio signal and output as sound when the mobile terminal is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output module 152 may provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output module 152 may include a speaker, a buzzer, and the like.
The alarm unit 153 may provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alarm unit 153 may provide output in different ways to notify the occurrence of an event. For example, the alarm unit 153 may provide an output in the form of vibration, and when a call, a message, or some other incoming communication (incomingmunication) is received, the alarm unit 153 may provide a tactile output (i.e., vibration) to inform the user thereof. By providing such a tactile output, the user can recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The alarm unit 153 may also provide an output notifying the occurrence of an event via the display unit 151 or the audio output module 152.
The memory 160 may store software programs or the like for processing and controlling operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, etc.) that has been output or is to be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.
The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, and the multimedia module 181 may be constructed within the controller 180 or may be constructed separately from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.
The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof. For a hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in the controller 180. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in the memory 160 and executed by the controller 180.
Up to now, the mobile terminal has been described in terms of its functions. Hereinafter, a slide-type mobile terminal among various types of mobile terminals, such as a folder-type, bar-type, swing-type, slide-type mobile terminal, and the like, will be described as an example for the sake of brevity. Accordingly, the present invention can be applied to any type of mobile terminal, and is not limited to a slide type mobile terminal.
Such as Drawing (A) 1The mobile terminal 100 shown in (a) may be configured to operate with communication systems such as wired and wireless communication systems and satellite-based communication systems that transmit data via frames or packets.
Reference will now be made toDrawing (A) 2A communication system in which a mobile terminal according to the present invention is operable is described.
Such communication systems may use different air interfaces and/or physical layers. For example, the air interface used by the communication system includes, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)), global system for mobile communications (GSM), and the like. By way of non-limiting example, the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
Reference toDrawing (A) 2 ， CThe DMA wireless communication system may include a plurality of mobile terminals 100, a plurality of Base Stations (BSs) 270, Base Station Controllers (BSCs) 275, and a Mobile Switching Center (MSC) 280. The MSC280 is configured to interface with a Public Switched Telephone Network (PSTN) 290. The MSC280 is also configured to interface with a BSC275, which may be coupled to the base station 270 via a backhaul. The backhaul may be constructed according to any of several known interfaces including, for example, E1/T1, ATM, IP, PPP, frame Relay, HDSL, ADSL, or xDSL. It will be appreciated that the above-described,as shown in the figure 2The system shown in (a) may include multiple BSCs 275.
Each BS270 may serve one or more sectors (or regions), each sector covered by a multi-directional antenna or an antenna pointing in a particular direction being radially distant from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS270 may be configured to support multiple frequency allocations, with each frequency allocation having a particular frequency spectrum (e.g., 1.25MHz,5MHz, etc.).
The intersection of partitions with frequency allocations may be referred to as a CDMA channel. The BS270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology. In such a case, the term "base station" may be used to generically refer to a single BSC275 and at least one BS 270. The base stations may also be referred to as "cells". Alternatively, each sector of a particular BS270 may be referred to as a plurality of cell sites.
Such as Drawing (A) 2Shown therein, a Broadcast Transmitter (BT)295 transmits a broadcast signal to mobile terminals 100 operating within the system.As shown in the figure 1The broadcast receiving module 111 shown in (a) is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295. In thatDrawing (A) 2In (1), several Global Positioning System (GPS) satellites 300 are shown. The satellite 300 assists in locating at least one of the plurality of mobile terminals 100.
In thatDrawing (A) 2In (e), a plurality of satellites 300 are depicted, but it is understood that useful positioning information may be obtained with any number of satellites.As shown in the figure 1The GPS module 115 shown therein is generally configured to cooperate with the satellites 300 to obtain desired positioning information. Other techniques that can track the location of the mobile terminal may be used instead of or in addition to GPS tracking techniques. In addition, at least one GPS satellite 300 may selectively or additionally process satellite DMB transmission.
As a typical operation of the wireless communication system, the BS270 receives reverse link signals from various mobile terminals 100. The mobile terminal 100 is generally engaged in conversations, messaging, and other types of communications. Each reverse link signal received by a particular base station 270 is processed within the particular BS 270. The obtained data is forwarded to the associated BSC 275. The BSC provides call resource allocation and mobility management functions including coordination of soft handoff procedures between BSs 270. The BSCs 275 also route the received data to the MSC280, which provides additional routing services for interfacing with the PSTN 290. Similarly, the PSTN290 interfaces with the MSC280, the MSC interfaces with the BSCs 275, and the BSCs 275 accordingly control the BS270 to transmit forward link signals to the mobile terminal 100.
Based on the above mobile terminal hardware structure and communication system, the present invention provides various embodiments of the method.
The invention provides a method for calculating the moving speed of a user and a mobile terminal.
Such as Drawing (A) 3ToDrawing (A) 5As shown in the drawings, the above-described,drawing (A) 3Flow of an embodiment of the method for calculating the moving speed of the user according to the present inventionDrawing (A)；Drawing (A) 4For indicating walking state of userDrawing (A)；Drawing (A) 5Is a module schematic of an embodiment of the mobile terminal of the present inventionDrawing (A)。
The method for calculating the moving speed of the user comprises the following steps:
and step S10, acquiring the leg length of the user, the maximum included angle between the front leg and the vertical direction when the user walks, and the maximum included angle between the rear leg and the vertical direction.
Wherein the specific way of obtaining the leg length of the user is to ergonomically measure data according to the height and sex information input by the userIn the tableThe leg length of the user is queried.
The specific way of acquiring the maximum included angle between the front leg and the vertical direction is to judge that the included angle between the front leg and the vertical direction is maximum when detecting the vibration generated when the front leg of the user falls to the ground, and acquire the included angle.
The specific mode of obtaining the maximum included angle between the rear leg and the vertical direction is to judge that the included angle between the rear leg and the vertical direction is maximum when the vibration generated when the rear leg of the user is lifted off the ground is detected, and obtain the included angle.
In particular, the method comprises the following steps of,as shown in the figure 5In this embodiment, the mobile terminal (e.g., a mobile phone) includes an obtaining module 410 and a calculating module 420; the obtaining module 410 is configured to obtain a leg length of the user, a maximum included angle between the front leg and the vertical direction and a maximum included angle between the rear leg and the vertical direction when the user walks, and a moving time for moving a preset number of steps; the calculating module 420 is configured to calculate a step length of the user according to the leg length of the user, the maximum included angle between the front leg and the vertical direction, and the maximum included angle between the rear leg and the vertical direction, and calculate a moving speed of the user according to the step length, a preset number of steps, and a moving time.
Such as Drawing (A) 4In the embodiment, the mobile phone is taken as an example for explanation, and after the user opens the application program, the user is first prompted to input the information of gender and height. After the input is completed, the obtaining module 410 (which may be a CPU of a mobile phone, etc.) of the mobile terminal obtains the pre-stored ergonomic measurement dataIn the tableThe leg length a of the corresponding user is queried. The user is then prompted to place the phone in a side pocket (e.g., the right side pocket) of the pants. After the light sensor and the acceleration sensor which are arranged in the mobile phone judge that the mobile phone is placed in the pocket, a user is prompted to start walking. When the user's right leg is stepped forward to land (Such as Drawing (A) 4Position 2), vibration is generated, the acceleration sensor in the mobile phone detects the vibration and judges that the included angle between the right leg and the vertical direction is the largest at this time, the acquisition module 410 (preferably, a gyroscope) of the mobile phone acquires the included angle α between the right leg and the vertical direction, and then, the left leg of the user is stepped forward (step 2)Such as Drawing (A) 4Position 3), then, when the right leg is once more taken forward (Such as Drawing (A) 4Position No. 2), when the right leg is about to leave the ground for stepping forward again, the right leg will also generate vibration, and the acceleration sensor in the mobile phone detects the vibration and determines that the included angle between the right leg and the vertical direction is the largest at this time, the obtaining module 410 (optionally, a gyroscope) of the mobile phone obtains the included angle β between the right leg and the vertical direction.
And step S20, calculating the step length of the user according to the leg length of the user, the maximum included angle between the front leg and the vertical direction and the maximum included angle between the rear leg and the vertical direction.
Specifically, in this embodiment, it is assumed that when the mobile phone is placed in a side pocket of the user and the user stands upright, an included angle θ between the mobile phone and the vertical direction is zero, and the calculating module 420 (for example, a CPU of the mobile phone, etc.) calculates the step length S of the user according to a formula S ═ sin α + sin β × a.
Such as Drawing (A) 4When the right leg of the user is in front, the mobile phone is taken as a vertex, the right leg is taken as a hypotenuse, the ground is taken as a right-angle side, the vertical direction is taken as another right-angle side to form a right-angle triangle, according to a sine formula, the distance S1 between the right foot of the user and the vertical direction taking the mobile phone as the vertex is a sin α, when the right foot of the user is in back, the distance S2 between the right foot of the user and the vertical direction taking the mobile phone as the vertex is a sin β, the right-angle triangle is formed, according to the sine formula, and the mobile phone is composed of a base, a base and a baseDrawing (A) 4It can be seen that the sum of S1 and S2 is the actual step size of the user, i.e., S1+ S2 ═ a × sin α + a × sin β ═ sin α + sin β × a.
And when the mobile phone is put into the side pocket of the user and the user stands upright (Such as Drawing (A) 4Position No. 1), when the angle θ between the mobile phone and the vertical direction is zero, the calculating module 420 calculates the angle θ according to the formula S ═ sin (α + θ) + sin (β - θ)]A, the formula is obtained according to the sine formula of the right triangle, and is not described herein again.
The judgment of whether the included angle theta between the mobile phone and the vertical direction is zero or not when the mobile phone is placed into the side pocket of the user and the user stands upright can be carried out through the gyroscope in the mobile phone, and the corresponding formula is selected for calculation according to whether the included angle theta is zero or not.
And step S30, acquiring the moving time of the preset number of steps of the movement of the user.
Specifically, in this embodiment, since there is an error in the step size S taken by the user each time, the error needs to be averaged. In this embodiment, the error is averaged by obtaining the time of multiple steps, for example, the time of moving five steps is t.
Such as Drawing (A) 4As shown, the manner of acquiring the number of steps in the embodiment is two steps and one meter; i.e. starting from standing upright, the user takes the left leg a first time to a second time in one step (this step is actually two steps S).
And step S40, calculating the moving speed of the user according to the step length, the preset step number and the moving time.
Specifically, the calculating module 420 calculates the real-time speed v of the user according to a formula v 2 × 5 × S/t, where 5 is the number of steps, S is the step size, and t is the time of moving five steps.
According to the method for calculating the moving speed of the user, the step length of the user and the time for moving the preset step number are obtained, the real-time moving speed of the user can be calculated accurately, and the satisfaction degree of the user is greatly improved.
Further, when the legs are grounded or lifted, the mobile phone may shake in the pocket, which may cause an error when the mobile phone obtains an included angle between the front leg and the vertical direction, and at this time, the error needs to be repaired. In this embodiment, the vibration angle generated when the mobile phone shakes is captured by the filtering technique of the gyroscope in the mobile phone, for example, when the front leg is set to land, the mobile phone generates a Δ θ with the vertical direction1The vibration angle of (c); when the back leg is lifted, the mobile phone generates a delta theta with the vertical direction2Then, the calculation module 420 then sets the equation S ═ sin (α + θ ± Δ θ)1)+sin(β-θ±Δθ2)]A, calculating the step S of the user.
Whether the vibration angle exists or not can be detected and judged through an acceleration sensor and a gyroscope in the mobile phone, and a corresponding formula is selected to be calculated according to the existence or not of the vibration angle.
The method for calculating the moving speed of the user in the embodiment further ensures the accuracy of the calculated step length by obtaining the vibration angle to repair the vibration error generated by the mobile phone.
Further, in the above-mentioned case,as shown in the figure 6Anddrawing (A) 7As shown in the drawings, the above-described,drawing (A) 6Process for calculating the moving speed of a user according to another embodiment of the present inventionDrawing (A)；Drawing (A) 7Is a module schematic of another embodiment of the mobile terminal of the present inventionDrawing (A)。
Based on the foregoing embodiment, in this embodiment, before the step of calculating the moving speed of the user according to the step size, the moving step number, and the moving time, the method for calculating the moving speed of the user further includes:
step S50, judging whether the user has displacement in the positive direction;
if yes, executing step S40, calculating the moving speed of the user according to the step length, the moving step number and the moving time;
if not, step S60 is executed to determine that the moving speed of the user is zero.
Specifically, in this embodiment, the mobile terminal further includes a determining module 430, where the determining module 430 is configured to determine whether the user has a displacement in the positive direction; the calculating module 420 is configured to calculate a step length of the user according to the leg length of the user when the user has a displacement in the positive direction, and calculate a moving speed of the user according to the step length, the number of moving steps, and the moving time; the calculating module 420 is further configured to determine that the moving speed of the user is zero when the user has no displacement in the positive direction.
When angular change is detected through the gyroscope (namely leg movement of the user), whether the user has displacement in the positive direction or not is judged through the acceleration sensor, if yes, the user is indicated to walk normally, and the step length of the user is calculated through a formula. If no displacement of the user in the forward direction is detected, indicating that the user is stepping in place, the movement speed for the user is determined to be zero.
According to the method for calculating the moving speed of the user, whether the user has displacement in the positive direction or not is identified through the acceleration sensor, whether the user walks normally or steps in place can be effectively judged, and then the moving speed of the user can be effectively judged.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, which is defined by the following claimsIn the attached drawingsThe same principles as those in the related art are included in the equivalent structure, equivalent process, or direct or indirect application thereofThe invention is within the scope of patent protection.
Claims (10)
1. A method of calculating a speed of movement of a user, comprising the steps of:
acquiring the leg length of a user, the maximum included angle between the front leg and the vertical direction and the maximum included angle between the rear leg and the vertical direction when the user walks;
calculating the step length of the user according to the leg length of the user, the maximum included angle between the front leg and the vertical direction and the maximum included angle between the rear leg and the vertical direction;
acquiring the moving time of a user for moving a preset number of steps;
and calculating the moving speed of the user according to the step length, the preset step number and the moving time.
2. The method of claim 1, wherein the step of obtaining the leg length of the user, the maximum angle between the front leg and the vertical direction when the user walks, and the maximum angle between the rear leg and the vertical direction comprises:
according to the height and sex information input by the user, the leg length of the user is inquired in an ergonomic measurement data table;
when vibration generated by the falling of the front legs of the user is detected, judging that the included angle between the front legs and the vertical direction is the largest, and acquiring the included angle;
when the vibration generated when the back legs of the user lift off the ground is detected, the included angle between the back legs and the vertical direction is judged to be the largest, and the included angle is obtained.
3. The method of claim 1, wherein the step of calculating the step size of the user comprises:
calculating the step length S of the user according to a formula S ═ (sin alpha + sin beta) × a;
wherein, a is the leg length of the user inquired in an ergonomic measurement data table according to the sex and the height information input by the user; alpha is the maximum included angle between the front leg and the vertical direction when the user walks; beta is the maximum included angle between the rear leg and the vertical direction when the user walks.
4. The method for calculating the moving speed of the user according to claim 3, wherein when it is detected that the user stands upright and the mobile terminal forms an angle with the vertical direction, the step of calculating the step length of the user comprises:
calculating a step length S of the user according to a formula S ═ sin (alpha + theta) + sin (beta-theta) ]. a;
wherein, a is the leg length of the user inquired in an ergonomic measurement data table according to the sex and the height information input by the user; alpha is the maximum included angle between the front leg and the vertical direction when the user walks; beta is the maximum included angle between the rear leg and the vertical direction when the user walks; theta is an included angle between the mobile terminal and the vertical direction when the user stands upright.
5. The method as claimed in claim 3, wherein the step of calculating the step length of the user when the mobile terminal generates a vibration angle when the front leg is detected to fall on the ground and the rear leg is detected to fall off the ground comprises:
according to the formula S ═ sin (α + theta + -delta theta1)+sin(β-θ±Δθ2)]A, calculating the step length S of the user;
wherein a is the length of the user's legs which is inquired from an ergonomic measurement data table according to the sex and height information input by the user, α is the maximum included angle between the front legs and the vertical direction when the user walks, β is the maximum included angle between the rear legs and the vertical direction when the user walks, theta is the included angle between the mobile terminal and the vertical direction when the user stands upright, and delta theta is the included angle between the mobile terminal and the vertical direction when the user stands upright1The vibration angle of the mobile terminal is the maximum included angle between the front leg and the vertical direction; delta theta2The vibration angle of the mobile terminal is the maximum included angle between the rear leg and the vertical direction.
6. A mobile terminal is characterized by comprising an acquisition module and a calculation module; wherein,
the acquisition module is used for acquiring the leg length of a user, the maximum included angle between the front leg and the vertical direction, the maximum included angle between the rear leg and the vertical direction and the movement time of moving a preset number of steps when the user walks;
the calculation module is used for calculating the step length of the user according to the leg length of the user, the maximum included angle between the front leg and the vertical direction and the maximum included angle between the rear leg and the vertical direction, and calculating the moving speed of the user according to the step length, the preset step number and the moving time.
7. The mobile terminal of claim 6, wherein the obtaining module is specifically configured to query the leg length of the user in an ergonomic measurement data table according to the height and gender information input by the user;
the acquisition module is further used for judging that the included angle between the front leg and the vertical direction is the largest when the vibration generated by the falling of the front leg of the user is detected, and acquiring the included angle;
the acquisition module is further used for judging that the included angle between the rear leg and the vertical direction is the largest when the vibration generated when the rear leg of the user is lifted off the ground is detected, and acquiring the included angle.
8. The mobile terminal according to claim 6, wherein the calculating module is specifically configured to calculate a step size S of the user according to a formula (sin α + sin β) × a;
wherein, a is the leg length of the user inquired in an ergonomic measurement data table according to the sex and the height information input by the user; alpha is the maximum included angle between the front leg and the vertical direction when the user walks; beta is the maximum included angle between the rear leg and the vertical direction when the user walks.
9. The mobile terminal of claim 8, wherein the calculating module is specifically configured to, when it is detected that the user stands upright and the mobile terminal forms an angle with the vertical direction, calculate a step length S of the user according to a formula S ═ sin (α + θ) + sin (β - θ) ] × a;
wherein, a is the leg length of the user inquired in an ergonomic measurement data table according to the sex and the height information input by the user; alpha is the maximum included angle between the front leg and the vertical direction when the user walks; beta is the maximum included angle between the rear leg and the vertical direction when the user walks; theta is an included angle between the mobile terminal and the vertical direction when the user stands upright.
10. The mobile terminal of claim 8, wherein the computing module is specifically configured to, when the mobile terminal generates a vibration angle when the front leg landing and the rear leg landing are detected, generate [ sin (α + θ ± Δ θ) ] according to the formula S ═ sin (α + θ ± Δ θ)1)+sin(β-θ±Δθ2)]A, calculatingStep S of the user is obtained;
wherein a is the length of the user's legs which is inquired from an ergonomic measurement data table according to the sex and height information input by the user, α is the maximum included angle between the front legs and the vertical direction when the user walks, β is the maximum included angle between the rear legs and the vertical direction when the user walks, theta is the included angle between the mobile terminal and the vertical direction when the user stands upright, and delta theta is the included angle between the mobile terminal and the vertical direction when the user stands upright1The vibration angle of the mobile terminal is the maximum included angle between the front leg and the vertical direction; delta theta2The vibration angle of the mobile terminal is the maximum included angle between the rear leg and the vertical direction.
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Application publication date: 20160928 |