CN204009751U - Gesture identifying device - Google Patents

Gesture identifying device Download PDF

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Publication number
CN204009751U
CN204009751U CN201420437229.7U CN201420437229U CN204009751U CN 204009751 U CN204009751 U CN 204009751U CN 201420437229 U CN201420437229 U CN 201420437229U CN 204009751 U CN204009751 U CN 204009751U
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China
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port
chip microcomputer
chip
mpu
singlechip
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CN201420437229.7U
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Chinese (zh)
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刘恒
杜蒙
张一波
范江棋
许辰
王冕
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南京信息工程大学
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Priority to CN201420437229.7U priority Critical patent/CN204009751U/en
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Abstract

The utility model relates to gesture identifying device, especially a kind of device that utilizes accelerometer and gyrosensor to realize gesture identification.Gesture identifying device comprises data acquisition process unit, man-machine interaction unit.Data acquisition process unit adopts 6 axle motion process assemblies to realize the measurement of 3-axis acceleration three axis angular rates, with respect to having avoided the poor problem of between centers with the device of combination gyroscope and accelerometer, reduced a large amount of packaging spaces, had and be quick on the draw, export data advantage accurately.

Description

Gesture identifying device

Technical field

The utility model relates to gesture identifying device, especially a kind of device that utilizes accelerometer and gyrosensor to realize gesture identification.

Background technology

Along with scientific and technical fast development, it is intelligent that various electronic equipments are more and more tending towards, and it is varied that the mode of man-machine communication also becomes, and in the time of more, people wish to realize Long-distance Control.Gesture Recognition is one of them, the attitude of electronic equipment by gathering each finger with and motion state, the data analysis collecting is extracted and then obtains instruction, for Based Intelligent Control.

A lot of Gesture Recognition is all based on camera at present, gathers images of gestures, and image is carried out to feature extraction, and the algorithm of the various complexity of process finally obtains gesture instruction.But the gesture identification based on camera, need to be under specific light intensity condition, and measured deviation is large, and finger must be placed in camera visual range, and identification requirement is harsh.

Document (Pan Gang, Wu Jiahui, magnify the method CN101694692 A of a kind of gesture identification based on acceleration transducer such as celebrating) and document (the method CN101882000 A of Xue Yang, the Jin Lianwen gesture identification based on acceleration transducer) have all provided a kind of method of the gesture identification based on acceleration transducer, the good effect of invention is to lower the dependence to environment and user in gesture identification process, the impact of noise and variation in attenuating acceleration signal, the performance of raising gesture identification.

Utility model content

Technical problem to be solved in the utility model is for the deficiency of above-mentioned background technology, and gesture identifying device is provided.

The utility model, for solving the problems of the technologies described above, adopts following technical scheme.

Gesture identifying device, comprises data acquisition process unit, shows the man-machine interaction unit of data acquisition process element output signal, and described data acquisition process unit comprises the first single-chip microcomputer, four MPU-6050 chips, wireless sending module, and be the first single-chip microcomputer, four MPU-6050 chips, wireless sending module provides the first power module of supply voltage, wherein, and described first, the serial clock signal port of the 2nd MPU-6050 chip is all connected with the first input end mouth of the first single-chip microcomputer, and first, the serial data port of the 2nd MPU-6050 chip is all connected with the second input port of the first single-chip microcomputer, and the 3rd, the serial clock signal port of the 4th MPU-6050 chip is all connected with the 3rd input port of the first single-chip microcomputer, and the 3rd, the serial data port of the 4th MPU-6050 chip is all connected with the four-input terminal mouth of the first single-chip microcomputer, the digital I/O port of wireless sending module, input end of clock mouth, sheet selects port to be connected with general purpose I/O port of the first single-chip microcomputer respectively, and first, the Slave address termination power positive voltage of the 3rd MPU-6050 chip, second, the Slave address end ground connection of the 4th MPU-6050 chip.

Further prioritization scheme as described gesture identifying device, man-machine interaction unit comprises second singlechip, wireless receiving module, display screen, and be second singlechip, wireless receiving module, display screen provides the second source module of working power, wherein, the digital I/O port of described wireless receiving module, input end of clock mouth, sheet selects port to be connected with general purpose I/O port of second singlechip respectively, the data termination second singlechip output port of display screen, the command/data port of display screen connects the control signal of second singlechip output, the inbound port of writing of display screen connects the read-write control signal that second singlechip is exported, the port of reading of display screen connects the display screen working state signal that second singlechip is exported.

Further prioritization scheme as described gesture identifying device, the general digital output port of described wireless sending module is connected with the first single-chip microcomputer, the trigger pip of wireless sending module transmission configuration or clock signal are to the first single-chip microcomputer, the general digital output port of described wireless receiving module is connected with second singlechip, and the trigger pip of wireless receiving module transmission configuration or clock signal are to second singlechip.

Further, in described gesture identifying device, first, second single-chip microcomputer is STM32F103ZET6 chip.

Further, in described gesture identifying device, wireless sending module, wireless receiving module are CC1101 chip.

The utility model adopts technique scheme, has following beneficial effect: proposed a kind of device of identifying gesture by slotted line acceleration and angular velocity, than image recognition, had advantages of that measured deviation is little, little to the dependence of environment; Utilize 6 axle motion process assemblies to realize the measurement of 3-axis acceleration three axis angular rates, with respect to having avoided the poor problem of between centers with the device of combination gyroscope and accelerometer, reduced a large amount of packaging spaces, have and be quick on the draw, export data advantage accurately.

Accompanying drawing explanation

Fig. 1 is the block diagram of the utility model gesture identifying device.

Fig. 2 is the circuit diagram of data acquisition process unit.

Fig. 3 is the circuit diagram of man-machine interaction unit.

Embodiment

Below in conjunction with accompanying drawing, the technical solution of the utility model is elaborated.

The gesture identifying device that the utility model is specifically related to as shown in Figure 1, comprises data acquisition process unit and man-machine interaction unit.Data acquisition process unit: comprise that power module A(is the first power module in claim), 3-axis acceleration+three-axis gyroscope module, Chip Microcomputer A (being the first single-chip microcomputer red in claim) and wireless sending module, 3-axis acceleration+three-axis gyroscope module, Chip Microcomputer A and wireless sending module are all connected with power module A, 3-axis acceleration+three-axis gyroscope module, Chip Microcomputer A are connected successively with wireless sending module, and power module A is 3-axis acceleration+three-axis gyroscope module, Chip Microcomputer A and wireless sending module power supply.Man-machine interaction unit comprises that power module B(is the second source module in claim), display screen, single-chip microcomputer B(be the second singlechip in claim) and wireless receiving module, display screen, single-chip microcomputer B and wireless receiving module are all connected with power module B, wireless receiving module, single-chip microcomputer B are connected successively with display module, and power module B is display screen, single-chip microcomputer B, wireless receiving module power supply.Between wireless sending module and wireless receiving module, by radio communication, carry out the transmission of data.

In this example, select 6 axle motion process assembly MPU-6050 chips to realize the function of 3-axis acceleration+three-axis gyroscope module, Chip Microcomputer A, single-chip microcomputer B all select STM32F103ZET6 chip, wireless sending module and wireless receiving module are all selected CC1101 chip, and display screen is TFT LCDs.The synthetic gesture identifying device of chipset that this example is chosen is an embodiment of the present utility model only, but not to limitation of the present utility model, everyly can realize the chip that the utility model relates to functional module and all can select, such as: single-chip microcomputer can also be selected the singlechip chips such as STM32F103VE, STM32F101VB, and wireless receiving module and wireless sending module can also be selected the chips such as NRF905.

Data acquisition process unit as shown in Figure 2, adopts iic bus agreement, uses 4 MPU-6050, and MPU-6050 communicates by SCL and SDA pin and STM32F103ZET6.Wherein the GPIOC.1 pin of STM32F103ZET6 (being the first single-chip microcomputer first input end mouth PC.1 in claim) is connected with the SCL pin (serial clock signal port) of first, second MPU-6050, the GPIOC.3 pin of STM32F103ZET6 (being the first single-chip microcomputer the 3rd input port PC.3 in claim) is connected with the SCL pin of the 3rd, the 4th MPU-6050, and the clock signal of bus is provided.The GPIOC.2 pin of STM32F103ZET6 (being first single-chip microcomputer the second input port PC.2 in claim) is connected with the SDA pin (serial data port) of first, second MPU-6050, the GPIOC.4 pin of STM32F103ZET6 (being the first single-chip microcomputer four-input terminal mouth PC.4 in claim) is connected with the SDA pin of the 3rd, the 4th MPU-6050, for the send and receive of data.The AD0(Slave address end of the first, the 3rd MPU-6050 simultaneously) all with VCC(power module A supply+3.3V voltage) be connected, the second, the 4th MPU-6050) AD0 be all connected with GND, using this as iic bus Address Recognition.CC1101 chip can pass through reception and the transmission of SPI serial programming Interface realization data.In wireless sending module, pin CSN(sheet selects port), MOSI(digital input port), MISO(digital output port), SCLK(input end of clock mouth) as numeral, input GPIOG.10, GPIOG.6, the GPIOG.8 that is connected on successively respectively STM32F103ZET6,, on tetra-GPIO mouths of GPIOG.7, wherein CSN is in order to enable SPI, SCLK provides clock signal for spi bus, MOSI is spi bus data input pin, MISO is spi bus data output end, four actings in conjunction, control CC1101 chip wireless transmission data.The GDO0 of CC1101 chip, GDO2(general digital port) as general digital I/O mouth, be connected on successively GPIOG.11, the GPIOG.9(general digital output port of STM32F103ZET6) on two GPIO mouths, can be configured to produce trigger pip or the clock signal needing, provide+3.3V of power module A direct current according to application.

As shown in Figure 3, CC1101 chip is identical with being connected of single-chip microcomputer STM32F103ZET6 as wireless sending module with the CC1101 chip shown in Fig. 2 with the connection of single-chip microcomputer STM32F103ZET6 as wireless receiving module for man-machine interaction unit.CSN is in order to enable SPI, and SCLK provides clock signal for spi bus, and MOSI is spi bus data input pin, and MISO is spi bus data output end, and CC1101 chip wireless receiving data are being controlled in four actings in conjunction.TFT LCDs is connected with single-chip microcomputer STM32F103ZET6, single-chip microcomputer STM32F103ZET6 is used FSMC bus protocol to control liquid crystal display, wherein the data pin D0~D15 of LCD MODULE TFT LCDs successively with GPIOD.14, the GPIOD.15 of single-chip microcomputer STM32F103ZET6, GPIOD.0, GPIOD.1, GPIOE.7 ~ GPIOE.15, GPIOD.8, GPIOD.9, GPIOD.10 totally 16 GPIO mouths be connected, the interactive instruction of data and order is provided.The RS pin of TFT LCDs is connected with the GPIOG.0 of single-chip microcomputer STM32F103ZET6, the GPIOG.0 of STM32F103ZET6 output control signal, and it is order or data to Liquid Crystal Module that control signal is distinguished single-chip microcomputer with low and high level.The WR pin of TFT LCDs is connected with the GPIOD.5 of STM32F103ZET6, and the GPIOD.5 of STM32F103ZET6 is connected and exports read-write control signal, and read-write control signal is distinguished between single-chip microcomputer and Liquid Crystal Module and read or write state with low and high level.The RD pin of TFT LCDs is connected with the GPIOD.4 of STM32F103ZET6, and control signal is read in the GPIOD.4 of STM32F103ZET6 output, reads control signal and take low and high level to distinguish Liquid Crystal Module be as idle or be busy duty.The CS pin of TFT LCDs is connected with the GPIOG12 of STM32F103ZET6, and the control signal of the GPIOG12 output of STM32F103ZET6 is distinguished single-chip microcomputer with low and high level and whether enabled LCD MODULE TFT LCDs.The BL pin of TFT LCDs is connected with the GPIOB0 of STM32F103ZET6, and the control signal of the GPIOB0 output of STM32F103ZET6 is for controlling the backlight of liquid crystal.Power module B supply+3.3V DC voltage.

The utility model adopts MPU-6050 3-axis acceleration+three-axis gyroscope sensor identification gesture, MPU-6050 is conformability 6 axle motion process assemblies, compared to multicompartment scheme, the poor problem of between centers while having exempted combination gyroscope and accelerometer, has reduced a large amount of packaging spaces.MPU-6050 has integrated 3 axle gyroscopes, 3 axis accelerometers, and containing connecting by second I2C port numerical digit motion process (the DMP:Digital Motion Processor) hardware acceleration engine of accelerometer, magnetometric sensor or other sensors of other manufacturers, form by main I2C port with single data stream, exports 9 complete axles to application end and merges calculation technology.

Display module adopts TFT LCDs.Wireless sending module and wireless receiving module all adopt CC1101 wireless module, and CC1101 wireless module can, in order to avoid licence is used, and antijamming capability is strong, and transfer rate is fast, can be realized low-power consumption again in the open ISM band of 433MHz simultaneously.

The utility model course of work is as follows:

Gesture identifying device of the present utility model is fixed on gloves, 4 MPU-6050 modules are individually fixed on four fingers, palm is vertical, utilize finger to make various gestures and action, the direct wire communication of Chip Microcomputer A utilization and sensor is carried out Real-time Collection to data, and then carry out complementary filter algorithm and carry out attitude fusion, complementary filter is exactly that the attitude angle information that acceleration and gyroscope are calculated carries out weight allocation, this sampling device just can be resisted interference and the mistake identification causing due to a variety of causes, finally by being set, threshold values interval obtains every attitude index and gesture identification code, gesture identification code is sent to the wireless receiving module of man-machine interaction unit by wireless sending module, wireless receiving module sends single-chip microcomputer B to after receiving information, single-chip microcomputer B is found its corresponding gesture implication and is sent it to TFT LCDs by judgement gesture identification code and shows, user just can realize long-range information transmission like this.As long as expand accordingly, just can realize the Long-distance Control of gesture.

Claims (5)

1. gesture identifying device, comprises data acquisition process unit, shows the man-machine interaction unit of data acquisition process element output signal,
It is characterized in that, described data acquisition process unit comprises the first single-chip microcomputer, four MPU-6050 chips, wireless sending module, and be the first single-chip microcomputer, four MPU-6050 chips, wireless sending module provides the first power module of supply voltage, wherein, and described first, the serial clock signal port of the 2nd MPU-6050 chip is all connected with the first input end mouth of the first single-chip microcomputer, and first, the serial data port of the 2nd MPU-6050 chip is all connected with the second input port of the first single-chip microcomputer, and the 3rd, the serial clock signal port of the 4th MPU-6050 chip is all connected with the 3rd input port of the first single-chip microcomputer, and the 3rd, the serial data port of the 4th MPU-6050 chip is all connected with the four-input terminal mouth of the first single-chip microcomputer, the digital I/O port of wireless sending module, input end of clock mouth, sheet selects port to be connected with general purpose I/O port of the first single-chip microcomputer respectively, and first, the Slave address termination power positive voltage of the 3rd MPU-6050 chip, second, the Slave address end ground connection of the 4th MPU-6050 chip.
2. gesture identifying device according to claim 1, it is characterized in that, described man-machine interaction unit comprises second singlechip, wireless receiving module, display screen, and be second singlechip, wireless receiving module, display screen provides the second source module of working power, wherein, the digital I/O port of described wireless receiving module, input end of clock mouth, sheet selects port to be connected with general purpose I/O port of second singlechip respectively, the data termination second singlechip output port of display screen, the command/data port of display screen connects the control signal of second singlechip output, the inbound port of writing of display screen connects the read-write control signal that second singlechip is exported, the port of reading of display screen connects the display screen working state signal that second singlechip is exported.
3. gesture identifying device according to claim 1 and 2, is characterized in that,
The general digital output port of described wireless sending module is connected with the first single-chip microcomputer, and wireless sending module sends the trigger pip of configuration or clock signal to the first single-chip microcomputer,
The general digital output port of described wireless receiving module is connected with second singlechip, and the trigger pip of wireless receiving module transmission configuration or clock signal are to second singlechip.
4. gesture identifying device according to claim 3, is characterized in that, described first, second single-chip microcomputer is STM32F103ZET6 chip.
5. gesture identifying device according to claim 3, is characterized in that, described wireless sending module, wireless receiving module are CC1101 chip.
CN201420437229.7U 2014-08-04 2014-08-04 Gesture identifying device CN204009751U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104536581A (en) * 2015-01-23 2015-04-22 京东方科技集团股份有限公司 Display system and control method thereof
CN105066985A (en) * 2015-07-24 2015-11-18 上海海事大学 Six-freedom degree platform movement state monitoring apparatus
CN105302021A (en) * 2015-10-23 2016-02-03 哈尔滨工业大学 Wearable gesture control device for controlling movement of robot in human-computer collaborative remanufacturing
CN106695736A (en) * 2016-07-04 2017-05-24 浙江理工大学 Gesture identification human-simulated mechanical arm system based on multi-sensor fusion and synchronizing method
CN107132922A (en) * 2017-05-15 2017-09-05 华南理工大学 A kind of Wearable operation control system based on gesture identification
US10754434B2 (en) 2016-04-01 2020-08-25 Intel Corporation Motion gesture capture by selecting classifier model from pose

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104536581A (en) * 2015-01-23 2015-04-22 京东方科技集团股份有限公司 Display system and control method thereof
CN105066985A (en) * 2015-07-24 2015-11-18 上海海事大学 Six-freedom degree platform movement state monitoring apparatus
CN105302021A (en) * 2015-10-23 2016-02-03 哈尔滨工业大学 Wearable gesture control device for controlling movement of robot in human-computer collaborative remanufacturing
US10754434B2 (en) 2016-04-01 2020-08-25 Intel Corporation Motion gesture capture by selecting classifier model from pose
CN106695736A (en) * 2016-07-04 2017-05-24 浙江理工大学 Gesture identification human-simulated mechanical arm system based on multi-sensor fusion and synchronizing method
CN107132922A (en) * 2017-05-15 2017-09-05 华南理工大学 A kind of Wearable operation control system based on gesture identification
CN107132922B (en) * 2017-05-15 2020-06-19 华南理工大学 Wearable operation control system based on gesture recognition

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Granted publication date: 20141210

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