34results about How to "Achieve real-time output" patented technology

The invention relates to a torque motor torque fluctuation coefficient detector and a detecting method and belongs to the technical field of torque motor torque fluctuation measurement. The torque motor torque fluctuation coefficient detector and the detecting method solve the problems that during the process of measuring force from a stator to a sensor, existing torque motor torque fluctuation coefficient detectors are unreliable in detected results due to gravity interference of the stator. The detector comprises a dynamometer, a calibration assembly, a first coupler, a torque motor to be measured, a chuck mechanical arm, a load bearing, a second coupler, a position adjusting base, a stepping motor, a stabilizing base, a singlechip and a computer. The detecting method comprises the steps of firstly performing initial calibration; then adjusting the chuck mechanical arm to firmly clamp a stator of the torque motor to be measured; powering up the torque motor to be measured to enable the torque motor to be measured to generate torque, then enabling the torque motor to be measured to be under a lock rotor state; and finally driving the stator of the torque motor to be measured by the stepping motor to rotate a circle, synchronously collecting torque signals, and outputting the torque signals to the computer. The torque motor torque fluctuation coefficient detector and the detecting method are suitable for detection of torque motor torque fluctuation coefficients.

The invention discloses a test bed and a measurement method for measuring the friction coefficient of an electric brush, relates to a friction coefficient measurement device and method, and aims to solve the problem of low measurement accuracy of a dynamic friction coefficient of an electric brush under a high-speed condition during conventional measurement. The test bed comprises a test tool and a control system, wherein the test tool is perpendicularly connected with a pressure sensor through a force arm rod by a torque sensor; the pressure sensor is connected with an electric brush clamping tool and the tested electric brush in the electric brush clamping tool; the electric brush clamping tool is arranged on the upper part of a copper-embedded turntable; a dragging motor drives the copper-embedded turntable to rotate; the upper part and the lower part of the electric brush clamping tool are in threaded connection with each other; the force arm rod is a telescopic force arm rod; the control system enables the dragging motor to rotate to acquire signals of the pressure sensor and the torque sensor; during measurement, the electric brush is in contact with the copper-embedded turntable, a thread and the force arm rod are adjusted, and the reading of the pressure sensor is in a ruled range; the control system calculates a friction coefficient of the tested electric brush according to measured data. The test bed is used for measuring the dynamic friction coefficient of the electric brush under a high-speed condition.

The invention discloses an embedded real-time high-definition medical ultrasound imaging system of an integrated graphics processing unit. The system adopts embedded equipment of the integrated graphics processing unit for achieving medical ultrasound imaging, by adopting an improved high-definition imaging algorithm, the calculation process is suitable for a computing environment of the graphics processing unit, and therefore the image quality of medical ultrasound imaging is improved, and the imaging frame rate of medical ultrasound imaging is increased. Compared with a traditional portable medical ultrasound imaging system, the adopted integrated graphics processing unit embedded system has a high parallel computing capacity, complicated calculation of the high-definition medical ultrasound imaging algorithm can be completed within a short period of time, and real-time high-definition medical ultrasound imaging can be presented. Accordingly, the phenomenon that minimum variance wave beams form high-definition ultrasound imaging is achieved, and a high-definition medical ultrasound image is output in real time on the embedded system. The embedded system of the integrated graphics processing unit is low in price, high in practicability and high in cost performance.

The invention provides a movement statistical system and a communication method applied to the movement statistical system. The communication method includes: when first communication equipment recognizes first movement data, accessing to a broadcasting mode to broadcast the first movement data; when second communication equipment scans the first movement data, matching the first movement data with second movement data in local storage, and broadcasting a matching result; allowing third communication equipment to receive the matching equipment. By adoption of the communication method, in basketball player movement data statistics, real-time transmission of current movement data of a basket and current movement data of a plurality of basketball players can be realized, and real-time comparison and real-time result output are realized as well.

The invention discloses a handheld type real-time transmission system and a handheld type real-time transmission method for minimally invasive surgery videos. The handheld type real-time transmission system comprises a video front end, a handle and a high-definition output cable, wherein the video front end comprises a positioning tube; a stainless steel tube is arranged on the outer part of the positioning tube; a light source, an optical image module and a low-luminance image sensor are mounted in the positioning tube; the light source is an LED (light-emitting diode) lamp module; a button is arranged on the handle; a button board connected with the button is arranged in the handle; an image processing main board is further arranged in the handle; the image processing main board is connected with the image sensor through a image transmission line. The handheld type real-time transmission system adopts a low-luminance CMOS (complementary metal-oxide-semiconductor transistor) technology and a high-luminance LED (light-emitting diode) technology, and is combined with an image processing algorithm, so that miniaturization and low cost of the minimally invasive surgery full high-definition system are realized.

The invention discloses a test bed and a measurement method for measuring the friction coefficient of an electric brush, relates to a friction coefficient measurement device and method, and aims to solve the problem of low measurement accuracy of a dynamic friction coefficient of an electric brush under a high-speed condition during conventional measurement. The test bed comprises a test tool and a control system, wherein the test tool is perpendicularly connected with a pressure sensor through a force arm rod by a torque sensor; the pressure sensor is connected with an electric brush clamping tool and the tested electric brush in the electric brush clamping tool; the electric brush clamping tool is arranged on the upper part of a copper-embedded turntable; a dragging motor drives the copper-embedded turntable to rotate; the upper part and the lower part of the electric brush clamping tool are in threaded connection with each other; the force arm rod is a telescopic force arm rod; the control system enables the dragging motor to rotate to acquire signals of the pressure sensor and the torque sensor; during measurement, the electric brush is in contact with the copper-embedded turntable, a thread and the force arm rod are adjusted, and the reading of the pressure sensor is in a ruled range; the control system calculates a friction coefficient of the tested electric brush according to measured data. The test bed is used for measuring the dynamic friction coefficient of the electric brush under a high-speed condition.

The invention discloses a handheld type real-time transmission system and a handheld type real-time transmission method for minimally invasive surgery videos. The handheld type real-time transmission system comprises a video front end, a handle and a high-definition output cable, wherein the video front end comprises a positioning tube; a stainless steel tube is arranged on the outer part of the positioning tube; a light source, an optical image module and a low-luminance image sensor are mounted in the positioning tube; the light source is an LED (light-emitting diode) lamp module; a button is arranged on the handle; a button board connected with the button is arranged in the handle; an image processing main board is further arranged in the handle; the image processing main board is connected with the image sensor through a image transmission line. The handheld type real-time transmission system adopts a low-luminance CMOS (complementary metal-oxide-semiconductor transistor) technology and a high-luminance LED (light-emitting diode) technology, and is combined with an image processing algorithm, so that miniaturization and low cost of the minimally invasive surgery full high-definition system are realized.

The invention provides a serial interface communication testing system comprising a control module, a level conversion module, a communication module, a first switch group and a second switch group. The level conversion module is electrically connected with the control module; the communication module is electrically connected with the control module; the first switch group is electrically connected with the control module, the communication module and the level conversion module; the second switch group is electrically connected with the level conversion module and the first switch group; the communication module comprises a first processing unit and a second processing unit; the first processing unit and the second processing unit transmit data with each other and are connected with thefirst switch group; the first switch group and the second switch group comprise a plurality of switches; the level conversion module is used for signal level conversion between the control module andthe communication module; the control module forms different testing loops by selectively switching on or switching off different switches in the first switch group and the second switch group; and the testing loops are respectively used for testing the communication status of the first processing unit and the second processing unit and the communication status of different communication loops between the first processing unit and the second processing unit.

The invention provides a movement statistical system and a communication method applied to the movement statistical system. The communication method includes: when first communication equipment recognizes first movement data, accessing to a broadcasting mode to broadcast the first movement data; when second communication equipment scans the first movement data, matching the first movement data with second movement data in local storage, and broadcasting a matching result; allowing third communication equipment to receive the matching equipment. By adoption of the communication method, in basketball player movement data statistics, real-time transmission of current movement data of a basket and current movement data of a plurality of basketball players can be realized, and real-time comparison and real-time result output are realized as well.

The invention discloses a primary rain collection and treatment system with a self-cleaning function, which belongs to the technical field of rainwater treatment and comprises a buffer tank and a storage tank; a water inlet and a water outlet are arranged on the buffer tank; There is a self-cleaning horizontal grille; a hydraulic particle separator is installed in the storage tank; a water tank is connected above the hydraulic particle separator; the bottom of the storage tank has a slope; an intelligent flushing device and a submersible sewage pump are also installed in the storage tank . The invention has the advantages of simple structure, low manufacturing cost, and convenient installation and use. It can quickly and conveniently realize the filtration and settlement of initial rainwater, and at the same time realize the real-time output of treated rainwater for users to use. At the same time, the system completes the collection of initial rainwater After treatment, the self-cleaning function can be realized conveniently.

The invention relates to a satellite signal simulation system for ionospheric scintillation and its use method, which is suitable for BDS / GPD satellite signals and solves the technology that cannot reproduce the ionospheric scintillation experienced in the propagation process of BDS / GPS satellite signals The problem is that the satellite signal simulation system is suitable for BDS / GPD satellite signals, including a hardware device connected through a serial port and a host computer. The host computer is configured with host computer software, and the host computer software is used to generate scene files required by the hardware device, Configure analog parameters and control and display hardware devices; the hardware devices include a baseband signal module, a high-stable crystal oscillator connected to the baseband signal module, a single-chip microcomputer module, a DA module and a power supply module, and the DA module is also connected with a radio frequency module and an antenna in turn, and the antenna works The technical scheme of frequency band covering BDS / GPS satellite signal frequency solves this problem better and can be used in satellite navigation and positioning.

The invention discloses an autonomous navigation system of a miniature underwater detection robot, belonging to the technical field of AUV underwater navigation, comprising: a first processor; Scan underwater objects for collision avoidance during navigation; magnetometer, used to obtain magnetic field strength and direction; inertial measurement unit, used to obtain three-axis attitude angle, angular rate and acceleration; data recorder, used to sense obstacle avoidance sonar The unit, magnetometer, and inertial measurement unit acquire and store the measurement results; the analog-to-digital converter is used to convert the analog signal into a digital signal; the input and output module is used to input and output data; the autonomous navigation system of the miniature underwater detection robot, It does not rely on external sensors, does not need to arrange acoustic communication positioning nodes, and does not need to surface to combine GNSS signals to achieve long-term, independent, and autonomous underwater navigation.

In order to realize the Hamilton self-adaptive interpolation algorithm on hardware logic, so as to perform high-quality color reconstruction on Bayer images, the invention provides an FPGA implementation method of Hamilton self-adaptive interpolation in real-time image processing. The present invention uses 6 rows of RAM to circularly buffer the original Bayer data, utilizes 2-way G component recovery parallel operation, 3-way R, B component parallel operation, pipeline processing, data synchronization and other methods, and realizes Hamilton self-adaptive interpolation algorithm on FPGA , can realize real-time processing of high-resolution (maximum support 4K*4K resolution) video streams, and obtain higher-quality images. There is a lot of margin.

The invention discloses an audio and video processing device which comprises an acquisition device, a cutting module, a synthesis module, and an integration module. The acquisition device is used for acquiring a first image shot by a left camera and a second image shot by a right camera and acquiring an audio signal, wherein the image ratio of the first image and the image ratio of the second image are a first preset ratio. The cutting module is used for cutting the first image to get a third image and cutting the second image to get a fourth image, wherein the image ratio of the third image and the image ratio of the fourth image are a second preset ratio. The synthesis module is used for synthesizing the third image and the fourth image to get a synthetic view, wherein the image ratio of the synthetic view is a third preset ratio. The integration module is used for integrating the synthetic view and the audio signal to get audio and video frames. The invention further discloses an audio and video processing method. First, cutting is performed to remove an invalid part, and then, synthesis and integration are performed to get audio and video frames which can be output on the display device in real time. The transmission speed is improved, and real-time audio and video output is realized.

The invention relates to the technical field of automatic driving, and provides a target data fusion method and system. The target data fusion method described in the present invention includes: time-synchronizing the target attributes detected by each sensor, and respectively storing the original target attributes that have not undergone the time synchronization and the synchronized target attributes that have undergone the time synchronization; synchronizing target attributes to perform target association; and after the target correlation, performing attribute fusion on the target attributes detected by different sensors in the same target based on the original target attributes. The present invention adopts a time-synchronous manner to carry out target association, which improves the accuracy of the target association, and adopts a time-asynchronous manner to fuse the attributes of the associated targets, thereby ensuring the authenticity of the original sensor attributes.