406results about How to "Reduce hardware costs" patented technology

A system has a virtual overlay infrastructure mapped onto physical resources for processing, storage and network communications, the virtual infrastructure having virtual entities for processing, storage and network communications. Virtual infrastructures of different users share physical resources but are isolated. Each infrastructure has its own infrastructure controller to create and configure the infrastructure. It has a user accessible part (CFC) for configuration of that user's infrastructure, and a user inaccessible part (UFC) able to access the mapping and the physical resources. This increases user control to ease system administration, while maintaining security by limiting access to the mapping.

A system for monitoring plant equipment is provided. Another aspect provides an automated analysis system wherein software instructions operably compare sensor data to predefined valves and determine mechanical problems in multiple machines. In another aspect, a cement manufacturing system includes sensors for sensing movement conditions of cement making machines. A further aspect provides a central computer connected to vibration sensors associated with cement making machines, where software instructions perform real-time comparisons and machine performance determinations, based at least in part on sensed signals.

The invention discloses a multi-robot mapping guidance system based on a cloud server and a mapping guidance method. The multi-robot mapping guidance system based on the cloud server comprises the cloud server and a plurality of robots, and each robot can be in data connection with the cloud server; the mapping guidance method based on the system comprises the steps that cloud mapping is conductedaccording to the environmental data obtained through robot detection, and the data is issued to all the robots in the system so as to achieve network-construction guidance of the robots. By means ofthe multi-robot mapping guidance system based on the cloud server and the mapping guidance method, the robots can share map sources, the hardware configuration requirements for a single robot are reduced, the hardware cost can be saved, moreover, the map building, perfecting and updating efficiency is easily improved so that the robots can quickly conduct network construction, the cloud serve canknow the position distribution of the robots very well, and the unified allocation is conveniently achieved.

The invention discloses a visible light communication-based indoor positioning system and method which are designed for solving the problems of high hardware cost, more system maintenance expense and the like of the existing indoor positioning system and method. The visible light communication-based indoor positioning system comprises a transmitting terminal and a mobile receiving terminal; the transmitting terminal consists of a plurality of transmitters distributed at various places indoors; each transmitter comprises an LED (light-emitting diode) light source for using a photosignal to output the position information of the transmitter; the mobile receiving terminal is used for receiving the photosignal, transforming the photosignal into an electric signal and extracting the corresponding position information from the electric signal. The visible light communication-based indoor positioning method is used in the visible light communication-based indoor positioning system and comprises the steps that one LED light source uses one photosignal to output the position information of the LED light source; the mobile receiving terminal receives the photosignal, transforms the photosignal into the electric signal and extracts the corresponding position information from the electric signal. The visible light communication-based indoor positioning system and method have the advantages of low hardware cost, less system maintenance expense, high accuracy and the like.

The invention discloses a mobile robot image visual positioning method in a dynamic environment. A Kinect depth camera is fixed to a mobile robot, and for the two adjacent frames of images, the three-dimensional point cloud of the depth image is obtained and a matching point pair of the RGB color image is obtained; an initial pose transformation matrix between the two adjacent frames of images isobtained through an iterative nearest point algorithm; the three-dimensional point cloud clustering transformation is carried out, and the residual difference between the three-dimensional point cloudclusters of the two adjacent frames of images is calculated; the matching point pair and the three-dimensional point cloud in a static background repeatedly processed to obtain a more accurate pose transformation matrix, the pose transformation matrix between every two adjacent frames of images is calculated, and the image visual positioning of the mobile robot is realized. According to the invention, the hardware cost is reduced, the complexity of recovering the pixel depth value is overcome, the positioning error of the robot is corrected, and the moving track of the moving robot in the room is estimated more accurately.

The invention relates to a detection method, a detection device and a logic chip, wherein, the embodiment of the method comprises the following steps of detecting the isolation degree between an antenna to be detected and other antennas in the same sector, and determining that the antenna has connection errors if the isolation degree between the antenna to be detected and other antennas in the same sector exceeds a predefined threshold of isolation degree. Each embodiment of the invention uses a reverse power detection channel owned by existing equipments, thus saving hardware cost, and the embodiment detects the signal of other antennas in the same sector which is received by the reverse power detection channel, so as to directly determine whether the antenna has connection errors, thus effectively solving the problems that connection errors are easy to appear due to a plurality of sectors in existing techniques and the existing detection methods have large and complex workload and large construction difficulty after location, etc.

The embodiment of the invention relates to equipment identification method and device, wherein the method comprises the following steps: adjusting a first resistance corresponding to a first voltage level and a second resistance corresponding to a second voltage level; acquiring a first voltage value corresponding to the first voltage level and a second voltage value corresponding to the second voltage level; and determining externally connected equipment pattern according to the first voltage value and the second voltage value. The equipment identification method and device provided by the embodiment of the invention determine the externally connected equipment pattern solely depending on the first voltage value corresponding to the first voltage level and the second voltage value corresponding to the second voltage level. Because the method can be realized inside a driver integrated circuit without specially setting an externally connected selector switch, the invention reduces the PCB hardware costs.

Provided is an apparatus and method for performing intra prediction for an image decoder, in which by use of horizontal/vertical blocks adjacent to image data input from an external device, the intra prediction is performed in parallel with respect to 16×16 luminance component and 4×4 luminance component of the image data and then with respect to chrominance component, thereby maximizing efficiency of system to not only reduce execution time and hardware cost but also increase processing speed.

The invention is a 3D foot shape measuring and modeling method based on special mesh pattern, wearing the socks printed with meshes on the foot, then synchronously shooting by many digital cameras, ensuring the corners of each mesh shot by as least two cameras, then based on the principle of solid visual and optical imaging, reconstructing 3D positions of all the corners of the meshes; on this basis, utilizing these reconstructed 3D positions, obtaining the 3D meshes covering the foot by fitting, and finally by the restriction of the 3D meshes on the spatial positions of a standard foot, by deformation modeling method, establishing a special model for the 3D foot shape and calculating the parameters of the 3D foot shape. It has low cost, integrating hardware device with software system. It has strong operability and low implementation cost, beneficial to popularization.

A flash control device and method. The flash includes a number of flash memory blocks, in which these blocks are divided into a number of storage blocks, and several reserved blocks. This control device includes a bad block mapping table and a controller. When to access to the data by the block addresses, the controller judges whether the block corresponding to the block addresses is a damage block. When the controller determines the block corresponding to the block addresses is a damage block, it replaces the access block address to the corresponding reserved block address by finding the bad block mapping table. Next, the controller repeats the above operation until the reserved block corresponding to the access block address is the normal block, and access to data with the access block address.

The invention discloses an indoor positioning system and method based on BLE mesh networking. The method includes the steps that a first positioning device receives a broadcast data packet broadcasted by a mobile terminal, obtains the strength indication value of received signals related to the broadcast data packet, and sends the broadcast data packet, the strength indication value of the received signals related to the broadcast data packet and ID information of the first positioning device to a mesh router through Bluetooth low energy (BLE) mesh networking; the mesh router receives the broadcast data packet, the strength indication value of the received signals related to the broadcast data packet and the ID information of the first positioning device sent by the first positioning device and sends the broadcast data packet, the strength indication value of the received signals related to the broadcast data packet and the ID information of the first positioning device to a server for positioning, and power consumption and hardware cost of the indoor positioning system can be reduced.

The invention provides a display optimization method based on Xen safety computer. The method comprises the following steps: simplifying the back end of a host system, customizing the front-end drive of a client system, and optimizing the communication between the front end and the back end. The step of simplifying the back end of a host system comprises is realized as follows: implementing a PCI(Peripheral Component Interconnect) equipment interface and introducing the support of Frame Buffer, and directly drawing the frame buffer image on a screen by reading and writing the Frame Buffer; the step of customizing the front-end drive of a client system is realized as follows: directly obtaining the internal storage I/O (Input/Output) and the port I/O resource provided by the back-end device, and implementing the display environment based on the Frame Buffer through the system Graphics Device Interface (GDI) display interface; and the step of optimizing the communication between the front end and the back end is realized as follows: registering an appointed I/O port in the host system by the back-end device firstly, and directly initiating the callback function implemented by the back end when the front-end drive accesses theses I/Os so as to complete the synchronous interaction of the front end and the back end; then, providing a memory space interacted with the front-end drive by the back end, mapping the memory space to the memory space of the client system, and implementing the interaction in a way of sharing the memory.

The invention discloses an internetworking method for a wireless intelligent meter reading system. The internetworking method is applicable to field of wireless intelligent meter reading and provides internetworking, namely communication support for the wireless intelligent meter reading system. The internetworking method totally comprises the following three steps: internetworking, communication and maintenance. In the internetworking stage, the internetworking method adopts a dual-address management algorithm (subnet address and entire network address), a concentrator maintains an entire network address mapping table, besides, the concentrator and a collector all maintain a subnet address mapping table, and accordingly, the storage space of a communication module of the collector is greatly saved. In the communication stage, the entire network address can be resolved as the route of a node, and the uplink and downlink data communication is realized through the operation on the entire network address. In the maintenance stage, the concentrator adopts the naming mechanism for the network nodes, the nodes in the network can be periodically inquired, and the network is enabled to be stable and reliable.

The invention relates to a multifunctional POS (point-of-sale) terminal based on an intelligent platform. The multifunctional POS terminal comprises a mobile phone with an intelligent operation system, as well as a POS terminal with an NFC (Near Field Communication) sensing module, wherein the mobile phone comprises a main control chip, a mobile communication module, an NFC chip and an authentication module; and the main control chip is connected with the mobile communication module, the authentication module and the NFC chip. The multifunctional POS terminal has the beneficial effects that the hardware cost is low; the mobile phone is in communication connection with the POS terminal through an NFC antenna; and identity authentication can be implemented through the mobile phone, so that the safety of payment is enhanced and simultaneously the safety of an account is guaranteed.

The invention provides an automatic LCD screen defect detection system. The system comprises two display screen movement assemblies, a camera movement assembly, an electrical control system, a computer, an alarm and a displayer, wherein the two display screen movement assemblies are arranged in parallel; each display screen movement assembly comprises a detection station and a mounting station; the camera movement assembly is horizontally arranged above the two display screen movement assemblies; when one display screen movement assembly drives an LCD screen to move to the corresponding detection station, the electrical control system controls the camera movement assembly to drive a camera to move to the corresponding detection station, meanwhile, the electrical control system controls the other display screen movement assembly to move to the corresponding mounting station, the camera acquires image information of the LCD screen and sends the information to the computer for image processing, and if the display screen has defects, the displayer displays corresponding defects, and the alarm gives an alarm. A conventional human eye detection mode can be replaced by means of the automatic LCD screen defect detection system, the human cost can be saved, and the problems of misjudgment and leak detection caused by human eye detection can be solved.

The invention discloses a power battery equalization control method, and the method comprises the steps: judging whether the equalization processing of a battery pack of an electric car needs to be carried out or not when the electric car is in a charging state or a discharging state; determining each to-be-equalized cell in the battery pack when the equalization processing of the battery pack needs to be carried out; reading the equalization time of each to-be-equalized cell from a storage unit which stores the equalization time of each cell, and carrying out the equalization of each cell through the corresponding equalization time. The invention also discloses a corresponding battery management system. According to the embodiment of the invention, the method can effectively reduce the hardware cost, reduces the heat dissipation risk of a hardware cost, and prolongs the service life of the battery.

The utility model provides a stream media service system, comprising a plurality of media engines, each composed of a stream service device with the capacity of stream service and a slice storing device holding multimedia file slices; and a media director, which is composed of a storage manager governing the storage positions of the multimedia file slices and a stream service director dispatching and switching stream service. The utility model also provides the method of slicing multimedia file, the storing method with slices as storage units as well as the method of stream service dispatching and switching. By adopting the system and methods in the utility model, the grid storage and grid stream service can share a cluster server so as to cut hardware cost, diminish grid copy, reduce grid flux as well as improve the IO capacity and stream service capacity of the stream media server and in turn provide the stream media service of high performance-price ratio.

The invention discloses a low-cost interconnection system of a mobile phone and a vehicle machine. The interconnection system comprises the mobile phone and the vehicle machine, wherein the vehicle machine comprises a vehicle-mounted radio and a speaker; at least one APP program is arranged on the cell phone, the vehicle machine further comprises a Bluetooth interconnection module, a Bluetooth interconnection key and a microphone; a communication connection between the vehicle-mounted radio and the mobile phone is established through the Bluetooth interconnection module; a Bluetooth connection between the mobile phone and the vehicle-mounted radio is established to implement bidirectional control, and an audio signal output by the mobile phone is played through the speaker; the Bluetooth interconnection key is connected to the vehicle-mounted radio, the microphone is connected to the Bluetooth interconnection module, when the Bluetooth interconnection key is pressed, the microphone is connected to the mobile phone through the Bluetooth interconnection module, the microphone is used for collecting voice sent by a user, converting the voice to a control command, and transmitting the control command to the mobile phone through the Bluetooth interconnection module, and the mobile phone opens the corresponding APP program on the mobile phone based on the control command. According to the low-cost interconnection system, sharing of mobile phone hardware, vehicle machine hardware and software resources can be implemented.

The invention provides an outer radiation source weak signal detection method based on PCA (principal component analysis). The method comprises the following steps of solving an autocorrelation matrix R=E{x(t)x<H>(t)} of a sampling sequence x(t); carrying out SVD (singular value decomposition) on the autocorrelation matrix R, to obtain R=Q Lambda Q<H>, utilizing the decomposed diagonal matrix Lambda and unitary matrix Q to carry out linear conversion on the sampling sequence x(t) to obtain a strength-decreased sequence y(t) of received signals; carrying out the two-dimensional correlation of time frequency distribution on the third path to the Mth path of signals in the received signal y(t) to obtain the corresponding correlation value, namely the absolute value of psi i (tao, f); when the signal-to-noise ratio of one certain path is greater than or equal to a threshold value, determining the time delay and Doppler frequency corresponding to a peak point as the time delay and Doppler frequency displacement of one target; and when the signal-to-noise ratio of one path is smaller than the threshold value, judging that the signal of the path has no target. The method has the advantage that a weak target signal can be extracted under the conditions of strong same-frequency interference and low signal-to-noise ratio.

The invention discloses a method and a device for monitoring a vehicle state and a driving behavior. The method comprises the following steps that first data which is transmitted by a CAN bus connected with at least one set of acquisition equipment and corresponds to a set part state of a target vehicle is obtained; the first data is acquired by the at least one set of acquisition equipment; second data output by a switching amount output line of at least one set of switching equipment on the target vehicle is obtained; driving state data which is generated by a satellite positioning vehicular terminal and corresponds to the target vehicle is obtained; the first data, the second data and/or the driving state data are comprehensively analyzed according to a set algorithm, and target vehicle state information and driving behavior information are generated according to an analysis result. The technical scheme provided by the embodiment of the invention can comprehensively consider many vehicle part state parameters so as to realize identification of the vehicle state and the driving behavior; a communication module and a positioning module of the satellite positioning vehicular terminal are shared by using a splitting type structure, so that the hardware cost is reduced.

The invention discloses an adaptive projection color compensation method. By analyzing the collected color calibration reference image, the method first stretches the color range of the original projected image for preprocessing, and performs global brightness compensation on the initial color compensation image, checks and optimizes the pixel color compensation value, and then uses the optimized The color compensation method of the Lambert reflection model corrects the color of the projected image, and finally eliminates the interference of the inherent texture of the projected surface and the ambient light on the projected image. Using the self-adaptive color compensation method disclosed in the present invention to project in the daily life environment can get rid of the dependence of traditional projection equipment on professional projection screens, and observers cannot visually perceive the inherent texture of the projection surface and the effects of ambient light on the projected image. Color deviation, to obtain a projected image that meets the expected expectations, and finally achieve the effect of projection on a white flat screen.

The invention discloses a multi-angle dynamic light scattering particle size distribution measuring device and method. The device comprises a laser device, a colorimetric dish, a rotary displacement table, a receiving module, a photon counter and a computing and processing module, wherein the colorimetric dish is used for containing nano-particle suspension liquid to be measured, the rotary displacement table is provided with an outer disc and an inner disc, the receiving module is located on the outer disc, rotates around the rotating axis with the outer disc and is used for receiving light scattered by the nano-particle suspension liquid to be measured at different angles, the photon counter is used for recording the information about the time-variable light intensity of the scattered light received by the receiving module at different angles, and the computing and processing module is used for computing the particle size distribution of nano-particles in the nano-particle suspension liquid to be measured according to the received scattered light and recorded time-variable light intensity information. The detecting deviation problem existing when different-angle dynamic light scattering information is detected by using multiple detectors is avoided, and the multi-angle dynamic light scattering particle size distribution measuring device is good in stability and high in measuring accuracy.

The invention discloses an automatically-aligned numerical control cutting method for a pre-printed image plate, which comprises the following steps of: A, extracting the profile of an image to be printed, and generating an initial numerical control machining code according to the extracted image; B, adding more than two identical identifying images at the blank of the periphery of the image to be printed; C, printing the image to be printed with the identifying images on the plate; D, clamping the pre-printed image plate obtained by the step C on a workbench of a numerical control cutting machine, and identifying the positions of the identifying images on a machine tool through a camera fixed on a main shaft of the numerical control cutting machine so as to establish the relation of conversion of coordinates between an image coordinate system and a cutting machine coordinate system; and E, editing the initial numerical control machining code obtained by the step A according to the relation of the conversion of coordinates obtained by the step D to obtain a directly-positioned numerical control machining code, so that the numerical control cutting machine cuts according to the obtained numerical control machining code. The automatically-aligned numerical control cutting method has the advantages of low hardware cost, simple and convenient operation and high alignment accuracy.

The invention relates to a projection system used for presenting a stereoscopic image and a method thereof. The projection system comprises a lens, an image generator, an optical control unit, a polarization unit and a driving device, wherein the lens is used for projecting an image on a display screen; the image generator is used for alternately outputting a first group of image beams in a first time sequence and a second group of image beams in a second time sequence, and the first group of image beams and the second group of image beams have different visual angles; the optical control unit is used for reflecting the first group of image beams or the second group of image beams which are transmitted by the image generator to the lens; the polarization unit is used for outputting the first group of image beams and the second group of image beams in a polarization way when being rotated to a first angle and a second angle respectively, and the first angle and the second angle have an angle difference of 90 DEG; and the driving device is used for driving the polarization unit to be rotated to the first angle or the second angle. The projection system has the advantage of high imaging quality and equipment cost and space saving.

The invention provides a radar sensor which comprises an optical transmitting unit and an optical receiving unit. The optical transmitting unit is used for transmitting a single laser beam and can divide the single laser beam into three laser beams, the optical receiving unit is used for receiving reflected target light echo signals of the three laser beams in a projection area, and consists of two optical receiving modules, and each optical receiving module is used for receiving the reflected target light echo signals of the corresponding two adjacent laser beams of the three laser beams in the projection area. Correspondingly, the invention further provides a target direction identification method implemented by the aid of the laser sensor and an automobile comprising the laser sensor. Compared with the prior art, the laser sensor is simple in structure and low in hardware cost, and targets within a large-range area in front of the automobile can be identified.

The invention provides a system and method for realizing a multi-card multi-standby mobile phone function by a virtual method. The system comprises a mobile phone body with a single subscriber identity module (SIM) card slot, a software detection module and a memory module, wherein the SIM card slot supports insertion of one or more external SIM cards; the software detection module is used for detecting the system information of the inserted SIM card, and duplicating the system information of the SIM card to the corresponding memory module; and the memory module divides the SIM card to the corresponding memory module on the basis of the system information of the SIM card detected by the software detection module, and is used for storing subsequent communication information generated on the basis of the SIM card. By utilizing he system and method provided by the invention, the technical problem that the requirement of increasing the multi-card function and the requirement of restricting the appearance volume are contradictory; the multi-card multi-standby mobile phone function is realized by the virtual method, the space volume of the mobile phone is saved to assist a mobile phone designer to better complete structure stack and ensure the multi-card multi-standby mobile phone to be thinner and smarter, and mobile phone manufacturers can save hardware cost of multiple card slots.

The embodiment of the invention discloses an information processing method and electronic equipment. The information processing method comprises the following steps of collecting a collection image including eyes of a user; analyzing the collection image; obtaining a first edge shape of the limbus corneae in the collection image; determining the relative position of the eye ball center relative to the image collection unit by using the differences between the first edge shape and the second edge shape, wherein the second edge shape is the edge shape formed by collection through right aligning the image collection unit with the limbus corneae; determining the optic axis of the eyes of the user according to the eye ball center and the pupil center in the collection image; determining the gazing point of the eyes of the user on the displaying unit according to the crossing point of the optic axis and a display unit.

The invention discloses current detection device and method. The device comprises a voltage detection circuit, an operational amplifier circuit and a microprocessor, wherein the voltage detection circuit is used for detecting voltage at two ends of each of at least three metal oxide semiconductor field effect transistors (MOSFETs) in a power inverter circuit of a driver; the operational amplifier circuit is used for respectively obtaining breakover current of a corresponding bridge arm of the power inverter circuit according to the voltage and the conduction resistance of each MOSFET and also for providing the sampled current obtained after amplification treatment to the microprocessor; the microprocessor is used for carrying out analog-to-digital conversion on the sampled current and then carrying out current reconstruction on the sampled current subjected to analog-to-digital conversion according to the space vector pulse width modulation (SVPWM) sector, so as to obtain at least three phases of output phase current of the driver. By adopting the current detection device and method, the current is detected by an inherent inverse MOSFET bridge arm, so that the hardware cost is saved, meanwhile, the same performance as the current sensor can be achieved, and the detection device has excellent cost advantage for a low-voltage vehicle driver and also has the beneficial effects of small power consumption, easy accomplishment of printed board layout and the like.

The invention discloses a system and a method for performing remote image monitoring on crop growth information. According to the system and the method, after an embedded image collector collects image information, information and redundant information, which are irrelevant to the crop growth, in the image information are removed, deep compression is performed, and then the embedded image collector and a remote monitoring server perform coordinated control on the real-time image transmission velocity, so that under the condition of limited transmission bandwidth, an effect of integral and high-quality transmission of massive image monitoring information is realized, and the intelligent and economical transmission of a crop growth process image is realized. The system and the method are applied to monitoring of agriculture information with the characteristics of wide image monitoring device distribution region, high quantity and limited transmission bandwidth.

The invention relates to an audio signal transfer device. The audio signal transfer device comprises an input port, an output port, a booster unit, a rectification unit and a filter unit, wherein the input port comprises a first audio signal input pin, which is used for receiving the audio signals transmitted by an audio signal-transmitting device and outputting the audio signals to the input endof the booster unit, the booster unit is used for boosting the audio signals inputted by the input end of the booster unit and outputting the boosted audio signals to the input end of the rectification unit via the output end of the booster unit, the rectification unit is used for rectifying the boosted audio signals inputted by the input end of the rectification unit and outputting the rectifiedlevel to the input end of the filter unit via the output end of the rectification unit, and the filter unit is used for filtering the level inputted by the input end of the filter unit and outputtingthe filtered direct-current level to the power output pin of the output port via the output end of the filter unit.