91results about How to "Simplify hardware configuration" patented technology

The invention discloses a CAN bus gateway controller and a data transmission method of CAN buses, and the gateway controller comprises a first CAN transceiver, a second CAN transceiver, a microcontroller and a data storage module, and the first CAN transceiver, the second CAN transceiver and the data storage module are respectively connected with the microcontroller. The method can effectively prevent the condition of data packet loss caused by inconsistent protocol and velocity of two CAN buses and improve the reliability of data transmission through the forwarding control and arrangement of data buffering; meanwhile, communication status diagnosis results of each node can be sent out periodically, then each node on the CAN buses can know the network status of other nodes, and the real-time monitoring is simple, so as to favor the development of network communications and facilitate the fault detection and data analysis. The CAN bus gateway controller only need two identical CAN transceivers, the hardware configuration is simple, the compatibility problem does not exist, and the reliability is higher.

The invention provides an intelligent high-voltage management system of an electric car. According to the intelligent high-voltage management system of the electric car, a signal collecting system collects the car operation state, failure detection object state and car posture state in real time; an intelligent high-voltage control unit receives an instruction of a vehicle control unit (VCU) and / or a battery management system (BMS), enables a high-voltage electricity distribution system to normally distribute electricity to vehicle high-voltage equipment and feeds back the execution result to the VCU and / or the BMS; meanwhile, fault diagnosis and detection are carried out on the high-voltage electricity distribution system according to collected data and received vehicle real-time interaction data; the fault type is determined according to a preset fault database, the high-voltage electricity distribution system is made to execute the high-voltage electricity on-off control logic under the preset fault types, and the diagnosis result is stored and sent; the high-voltage electricity distribution system caries out high-voltage electricity distribution, high-voltage electricity on / off control, circuit overcurrent protection and high-voltage pre-charging on all high-voltage devices of the car according to the instruction of the intelligent high-voltage control unit. The intelligent high-voltage management system of the electric car realizes intelligent management of high-voltage electricity of the whole car, and better improves the high-voltage safety of the electric car.

The invention provides an automatic stacking / reclaiming system for a bulk cargo storage yard. The automatic stacking / reclaiming system comprises a stacker distributed in the storage yard and provided with a stacking cantilever, a reclaimer distributed in the storage yard and provided with a reclaiming cantilever, a first laser scanning device installed on the stacking cantilever and used for acquiring scanning data of the storage yard, a second laser scanning device installed on the reclaiming cantilever and used for acquiring the scanning data of the storage yard, a stacking positioning device and a reclaiming positioning device for acquiring GNSS positioning information, a stacker control device, a reclaimer control device, a remote stacking processing device and a remote reclaiming processing device. The stacker control device and the reclaimer control device acquire and output the GNSS positioning information, receive a stacking control signal and a reclaiming control signal, and control the stacker and the reclaimer to execute corresponding stacking / reclaiming actions according to the control signals. The remote stacking processing device and the remote reclaiming processing device receive a stacking instruction and a reclaiming instruction input by a peripheral user, acquire coordinate information of the corresponding storage yard according to the instructions, the scanning data and the GNSS positioning information, and generate stacking / reclaiming path information to serve as the stacking / reclaiming control signals to be output to the stacker control device and the reclaimer control device. The automatic stacking / reclaiming system is based on GNSS positioning, and is high in accuracy and low in cost, data can be shared, and automatic operation of the bulk cargo storage yard is achieved.

The invention discloses a reliable method for controlling a panel to autonomously track the sun. To meet the energy requirement of a satellite, the solar panel having a one-dimension rotation function is installed on the satellite, and the normal of the panel is made to point to the sun through controlling the rotation of the panel and the attitude of the satellite. According to the invention, no sun sensor is required to be installed on the panel, the information of the solar vector and the current attitude of the satellite are neither needed to be detected by an on-satellite sensor, the rotation target angle of the panel is calculated only according to a sun model and the satellite orbit, then different control areas are set through designing reasonable angle thresholds, the panel is controlled to work at different modes according to the division of the control areas, the switching frequency of the panel among different modes can be lowered through choosing reasonable thresholds, and thus the situation that the panel frequently stops and rotates to disturb the satellite attitude and influence the working life of a motor is avoided. The method for controlling the solar panel to autonomously track the sun is simple and effective, low in implementation cost, and convenient for engineering implementation.

The embodiment of the invention provides a remote control method, terminal equipment, a management server and a remote control system. The method is applied to a C / S network system, and the network system comprises the terminal equipment and the management server integrated with an FTP server. The method comprises the steps that a processor of the terminal equipment operates a first ISO file, a network association IP address and FTP service end information are obtained from a BMC of the first ISO file, the first ISO file is mounted on the terminal equipment in advance through the management server, the processor is in communication with the FTP server through the IP address and the FTP service end information, and a remote configuration file is obtained from the FTP server through the first ISO file so as to execute remote control. The problems that in the prior art, a network management system must comprise a DHCP server and a TFTP server and can remotely control the terminal equipment, and consequently, the remote control cost is high are solved.

Disclosed are an apparatus and method of diagnosing a failure of a switch element used to switch on or off external connection of a battery. The apparatus according to the present disclosure is an apparatus for diagnosing a failure of a switch element provided on a first line between a first electrode of a battery and a first external terminal, the apparatus including a current measuring unit configured to measure a current flowing through a second line between a second electrode of the battery and a second external terminal, a diagnosis resistor and a diagnosis switch provided on a third line to connect an outer node of the switch element and an outer node of the current measuring unit, and connected to each other in series, and a controller configured to apply a control signal for turning on or off the switch element, to the switch element, to turn on the diagnosis switch after the control signal is applied and then receive a measured current value from the current measuring unit, to determine a level of the current flowing through the second line, by using the measured current value, and to diagnose a failure of the switch element by comparing the current level to a reference current level.

The image output apparatus of the invention includes a main unit group of multiple main units connected in series to perform preset series of image processing and a pass unit group of multiple pass units connected in series to be parallel with the multiple main units. The averaged data of the tone values of four pixels generated by a black / white edge processing unit are sequentially transferred through the main unit group. The standard edge data and the noise data generated by a color conversion unit are sequentially transferred through the pass unit group, synchronously with the transfer of the averaged data through the main unit group. The data transferred through the pass unit group enters an inner-block smoothing unit to go through the smoothing process. The image output apparatus of the invention has the hardware configuration that allows flexible design change according to the required series of image processing.

An alignment changing control device that includes: a motor drive section which adjusts electrical power supplied to a motor of the electric actuator according to an operation command and, when receiving an operation inhibiting signal, limits or stops supplying the electrical power to the motor; a motor temperature estimating section for calculating an estimated temperature of the motor from at least a current supplied to the motor, an outside air temperature and a vehicle speed, based on heat balance relationship; and a comparators which transmits the operation inhibiting signal to the motor drive section when the estimated temperature of the motor calculated by the motor temperature estimating section is higher than a predetermined temperature, which is equal to or lower than an operation allowable temperature of the motor.

An embodiment of the invention discloses a dual-computer hot redundancy back-up method and a dual-computer hot redundancy back-up system. The dual-computer hot redundancy back-up method comprises the steps: a second server defaulted as a slave device monitors the working state of dual-computer hot redundancy back up through a heartbeat package channel between the second server and a first server defaulted as a main device; and if the working state is stoppage, the second server is shifted to be the main device. The hardware configuration is simple, and the network transmission flow can be decreased only through one heartbeat package channel. In the embodiment scheme, one device is defaulted as the main device, and the other device is defaulted as the slave device. When the main device breaks down, the time interval of fault detection is short, the efficiency is high, and compared with about 10 seconds by means of the existing technical scheme, the fault detection work only needs about 3 seconds by means of the method.

A storage apparatus includes a drive unit device including a plurality of storage drives, a drive interface unit and a power supply unit, the storage drives being configured to provide a physical storage area for creating a logical storage area to be used by an external apparatus, the drive interface unit being configured to input and output data to and from the storage drives, the power supply unit being configured to supply operation power to the storage drives and the drive interface unit, a storage controller including a plurality of processing units and a drive control interface unit, the processing units being configured to perform a data input / output process via the drive interface unit, the data input / output process including a process of writing data from the external apparatus into the storage drives and a process of reading data out of the storage drives, the drive control interface unit being configured to issue a command to the drive interface unit in response to a request from each of the processing units, a failure existence / non-existence recording part configured to record, for every attempt of each of the plurality of the processing units to perform the data input / output process via a plurality of data paths which are communication paths for performing data transfer to and from the drive interface unit of the drive unit device, whether the relevant data input / output process was successful for each of the data paths, and a failure detection unit configured to perform a power failure detection process which, in a case where one of the plurality of processing units has determined that the data input / output process with the drive interface unit has not been performed successfully, determines whether a result of the data input / output process performed by each of the other processing units has been recorded in the failure existence / non-existence recording part within a predetermined period of time after an abnormality of the relevant data input / output process has been recorded in the failure existence / non-existence recording part, and, in a case where the first processing unit which has detected the abnormality in the data input / output process has determined that the data input / output process abnormality is recorded in the failure existence / non-existence recording part for all the data paths, provides an instruction to stop the data input / output processes to the drive unit device in which the data input / output process abnormality has been detected and other drive unit devices coupled downstream of the relevant drive unit device.

Full-motion video data with a sub-picture and sound is recorded in a DVD-ROM drive. The DVD-ROM drive is connected to an ATAPI interface. Using a data buffer of the ATAPI interface, an MPEG stream is transferred to an MPEG2 decoder on the system board at a variable rate, and video data, audio data, and a sub-picture included in the MPEG stream are decoded by the MPEG2 decoder incorporated in the system. The decoded sub-picture is drawn in a VRAM as in normal VGA graphics. The sub-picture image drawn in the VRAM is synthesized with the video from the MPEG2 decoder by a multimedia display controller and displayed on a screen.

The embodiment of the invention discloses an operation control method of a virtual reality application. The method comprises the following steps: tracking and acquiring a current head gesture parameter of a user, and determining the moving state of the head of the user according to the current head gesture parameter; determining a user input event corresponding to the moving state of the head of the user according to a pre-established corresponding relationship of the head moving sate and the user input event; and executing a function corresponding to the user input event according to the user input event corresponding to the moving state of the head of the user. By establishing a mapping relationship between the moving state of the head and the user input event, a user can operate and interact with a virtual reality application content while tracking the head gesture to establish a virtual reality scene, so that VR interactive experience which is strong in immersion, more comfortable to use and convenient is brought to the user.

A control unit detects a system timing from a Sync message received from a 1x base station, controls a 1x RAKE receiving unit, a 1x spreading unit, a 1xEV-DO RAKE receiving unit, and a 1xEV-DO spreading unit on the basis of detected system timing, and controls a transmit-receive timing with the 1x base station and a transmit-receive timing with the 1xEV-DO base station.

A method for effecting synchronous pulse generation for use in variable speed serial communications is provided. The method includes the steps of obtaining a communication link speed; generating a difference signal representing a signal level difference between at least two data stream signals; providing a clock signal; providing a counter; defining a sample count value of the counter using the communication link speed; incrementing the counter in relation to the clock signal; and determining whether a current count value of the counter corresponds to the sample count value. If the current count value corresponds to the sample count value, then the method performs a step of generating a synchronous pulse. If the current count value does not correspond to the sample count value, then the method performs a step of determining whether a signal level of said difference signal has changed, and if the signal level of the difference signal has changed then performing a step of ignoring further changes in the signal level of the difference signal until the current count value of the counter corresponds to the sample count value at which time the step of generating the synchronous pulse is repeated.

A large-view-field high-resolution imaging device based on a solar surface layer conjugate adaptive optical system is composed of the surface layer conjugate adaptive optical system and a high-resolution image reconstruction system, wherein the surface layer conjugate adaptive optical system comprises a tracking subsystem, a multi-sight-line wavefront sensor, a surface layer atmosphere wavefront corrector, a wavefront controller and an imaging subsystem. The device is characterized in that the surface layer conjugate adaptive optical system is used firstly for detecting and correcting surface layer turbulent flows and improving the imaging quality in a large view field; and part of corrected images are reconstructed by the high-resolution image reconstruction system, so that high-resolution sun images are obtained. According to the device, the surface layer conjugate adaptive optical system is used for eliminating the influence of surface layer turbulent flows, improving the atmospheric seeing, enhancing the imaging signal-to-noise ratio and improving the imaging quality, so that the high-resolution reconstruction of sun images is accurate and efficient, and the device is of great importance to solar physics research.

This invention relates to a textile device management network system including multiple management units and multiple node units, in which, the management units and the node units are connected wirelessly to compose radio data transmission network system, the node units include two work states of receiving signals and emitting signals, the management units include two work states of receiving signals and emitting signals, since the radio network system is composed of node units and management units connected wirelessly, and it's only necessary to mount very small node units in the control cabin of a woven mechanical device bringing into the management, installing management unit on the USB interface of a management computer and the system can work, and one management unit can control multiple node units, so it's suitable for weaving workshops with multiple and compact devices.

The invention discloses a positioning method and a positioning system for a back barrier material of a sheet shear or a bending machine. The positioning method comprises the following steps of: arranging a motion control component and a displacement measuring component in the bending machine or the sheet shear; during positioning, shutting down motor output on the back barrier material which is a certain distance away from a target position in a way of combining motor driving with an inertia effect, and driving the back barrier material to approach the target position by means of inertia; and when positioning does not meet the positioning accuracy, automatically judging the positioning direction according to the current position of the back barrier material, outputting corresponding motor positive and negative rotating signals, driving the motor to move by a very small distance according to preset output duration and a positioning direction, computing a positioning error once again, and repeating relevant judgment and corresponding operation till positioning is completed and a position signal is output. Due to the adoption of the method and the system in the sheet shear or the bending machine, the positioning accuracy of the back barrier material can be increased greatly on the premise of not using any frequency converter or servo motor, hardware equipment of a machine tool is simplified, and equipment cost is lowered.

A signal processing device (2) includes an amplifier (3), an A / D converter (4) and a signal processor (5). The amplifier (3) amplifies a sensor signal that is supplied from a radio wave sensor (1) and depends on a motion of an object. The A / D converter (4) converts the sensor signal amplified by the amplifier (3) into a digital sensor signal. The signal processor (5) converts the sensor signal output from the A / D converter (4) into a frequency-domain sensor signal by Discrete Cosine Transform processing, estimates a background signal contained in the frequency-domain sensor signal, based on an error signal obtained from the sensor signal and a reference signal which is white noise, and determines a filter coefficient according to the estimated background signal, thereby operating as an adaptive filter for removing the background signal from the sensor signal in the frequency domain.

The invention relates to a transformer cooler precise and intelligent control device based on AD sampling.The device comprises a central management module, a plurality of motor protection modules, a power module and a spare power automatic switching module, wherein the motor protection modules are in one-to-one correspondence with coolers of a cooler unit, and each motor protection module is used for acquiring the motor operating state of the corresponding cooler and feeding the motor operating state back to the central management module; the spare power automatic switching module is used for power supply switching according to the states of a main power supply and a reserve power supply, and the central management module is used for controlling the work of the cooler unit according to the operating states of fan motors and oil pump motors of the coolers.By the adoption of the device, system wiring is easy, construction and maintenance are convenient, reliability is high, the complicated air cooling motor protecting function can be realized, fully-automatic cooler balanced operation and working conditioning monitoring can be achieved, and the application range is wider.

The invention discloses a net cage netting damage monitoring method and system based on monocular space-time continuous images. The method comprises an unsupervised learning network model training step; a netting image processing step, comprising the following steps: (1) scanning a netting by using a monocular camera to obtain a plurality of spatially continuous netting local images; (2) inputtingthe local image of the netting into an unsupervised learning network model to obtain a preliminary image of the netting; (3) repairing and splicing the shielded area in the preliminary image of the netting to obtain an overall image of the netting; and (4) carrying out damage detection on the whole image of the netting. According to the netting damage monitoring method, the whole process is automatically detected and analyzed, manpower consumption in netting damage detection can be effectively reduced, and the netting damage condition can be monitored in real time with high precision. And compared with an underwater robot, hardware configuration required by the method is simpler, and the cost is low.

This invention relates to an image processing apparatus capable of processing plural jobs at a high rate. The image processing apparatus is comprised of first and second buffer memory devices, which are independent of each other and configured to be simultaneously accessible; a compression-extension device, which is exclusively connected to each of the buffer memory devices; a control section to assign a buffer memory device to input image data raster by raster (one page of the image data) when executing input processing of the image data, which is input from a scanner or executes output processing of the image data to a printer section, so that the control section regulates and changes the image data flow raster by raster.

A method for controlling the bottom dead center of a slider of an oil press is applied to an oil press system in a servo valve control mode. The position of the slider of the servo valve oil press is controlled in a PID (proportion, integration and differentiation) manner, when the slider is switched from a work-feeding state into a pressure maintaining state, an integral error upper limit is additionally dynamically changed, the running speed and the stopping position of the slider are controlled, and repeat precision of the bottom dead center of the slider is within a range from minus 0.02mm to 0.02mm assuredly. The method solves various problems when control of the position of a slider of an oil press is actually used in the prior art, a numerical control system of the oil press does not need to be externally connected with any other auxiliary equipment, hardware configuration of the system of the servo valve oil press is greatly simplified, equipment cost is greatly lowered as compared with that of an overseas like product, operation is simple and convenient, maintenance is easy, and the control precision of the position of the bottom dead center of the slider reaches the range from minus 0.02mm to 0.02mm.

An ion trap mass spectrometer with high sensitivity for detection in the high mass-to-charge ratio is provided. with separate measurement of square-wave voltages on the positive and negative electrode sides applied to a ring electrode in rectifying circuits and smoothing the measured voltages in integrating circuits, respectively, the areas of square-wave voltages on the positive and negative electrode sides are replaced with the peak values h1 and h2 of DC signals, respectively. A comparator circuit outputs the difference of said peak values as the error signal Δ, and variable delay circuits adjust the amount of delay of control signals so that the error signal Δ becomes zero. This changes the relative phase relation between control signals on the positive and negative electrode sides that turn on and off the switches, and renders the duty ratio of square-wave voltages nearly 50%.