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 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.

A slot allocation apparatus for allocating slots in communicating with plural mobile stations in accordance with FDD/TDD scheme includes (a) traffic property detecting means for detecting a property of input traffic; (b) slot allocation priority determining means for determining which of an uplink and a downlink should be given a higher priority for the slot allocation, based on a priority of the traffic derived from the detected property of the input traffic; and (c) slot allocating means for allocating the uplink and downlink slots for the mobile stations, based on the determination result.

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.

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.

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 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.

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.

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.

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%.