39results about How to "Solve the crash problem" patented technology

The invention provides a method for positioning a faulted memory in a linux system. The method comprises that error types and fault positions of the faulted memory are judged quickly and problems such as server halting and blue screens caused by memory faults are solved quickly by usage of mcelog records produced by the system according to the actual physical slot comparison relationship without regard to judgments and records of memory faults provided by a mainboard baseboard management controller (bmc). Compared with existing memory fault judgment methods, the method has the advantages that the method is independent of a memory fault tracking and positioning function of the mainboard bmc; on-site repetition of pressure tests to wait for faults and exchange of memory tests to position the faulted memory are not required, and the fault appearance frequency, fault reasons and fault positions can be determined quickly according to generated mcelog logs; and the implementation method is simple, and the efficiency for judgment and solving of problems can be improved.

The invention relates to a charge pump. The charge pump can amplify an input voltage which is received at an input end and output the amplified output voltage at an output end. The charge pump comprises a plurality of transistors of which sources and drains are coupled, a plurality of overlapped transistors and a plurality of diode connection type transistors, wherein the transistors of which the sources and the drains are coupled serve as charging capacitors; the overlapped transistors are connected between the input end and the output end in a symmetric arrangement mode; and the diode connection type transistors are used for preventing the transistors of which the sources and the drains are coupled from being broken down in a charge transfer process and improving a charge transfer speed. The charge pump can be integrated on a chip by replacing the charging capacitors with the transistors of which the sources and the drains are coupled; and the problem of breakdown of the transistors can be solved by arranging the diode connection type transistors in the charge pump.

The invention relates to a method for keeping the real-time online of a scoring system based on mobile communication network. The mobilephone system is additionally provided with an automatic reconnection sub-thread outside a user operation main thread which is in charge of processing user operations; the automatic reconnection sub-thread is in charge of intermittently checking whether the mobilephone is disconnected or not, and if the mobilephone is disconnected, a wireless network is automatically reconnected; outputted data of the user operation main thread and the automatic reconnection sub-thread is respectively connected to the internet by a wireless communication module to realize data exchange with a server; and when the user operation main thread and the automatic reconnection sub-thread simultaneously use the wireless communication module, a thread lock is applied to the thread which firstly uses the wireless communication module, and the other thread waits for the occurrence of the idle state of the wireless communication module. The method can keep the real-time online of the scoring system, and reduces the generation of misoperation, dead halt and locking, thereby increasing the reliability and the accuracy of data transmission and being more convenient to use.

The invention is applicable to the technical field of a STB (Set Top Box) and provides a STB starting method and a STB starting device. The method comprises the following steps of: when the STB is started, a bootstrapper and block state information in an NAND Flash bootstrapper preserved storage region are read; the STB operates a bootstrapper initialization memory; when data in a NAND Flash is loaded into the STB, the STB loads a binary file of an initiator in a normal block into the memory until completing loading the complete initiator; and the STB operates the initiator in the memory to be started. According to the invention, the initiator is written into the normal block by acquiring the block state information in the process of burning the NAND Flash and storing the block state information into the NAND Flash; and when the STB is started, the block state information is read, the initiator in the normal block is loaded into the memory and the initiator is executed to start the STB, so that the problem of crash in the starting process, which is caused by the case that data of a bad block is possibly loaded when the bootstrapper loads initiators of more than one block, is solved.

The invention relates to an N-type diamond semiconductor monocrystal and a production method thereof. The crystal contains nitrogen ions, lithium ions and beryllium ions regularly arrayed in the crystal, wherein the total content of nitrogen-lithium atom pairs, nitrogen-beryllium atom pairs and lithium-nitrogen-beryllium atom pairs is 100-10000ppm, the size of the semiconductor monocrystal is 0.3-10mm, and the crystal is a regular hexahedron, a regular octahedron or a hexahedron-octahedron. The production method comprises the following steps of: mixing graphite powder, a metal catalyst, lithium nitride and beryllium nitride in proportion, pressurizing to 100-300MPa to carry out cold isostatic pressing treatment, relieving the pressure, then breaking the mixed materials, placing the broken mixed materials into a mold to press to form columnar synthetic columns, sintering in vacuum, filling synthetic blocks, and processing in a high-temperature high-pressure oriented magnetic field; breaking the synthetic columns, performing electrolysis and separating by using a shaker to obtain the N-type diamond semiconductor monocrystal. The monocrystal provided by the invention is good in conductivity, high in optical-to-thermal energy conversion efficiency, suitable for manufacturing solar batteries, LED (Light Emitting Diode) sources and high-performance chips, and stable in performance.

The embodiment of the invention discloses an equipment application program updating method and device, equipment and a storage medium. The method comprises: a current program of the equipment sendinga dog feeding signal to a watchdog module according to a set time interval; if the running program of the equipment needs to be changed, the current program modifying the program starting address in the starting area of the storage equipment and stopping sending the dog feeding signal to the watchdog module; if the watchdog module does not receive the dog feeding signal within the set time, sending a reset signal to a central processing unit of the equipment; and restarting the central processing unit according to the modified program starting address. According to the embodiment of the invention, the watchdog module acquires the accurate power-off time point according to the process of the upgrading program; and the equipment is automatically powered off and powered on, so that the situation that the power-off operation is carried out without modifying the starting address is avoided, and the problem that the equipment crashes due to the fact that the power-off operation is carried out without modifying the starting address during upgrading of the equipment is solved.

The invention provides a data error correction method for image processing systems and a device thereof, and the method comprises a row judgment step and a column judgment step. The row judgment step: whether the receiving data size of the current row is larger than the threshold of the row width is judged, if so, redundant data is dropped, otherwise the data of the next row is adopted to make up the current row; the column judgment step: whether the receiving data size of the current frame is larger than the threshold of the frame height is judged, if so, redundant data is dropped, otherwise the data of the next column is adopted to make up the current frame. The method has an advantage that dead halt or other abnormal conditions of the system caused by row data deficiency or frame data deficiency can be prevented.

The invention relates to a double-driving system of a concrete mixer carrier vehicle The double-driving system of the concrete mixer carrier vehicle comprises a vehicle frame; a front steering assembly is arranged in front side of the vehicle frame; a steering execution assembly is arranged under the vehicle frame; a back driving assembly is arranged on the back side of the vehicle frame; the back driving assembly is arranged inside a back cab; the front steering assembly comprises a front steering wheel, a first front steering support, a second front steering support and a full hydraulic pressure steering device; the steering execution assembly comprises a steering power cylinder assembly with a connector, a steering transverse pull rod assembly, an oil cylinder seat, a right bending arm, a left bending arm, a rocking arm seat, a rocking arm, a copper sleeve and a straight-through type pressure injection oil cup; the back driving assembly comprises an expanded cab, an auxiliary support seat, a fixing frame, a pedal fixing seat, a cab bottom plate and a chair seat. The double-driving system of the concrete mixer carrier vehicle realizes two-direction driving through switching between front driving and back driving, solves a problem that the vehicle is hard to turn around in a narrow roadway, solves a problem that vehicle collision happens due to a poor reversing vision and improves a phenomenon that original mechanical steering is labor-consuming.

The invention relates to the field of electronic products, and particularly relates to a tablet computer with good heat dissipation. The invention is aimed at providing a tablet computer for efficiently dissipating heat via a comprehensive heat dissipation structure, thus solving the problem of crash or burnout due to too high temperature of the tablet computer. According to the technical solution, the tablet computer with good heat dissipation comprises a shell, a heat sink strip is arranged on the shell, a plurality of radiating ribs are arranged on the heat sink strip, a heat dissipation air duct is arranged in the heat sink strip, one end of the heat sink strip is connected with a heat dissipation fan, the air outlet of the heat dissipation fan is communicated with the heat dissipation air duct, and the heat dissipation fan is electrically connected with a power line of the tablet computer; and the shell is also provided with a plurality of heat dissipation holes. The invention is applicable to a tablet computer with good heat dissipation.

The invention discloses an electrical self-control system of a sludge pumping device. The electrical self-control system comprises a left main cylinder reversing valve, a right main cylinder reversingvalve, a left swing cylinder reversing valve, a right swing cylinder reversing valve, a left position sensor, a right position sensor signal, a motor, a touch screen, an electric control cabinet, a hydraulic-control valve/electric-control valve and a PLC controller, wherein the hydraulic-control valve/electric-control valve is arranged at the front end of the motor; the left main cylinder reversing valve and the right main cylinder reversing valve are arranged at the two ends of a main cylinder valve block of a sludge pump; the left swing cylinder reversing valve and the right swing cylinderreversing valve are arranged at the two ends of a swing cylinder valve block of the sludge pump; the left position sensor and the right position sensor signal are arranged at left and right sides of awater tank cover plate on the main cylinder end part of the sludge pump; the motor, the left main cylinder reversing valve, the right main cylinder reversing valve, the left swing cylinder reversingvalve, the right swing cylinder reversing valve, the hydraulic-control valve/electric-control valve, the left position sensor and the right position sensor signal are separately connected with the PLCcontroller; and the PLC controller is connected with the touch screen and the electric control cabinet. The electrical self-control system is high in safety, is simple in wiring, is complete in function, and is high in intelligent degree.

The invention discloses a dual-core work system and method for an electronic tag system. The dual-core work system comprises a main controller and a monitoring controller. A corresponding IO interface of the main controller is connected with a corresponding IO interface of the monitoring controller through an interface circuit, and a wireless transceiver is internally or externally arranged on the main controller in a connecting mode. According to the dual-core work method, the work mode that the main controller and the monitoring controller are in mutual real-time monitoring and regular restoration is mainly used. The dual-core work system and method can meet the requirements for being strong interference resistance, low in cost, low in power consumption, capable of achieving monitoring in real time, and capable of completely solving the problem of dead halt and restoring regularly of the electronic tag system at present, and is particularly suitable for electronic tag systems under complex electromagnetic environments.

The invention relates to the technical field of electronic devices and discloses a read parameter selection method and apparatus. The read parameter selection method comprises the following steps of reducing an output driving capability of a memory and an application processor; performing a data read operation on the memory, selecting out a wrong read parameter, and if the wrong read parameter cannot be selected out, continuing to reduce the output driving capability of the memory and the application processor until the wrong read parameter is selected out, wherein a clock signal corresponding to the wrong read parameter is a first clock signal; and selecting a read parameter of a sampling point corresponding to a second clock signal in a sampling period of the first clock signal, wherein the second clock is spaced from the first clock signal for a preset duration. Therefore, the read parameter of the memory can be correctly and effectively selected out and the problem of system halt caused by unreasonable read parameter selection is solved.