34results about How to "Realize online modification" patented technology

The invention discloses a device for detecting 80C31 single event effect. A power module supplies power for a main detecting CPU and a detected 80C31; a current acquisition card acquires the current supplied for the detected 80C31 and sends the acquired current value to a host computer; when the current value exceeds the preset threshold value, latch happens; the host computer sends command to the power module and a power module 0 disconnects power of the detected 80C31; the main detecting CPU receives codes of test program from the host computer through a serial port and writes the received codes in SRAM; the detected 80C31 reads the codes from SRAM and operates the test program according to the read codes as well as stores the program operation results in a double-port RAM temporarily; the main detecting CPU extracts the operation results from the double-port RAM and sends the results of occurrence of single event upset to the host computer. The invention realizes the online downloading and revision of the test program with complete test contents and high device reliability.

The invention discloses a regenerative device and method for desulfurized and denitrified active coke. The regenerative device comprises a regenerative reactor, wherein the regenerative reactor is composed by the connection of an inlet blocking valve, a feeding bin, a heating bin, a regenerative bin, a precooling bin, a cooling bin, a discharging bin, and an outlet blocking valve in sequence; a heating heat exchanger component is arranged in the heating bin; a precooling heat exchanger component is arranged in the precooling bin; a cooling heat exchanger component is arranged in the cooling bin; a nitrogen carrying bin for inletting ammonia nitrogen gas to improve the desulfurization and denitrification performances of regenerated active coke during regeneration process is arranged between the precooling bin and the cooling bin. The regenerative method adopts the regenerative device to conduct the regeneration of the active coke. According to the invention, more reasonable utilization of energy can be realized in the regeneration process to allow the desulfurization and denitrification performance of the regenerated active coke to obtain further improvement; on-line modification can be conducted on the active coke through the nitrogen carrying bin to keep high desulfurization and denitrification performance of the active coke.

The invention discloses an industrial robot remote service and monitoring system which comprises a hardware data collector Box, a robot data and management server and a WEB page access server. The hardware data collector Box sends a data request to a robot master controller in a polling manner; the robot master controller receives the request, gives a response and feeds back data to the hardware data collector Box; the hardware data collector Box sends the data regularly to the robot data and management server through a 3G network; and the robot data and management server sends the data to a user browser. The industrial robot remote service and monitoring system can realize interaction between a user and a robot, can detect and record various operating parameters of the robot remotely and carry out diagnosis and preliminary elimination on the remote faults, and can assist local technical personnel to detect and eliminate the faults of the system.

The invention provides an intelligent contract auditing method, which comprises the following steps of importing the contract text information; judging whether the contract text information is qualified or not according to a review rule database created by using a historical review record in advance; and when it is judged that the contract text information is unqualified, outputting the prompt information. According to the invention, the contract text information can be accurately reviewed, the online editing and modifying functions can be provided, the prompt information can be output in timeaccording to problematic risk terms, the labor hour input of law and maintenance personnel during contract review is reduced, and the contract transfer efficiency is improved.

The invention relates to an ion source in an analytical instrument, in particular to a beta radioactive ion source modified by ozone. A part of O2 in clean air is firstly translated into O3 through an ozone generating device and then enters the beta radioactive ion source, and O2-(H2O)n reagent ions generated by the clean air in the beta radioactive ion source are reacted with O3 to generate new reagent ions O3-(H2O)n. The new generated reagent ions can not only generate electron transfer reaction with electronegative compounds (such as explosive some substances and halogen compounds), but also generate O- transfer reaction with some components (such as SO2 and CO2), so that number of the channels of compound ionizing in the beta radioactive ion source are increased, and the enlargement of detectable range of the compounds can be benefited.

The invention provides an exhaust temperature monitoring device of a supercharged diesel engine for a ship and a monitoring method. The device is composed of a power supply module (1), thermocouple signal conditioning modules (2), a controller module (3), CAN bus modules (4), RS422 bus modules (5) and a temperature compensation signal conditioning module (6). The controller module (3) provides all interfaces, the power supply module (1) provides a stable power supply separated from an external power supply for the whole device, each thermocouple signal conditioning module (2) comprises four measuring channels, each CAN bus module (4) comprises two CAN bus interfaces, each RS422 bus module (5) comprises two RS422 bus interfaces, and the temperature compensation signal conditioning module (6) comprises two PT1000 thermocouple measuring channels. The invention has convenient use and easy extension and can meet the requirement of exhaust temperature monitor of the diesel engine for the ship and the comprehensive monitoring of the diesel engine.

The invention discloses online grinding equipment for a cathode roller, and belongs to the technical field of cathode roller grinding equipment. According to the technical scheme, the key point is that the online grinding equipment comprises a bracket fixed to the side of the cathode roller, wherein a slide rail and a slide base, which are matched, are arranged on the bracket in the axial direction of the cathode roller; a mounting frame is arranged on the slide base; a rotary frame is movably connected on the mounting frame; a plurality of grinding wheels are uniformly distributed on the rotary frame in a spaced mode in the peripheral direction; each grinding wheel is movably connected to the rotary frame through a bearing; one end of the rotary shaft of each grinding wheel extends to theoutside of the rotary frame, and the end part of the rotary shaft is provided with a driven contact drive disc; a negative-pressure dust sucking cavity is arranged on a radial slide base between therotary frame and the cathode roller; and the negative-pressure dust sucking cavity is in pipeline connection to an external negative-pressure dust removal system. The invention aims to provide the online grinding equipment, which is in delicate in structure, is convenient in use and is good in effect, for the cathode roller, and the online grinding equipment is used for online grinding of the cathode roller.

The invention discloses a method and device for online DDL table structure modification of a relational database, and relates to the field of relational databases (MySQL). The method comprises the steps: creating a shadow table according to a DDL function needing to be modified while an original table is not locked and a service system continuously maintains DML operation on the original table; after the shadow table is created, copying the data in the original table into the shadow table; checking the copy data in the shadow table and the data of the original table; and when the verificationresults of the shadow table and the original table are consistent, guaranteeing the consistency of the copied table data, copying and renaming the shadow table of the original table data, replacing the original table. The whole DDL table structure modification process does not affect normal operation of online services at all, and efficient processing of a large number of threads in the table structure modification process is guaranteed, and normal operation of a service system can be maintained, and target writing operation of a front-end application is not affected.

The invention discloses a DSP based multipath detection device and a detection method thereof; the detection device comprises a signalling channel switching control module and a power supply module; the signalling channel switching control module synchronically sends a packet signal into a signal preprocessor module connected with the signalling channel switching control module; the signal preprocessor module is connected with a signal comparison module and an AD acquisition module; the signal comparison module and the AD acquisition module are connected with a master control chip; the master control chip is connected with a communication module, and connected with a storage module; the detection method comprises the following steps: starting, initializing all modules, carrying out device hardware signal pathway self-test, determining self-test success, determining whether to carry out fast rotation speed measurement or not, only carrying out rotation speed measurement, determining whether an assigned rotation speed is reached or not, simultaneously measuring rotation speed vibration amplitudes, checking whether a communication order exists or not, interrupting a subprogram, sending device work abnormity information, and finishing the work. The DSP based multipath detection device is high in cost performance, and strong in self-test ability, thus improving device versatility and interchangeability.

The invention is microcomputer intelligent lock system, which mainly made up of keyboard circuit, bit driving circuit, microprocessor, and lock head electromagnetic driving circuit, memory, protecting circuit, power control circuit. The keyboard circuit, bit driving circuit, and the memory are connected to the microprocessor directly; the buzz instructing light circuit, lock head electromagnetic driving circuit, power control circuit, and the protecting circuit are connected to the bit driving circuit; the protecting circuit controls the read and write of the memory; the microprocessor is connected with a PC to change the cipher code; the direct current electric signal uses the thyristor to control the alternate current power of the electric lock; a returning hook device is arranged in the electric lock for ensuring the safety when closing the door. The lock uses electron switch, has no arc or spark; the inputted cipher code may reach to 16 bits, it can change the cipher code online.

The invention provides a satellite attitude and orbit control semi-physical simulation integration method and system, and the method comprises the steps: constructing a satellite dynamics mathematical model, setting parameters and / or signals needing to be set as faults in the model as global variables, and converting the global variables into a corresponding Rtw format model; compiling and packaging the Rtw format model into a real-time dll dynamic model, deploying the real-time dll dynamic model to an attitude and orbit control dynamic simulation machine, and performing signal interaction with an attitude and orbit control interface simulation module; the attitude and orbit control dynamics simulation machine outputs a dll dynamics model interaction signal, conditions the dll dynamics model interaction signal and then transmits the dll dynamics model interaction signal to the satellite service computer; and the satellite service computer transmits the semaphore of the attitude and orbit control execution mechanism, the semaphore is conditioned and then transmitted to the attitude and orbit control simulation interface module, and satellite attitude and orbit control semi-physical simulation integration is completed. According to the method, the real-time performance, the reliability, the simulation platform cost and other aspects can be greatly improved; on-line modification of all parameters of attitude and orbit control dynamics can be realized, fault parameters can be set, and test coverage is improved.

The invention is microcomputer intelligent lock system, which mainly made up of keyboard circuit, bit driving circuit, microprocessor, and lock head electromagnetic driving circuit, memory, protecting circuit, power control circuit. The keyboard circuit, bit driving circuit, and the memory are connected to the microprocessor directly; the buzz instructing light circuit, lock head electromagnetic driving circuit, power control circuit, and the protecting circuit are connected to the bit driving circuit; the protecting circuit controls the read and write of the memory; the microprocessor is connected with a PC to change the cipher code; the direct current electric signal uses the thyristor to control the alternate current power of the electric lock; a returning hook device is arranged in the electric lock for ensuring the safety when closing the door. The lock uses electron switch, has no arc or spark; the inputted cipher code may reach to 16 bits, it can change the cipher code online.

The invention discloses an access control method, device, equipment, and a medium. The method comprises the steps of querying target information of a volume under storage equipment connected with an iSCSI client by using a preset iSCSI protocol capacity query algorithm; judging whether an unauthorized access volume unauthorized to access by the iSCSI client exists in volumes under storage equipment connected with the iSCSI client or not according to the target information; and if so, sending error information to a local kernel, so that the iSCSI client does not access the unauthorized access volume. In this way, under the condition that normal service operation is not affected, access control over volumes of the storage equipment end can be conducted, the problems of data loss and the likeare avoided, and access permission of different volumes of the same storage equipment end can be modified online.

The invention discloses a device for detecting 80C31 single event effect. A power module supplies power for a main detecting CPU and a detected 80C31; a current acquisition card acquires the current supplied for the detected 80C31 and sends the acquired current value to a host computer; when the current value exceeds the preset threshold value, latch happens; the host computer sends command to the power module and a power module 0 disconnects power of the detected 80C31; the main detecting CPU receives codes of test program from the host computer through a serial port and writes the received codes in SRAM; the detected 80C31 reads the codes from SRAM and operates the test program according to the read codes as well as stores the program operation results in a double-port RAM temporarily; the main detecting CPU extracts the operation results from the double-port RAM and sends the results of occurrence of single event upset to the host computer. The invention realizes the online downloading and revision of the test program with complete test contents and high device reliability.

The invention provides a password modification method for an enterprise bank authentication medium, and relates to the technical field of information security. The method comprises: if it is judged that an enterprise authentication request passes authentication, sending authentication passing information to a first client terminal; receiving an applicant identification request sent by the first client terminal; checking the real condition of the applicant, and if the real condition of the applicant is checked successfully, sending a password resetting authorization request to a second client terminal; receiving confirmation authorization indication information sent by the second client terminal; checking the real situation of the authorizer, and if it is judged that the real situation of the authorizer passes checking, sending password resetting permission information to the first client terminal; and receiving a password resetting request sent by the first client terminal, and sending password resetting indication information to the manufacturer server to reset the password. The device is used for executing the method. According to the password modification method and device for the enterprise bank authentication medium provided by the embodiment of the invention, the password modification efficiency of the bank authentication medium is improved.

The invention discloses a WAF management method and system. The method comprises the following steps: receiving a WAF instance creation request sent by a front end; determining quantity information ofeach WAF part and task name information corresponding to each WAF part according to the WAF instance rule and the deployment information; determining virtual machine quantity information and virtualIP quantity information according to the determined quantity information of the WAF parts; extracting virtual machine account information and virtual IPs of the corresponding number from a resource pool according to the determined virtual machine number information and virtual IP number information; sending the task name information of each WAF part and the corresponding virtual machine account information to a task center; according to the method, when the WAF instance is created, the virtual machine and the virtual IP can be directly called from the resource pool, temporary definition and task configuration are avoided by setting the independent task center, and the efficiency of creating the WAF instance is further improved.

The invention belongs to the technical field of roller grinding, and particularly relates to a rotatable static pressure grinding wheel device which comprises a transverse grinding wheel feeding device, a grinding wheel rotating device and a grinding wheel driving device, the grinding wheel driving device is arranged on the grinding wheel rotating device, and the output end of the grinding wheel driving device is in transmission connection with double grinding wheels. Under the action of the grinding wheel driving device, the grinding wheels can rotate for arc opening or accurate grinding, under the action of the grinding wheel transverse feeding device, the grinding wheel driving device can horizontally move left and right relative to the bottom plate to adjust the positions of the grinding wheels, and under the action of the grinding wheel rotating device, the grinding wheels rotate. The grinding wheel driving device can rotate around a pin shaft to adjust the inclination degree of the axis of a grinding wheel, the grinding wheel driving device and the grinding wheel shaping device are both fixedly installed on the grinding wheel rotating device, arc opening and roller outer circle accurate grinding can be conducted on the same grinding machine in a stepping mode, the machining efficiency is high, the finished product quality is good, and adjustment, installation, maintenance and use are convenient.

The present application discloses an access control method, device, device, and medium. The method includes: using a preset iSCSI protocol capacity query algorithm to query the target information of the volume under the storage device connected to the iSCSI client; The target information judges whether there is an unauthorized access volume that the iSCSI client has no right to access in the volume under the storage device connected by the iSCSI client; if yes, then an error message is sent to the local kernel, so that the iSCSI client The volume without access is not accessed. In this way, the access control of volumes on the storage device side can be performed without affecting normal business operations, avoiding data loss and other problems, and realizing online modification of the access rights of different volumes on the same storage device side.

The invention belongs to the technical field of roller grinding, and particularly discloses a self-driven double-guide-wheel device which comprises a guide wheel transverse feeding device, a guide wheel shaft part device and a guide wheel shaft driving device. The guide wheel transverse sliding plate is movably connected with the guide wheel transverse feeding base through an adjusting assembly with a locking function, the guide wheel transverse sliding plate can slide left and right in the width direction of the guide wheel transverse feeding base and be locked and positioned, the guide wheel shaft device comprises a guide wheel shaft, the front end of the guide wheel shaft is sleeved with double guide wheels, and the double guide wheels are driven by a driving motor to rotate. The driving shaft rotates and drives the double guide wheels to rotate through the guide wheel shaft, arc opening and accurate roller outer circle grinding can be conducted on the same grinding machine in a stepping mode, secondary roller clamping is avoided, the roller coaxiality and the finished product quality are improved, the machining efficiency is high, the finished product quality is good, and adjustment, installation, maintenance and use are convenient.

The invention provides an exhaust temperature monitoring device of a supercharged diesel engine for a ship and a monitoring method. The device is composed of a power supply module (1), thermocouple signal conditioning modules (2), a controller module (3), CAN bus modules (4), RS422 bus modules (5) and a temperature compensation signal conditioning module (6). The controller module (3) provides all interfaces, the power supply module (1) provides a stable power supply separated from an external power supply for the whole device, each thermocouple signal conditioning module (2) comprises four measuring channels, each CAN bus module (4) comprises two CAN bus interfaces, each RS422 bus module (5) comprises two RS422 bus interfaces, and the temperature compensation signal conditioning module (6) comprises two PT1000 thermocouple measuring channels. The invention has convenient use and easy extension and can meet the requirement of exhaust temperature monitor of the diesel engine for the ship and the comprehensive monitoring of the diesel engine.

The invention discloses an intelligent LED dimming device. The device comprises a light intensity detection unit, an FPGA unit and a light power output unit. An electric signal of the light intensitydetection unit is connected to the input end of the FPGA unit, the output end of the FPGA unit is connected to the light power output unit, and the FPGA unit performs logic judgment according to an LED light intensity numerical value detected by the light intensity detection unit and performs light intensity adjustment on the light power output unit.

An intelligent voltage protection device based on an FPGA comprises a voltage transformer unit, an FPGA unit and a voltage control unit, wherein an electric signal of the voltage transformer unit is connected to the input end of the FPGA unit, and the output end of the FPGA is connected to the voltage control unit. The FPGA unit performs logic judgment according to the detection signal of the voltage transformer unit and performs protection action on the voltage control unit.

The invention discloses a rapid prototype simulation method for an aero-engine control system, belonging to the technical field of aero-engine control system design. First establish the control algorithm model, use virtual instrument technology and real-time hardware platform to carry out the prototype design of the control system, compile and download the designed aero-engine control algorithm model to the real-time hardware platform through automatic code generation technology, and quickly establish the control algorithm prototype ;Secondly, the rapid control prototype is responsible for collecting the output signal of the engine simulator after passing through the signal interface unit, and calculates the relevant control quantities of the engine according to the control instructions and sends them to the engine simulator to realize the closed-loop control of the engine; finally, the control system The designer observes the control effect in real time by monitoring the computer, continuously modifies the control algorithm model according to the designer's performance requirements for the control system, and repeats the closed-loop simulation process of the rapid control prototype until the control system designer's requirements are met.

An online prediction method for concentrate output, which method includes: Step 1: Collect the process index data of each process of mineral processing and the corresponding actual value of concentrate output; Step 2: Collect the process index data of each process of mineral processing and the corresponding actual value The actual value of the concentrate output is combined and processed; Step 3: Predict the concentrate output value online in real time; the method of the present invention is based on parameter self-tuning, and the process index data of each process collected during the mineral processing production process is updated and the training samples are added in a timely manner to participate in the training , realize online update of the model; according to the different attributes of the process index data of each process, adaptively adjust the parameters of the concentrate production prediction model and realize online modification of the model parameters, which can make the prediction model better adapt to changing working conditions. Conditions further improve the prediction accuracy of concentrate production, and mineral processing engineers can make more reasonable decisions, thereby maximizing corporate benefits.

The invention discloses a fixed value modifying method and equipment based on a credit guarantee system and a fixed value setting system. The method includes the following steps: the website server in the safety area III sends the setting file to the application server in the safety area II through reverse isolation; the application server analyzes the setting file and generates a corresponding setting modification command; The application server modifies the corresponding setting value of the corresponding protection device in the substation management machine in the safety zone II according to the setting modification command. Through the above-mentioned implementation manner, it is possible to modify the fixed value online, save time and manpower, and adjust the fixed value in time to help ensure the operation safety of power equipment at all levels.

The invention discloses online grinding equipment for a cathode roller, and belongs to the technical field of cathode roller grinding equipment. According to the technical scheme, the key point is that the online grinding equipment comprises a bracket fixed to the side of the cathode roller, wherein a slide rail and a slide base, which are matched, are arranged on the bracket in the axial direction of the cathode roller; a mounting frame is arranged on the slide base; a rotary frame is movably connected on the mounting frame; a plurality of grinding wheels are uniformly distributed on the rotary frame in a spaced mode in the peripheral direction; each grinding wheel is movably connected to the rotary frame through a bearing; one end of the rotary shaft of each grinding wheel extends to theoutside of the rotary frame, and the end part of the rotary shaft is provided with a driven contact drive disc; a negative-pressure dust sucking cavity is arranged on a radial slide base between therotary frame and the cathode roller; and the negative-pressure dust sucking cavity is in pipeline connection to an external negative-pressure dust removal system. The invention aims to provide the online grinding equipment, which is in delicate in structure, is convenient in use and is good in effect, for the cathode roller, and the online grinding equipment is used for online grinding of the cathode roller.

The invention discloses an implementation method for parallel testing of multiple PLCs, and belongs to the field of automation. The method comprises the steps that firstly, a test platform composed of a test console, an IO manager and the like is built, and an engineer compiles a test case, sets operation parameters and sends the operation parameters to a PLC remote control gateway; the test console selects n PLC numbers and m test case numbers which need to be started, inputs serial port communication channel parameters, and then sends the serial port communication channel parameters to the IO manager and the serial port switcher; the IO manager starts the corresponding PLCs and sends the m test case numbers to the corresponding n PLCs; each PLC calls a corresponding test case from the PLC remote control gateway for operation, and outputs a result; meanwhile, the operation condition of the PLC is fed back to the IO manager and is transmitted to the test console; the serial port switcher is used for respectively configuring serial port channels for the n PLCs to realize communication between each PLC and the tested case; and finally, the test console carries out real-time monitoring and parameter modification on each PLC. According to the invention, the testing efficiency and the testing capability under the condition that multiple PLCs are parallel are effectively improved.

The invention discloses a regenerative device and method for desulfurized and denitrified active coke. The regenerative device comprises a regenerative reactor, wherein the regenerative reactor is composed by the connection of an inlet blocking valve, a feeding bin, a heating bin, a regenerative bin, a precooling bin, a cooling bin, a discharging bin, and an outlet blocking valve in sequence; a heating heat exchanger component is arranged in the heating bin; a precooling heat exchanger component is arranged in the precooling bin; a cooling heat exchanger component is arranged in the cooling bin; a nitrogen carrying bin for inletting ammonia nitrogen gas to improve the desulfurization and denitrification performances of regenerated active coke during regeneration process is arranged between the precooling bin and the cooling bin. The regenerative method adopts the regenerative device to conduct the regeneration of the active coke. According to the invention, more reasonable utilization of energy can be realized in the regeneration process to allow the desulfurization and denitrification performance of the regenerated active coke to obtain further improvement; on-line modification can be conducted on the active coke through the nitrogen carrying bin to keep high desulfurization and denitrification performance of the active coke.