99results about How to "Avoid endless loop" patented technology

An optical proximity correction method includes the following steps: acquiring a current correction mask plate figure subjected to at least one time of optical proximity correction, and performing optical simulation on the current correction mask plate figure to acquire a simulation figure; comparing the simulation figure and a target figure to obtain an error of multiple border positions; when the error of the border positions is greater than a preset value and the distance from a to-be-corrected edge of the current correction mask plate figure to an adjacent mask plate figure is greater than the minimum design size of a mask plate, correcting the to-be-corrected edge of the current correction mask plate figure; when the error of the border positions is greater than a preset value and the distance from a to-be-corrected edge of the current correction mask plate figure to an adjacent mask plate figure is equal to the minimum design size of the mask plate, moving outwards an adjacent edge of the to-be-corrected edge of the current correction mask plate figure; and repeating the procedures until the error of the border positions is within the preset value. The method disclosed by the embodiment of the invention improves the efficiency of optical proximity correction.

The invention discloses a method for obtaining upstream and downstream time slot proportion information, which comprises the following steps: resources that are occupied by a physical hybrid automatic retransmission indicating channel PHICH in a specified subframe are determined; resources that are occupied by a physical downstream control channel PDCCH in the specified subframe are determined according to the resources occupied by the PHICH; signaling indicating information that is transmitted in the PDCCH channel is detected; and a dynamic broadcast channel D-BCH is detected according to the signaling indicating information transmitted in the PDCCH channel, thus obtaining the upstream and downstream time slot proportion information that is transmitted in the D-BCH. The invention simultaneously discloses a device for obtaining the upstream and downstream time slot proportion information, the method and the device can be adopted for obtaining upstream and downstream time slot proportion.

The present invention provides a handover method applied to high-speed railways. The method is applicable to the scene of inter-frequency handover. The method includes: when the network side judges that the first N users in the front position of the high-speed railway need to be handed over, Send switching commands to these N users, keep the preset switching execution interval between the switching of these N users, and initiate blind switching to other users in the high-speed rail, so that the switching of each user maintains the The preset handover execution interval, in the present invention, all handover commands are issued before the disturbance is raised. The present invention also provides another high-speed railway switching method suitable for different-frequency switching scenarios, and two high-speed railway switching methods suitable for same-frequency switching scenarios. Applying the invention can improve the handover success rate of users in high-speed railways.

The invention provides a verification method for branch instructions and branch prediction functions in a speculation execution processor. The method includes the steps: S1 initializing drive and monitoring information; S2 judging whether the processor launches instruction fetching applications or not, executing S3 if the processor launches the instruction fetching applications, and executing S2 if not; S3 judging whether instruction fetching production line signals are effectively emptied or not, terminating operation if the signals are effectively emptied, returning the S2, and executing S4if not; S4 judging whether the instruction fetching production line signals are effectively paused or not, executing S4 if the signals are effectively paused, and executing S5 if not; S5 simulating instruction fetching cache logic of the processor, driving acquired random instructions on an instruction fetching logic interface of the processor, eliminating coupling relationships among instructionsand program counters, and setting corresponding instruction fetching signals into an effective state; S6 packaging and transmitting instruction information when instruction fetching signals are effective. According to the method, the branch instructions and the branch prediction functions of the speculation execution processor are sufficiently verified, and the utilization ratio and the testing efficiency of the random instructions are greatly improved.

The invention relates to a database updating synchronization method and system and a database cluster. The method comprises the steps of receiving an updating command for a first database, and identifying whether the updating command is a copied updating command or not according to a preset database session attribute; if not, converting the updating command into a new updating command containing same data operation information; judging whether a second database linked with the first database meets a preset real-time updating condition or not; if the preset real-time updating condition is met, sending the new updating command to the second database for execution; and if the preset real-time updating condition is not met, storing the new updating command for the second database, and performing synchronous updating delay on the second database according to the stored updating command. According to the method, the system and the database cluster, the endless loop during updating synchronization of the databases in the cluster can be avoided and the overall data updating synchronization speed of the cluster is increased.

The invention provides a public transportation multi-source data fusion based IC card swiping station matching method. The method is characterized in that data resources of a card swiping system and a GPS vehicle movement recording system are fused; and the optimal time lapse amount is obtained based on an adaptive random search algorithm to eliminate the time difference between the card swiping system and the GPS vehicle movement recording system so as to realize IC card swiping station matching. According to the IC card swiping station matching method, equipment regulation and changing is not required, while equipment adding is not required as well; therefore, low computation burden and high computation speed are realized; and the mutual matching between the IC card numbers and card swiping stations can be effectively realized, so that guest flow statistics and data mining can be facilitated.

The invention discloses a user behavior analysis method under a LINUX system. The user behavior analysis method comprises the steps of (01) automatically triggering a LINUX scheduled task in a timed mode, forming new data in a previous preset time period, and storing the new data into a database; (02) judging whether user behaviors in the current time period are processed or not, if the user behaviors are processed, directly exiting the user behavior analysis, and if the user behaviors are not processed, reading user behavior logs in the previous preset time period; (03) filing and combining the behavior logs obtained in the step (02) to form new data, and executing the operation of updating the data; (04) judging whether the execution of the operation of updating the data succeeds or not, and if the execution of the operation of updating the data succeeds, ending the user behavior analysis; if the execution of the operation of updating the data does not succeed, recording the cause of the failure, and judging whether the user behavior analysis can be carried out again or not. Compared with the prior art, the multi-thread synchronization processing is achieved, the response speed is high, and reliability is high.

The invention provides a method for starting an ECU. The method aims at solving the problem that an ECU start falls into an endless loop in the prior art. The method includes the steps that after the ECU is initialized, whether an application program is normal or not is detected; if the application program is abnormal, the application program is refreshed, and if the application program is normal, whether an application program refreshing instruction sent externally is received or not is detected; if the application program refreshing instruction sent externally is received, the application program is refreshed, and if the application program refreshing instruction sent externally is not received, the application program is executed. According to the method for starting the ECU, the ECU start is prevented from falling into the endless loop. The invention further provides a system for starting the ECU.

The invention provides a flexibility detection system of a circuit board. The flexibility detection system is connected with an upper computer and a detection module through an RS232 bus, automatically detects the circuit board through a detection module, can transmit a detection result to the upper computer to display in real time, and can simultaneously detect various circuit boards. By aiming to the difference of detection conversion time of the various circuit boards, the flexibility detection system puts forward a scheduling method of improving priority through classification inversion, automatically regulates the priority of occupied bus and reasonably allocates the time of the occupied bus. The flexibility detection system of the circuit board can realize the automatic detection on the circuit board, especially is suitable for low-cost detection of small-batch various circuit boards, can effectively improve the detection precision, reduces the labor intensity of workers, reduces the cost and the development difficulty of a system, and meets the requirements in modernization production.

The invention relates to a planning method for a crown block route facing a transportation system of a semiconductor production line. The planning method comprises the following steps: arranging key points of a paved rail and recording coordinates; assuming a turnout part to be completely communicated in two directions; splitting rail data, and constructing a directed graph by adopting the key points and the rail between the two points; and finding the route from a starting point according to the direction of the directed graph, calculating the distance between the starting point and a target point by adopting the coordinates of the key points, and finding out the shortest route. The planning for the crown block route facing the transportation system of the semiconductor production line can be used for dealing with complicated conditions of the rail; and the shortest route from the transportation starting point to a destination is rapidly found out and the operation efficiency of a crown block is improved.

The invention discloses a method for randomly generating examination paper. The method includes steps of S1, acquiring examination question information inputted by users; S2, judging whether examination questions in examination question banks are matched with the examination question information or not, executing a step S4 if the examination questions are matched with the examination question information, or executing a step S3 if the examination questions are not matched with the examination question information; S3, modifying the examination question information and returning to the step S2; S4, randomly extracting the examination questions from the examination question banks according to the examination question information and generating the examination paper according to the extracted examination questions. The method and the device have the advantages that the examination questions in the examination question banks are compared to the examination question information inputted by the users, whether the paper can be successfully constructed or not can be quickly judged in a local similar backtracking mode, accordingly, the quality of random algorithms can be guaranteed, large quantities of useless operation and infinite loops can be prevented before paper constructing failures, the paper constructing time can be saved, the paper constructing efficiency and the quality of the examination paper can be improved, and the paper constructing success rate can be increased.

The invention provides an optimization scheduling method based on an RS485 bus system. A detection system is connected with an upper computer and a plurality of node units through an RS485 bus and a control signal line; the upper computer is a DSP; the node units are PLCs; and according to the system, distributed control can be realized. According to the system, for different node communication emergency degree, the scheduling method for updating node unit priorities according to a dynamic competition strategy is provided; the priorities of occupying the bus are automatically adjusted; and the time of occupying the bus is allocated reasonably. According to the system, the advantages that a great deal of data is processed by the upper computer rapidly and the node units are high in reliability are exerted, and the system is characterized by simple debugging.

The invention discloses an oscilloscope automatic calibration method based on gain judgment. The oscilloscope automatic calibration method comprises the steps of: calculating a theoretical gain control word of a digitally controlled attenuator corresponding to each amplitude gear of an oscilloscope at first; reading a digitally controlled attenuator gain control word corresponding to a current amplitude gear from existing calibration data before automatic calibration of each amplitude gear; if the digitally controlled attenuator gain control word is within an error range of the theoretical gain control word, executing automatic calibration of the corresponding amplitude gear, otherwise, jumping over the amplitude gear; and outputting automatic calibration information to a user so as to prompt the user after calibration of all the amplitude gears is completed. The oscilloscope automatic calibration method based on gain judgment avoids the overtime waiting time in the traditional automatic calibration process when the gain is incorrect through carrying out gain judgment in advance, can effectively avoid the endless loop caused by the incorrect gain, shortens the automatic calibration time of the oscilloscope when the gain is incorrect, and improves the automatic calibration efficiency and user experience of the oscilloscope.

Embodiments of the invention relate to a memory recovery method, a device, electronic equipment and a storage medium, and relate to the technical field of computers. The method comprises the steps oftriggering a low memory management service to perform a cleaning operation on a target process if it is detected that a memory allocation operation on a preset process fails; and if it is detected that the cleaning operation is finished, performing a recovery operation on a memory page of the target process, and continuing to perform a memory allocation operation on the preset process through therecovery operation. According to the technical scheme, the memory can be recycled in time, the memory shortage condition is relieved, and the system performance is improved.

The invention relates to a photovoltaic new energy automobile power supply management intelligent control system, which comprises a power supply management intelligent control module used for controlling each core system in an automobile to execute power shortage prevention and power failure prevention operations according to the state of a driver and providing emergency power supply control signals for each electric appliance of the automobile, a photovoltaic type current collection and energy storage module used for providing an independent emergency power supply for the power supply management intelligent control module and a vehicle emergency door controller, and a driver detection module used for detecting the driver state and transmitting the driver state to the power supply management intelligent control module. Compared with the prior art, the system has the advantages that power shortage and power failure can be prevented, an emergency power supply can be provided, and the like.

The invention discloses a sheet metal paint spray booth of automobile spare parts. The sheet metal paint spray booth of the automobile spare parts comprises a paint spray booth body, wherein a filtering cotton bearing bracket is connected to the upper end of the left side of the paint spray booth body; an air inlet chamber is arranged at the upper end of a wallboard; axial flow fans are arranged at two sides of the lower end of the air inlet chamber; a filtering frame is connected to the middle part of the paint spray booth body; mid-effect filtering cotton is connected to the filtering frame; lamps are connected to two sides of the lower end of the filtering frame; a water tank of which the lower end is connected with a water curtain is arranged at the lower end of the right side of the paint spray booth body; a foundation is connected to the bottom end of the paint spray booth body; settling treating water is at the upper end of the foundation, and a paint molecule filtering net is connected to the upper end of the settling treating water; an air exhaust pipeline is connected to the right end of the paint spray booth body; an air outlet which is connected with an exhaust gas purifying device is connected to the right end of the air exhaust pipeline. The sheet metal paint spray booth of the automobile spare parts meets the paint spraying requirement of large spare parts; the settling treating water is at the lower end of the foundation, so that water mist can be prevented from being directly sprayed to various machines in the paint spray booth, and meanwhile, the requirement of paint mist treatment can be met.

The invention provides a movable lateral sliding type uncovering garbage can based on microwave induction technology. The movable lateral sliding type uncovering garbage can comprises a sliding cover, a can body and a base plate with four wheels. The can body is installed on the base plate with the four wheels. The sliding cover is installed on the can body. The sliding cover comprises two layers of fixed supports and a slidable cover face. The slidable cover face is clamped between the two layers of fixed supports. A microwave positioning device and an electromagnetic mechanical control device are installed on the sliding cover. A microprocessor, a power device and a movable device are installed inside the base plate with the four wheels. A radio frequency identification device, a Bluetooth device and an intelligent reminding device are installed inside the can body. The microwave positioning device, the electromagnetic mechanical control device, the power device, the movable device, the radio frequency identification device, the Bluetooth device and the intelligent reminding device are connected with the microprocessor. According to the garbage can, no manual uncovering is needed, so that the garbage can is sanitary and clean; a user does not need to be reminded to open the cover, so that the intelligent degree is high, the large-range deviation can be automatically adjusted, and use is more free.

The invention discloses a formalized semantic based BPMN2.0 (Business Process Management Network 2.0) execution engine, which is a native BPMN2.0 execution engine and can be used for directly executing a BPMN2.0 language. The method comprises the steps that firstly, executable formal semantics of the BPMN2.0 language are defined, the correctness of the executable formal semantics is verified, then the executable formal semantics are applied to a K framework, a Z3SMT resolver is fused, and an executable engine of the BPMN2.0 language is achieved. The execution engine does not need to be converted into a third-party language, and manpower and material resource cost for checking correctness of the business process model is saved.

The invention provides a multi-computer communication method based on single-chip microcomputers, which is used to realize master-slave type communication of a plurality of single-chip microcomputersand RS422 bus connection among the various single-chip microcomputers. A master computer is used to calculate priorities of various slave computers by using data lengths, scanning times, slave computer addresses, and then is used to allocate data transmission orders, until transmission of all data is completed, and at last, by adopting a communication efficiency quantization method, communicationefficiency is evaluated, and is used as a basis of priority parameter optimization. The priorities are adjusted dynamically, the communication efficiency optimization parameters are quantized, andtherefore the priorities are guaranteed, and line communication resources are fully used. According to the invention, realization is simple, and requirements on actual application are satisfied.

The invention relates to the technology of video image processing, specifically to a ring graph processing method of flow chart nodes in video effect processing. In establishing the connection relations of a flow chart, the method comprises: first searching for the upstream nodes of basic nodes through recursion, to avoid the appearance of ring graphs in the connection of flow chart basic nodes and lay a foundation for the processing of flow chart node ring graphs; and in generating node ring graphs, directly through decomposing container nodes, replacing the container nodes with the basic nodes from decomposition, thereby solving the problem of closed connection loops in the flow chart and avoiding the appearance of endless loops in the flow chart processing.

The invention discloses a replenishing method of a mobile electronic payment system, which comprises the step of judging whether replenishing information sent by a transaction background is received; the step of replenishing and recording of mobile electronic equipment when receiving the replenishing information; the step of canceling the replenishing when the replenishing information is not received; the step of replenishing again when the replenishing information is not received. The invention avoids endless loop generated because the transaction background fails to send the replenishing information to a mobile terminal, ensures the replenishing process of the whole mobile electronic payment system to be normally operated without disturbance, thereby truly realizing wireless replenishing.

The invention provides a device and a method capable of optimizing the interactive reading and writing of shared memory data. Firstly, the time test is carried out on a shared memory operation step, then the writing cycle of the data update of the writing end device is determined, and then the reading and writing of the data are carried out. If the password is applied successfully, the reading andwriting are carried out. If the request password fails, the process of requesting and releasing the password is performed in a cycle at fixed intervals within a reasonable time until the request password is successful and the read / write operation is performed. The device and the method of the invention can solve the technical problem of unsuccessful operation caused by reading and writing the data in the operated port when the read and write data exist in the sharing in the prior art, and the device and the method of the invention can solve the technical problem of unsuccessful operation caused by reading and writing the data in the operated port.

The invention discloses a plastic optical reflecting cover for a tube lamp with an lenticular array on the surface. The plastic optical reflecting cover comprises a lamp assembling port and a light distribution cover, wherein the lamp assembling port is fixed on the bottom end of the light distribution cover, the lenticular array structure is arranged in the light distribution cover, the lenticular array structure is a semispherical structure, a prism structure, a pyramid structure, a rectangular lens structure, a pyramidal structure, a semi-cylindrical structure, a semi-elliptical structure and a parabolic curve structure; the lenticular array structure is distributed in a triangular form, a regular hexagonal form, a rectangular form, a radiative form, a circular form and an elliptical form. By adopting the plastic optical reflecting cover, no optical dead corner exists, the light energy utilization rate is increased, and a purpose for increasing the light emitting efficiency and light emitting uniformity can be realized.

The invention discloses a control method for N2O reduction in a sewage biological nitrogen removal process and a system. According to the method, hydraulic retention time (HRT) of an anaerobic-aerobicsection is controlled by adopting OPR-pH joint control in an anaerobic-aerobic activated sludge nitrogen removal process by using a styrene butadiene rubber (SBR) method, so that the adding amount ofexternal nutrients is automatically controlled; furthermore, the system for realizing the control method is provided. The control method and the system can guarantee stable treated water quality on the basis of controlling discharging of greenhouse gas N2O; the ammonium-nitrogen removal rate can be up to 99 percent or above, and energy consumption can be reduced.

The invention provides a computer power source which comprises a shell, a circuit board, a first thermal conductive plate, a first fan and a first air outlet. The shell comprises a bottom plate, the circuit board is arranged on the bottom plate, and the first thermal conductive plate is perpendicular to the bottom plate. The circuit board comprises a first side and a second side opposite to each other, and the first thermal conductive plate comprises a first horizontal portion and a first inclined portion which are connected with each other. The included angle between the first inclined portion and the first horizontal portion is an obtuse angle, the first horizontal portion makes contact with the first side of the circuit board, the first inclined portion comprises a first suspended end, and the first suspended end is adjacent to the second side of the circuit board. The air inlet position of the first fan is opposite to the first inclined portion, a first air outlet is perpendicular to the first fan, and the first air outlet is adjacent to the first side of the circuit board. By means of the structure, through the guide action of the inclined portion of a heat dissipation system of the computer power source, hot air in the shell is discharged out of the air outlet in the same direction, hot air circulation is avoided, and the heat dissipation effect is improved.

The invention provides a loading data method of client unlimited information flow without pause and segmentation. The method includes the following steps and is described from S1 to S9: S1 Users sends primary request; S2 A client and a server establish network configuration; S3 The client downloads the first set of data sets and the total number of the data sets regarding the primary request from the server. S4 The client extracts the data sets that need to be displayed and the data sets start to display; S5 The step is about judging if the next data sets come out according to the total number of the data sets and continuing the step S6 if the answer is yes and stopping downloading data sets if the answer is no; S6 The step involves downloading the client that is related with data sets of the sub request and caching the data sets in the client cache unit; S7 The users send sub request; S8 The step is on judging whether the next data sets that is read by the data sets exist and continuing S4 if the answer is yes and S9 if the answer is no; S9 the all process is finished. The invention has the advantage of saving the waiting time caused by reading data loading when users use wireless information flow.

The invention discloses an integrated type vertical air conditioning unit. The integrated type vertical air conditioning unit comprises a first cabin body and a second cabin body, wherein the first cabin body is positioned above the second cabin body; an evaporating air-feeding device is arranged in the first cabin body; a U-shaped condenser is arranged on the inner part of the second cabin body;one side, opposite to the bottom surface of the U-shaped condenser, of the second cabin body is equipped with an access door; and a condensing fan is mounted on the access door in a fastening mode. The air conditioning unit adopts an integrated type vertical side heat dissipation structure, saves space, and can be convenient for maintaining equipment inside the air conditioning unit.

The invention discloses an updating method of clock skew as well as an announcing method and device of clock skew information, belonging to the technical field of communications. The updating method comprises the steps: receiving information from a communication opposite terminal; obtaining the types of the information according to the information type fields of the information; and updating the local clock skew according to the types of the information and the information. The device comprises a receiving module, an obtaining module and an updating module. When the information from the communication opposite terminal is received, the information types are obtained according to the information type fields of the information, and the local clock skew is correspondingly processed according to the information types, so that when 0-length application data are received, the information types can be exactly distinguished, the dead circulation of the information can be avoided, and the communication error rate can be reduced.

The invention discloses a solar air-conditioning system having charging, control and lightning protection functions. The system comprises a solar cell, a solar controller, a storage battery and a variable frequency air conditioner. The solar controller comprises a charging circuit, a control circuit, a lightning protection circuit and a discharge circuit. The variable frequency air conditioner comprises an inverter circuit. The lightning protection circuit comprises a sixty-first fuse, a sixty-first resistor, a sixty-second resistor, a first piezoresistor, a second piezoresistor, a sixty-first diode, a sixty-second light-emitting diode and a discharge tube. The system can protect lighting effectively, improves system safety performance, can protect activity of the storage battery when charging the storage battery, can prolong the service life of the storage battery, can improve charge efficiency of the storage battery, prolongs power consumption time of the storage battery, has good self-startup capability, prevents an endless-loop state, is simple in circuit structure, is low in cost and can realize a good lightning protection effect.