39results about How to "Reduce the risk of misuse" patented technology

The invention discloses a control method of power steering for lane departure driving assistance. The control method comprises the following steps: according to the speed of a vehicle and the degree that the vehicle departs from a road, calculating the target steering direction and the angle of a steering wheel, and determining a target of steering assistance; according to a relationship between the steering operation of a driver and the target steering direction and the angle of the steering wheel, determining a power gain coefficient; and enabling a power part to generate a power moment equal to a product of steering force of the driver and the power gain coefficient, and enabling the power moment to be applied on a steering gear through a power coupling device so as to assist the driver in steering. A determination method of the power gain coefficient is characterized in that when the steering direction of the driver is consistent with the target direction, the power gain coefficient is larger than a normal power gain, and when a steering angle is close to a target steering angle, the power gain coefficient gradually decreases to the normal power gain; when the steering direction of the driver is opposite to the target steering, the power gain coefficient in an initial steering stage is smaller than the normal power gain, and the power gain coefficient gradually increases to the normal power gain after a period of time.

The invention discloses a double stability control device mutual detection control method and system. The double stability control device mutual detection control system comprises two stability control devices arranged in the same transformer substation, and the two stability control devices are used for sampling detected objects. When detected object sampling results of any stability control device meet overload alarm conditions, overload action enabling signals are transmitted to the other stability control device. After any stability control device is started in an overload manner, when sampling is normal, the current and the power of the detected objects reach constant values and the overload action enabling signals from the other stability control device are received, overload actioninstructions are transmitted to controlled objects. According to the double stability control device mutual detection control method and system, on the premise of ensuring the redundancy of the system, the risk of misoperation of the system is effectively reduced by mutual detection of the two stability control devices, continuous, safe and reliable running of the stability control system is ensured, and safety and stability of an electric power system are effectively improved.

The invention relates to a control method of a safety diagnosis module in a rear collision of a vehicle, and includes the steps of: a) measuring and calculating a speed difference before and after the collision of the vehicle and collision acceleration in the collision; b) if the speed difference is greater than or equal to a first speed difference threshold value, entering Step c), and otherwise entering Step f); c) exploding a high-voltage power-off device; d) if the collision acceleration is judged to be greater than a first acceleration threshold value, entering Step e), and if the collision acceleration is smaller than a second acceleration threshold value, finishing the method; f) if the collision acceleration is judged to be greater than a third acceleration threshold value, entering Step g), and if the collision acceleration is smaller than a fourth acceleration threshold value, finishing the method; and g) exploding the high-voltage power-off device. The control method of the safety diagnosis module in the rear collision of the vehicle effectively protects passengers from injury caused by the rear collision of the vehicle, and remarkably reduces risks of wrong actions of various safety configurations in the collision.

The invention provides a method and equipment for intelligently generating a network protection strategy in a virtual environment. The method comprises the following steps: grouping data in a networkprotection log according to keywords to obtain a first set; querying in the network protection log by using each record in the first set to obtain a second set; screening the second set by using a third set composed of virtual service resources of the management platform according to the source IP to obtain a first subset and a second subset; screening the first subset by using the third set according to the destination IP to obtain a third subset and a fourth subset; marking the high-risk IPs and ports in the second subset, the third subset and the fourth subset; and pushing the marked secondsubset, third subset and fourth subset to a network protection automatic configuration service for network protection. According to the invention, a security administrator in a virtualization environment can be helped to quickly configure the network protection strategy at the initial stage of service resource operation, the efficiency and accuracy are improved, and the risk caused by misoperation is reduced.

The invention discloses a handheld device with a password authentication function and a system applying the same. The handheld device with the password authentication function comprises a plurality of input components, a storage component and a processing component, wherein each of the input components is different from other input components; the processing component is electrically connected with the input components and the storage component; the storage component stores password information; the processing component comprises a receiving module and a password authentication module; the receiving module respectively receives a plurality of input signals from the input components; and the password authentication module authenticates whether the input signals satisfy the password information or not. The invention can increase dimension and complexity of the password input, and can reduce a risk that the handheld device with the password authentication function is misapplied by others. Furthermore, the invention improves the use ratio of each of the input components on the handheld device with the password authentication function, makes the password input be changeable, and makes users have deep impressions.

The invention relates to a setting calculation method for a direct current system protection setting value. The setting calculation method for the direct current system protection setting value comprises the steps that firstly, partition and classification are performed on direct current system protection to form a corresponding protection principle template base; secondly, a mathematical model of a convertor station is built through engineering configuration, an equipment element parameter and a short dot are set, and a short-circuit current is determined through an electromagnetic transient simulation experiment; finally, the short-circuit current obtained through calculation serves as a process parameter, and protection setting calculation is performed on the process parameter and the equipment element parameter according to the protection setting principle. According to the setting calculation method for the direct current system protection setting value, the electromagnetic transient simulation experiment is performed in advance, and the protection setting calculation process is abstracted and cured to form an automatic setting calculation scheme which is standard in procedure and format; accordingly, setting value calculation of direct current system protection in a direct current transmission project does not rely on electromagnetic transient simulation software any more, the reasonability of the protection setting value is guaranteed, potential hazards of operation refusal or misoperation of protection are reduced, and the good popularization value for improving the power system automation level is achieved.

The invention relates to the technical field of information, and discloses a cooperative processing method based on remote subtitle push control, which comprises the following steps: S1, establishinga manually maintained subtitle control library based on subtitle content, a time axis and a transceiver terminal, and establishing a subtitle control library based on the subtitle content and the timeaxis in combination with communication between a server side and a client side in a local area network; so that the requirements of remotely pushing and controlling the subtitle display time, the subtitle switching time and whether highlight display exists or not to each operation site by a main control terminal are met; enabling terminal personnel of the main control end to take in charge; operation personnel to perform field operation according to the caption prompt to form a working scene of one-master multi-slave, efficient cooperative and staggered cooperative operation; partitioning subtitle content according to dimensions such as operation steps, personnel responsibilities and field conditions. According to the cooperative processing method based on remote caption push control, theefficiency of multi-party cooperative work is improved on the basis of safety and effectiveness, the safety of overall cooperative work is improved, and the real-time high efficiency of cooperative office is improved.

The invention discloses an intelligent anti-misoperation terminal processing system applicable to secondary cabin type equipment, and particularly relates to the technical field of modular cabin type intelligent substations. The system comprises a cabin body, and an intelligent anti-misoperation terminal processing device, a key registration authorization module, an auxiliary circuit module, an internet of things edge management platform, a power supply module, an RS485 communication bus, a protection terminal device, a sound-light alarm module and a distance sensing module which are arranged in the cabin body. In-cabin anti-misoperation logic with an operation order as a core is adopted, an anti-misoperation scheme is optimized by means of an intelligent cover plate of a front wiring device, audible and visual alarm on a rack, a two-dimensional code and the like, on-site mistaken touch and misoperation risks can be effectively reduced, and the anti-mistaken touch and misoperation capability is enhanced by arranging an intelligent lock control system and adopting an electronic lock and light prompt measure. Moreover, the system is small in size, is high in precision, is small in interference, is high in reliability, is high in safety, and is simple in circuit, and is easy to use.

The invention discloses a low-voltage distribution network adaptive electric leakage protection method based on communication; the method comprises the following steps that step 1, a wired / wireless communication mode is adopted to collect leakage current values measured at a plurality of same-level electric leakage protection positions in the same power distribution district area, the leakage current values are marked as I01, I02 until I0n respectively, and the average value of the leakage current values measured at the plurality of electric leakage protection position is calculated; step 2, adaptive setting of leakage current action constant values is carried out according to the average value of the leakage current values, and Iset0 is issued to each electric leakage protector in the step 1 in the wired / wireless communication mode; and step 3, each electric leakage protector determines whether to act or not according to the issued Iset0; when the I0i is greater than or equal to Iset,the i feeder line electric leakage protector acts; and or otherwise, the electric leakage protector does not act. Compared with the prior art, the adaptive scheme provided by the invention can still effectively prevent a situation that a plurality of electric leakage protectors perform maloperation at the same time when a plurality of electric leakage protectors at the same level generate relatively high leakage current due to factors such as severe weather and the like; and meanwhile, the adaptive scheme also has relatively high sensitivity when relatively low leakage current is generated.

The invention provides an isolating switch control system based on real-time state diagnosis and multiple anti-misoperation. The isolating switch control system comprises an information acquisition unit, a logic diagnosis unit, an anti-misoperation unit and a variable frequency driving unit, wherein the information acquisition unit is used for acquiring state information of an isolating switch in a motor control circuit, voltage information of a motor power supply circuit and current information during operation of a motor in real time, the logic diagnosis unit is used for determining opening permission state information and closing permission state information of the motor according to the state information of the isolating switch in the motor control circuit and a built-in opening and closing logic rule, the anti-misoperation unit is used for determining the state information of the power circuit breaker of the motor power supply circuit, and according to the state information, the opening permission state information, the closing permission state information, the voltage information and the current information of the power supply circuit breaker, determining whether opening operation and closing operation can be executed for the motor, and the variable frequency driving unit is used for controlling the operation state of the motor.

Disclosed is a system for trialing implants used in orthopedic surgery. The invention is directed to a composite trial implant that employs a polymer substrate having a size and shape to approximate abone plate, and radio-opaque indicia disposed thereon. The trial implant allows a surgeon to determine the correct size, hole configuration, and cross-sectional profile with a simulated device, thatpermits more rapid and accurate selection of a permanent implant.

The invention belongs to the technical field of nuclear power station instrument control management and provides a nuclear power station instrument control field operation standardized management platform and management platform which reduce an operating risk and improve work efficiency in such a way of establishing an equipment database and designing a data automatic analysis system and a standardized operation flow. The management platform comprises a human-machine interface device (1), an information processing device (2), a data storage module (3), and a printing device (4). The human-machine interface device (1) comprises an input module (5) and a display module (6) which are in connection with the information processing device (2). The data storage module (3) comprises an instrument control equipment essential data module (7) and a risk management and control information module (8) which are in connection with the information processing device (2). The information processing device (2) is connected with the printing device (4).

The invention discloses a medical material management system. The system comprises a data storage module, an information maintenance module, a medical staff information real-time acquisition module, an authority management module, a warehouse-in medical material data acquisition module, a warehouse-in medical material detection module, a warehouse-in medical material processing module, a warehouse-out medical material data acquisition module, a warehouse-out medical material detection module, a warehouse-out medical material processing module, a storage path pointing module and a warehouse-in / warehouse-out indication module; the system is connected with an information system on the hygienic train, and the warehouse-in / warehouse-out condition of the medical materials on the hygienic train is monitored by detecting the warehouse-in / warehouse-out quantity of the medical materials in the medical material storage warehouse in real time.

The invention discloses an analog input type merging unit protection current transformer disconnection detection method, and the method comprises the steps: judging that a protection current transformer in a merging unit is not disconnected if there is a protection current or not no matter whether there is a measurement current or not; if the protection current does not exist and the measurement current does not exist, judging that the protection current transformer in the merging unit is not broken; and if the protection current has no current and the measurement current has current, judging that the protection current transformer in the merging unit is disconnected. Under the condition that hardware of an existing analog input type merging unit is not changed, no-current / current judgment is carried out on protection current and measurement current sampling values connected into the merging unit, and therefore whether the internal protection current transformer is disconnected or not is rapidly judged; if the internal protection current transformer is disconnected, the corresponding protection current data quality in the merging unit sampling value message can be rapidly set to be invalid, an alarm is sent out, a transformer substation relay protection device is prevented from using abnormal sampling data for protection calculation, and the maloperation risk is reduced.

The invention discloses a safe cliff sightseeing elevator. The safe cliff sightseeing elevator comprises a thunder and lighting sensor (2) and an earthquake detector (3) which are arranged in a machine room (1), wherein the thunder and lighting sensor (2) and the earthquake detector (3) are connected with a MCU (4), and the MCU (4) is connected with a power supply (5); and the MCU (4) is connected with an input module (6) and an elevator master control circuit (7), and the elevator master control circuit (7) is connected with a tractor (8). The safe cliff sightseeing elevator can predict thunder, lighting and earthquake disasters in advance and automatically start an elevator coping mechanism, thereby being very great in safety.

The application discloses a T3 test loop of a reactor protection system in a nuclear power station and an optimization method thereof. In the optimization method, the T3 test loop employs parallel resistance to check current loop, and comprises a plurality of test switches, wherein at least one test switch is corresponding to a multiple paths of devices, and the at least one test switch has at least two pairs of contact in parallel connection to form parallel contacts. The application has the beneficial effects that: at least two pairs of contact in the test switches are in parallel output to drive the test loop and reduce the risk of maloperation caused by high failure rate of contacts; in one embodiment, nuclear grade relay nodes are connected into the test loop to further improve the reliability of the equipment; in another embodiment, self-locking of test signal is added for interlocking test signal in the case of switch contact failure to reduce the maloperation; and in another embodiment, additional alarm signal sent to a main control enables the normal operation and monitoring on the loop, in order to reduce the risk of refusal-operation caused by scheme optimization.

The invention discloses an attached scaffold mechanism for a high-rise building, comprising a plurality of wall-attached seats longitudinally arranged on an outer wall body of a building and further comprising a scaffold main frame. A lifting base is arranged through the plurality of wall-attached seats, two side surfaces of the lifting base are respectively provided with a small guiding channel steel, a lifting screw lead is arranged in the lifting base, the scaffold main frame is provided with a driving motor, a worm rod and a worm wheel, the worm rod and the worm wheel are matched, and the lifting screw lead is arranged in a nut hole of the worm wheel; and two sides of the scaffold main frame are respectively provided with a guide wheel seat plate and are provided with a plurality of guide wheel groups through the two guide wheel seat plates, each guide wheel group comprises two laterally-tilting-resisting guide wheels, two back-tilting-resisting guide wheels, two upper belt pin guide wheels and two lower belt pin guide wheels, the two laterally-tilting-resisting guide wheels are arranged symmetrically and bilaterally. The attached scaffold mechanism for the high-rise building, disclosed by the invention, has the advantages of reasonable structure, reliable motion, and being capable of largely reducing labor strength when a worker lifts a scaffold, and improving safety.

The invention discloses a method for suppressing trailing current and preventing misoperation of failure protection. The fault current is processed by a differential filter algorithm to obtain the first current data; the fault current is processed by the full-circle Fourier algorithm to obtain the second data. current data; processing the first current data by half-wave integration to obtain third current data; judging whether the third current data and the second current data meet the failure action threshold at the same time, and if they meet the failure action threshold at the same time, then Initiate failsafe action. The invention is suitable for the occasion where "tailing current" exists in the relay protection secondary current transformer after a short-circuit fault occurs in the power system, can effectively reduce the influence of the tailing current, and prevent malfunction protection from malfunctioning.

The invention discloses an active close-loop monitoring information source end maintenance method. The active close-loop monitoring information source end maintenance method includes automatically synchronizing a monitoring information maintenance plan to a regulation system of a first safety area; analyzing the monitoring information maintenance plan through the regulation system, and providing authorization to a substation background monitoring system according to content of the monitoring information maintenance plan; maintaining monitoring information according to authorization content; after completing maintenance, enabling the substation background monitoring system to automatically generate a latest monitoring information model and a latest graphic file, and trigger a maintenance and update ending signal; after the regulation system receives the maintenance and update ending signal, summoning the latest monitoring information model and the latest graphic file, and updating a monitoring information model and a graphic file in the regulation system. By maintaining an active close-loop source end of the monitoring information, the active close-loop monitoring information source end maintenance method greatly reduces a workload of monitoring information maintenance, guarantees timeliness and consistency of monitoring information updating of a master station and branch stations, and can effectively avoid safety problems of monitoring missing, or even mistaken monitoring, caused by unsynchronized updating of the monitoring information.

The invention relates to a control method of a safety diagnosis module in a rear collision of a vehicle, and includes the steps of: a) measuring and calculating a speed difference before and after the collision of the vehicle and collision acceleration in the collision; b) if the speed difference is greater than or equal to a first speed difference threshold value, entering Step c), and otherwise entering Step f); c) exploding a high-voltage power-off device; d) if the collision acceleration is judged to be greater than a first acceleration threshold value, entering Step e), and if the collision acceleration is smaller than a second acceleration threshold value, finishing the method; f) if the collision acceleration is judged to be greater than a third acceleration threshold value, entering Step g), and if the collision acceleration is smaller than a fourth acceleration threshold value, finishing the method; and g) exploding the high-voltage power-off device. The control method of the safety diagnosis module in the rear collision of the vehicle effectively protects passengers from injury caused by the rear collision of the vehicle, and remarkably reduces risks of wrong actions of various safety configurations in the collision.

The invention discloses a water conservancy construction buried pipe pay-off device convenient to construct in the technical field of construction pay-off, which comprises a pay-off vehicle, the pay-off vehicle comprises a vehicle frame body, and one side of the vehicle frame body is provided with an adjusting frame capable of adjusting the gravity center position of the vehicle; the lifting arm is in shaft connection with one end of the frame body, the lifting arm is lifted through driving equipment, and the lifting arm lifts the whole cable coil, so that suspended pay-off is facilitated; by designing the lifting arm, the cable drum can be directly lifted before paying off, paying off operation of the cable drum is facilitated, by designing the buffer wire frame, when a construction end is blocked by a dangerous cable, the cable drum can be conveniently lifted, and the cable drum can be prevented from being blocked by the buffer wire frame, so that the cable drum is prevented from being blocked by the buffer wire frame, and the cable drum is prevented from being blocked by the buffer wire frame. When a sudden pulling force occurs in a danger, the multi-stage buffer component can remove the pulling force, and the cable cannot directly pull the cable drum, so that the cable is protected from being damaged in the process.

The invention provides an online release method, device and system for an AIX host memory, and relates to the technical field of processing of memories for operating systems. The method comprises the steps that memory using information of an AIX host is obtained; trigger information is output according to the memory using information, wherein the trigger information is used for indicating that the AIX host is subjected to memory capacity expansion according to an online capacity expansion standard, and after the memory capacity expansion is completed, memory recognition, memory release and memory reorganization are conducted. By means of the online release method, device and system for the AIX host memory, memory resources are released on line and reorganized, system down for maintenance is not needed, and the system does not need to stop running.

The invention provides an analog disconnection fault detection method, system and acquisition device, which generates fault analog signals, performs analog-to-digital conversion on the input signals of each analog channel and the fault analog signals, and collects each analog fault at a set sampling frequency. The data after analog-to-digital conversion of the measurement channel; read the converted data, and use the sampling data of the disconnection fault analog signal as the reference value to judge whether the sampling data of each analog The sampling data of the measurement channel is compared with the reference value, and the data collected by the same analog-to-digital conversion channel for two adjacent samplings is compared for the difference. If the difference obtained by the two times of difference is less than the corresponding set value , it is judged that the analog channel has an analog disconnection fault. The invention has strong real-time performance, high detection result accuracy and high detection efficiency, reduces the risk of misoperation caused by analog disconnection, and improves the operation stability and reliability of the relay protection device.

The invention relates to an automatic control and linkage protection system for a 300 MW nuclear main pump full-flow test bed. A PLC is used as the core equipment for control, and the control of the PLC comprises the integral safety monitoring and the display and operation of equipment operation conditions, The control and safety interlocking of the machine pump lubricating oil system is achieved,and performing pressurization control and temperature reduction control on the test circulating water system; in the test process, the control system performs linkage control on the equipment according to preset linkage protection logic and specifications, the control requirements of equipment protection and equipment safety in the starting, running and stopping processes are guaranteed.

The invention relates to the technical field of a nuclear power station reactor protection system , and provides a connection structure of a nuclear power station reactor protection system and a connection method. In the connection structure, the nuclear power station reactor protection system comprises a signal logic processing apparatus and a tester. A plurality of rectangular first connector sockets are arranged on the signal logic processing apparatus, wherein each first connector socket is respectively and sequentially connected with a first connector joint, a cable and a circular second connector socket. The tester has a plurality of second connector joints connected with the second connector sockets. Compared with the prior art, contact failure of connecting with a signal logic processing device due to force-bearing deformation of inner pins of a connector joint can be eliminated, thereby ensuring normal communication and lowering risk of shutdown and specific signal error operation. The invention provides a connection method. The risk of shutdown and specific signal error operation due to test failure can be eliminated, and ideal test effect can be achieved.

The invention belongs to the technical field of power station safety, and specifically discloses a safety monitoring method for power station operation risks: the server of the safety supervision platform automatically loads industrial safety risk data, classifies the safety risks, and provides a list of safety supervision plans; the operation group starts the operation; the server synchronizes in real time The risk level is judged by time, and the supervision instruction information is sent to the supervision team; the supervision team accepts the server and selected operation items, and records the safety supervision results; the operation team pushes the results and measures to rectify according to the server, and the corrective measures are fed back to the supervision team by the server for confirmation; the supervision team For the judgment of corrective measures, if the corrective measures are denied, repeat until the supervision team approves the corrective measures; the server confirms that the safety supervision is over, and at the same time automatically updates the industrial safety risk data, and the operation group closes the operation. The method of the present invention can monitor the safety risk of the on-site operation of the power station in real time, effectively reduce potential safety hazards, reduce the risk of equipment misoperation, improve work efficiency, and improve the safety level of the power station operation.

The invention relates to the technical field of water treatment, and discloses a quick-cleaning electrochemical water treatment equipment, comprising front and rear side plates, left and right side plates, a bottom plate, a top plate and an adjustment mechanism. The number of the left and right side plates is two and they are fixedly connected to the two sides of the two front and rear side plates respectively. , the number of adjustment mechanisms is two and they are respectively arranged on the left and right sides of the corresponding surfaces of the two front and rear side plates. Through the setting of the adjustment mechanism, the capacity between the front and rear side plates and the rubber side plates is automatically enlarged during electrochemical water treatment Thereby increasing the capacity and treatment capacity of wastewater at one time, thereby increasing the efficiency of wastewater treatment, and automatically reducing the distance between the front and rear side panels and the rubber side panels during the cleaning step, so as to use less cleaning fluid to clean the front and rear side panels and the rubber side panels. Cleaning inside the rubber side panels.

The invention discloses a bus differential protection reconstruction system and method. A first group of current transformers is formed through all spaced first current transformers of bus differential protection, and the first group of current transformers is connected with a first control module for the first group of differential protection; the bus voltage of the first group of differential protection is taken from the first voltage transformer and is used for judging the voltage locking of the first group of differential protection through the first control module; all the spaced second current transformers form a second group of current transformers, and the second group of current transformers is connected with the second control module and used for second group of differential protection; the bus voltage of the second group of differential protection is taken from the second voltage transformer, and is used for judging the voltage locking of the second group of differential protection through the second control module; and all spaces on the bus are jumped when any group of differential protection acts.