917results about How to "Achieve normal operation" patented technology

The present invention relates to a computer simulation system of public security emergency management and a simulation method. A public security emergency management cloud platform is upwards connected with an emergency command platform, is downwards connected with the town and street emergency command systems, is transversely connected with the municipal special emergency command platforms on the basis of integrating the data resources and the communication network resources of the conventional various systems, thereby realizing the monitoring, the prediction, the early warning, the auxiliary decision-making and the command and dispatch, and providing the comprehensive information services for the emergency rescue and command, the accident deduction, the emergency disposal training and the emergency hedge skill training. The public security emergency management cloud platform comprises an emergency command hall, a basic supporting system, a comprehensive information service system and a mobile emergency platform, enables the generation of the security incidents, the natural disasters and the man-made disasters and the loss brought by the security accidents to be reduced, protects the economy, and maintains the sustained steady and coordinated development of the society. By establishing the security risk evaluation and early warning, the simulation system and the simulation method have the very important significance for improving the social public security emergency rescue of our country, the risk evaluation and the comprehensive management.

The invention discloses a thermal repair method, device, server and system for an Android application. The method includes the steps that a patch pack of the designated Android application is acquired, wherein the patch pack includes a repaired designated class file in the designated Android application; when the designated Android application is started, the patch pack is loaded; when the designated Android application needs to call a designated class file, the repaired designated class file is called from the patch pack to perform corresponding functions. Thus, compared with the prior art, according to the scheme, a series of steps of repacking a designated Android application, conducting testing, exchanging packs to various application markets and channels, reminding a user to conduct upgrading, reminding the user to conduct downloading, conducting coverage installation of the Android application with a new installation pack and the like by a publisher are not needed in the repair process, thermal repair of the Android application can be achieved through one patch pack without changing the original Android application, and thus the repair cost of the Android application is greatly reduced.

A method that can make a client-end program automatically restore and automatically upgrade is provided: (1) an update program after encryption and an encrypted software version ID are stored in a hidden memory area of a client end, as a backup document of an update program for the client end; (2) the client-end program shall be stored in a free storage area at the client-end, the function of the client-end program is to log in a business server, the program also comprises an update program, which is matched with the client-end software version ID through the server software version ID, and then the functions of automatic restoration and automatic upgrade shall be conducted; (3) an update program without encryption and a client-end start-up program are stored in the client-end virtual storage area, so as to prevent that the subscribers manually copy the update program in the virtual storage area to the free storage area under the situation that the programs hidden in the storage area and free storage area are damaged, thereby realizing the functions on automatically restoring and automatically upgrading the client-end program.

A motor train unit traction system powered by power packs and energy storage devices in a mixed mode mainly comprises the power packs, the energy storage devices, traction converters and traction motors, wherein the traction converters are connected with the traction motors, a diesel engine and an electric generator form each internal combustion power pack, three-phase output of the electric generators are directly connected with the traction converters, and the energy storage devices are connected with middle direct-current buses of the traction converters. The motor train unit traction system can achieve cross-line running and meet different requirements for transportation in different environments. In a non-electrification road section, the power pack and energy storage device mixed power supply mode is adopted so that normal running under the working condition without a contact system can be achieved. Under the working condition that power is supplied by the power packs and no contact system exists, braking energy is absorbed through the energy storage devices, and therefore recycling of energy is achieved and the green energy saving concept is embodied. Power supplying can be achieved in the acceleration process of a train through the energy storage devices so that the optimum acceleration performance can be achieved. Due to the adoption of the energy storage devices, a power train unit can have the operating capacity in the non-electrification road section and have an emergency rescue function and a war preparedness function in special rainy and snowy days or under the condition that the contact system is damaged, and can also be used as a mobile power supply.

The invention discloses an alternating-current and gas engine parallel dual-drive heat pump device, which comprises a heat pump unit, an alternating-current motor, a gas engine and a transmission unit. An output end of the alternating-current motor is connected with an input end of the transmission unit by an alternating-current motor clutch, an output end of the gas engine is also connected with the input end of the transmission unit by a gas engine clutch, and an input end of the heat pump unit is connected with an output end of the transmission unit by a heat pump clutch. An urban alternating-current pipe network and the gas engine are technically combined, the urban alternating-current pipe network drives the motor, accordingly, load change can be balanced, simultaneously, a unit can be driven to run for a long time during gas shortage due to the fact that an electric driving portion is directly connected into an urban alternating-current grid, six different operating modes can be realized, utilization rate of primary energy can be improved, and carbon emission is reduced relatively.

The embodiment of the invention discloses a method and a device for transmitting a system message and relates to the field of communication. After a relay function is started, a relay can normally receive system configuration information of a relay link, and the normal transmission of the relay link is guaranteed so as to guarantee the normal operation of the system. The method comprises the following steps of: mapping the system message of the relay link to a relay link physical downlink shared channel; transmitting the relay link physical downlink shared channel to the relay; and transmitting a relay link physical downlink control channel to the relay, wherein the relay link physical downlink control channel carries indication information of a time-frequency resource position of the relay link physical downlink shared channel. The method is mainly used in the process of transmitting the system message after the relay is introduced into a network and the relay function is started.

The invention discloses a position-sensor-free control method suitable for four-quadrant operation of a switch reluctance motor, and belongs to a switch reluctance motor control method. The position-sensor-free control method comprises the following steps of constructing a simplified inductance model according to a fourier series expression of inductance of the switch reluctance motor; fitting a function relation in which an inductance model parameter is changed along with phase current by measuring inductances at three special positions of the switch reluctance motor at different phase currents on line, and constructing a non-linear inductance model of the switch reluctance motor; deriving an analysis formula for estimating a position of a rotor of the switch reluctance motor through phase inductance according to the non-linear inductance model; and when the motor runs, detecting the phase current and phase voltage in real time, estimating an excitation phase magnetic chain according to a voltage equation to obtain excitation phase inductance, calculating the current position of the rotor according to the estimation analysis formula by using the derived position of the rotor, and realizing sensor-free running control over the switch reluctance motor according to the estimated position of the rotor. The algorithm is simple, small in calculated amount, favorable for real-time implementation of a micro controller and higher in position estimation precision.

The present invention relates to a method for separating biological macromolecular component by using two-dimensional or multidimensional capillary electrophoresis and its interface. The biological macromolecular component undergone the process of one-dimensional capillary electrophoresis separation can be passed through the interface and fed into two-dimensional capillary electrophoretic separation operation to implement two-dimensional capillary electrophoresis, the small molecular substance can be diffused and freely permeated through the hollow fibre in the interface and can obtain balance in it, and when the described biological macromolecular component is flowed through the interface, the buffer solution containing low molecular substance can be on-line added/removed into the hollowfibre in the interface.

The invention discloses a method for running large-scale software being loaded. In the past, when large-scale software (such as game software) is allocated through internet, a user needs to spend a long time in downloading. The method realizes the running of the large-scale software being loaded, adopts two main components, namely a virtual file server and a file server and is characterized in that: a virtual file architecture is built for the software to be downloaded at a user terminal in advance, wherein the organization manner of files is the same as that after the software is installed except for the content is null, and management is performed by using pages of the same size as units; and when the software in the virtual file architecture is run, the virtual file server intercepts the file page reading request of the software, judges if the requested file page is already downloaded, and allows a file system to read local contents if the requested file page is already downloaded, or sends a corresponding reading content request is sent to the file server on internet if the requested file page is not downloaded and fills the virtual file architecture with received real contents. Thus, the software can be run while being downloaded.

The invention provides a casting production line. The casting production line comprises a modeling line, a casting line, a first engine driven conveying roller line, a second engine driven conveying roller line, a first reversing machine, a first box pushing machine, a second reversing machine, a second box pushing machine, a third reversing machine, a third box pushing machine, a fourth reversing machine and a fourth box pushing machine. The first engine driven conveying roller line is connected between the output end of the modeling line and the input end of the casting line, and accordingly a sand box can be conveyed to the casting line. The second engine driven conveying roller line is connected between the output end of the casting line and the input end of the modeling line, and accordingly the sand box can be conveyed to the modeling line. The casting line, the first engine driven conveying roller line, the casting line and the second engine driven conveying roller line which are sequentially connected end to end are combined to form the casting production line, under the action of the two engine driven conveying roller lines, the production line can still operate normally when the sand box lacks, the modeling line and the casting line can operate in a crossed mode, a complementary function is achieved, and therefore production efficiency is improved.

A motor train unit traction system powered up by a overhead contact system and a power pack in a combined mode is characterized by mainly comprising a traction transformer, the power pack, a traction converter, a traction motor and a braking resistor, wherein the overhead contact system is connected with a primary side of the traction transformer through a pantograph, two secondary side windings of the traction transformer are directly connected with the traction converter, the traction converter is connected with the traction motor, a diesel engine and a power generator form the power pack, and three-phase output of the power generator is directly connected with the traction converter. The motor train unit traction system powered up by the overhead contact system and the power pack in the combined mode can achieve overline operation and can meet different conveying requirements in different environments. At a non-electric railway section, a power pack power supplying mode is adopted, and normal operation under the condition without the overhead contact system is achieved. Due to the adoption of two sets of power systems, a motor train unit not only has the operating capacity at the non-electric railway section, but also has the functions of emergency rescue and war preparedness in special rainy or snowy weather or when the overhead contact system is damaged.

The invention discloses a load distribution method for multi-line power restoration after a power distribution network fault. The method is a calculating method used for how to divide load in a non-failure power-losing district after the power distribution network fault is removed and distribute the load to multiple power supply paths to restore power supply. The load distribution steps are as follows: calculating the extreme load distribution ratio and the critical load sharing ratio which correspond to each power supply path; and confirming the optimal load distribution ratio. According to the method, least power loss of a non-power-losing district is aimed at to obtain the extreme load distribution ratio, the critical load sharing ratio is obtained through voltage and current safety restriction, the extreme load distribution ratio and the critical load sharing ratio are considered in a combined mode to adjust load distribution so as to meet safe economy requirements and obtain the optimal load distribution ratio, and therefore a reasonable and effective load distribution scheme is confirmed, and a power-losing district is divided, and network failure reconstruction is completed. The load distribution method for the multi-line power restoration after the power distribution network fault is simple, convenient and effective, is favorable to realizing quick fault restoration, and optimizes distribution network operation.

The invention discloses an electronic control P step mechanism for an electric vehicle, and relates to an electronic control locking mechanism for parking of the electric vehicle. A locking claw is provided with teeth which are corresponding with the tooth shape of a locking wheel, and the locking wheel is fixed on a gear shaft of a speed reducer; a waist-shaped through hole on the locking claw is provided with a supporting pin shaft; the locking claw and a pulling rod are fixed together to form an assembly member; the pulling rod is the support of a shaft sleeve in a box body hole, and the pulling rod and the shaft sleeve form clearance fit; the screw part on the pulling rod and a nut form a spiral motion pair, and the rotation motion of the nut is converted into the axial motion of the pulling rod; a dynamic motor is fixed on a box body, and an output shaft of the dynamic motor and the nut are fixedly connected; a loosen signal switch and a locking signal switch form a signal feedback system of the moving position of the locking claw; and a P step signal switch is installed at a gear engaging position of the vehicle. By the electronic control P step mechanism provided by the invention, the problem that the exiting electric vehicle only depends on hands to brake, and the reliability performance is poor is solved.

The present invention provides a thermal management system and a thermal management method for a high-altitude unmanned aerial vehicle fuel cell module, and belongs to the field of aviation spacecraftenergy source systems. According to the present invention, the high-altitude unmanned aerial vehicle fuel cell module comprises a fuel cell reactor, an oxygen supply system and a hydrogen supply system, the thermal management system comprises a heat exchanger and a heat dissipation system, one part of the waste heat generated by the fuel cell reactor heats hydrogen and oxygen through the heat exchanger, the other part of the waste heat generated by the fuel cell reactor heats the environmental space at which the fuel cell reactor is positioned, the fuel cell reactor is an air-cooled fuel cellreactor or a liquid-cooled fuel cell reactor, and the air-cooled fuel cell reactor comprises a closed air-cooled fuel cell reactor and an open air-cooled fuel cell reactor.

The invention provides a home and school intercommunication mobile phone client system. Teachers and parents can perform instant communication after installing the system in mobile phones. The invention further provides a home and school intercommunication system and a home and school intercommunication method. Through the home and school intercommunication system, smooth communication between teachers and parents through the home and school intercommunication mobile phone client system can be achieved. The home and school intercommunication method is used for achieving normal operation of the home and school intercommunication system.

The invention relates to the technical field of an industrial control system and particularly relates to a control program organization structure of the control system and a download method. The control system comprises a controller and configuration software, wherein the controller is internally provided with an operation management core in a solidification mode, a background system of the configuration software is stored with a program module database, the program module database is stored in the configuration software in an encrypted linkable file mode, the foreground of the configuration software realizes programming and download of user configuration programs carried out by users, the operation management core, the program module database, the user configuration programs and data sets form a control program, and communication and interaction of the control program between the controller and the configuration software is carried out through a download interface. The control system is advantaged in that the control program module database is stored in the background of the configuration software, control program modules actually utilized by the configuration program are downloaded to store in the controller only after download, not only can the program structure of the controller is simplified, program scheduling and management are made to realize more rapid and reliable, but also storage resource pressure of the controller is further reduced.

The invention provides an outside cycle continuous biological aerated filter for composite fillers. The outside cycle continuous biological aerated filter is characterized by comprising a filler washing part, wherein the filler washing part comprises a compressed air lift pipe, a compressed air supply unit, a filler washing unit, a washing wastewater discharge unit, a filler backflow unit and a material guide pipe, the inlet of the compressed air lift pipe is arranged at the bottom of a filler layer in the biological aerated filter, the outlet of the compressed air lift pipe is arranged outside the biological aerated filter, the outlet of the compressed air supply unit is opposite to the inlet of the compressed air lift pipe and is used for blowing the filler particles into the compressed air lift pipe for air-water washing, the filler washing unit is used for receiving filler particles conveyed by the compressed air lift pipe, the inner wall of the filler washing unit has a convex structure used for washing the filler through friction when the fillers fall, and the filler backflow unit is connected with the material guide pipe at the bottom of the washing part. The biological aerated filter can be used for washing the filler particles while working continuously, thus being capable of running constantly.

The invention discloses a method for computing a signaler trans-voltage command. The method specifically comprises the following steps of: enabling a zone control system to acquire the position of the signaler and the external section of the signaler; judging whether the external section of the signaler is in an occupied state or not, if so, determining the position of a train which is closest to the signaler; and judging whether the head and the tail of the train cross the signaler or not according to a position relation between the train and the signaler, computing to generate a corresponding signaler trans-voltage command, sending the signaler trans-voltage command to an interlock which corresponds to the zone control system, and controlling a moment when the signaler is switched from an enabling signal to an inhibiting signal by using the interlock. Due to the adoption of the method, undesired emergency brake of the train is avoided, the running efficiency of the train in a CBTC (Communication Based Train Control) mode is increased, and running of multiple rows of CBTC trains in the same route or the same zone is realized.

The invention provides an air conditioner system, a control method thereof and an air conditioner. The air conditioner system comprises a compressor, a four-way valve, an outdoor heat exchanger, an indoor heat exchanger, a flash evaporator, a first electronic expansion valve, a second electronic expansion valve and connecting pipes which are connected in sequence. The first electronic expansion valve is arranged between the outdoor heat exchanger and the flash evaporator. The second electronic expansion valve is arranged between the indoor heat exchanger and the flash evaporator. An exhaust temperature sensor is arranged between the compressor and the four-way valve. A flash evaporation temperature sensor is arranged on the flash evaporator or the pipe connected with the flash evaporator.The controller is connected with the exhaust temperature sensor, the flash evaporation temperature sensor, the first electronic expansion valve and the second electronic expansion valve. Through the air conditioner system provided by the invention, under different working conditions, by controlling the opening degrees of the two electronic expansion valves, the throttling conditions of coolants inpipes on the condensation side and the evaporation side of the air conditioner are adjusted, and then the air conditioner system can operate under the optimal conditions.