115results about How to "Guaranteed normal switching" patented technology

The invention discloses an ACC (adaptive cruise control) system for a four-wheel hub motor electric vehicle, which comprises: taking the four-wheel hub motor electric vehicle as an object of study on ACC (adaptive cruise control), the invention provides a mode switching control method considering the difference between theoretic safe distance and actual distance and relative velocity of two vehicles. According to the method, ACC into a preceding vehicle following mode, a constant velocity cruise mode and a uniform velocity travelling mode; an ACC controller comprising a theoretic safe distance algorithm, a driving torque control algorithm and a braking torque control algorithm, is designed; braking energy is recycled through regenerative braking; a control strategy is verified experimentally based on typical working conditions designed by a driving simulator experiment table. The invention discloses an ACC method for a four-wheel hub motor electric vehicle. The system and the method have the characteristics of being high in operational security and stability, accurate in control, reasonable in torque distribution, and effective in energy-saving control.

The invention discloses a device and a communication method thereof for achieving a distributed type radio cell. The method comprises the following steps: after being received by a radio frequency remote unit, an uplink signal sent by a mobile terminal is forwarded to a base band unit; after being received by the base band unit, the uplink signal is resolved and synthesized, and sent to a base station controller; the base station controller sends a downlink signal to the base band unit; after being received by the base band unit, the downlink signal is resolved, and then distributed to a plurality of radio frequency remote units; and the radio frequency remote units forward the downlink signal to the mobile terminal through an aerial interface. The invention expands the effective coverage scope of the cell through the distributed type collaboration of the radio frequency unit at the remote end, thereby prolonging the sojourn time of a high speed mobile terminal passing through the cell, improving the measuring and switching effects of the mobile terminal passing through an adjacent cell, improving the communication quality of a mobile user, and satisfying the mobile communication demands on the occasions like express railway lines in a pertinence manner and the like.

The invention discloses a dynamic maintenance method for related link circuits. The method comprises the following steps: establishing a mapping relation of a determining link circuit and a determined link circuit, and generating a determining link circuit alarm when the detection configuration of the determining link circuit detects the fault of the determining link circuit; switching service flow to a backup protection link circuit; informing the detection configuration of the determined link circuit to update forwarded parameters according to the mapping relationship; and updating the own forwarded parameters through the detection configuration of the determined link circuit. The invention also discloses a dynamic maintenance device for the related link circuits. When the service flow is switched to the backup protection link circuit of the determining link circuit, the detection configuration of the determined link circuit do not give alarms, and the determined link circuit is notswitched, thereby being capable of ensuring the normal forwarded service flow on the backup protection link circuit.

The present invention discloses a method for implementing synchronous switching of cross connections of a CLOS cross connection matrix, comprising: the configuration controller calculating a new CLOS cross connection matrix according to the cross request, sending this new CLOS cross connection matrix to the cross nodes requiring synchronous switching, and sending synchronous switching signal to all the cross nodes requiring synchronous switching after receiving the ready signals returned by all the cross nodes requiring synchronous switching, and the cross nodes performing the synchronous switching immediately after receiving the synchronous switching signal. The present invention also discloses a digital cross connection equipment containing a configuration controller for implementing synchronous switching of a CLOS cross connection matrix. With the present invention, synchronous switching of the input stage, the central stage and the output stage can be guaranteed without instantaneous disconnections.

A loop protective switching-over method of Ethernet loop network with multiring in tangency includes selecting a perfect ring as back-up public link of public link, upgrading back-up public link to be temporary public link of the other rings when public link is fault and then selecting one perfect ring from the other rings as back-up public link of current temporary public link, restoring network to be on default-setting after public link with multi-ring in tangency is restored to be normal.

The invention provides a switching method and device. The method includes the following steps: when a serving base station of user equipment (UE) switches from a source base station to a target base station, the source base station sends a switching request message to the target base station, wherein the switching request message carries data radio bearer (DRB) information of one or more UE at thesource base station and flow-level quality of service (Flow QoS) information of one or more UE at the core network side; the source base station receives a switching request confirmation message sentby the target base station, wherein the switching request confirmation message carries DRB configuration information of the UE at the target base station; and the source base station sends an RRC connection reconfiguration message carrying the DRB configuration information of the UE at the target base station to the UE. According to the scheme of the invention, the problem that QoS mechanisms adopted by a core network and an access network cannot be unified during base station switching in related technologies can be solved.

The invention discloses a cell switching control method, network equipment and a system, which relate to the technical field of communication, can ensure that a terminal is switched to a proper cell and avoid dropped call of the terminal, do not affect normal test of the cell and ensure the normal work of a cell retention mechanism. The cell switching control method provided by the embodiment of the invention comprises the following steps of: acquiring switching judgment information required when the terminal is switched to a target cell, wherein the switching judgment information comprises public local mobile network (PLMN) information of the terminal; and controlling the switching from the terminal to the target cell according to the switching judgment information. The method is suitable for the scenes which need to control cell switching.

The invention discloses a microwave integrated module of a PIN transmit-receive switch and a limiter. The microwave integrated module comprises a transmitting branch, an antenna branch, a receiving circuit and a detection circuit. The transmitting branch is composed of a blocking condenser, a tandem switch PIN tube and a choke inductor; the receiving circuit is composed of a 1 / 4 wavelength transmission line, an earth parallel switch PIN tube, a small power amplitude limiting PIN tube, an earth parallel choke inductor and an amplitude limiting control choke inductor; the transmitting branch is composed of a blocking condenser and a coupler; and the detection circuit is composed of a detector diode, a capacitor and a resistor. The earth parallel switch PIN tube on the receiving branch is shared by a transmit-receive switch function and an amplitude limiting function, thereby reducing the number of cascaded PIN tubes of the receiving branch and reducing the insertion loss of the reducing branch on the premise of guaranteeing the power capacity of the switch and the limiter.

The invention relates to an automatic control system alternatively filled with simulated polymer solution. The automatic control system is characterized by comprising a polymer alternative filling experimental device and an automatic switching control device; a constant-flux pump output end in the polymer alternative filling experimental device is linked with input ends of three middle containers in parallel, and output ends of the three middle containers are connected with an input end of a rock core holding unit; the bottom part of the output end of the core holding unit is provided with a fluid collecting container, and the core holding unit is further connected with a pressure confining pump. High-pressure pneumatic valves in the automatic switching control device are respectively arranged at the input end and the output end of every middle container, and every high-pressure pneumatic valve is connected with an electromagnetic valve group; the working air source of the electromagnetic valve group is provided by the air compressor. A pressure sensor is respectively arranged between every high-pressure pneumatic valve and the output end of the middle container, and the input end of the core holding unit is also provided with a pressure sensor. The signal detected by every pressure sensor is transmitted to a computer through a control box to control. The automatic control system alternatively filled with simulated polymer solution can be widely applied to related experiments for improving oil recovery of chemical flooding in an oilfield.

The invention relates to a method for processing the abnormality between a main processor and a coprocessor interface. The method comprises the following steps: A, when the coprocessor generates an abnormal signal, notifying the main processor; B, automatically switching the main processor into the coprocessor generating the abnormality according to a generated abnormal signal; and automatically modifying a current main processor state register and selecting the coprocessor generating the abnormality by backing up an original main processor state register into a main processor state shadow register; and C, when the main processor finishes an abnormal service program and returns by one main processor abnormality returning instruction, automatically recovering the coprocessor before generating the abnormality by the main processor state shadow register. The invention also provides a device for realizing the abnormality processing method. The method and the device can increase the abnormality process speed, has better real-time performance and improves the switching efficiency.

The invention discloses a method and device for deactivating a cell, which are used to avoid user call drop caused by the deactivating cell. A method for deactivating a cell provided by the present invention includes: receiving a cell delay deactivation shutting down request, determining that the cell needs to be deactivated according to the shutting down request; before deactivating the cell, sending a message to a user equipment UE in the cell Measurement configuration information that instructs the UE to perform cell measurement. When the measurement result reported by the UE is received, the UE is handed over to a neighboring cell according to the measurement result reported by the UE.

The invention discloses a sportsman leg physical therapy device. A bed board is arranged at the upper portion of a bedstead. The bed board is formed by sequentially connecting a shank supporting plate, a thigh supporting plate, a hip supporting plate and a back supporting plate; a chest protecting mechanism is arranged on the back supporting plate, a hip rotating mechanism is arranged on the hip supporting plate, and the chest protecting mechanism and the hip rotating mechanism are movably connected in a matched mode through a linkage mechanism, a shank massaging mechanism for massaging shanks is arranged on the shank supporting plate, and a thigh massaging mechanism for massaging the thighs is arranged on the thigh supporting plate; a controller which is in signal connection with the chest protecting mechanism, a linkage mechanism, the shank massaging mechanism and the thigh massaging mechanism is arranged at the lower portion of the bedstead; a sportsman can have a rest on the device and does not need to cooperate actively, automatic position adjustment can be achieved when the sportsman just lies flatly, and the phenomenon that other portions are aching and tired due to the fact that the sportsman is kept in one gesture can be avoided.

The invention discloses a refrigerator turning beam which is used for being rotationally installed on a door body of a refrigerator. The refrigerator turning beam comprises a beam body, a cavity is formed in the beam body, a locking assembly capable of moving along with the rotation of a door body is arranged in the cavity, the locking assembly is used for matching with a lock catch on the door body, so that when the door body is opened, the locking assembly and the lock catch are buckled, and when the door body is closed, the locking assembly is separated from the lock catch. The invention further discloses the refrigerator with the refrigerator turning beam. The refrigerator beam has the advantages of being not prone to damage and maintaining the refrigerating effect of the refrigerator.

The invention provides a power supply switching circuit of a clock chip. The power supply switching circuit comprises a first sampling terminal, a second sampling terminal, an output terminal and a switching control component, wherein the first sampling terminal is used for sampling a first direct current voltage; the second sampling terminal is used for sampling a second direct current voltage; the output terminal is connected to a power input terminal of the clock chip; the switching control component is used for comparing the first direct current voltage with the second direct current voltage and stopping or recovering connection between a second power supply terminal and the power input terminal of the clock chip. The invention further provides a corresponding power supply circuit of the clock chip, a microwave oven and a power supply switching method of the clock chip. By means of the technical scheme, different power sources can be used on different conditions, and the situation that the clock chip cannot be driven due to voltage drops can be avoided at the same time of ensuring that voltages of two power sources cannot flow backward mutually.

The invention discloses a terminal and a wireless access method and device thereof. The wireless access method comprises that when a first wireless network signal from a first wireless access point AP is obtained by scanning, first identification information is extracted from the first wireless network signal; whether the first identification information exists in a pre-stored AP information list is determined; when it is determined that the first identification information exists in the AP information list, the first AP is associated. According to embodiments of the invention, when the identification information of the scanned wireless network signal exists in the AP information list of the interested AP, the terminal is associated with the corresponding AP, so that it can be ensured that the terminal is associated with or switched to the AP that a user is interested in automatically, manual intervention of the user is not needed, customized requirements of the user can be met, and the user experience is improved.

The invention discloses a code division multiple access (CDMA) system and an A17 interface compatibility realization method, belonging to the mobile communication technology field. The method comprises the following steps: in the CDMA system, a corresponding relation between a version number and an interface structure in an access network is configured; when A17 interface switching happens, a source access network and an object access network acquire version information of an opposite side respectively through message interaction; according to the corresponding relation between the version number and the interface structure, the source access network and / or an object access network compare / compares a self version with a version of the opposite side, if versions are inconsistent, one side of a higher version converts a sent A17 message into a format of a lower version to carry out sending, and converts an A17 message received by an access network of the lower version into the self version to carry out processing. According to the system and the method in the invention, an incompatible problem between different A17 interfaces in A17 switching between different access networks in the CDMA system is solved, and switching failure caused by incompatibility is avoided.

The invention refers to a wireless communication system (1) comprising a plurality of base-stations (2, 2', 2'') covering different communication areas (3, 3', 3'') and a coordinator unit (4). The coordinator unit (4) compiles an expectation list with at least one base-station (2, 2', 2'') serving as a coordinated base-station (2, 2', 2'') for a possible handover concerning a user equipment (10) based on information about the user equipment (10). The coordinator unite (4) provides the at least one base-station (2, 2', 2'') of the expectation list with handover information concerning the possible handover. The at least one base-station (2, 2', 2'') of the expectation list goes into an attention mode after receiving the handover information from the coordinator unit (4). The invention also refers to a corresponding method.

The invention discloses a base station, a terminal, a measurement control method and a measurement method. In the invention, the base station can configure measurement configuration information for the terminal when the terminal is located at an edge position of a current cell, wherein the measurement configuration information is used for measuring each neighboring cell of the current cell and comprises measurement priority of a frequency point where each neighboring cell is; the measurement priority is used for measuring the neighboring cells according to a descending order of the measurementpriorities; after the base station sends the configured configuration information to the terminal, the terminal can measure the neighboring cells according to the descending order of the measurementpriorities configured by the base station and can preferentially send a measurement report of the cell with high measurement priority to the base station, thus, the base station can realize switchingthe terminal to the cell with high measurement priority. Relative to the existing technology, by application of the scheme provided by the invention, the base station can effectively control a measurement order of the terminal, and an effect of controlling the terminal to be switched to an ideal cell is realized.

The invention provides a method for managing fixed time difference information of a micro cell and a macro cell, a collection node, a micro cell base station and a system. The method, the collection node, the micro cell base station and the system enable the fixed time difference information of the micro cell which is adjacent to the macro cell and is provided with the same primary scrambling code (PSC) and the macro cell to be unique, and user equipment (UE) is guaranteed to be converted to a target micro cell successfully. The method for managing the fixed time difference information of the micro cell and the macro cell comprises the following steps: the collection node receives the fixed time difference information of the micro cell and the macro cell adjacent to the micro cell from the micro cell base station, the fixed time difference information comprises time difference of the micro cell and the macro cell adjacent to the micro cell, or the fixed time difference information comprises a frame timing of the micro cell and a frame timing of the macro cell adjacent to the micro cell, and if the fixed time difference is larger than a preset first fixed time difference threshold value, the collection node sends instruction information for adjusting a frame clock value to the micro cell base station or sends reconfiguration information for reconfiguring at least part of fixed time difference parameters of the micro cell to the micro cell base station. The method for managing the fixed time difference information of the micro cell and the macro cell is applicable to the technical field of communication.

The invention discloses a water cold storage system which comprises a controller and a refrigerating unit. The refrigerating unit comprises a primary cold water main machine. The inlet end and the outlet end of the primary cold water main machine are connected with a bypass loop in parallel. A first adjusting valve is arranged on the bypass loop. A first temperature sensor is arranged at the outlet end of the primary cold water main machine. The primary cold water main machine, the first adjusting valve and the first temperature sensor are all electrically connected with the controller. According to the technical scheme, the inlet end and the outlet end of the primary cold water main machine are connected with the bypass loop in parallel, and therefore water can circulate back to the primary cold water main machine through the bypass loop to be cyclically cooled till the set cold storage temperature is achieved, and large-temperature-difference cold storage can be achieved; and the first adjusting valve is arranged on the bypass loop, and the recirculation bypass water quantity of the primary cold water main machine is controlled by the controller by adjusting the opening degree of the first adjusting valve according to the water temperature detected by the first temperature sensor so that it is guaranteed that the primary cold water main machine can fully achieve the refrigerating capacity.

The invention advances a method for overcoming call disconnection in soft swithicng in third-generation mobile communication system, in macro diversity state, when one or plural ones of the user equipment received downlinks are outside the transmitting window, network controller removes these links; if these links qualities are certainly good, the user equipement will report their qualities by in-frequency measurement, and the network controller adds them to an activation set again, and after this, the user equipment received downlink links are bound to be inside the transmitting time window. And the method assures user equipment able to normally switch, and remarkably raises user equipment soft-switching success rate and the whole operating performance of WCDMA system.

The embodiment of the invention provides a backup method and system for stack equipment. The method comprises the following steps: after all equipment in the stack equipment negotiate master equipmentand salve equipment, the master equipment sets the master equipment as PSE power supply equipment, and sets other slave equipment as PD power receiving equipment; the master equipment turns on a corresponding power supply switch, and supplies power for other slave equipment through a POE link between the master equipment and other slave equipment; when acquiring that the master equipment is abnormal from other slave equipment, other equipment elects one set of slave equipment as the new PSE power supply equipment; the new PSE power supply equipment sets other equipment except the PSE power supply equipment as the PD power receiving equipment; the new PSE power supply equipment turns the corresponding power supply switch, and supplies power for other equipment through the POE link betweenthe new PSE power supply equipment and other equipment. The redundant backup of the power supply is guaranteed when the data stack is realized through the backup method provided by the embodiment of the invention, the handover packet loss caused by equipment power failure can be avoided, and the stack equipment performance is improved.

The invention discloses a single-clutch integrated structure. The single-clutch structure integrates an input shaft, a clutch support, a piston, a friction piece set, a dual piece set, a gear toothedwheel and other parts. When power is transmitted to the clutch support from the input shaft, a work oil path is full of high-pressure oil, the high-pressure oil arrives at a piston cavity, the pistonis pushed to compress a clutch, therefore, the power is transmitted to the gear toothed wheel, power transmission is carried out, the structure can ensure normal switching between different gears, andthe structure is compact. When the high-pressure oil pushes the piston to move, meanwhile, a lubricating oil path of the clutch is opened, the lubricating oil arrives at the clutch, the friction piece set is lubricated, the lubricating oil path is controlled by the work oil path, control is ensured through design of a mechanical structure, and a hydraulic system is simple in structure. Similarly,when the friction piece set does not need to transmit torque, the piston returns, meanwhile, the lubricating oil path is closed, dragging losses of the clutch are reduced, and efficiency is improved.

The invention discloses an optical transmitter and an optical module. The optical transmitter comprises a laser driver and a DBR laser, wherein the input end of the laser driver is used for receivinga burst control signal; the first output end of the laser driver is grounded, and the second output end is electrically connected with the anode of the DBR laser; the first differential switching endof the laser driver is electrically connected with a first working power supply and the anode of the laser. The first output end is grounded and the second output end is electrically connected with the anode of the laser, so that the laser driver can suck the bias current of the anode of the laser only through the second output end, is connected to the anode of the DBR laser through the first differential switching end to realize rapid turn-on and turn-off of the laser, satisfies the emission of laser with a specific wavelength through the control on the second output end, and effectively improves the wavelength stability of an ONU.

The invention discloses a double-track car turnout assembly. The double-track car turnout assembly comprises a main beam, a first fixed frame, a second fixed frame, a first movable frame, and a secondmovable frame, wherein the first fixed frame and the second fixed frame are fixedly connected to the main beam; the first movable frame is connected to the first fixed frame in a sliding manner; thesecond movable frame is articulated with the second fixed frame; multiple segment-type conveying tracks are arranged on the first movable frame and the second movable frame; a first electric push rodfor driving the first movable frame to slide is arranged at one end of the first fixed frame; and a second electric push rod for driving the second movable frame to rotate is arranged on the second fixed frame. Through the sliding of the first movable frame and the rotation of the second movable frame, the butt joint and track transfer of tracks are realized, and the switching of a double-track car conveying line is ensured. The double-track car turnout assembly has an ingenious structure, is precise in positioning, simple in process flow, and low in manufacturing cost, is convenient and reliable to use, and ensures the accurate, safe and stable arrival of a double-track car at the destination.

The invention relates to an eight-station jack assembling machine, which comprises a jack assembling machine. The jack assembling machine is slidably arranged on a track, and a motor arranged at one end of the track drives the jack assembling machine to slide on the track through a chain belt; and the eight-station jack assembling machine further comprises a cylinder body positioning mechanism arranged at the lower part of a head of the jack assembling machine and comprising a first positioning mechanism and a second positioning mechanism, the first positioning mechanism and the second positioning mechanism have the same structure except for different frame heights, and frames with different heights are used for positioning jacks with different specifications. According to the eight-station jack assembling machine, when a vertical assembly jack is adopted, the working resistance is small, the disassembly efficiency is high, and the disassembly reliability is high; the cylinder body positioning mechanism adopts an eight-station structure, and has functions of cylinder bottom positioning and cylinder top centralization; and cylinder bottom fixation ensures that a cylinder body does not rotate in the process of guide sleeve assembly, and cylinder top centralization ensures that the cylinder body is in a vertical state in the process of movable column and guide sleeve assembly.

The invention relates to the communication field, specifically disclosing an automatic frequency control method of a double-mode terminal and the double-mode terminal. The method utilizes a set of AFC regulating system to decide which network system to control the regulation of the AFC according to working states of two network systems supported by the double-mode terminal when the double-mode terminal is in a double-standby state. If the first network system (such as a GSM system) controls the regulation of the AFC, the double-mode terminal performs frequency deviation correction to receiveddata signals before demodulating the received data signal when the double-mode terminal transceives the data signal from the second network system (such as a TD-SCDMA system); and the double-mode terminal performs frequency deviation correction to data signals to be transmitted before transmitting the data signals to be transmitted. Because one AFC system finishes the frequency synchronization and compensation of the whole system, the cost is reduced and the working ability of a double-mode double-standby system is improved.

The invention relates to a backup method and a backup system of a diagnostic server. The method comprises the following steps: establishing diagnostic server, wherein the diagnostic server comprises amain server and a standby server; performing function setting on the main server and the standby server; and performing real-time file backup and database backup between the main server and the standby server. The system comprises a diagnostic server establishment module, a function setting module and a backup module. By adoption of the method and the system in the embodiment of the invention, seamless switching between the main server and the standby server can be achieved, which is conducive to improving the efficiency of the diagnostic test and ensuring the normal operation of the diagnostic test.