119results about How to "Strong synchronization" patented technology

The invention relates to a geologic field information collection system. The collection system is designed by adopting a platform-based concept and integrates a project management module, a GPS (global positioning system) module, a geologic compass module, an image system module and a character system module, collection is performed by dividing geologic field sources into points, lines and planes, and information of geologic medium sources like geologic points, fault points, hydrologic points, drill holes, fractures, measured formation sections and pits is output in the form of geologic field information collection card module pieces and Excel data files respectively, so that requirements on filing of original data are met, direct utilization of geologic field information is realized, and integration of outdoor work and indoor work is realized. The collection system comprises a system function module, a geologic field information collection card module and a data output module. By the system, the geologic field information can be collected quickly and accurately; efficiency of field work and data accuracy are improved by providing functions of quick GPS positioning, a measuring ruler, an angulometer, a geologic compass and the like.

The invention discloses a full-automatic flange plate circumferential drilling device, and particularly relates to equipment for automatically machining circumferential flanges holes of a flange. An output shaft drives a driven shaft and a screw tap to rotate, the rotating output shaft drives a rotating wheel to rotate through a bevel gear group, the rotating wheel drives a telescopic plate to vertically move in a reciprocating mode through a connecting rod to drive the screw tap to rotate at high speed and vertically move simultaneously, the output shaft drives an incomplete gear to rotate through a synchronous belt and a rotation shaft, the incomplete gear drives a large gear and a platform supporting shaft to intermittently rotate to drive a platform and a flange plate to intermittentlyrotate, and then circumferential equal-distance drilling integrated work is achieved. According to the full-automatic flange plate circumferential drilling device, the automation degree is high, andthe synchronism is high; and through mechanical transmission, the connection reliability is good, the manufacture, use and maintenance cost is low, and the problems that when an existing flange plateis drilled, rotation of the flange plate needs to be manually controlled, parts of equipment with an automatic control function uses a large quantity of electronic components, and the manufacture anduse cost is high are effectively solved.

This invention relates to one multi-screen play simultaneous control method for irregular screen, which comprises the following steps: adopting Bezier net grid to process deformation on the picture to fit the projection to irregular screen; then through control end for collection and process on multi-screen picture to fulfill deformation correction; finally processing edge melting; in playing process, through control end processing multi-screen simultaneous control.

The invention discloses a radially telescopic type cutterhead and a rectangular shield machine using the cutterhead. The radially telescopic type cutterhead comprises a cutterhead seat, a fixed spoke arm is arranged on the cutterhead seat and is of a hollow cylindrical structure, one end of the fixed spoke arm is open, and the other end of the fixed spoke arm is mounted on the cutterhead seat; a telescopic spoke arm and a telescopic driving mechanism are arranged in the cylinder body of the fixed spoke arm, one end of the telescopic driving mechanism is mounted at the bottom of the cylinder body of the fixed spoke arm, and the other end of the telescopic driving mechanism and the telescopic spoke arm are mounted together to drive the telescopic spoke arm to extend and retract from the opening end of the fixed spoke arm; the fixed spoke arm and the cutterhead seat are arranged on the same plane, and a fixed cutting head is arranged on the outer surface of the fixed spoke arm; and a telescopic cutting head is arranged at the end, facing the outside, on the telescopic spoke arm. According to the radially telescopic type cutterhead, the blind area is excavated by radial extending and retracting of the telescopic spoke arm, the telescopic spoke arm stretches out and accurately excavates the blind area according to the range of the blind area, and non-blind area and full-face excavation of the rectangular section are achieved.

The disclosure discloses a vehicle whistling snapshot device and method based on a regular tetrahedron microphone array. The device comprises a regular tetrahedron microphone array and an industrial control computer. The regular tetrahedron microphone array is installed on a road monitoring rod; four microphones are arranged in the regular tetrahedron microphone array and are used for collecting road surface sound signals on road and transmitting the collected road surface sound signals to the industrial control computer. The industrial control computer is used for processing the road surfacesound signals to obtain a sound source position of a whistling signal, triggering the snapshot function of a monitoring camera after obtaining of the sound source position of the whistling signal, carrying out snapshot processing on a license plate at the sound source position, carrying out license plate number identification on the snapshot license plate image, shooting an image of the whistlingvehicle at the whistling moment, recording sounds of sounds signals within a time range before and after the whistling moment, and uploading the identified license plate number, the shot image of thewhistling vehicle at the whistling moment, and recorded sounds to a traffic police law enforcement server. And the e traffic police law enforcement server sends monitoring information to a traffic police terminal.

A submerged net cage structurally comprises an outer frame system, an inner frame, net and counterweight system, a lifting system and a mooring system. The outer frame system comprises an outer frame (1), and the inner frame, net and counterweight system comprises an inner frame (2), netting (4) and a counterweight. The lifting system comprises a transmission device, a sliding wheel system and a control device. The outer frame system can serve as the foundation of the inner frame, net and counterweight system due to weight of the netting and the counterweight, and the inner frame, net and counterweight system is controlled by the lifting system to float in water. The mooring system comprises anchor ropes (10) and anchors (11), and the mooring system is connected with the outer frame (1) through the anchor ropes (10). The submerged net cage can easily ascend and descend, synchronization of floating and submergence is good through a mechanical device, and cost is low.

The invention relates to a visual telephone navigation method based on a mobile internet. The method adopts an IVR (interactive voice response) voice speech channel and a visual multimedia information synchronous switch-in technology, so the voice speech channel is a synchronous with menu play. The method comprises concrete steps as follows: 1) a mobile phone client transmits a request to a mobile phone service end after monitoring IVR specific service number dialed by a user; 2) the mobile phone service end responds and builds a TCP / IP (transmission control protocol / internet protocol) connection with the mobile phone service end; 3) the IVR server receives key information of the mobile phone client and informs the mobile phone service end; 4) the mobile phone service end analyzes the key information and processes the request of the user; 5) the mobile phone service end transfers a multimedia message server and generates a multimedia message according to the requirement of the user; 6), the generated multimedia message is transmitted to the mobile phone service end, and (7) the mobile phone service end searches a corresponding TCP / IP connection channel and transmits the multimedia message to the mobile phone client. Compared with the prior art, the visual telephone navigation method is low in cost, simple in framework, strong in synchronous capacity and good in expandability.

Provided are a method for a multi-machine frequency converter generating a synchronization signal, and a multi-machine frequency converter. Provided is a method for a multi-machine frequency converter generating a synchronization signal; said multi-machine frequency converter comprises a master control unit and M1 controllable execution units requiring synchronization; the M1 execution units share a common DC bus, and M1 is an integer greater than 1; the master control unit initializes the relevant parameters of the M1 execution units, and said parameter initialization comprises initializing each system clock and the distributed clocks synchronized by a selected reference clock; after the parameters are initialized, the master control unit sends the initialization data to the M1 execution units, configures an associated register used for synchronized data transmission, and activates the synchronized clock unit of the execution unit, causing the execution unit to generate a synchronization signal. The solution provided by the embodiments of the present invention is conducive to improving the synchronized operation of multi-machine frequency converters.

The invention provides a satellite simulation system and method, relating to the field of satellite simulation. The system is flexible in operation, convenient to improve and easy to optimize, and comprises a simulation control subsystem, an environment simulating subsystem, a visual track simulating subsystem and a satellite simulating subsystem, wherein the simulation control subsystem is connected with the environment simulating subsystem, the visual track simulating subsystem and the satellite simulating subsystem, and the environment simulating subsystem is connected with the visual track simulating subsystem. The system and method are used for satellite simulation.

The invention discloses a real-time synchronous transmission system for audios and videos aerially photographed by an unmanned aerial vehicle. The system comprises the components of an unmanned aerial vehicle terminal which comprises a video acquisition unit, a video transmission unit, an audio acquisition unit and an audio transmission unit; and a video control terminal which comprises a video storage unit, a video display unit, an audio storage unit, an audio playing unit and an audio / video synchronization unit. The video / audio storage unit is provided with a plurality of video / audio storage modules for successively storing videos / audios. When the used space of the current video / audio storage module is larger than a preset spatial value, the video / audio is stored into a next video / audio storage module. Furthermore when the next video / audio storage module is the first video / audio storage module, the preset spatial value is doubled automatically. The real-time synchronous transmission system is advantageous in that small number of transmission faults is realized; a user can master the audios and videos photographed by the unmanned aerial vehicle in time; and furthermore high synchronism of the audios and videos is realized.

The invention discloses a structural of a universalized carrier rocket test system. The system structure is suitable for design of an automatic testing system of a multi-type carrier rocket in China.The designed universalized carrier rocket test system structure comprises a hybrid test framework constructed based on C / S (Client / Sever) and B / S (Browser / Sever), A networked distributed test system constructed based on LXI, PXI and other bus instruments is a new generation of spaceflight automatic test system software architecture constructed based on international advanced ABBET standards. The carrier rocket automatic test system is small in size, high in test efficiency, good in interactivity, high in safety and reliability, good in adaptability, high in timing and synchronizing capacity, high in transmission speed and high in compatibility, and a design method high in universality and low in cost is provided for a new generation of carrier rocket automatic test system.

The invention relates to a horizontal rotation and flexible movement contact network control system and a method thereof. At a terminal, a mobile flexible contact network adopts an unilateral constant-tension compensation balance weight for carrying out tension compensation; at an initial end, a motor serves as a power mechanism to drive a power rotating cantilever to horizontally rotate so as to drive the mobile flexible contact network to be opened or closed; and at a middle end and a transition end, the horizontally rotated cantilever serves as a rotating assist so as to realize horizontal lateral displacement of the mobile flexible contact network. Automatic safety interlocking control of the whole processes is completed by virtue of a PLC (Programmable Logic Controller) as well as middle end and transition end radars, initial end and transition end video monitors, an initial end position sensor, a transition end grounding detection sensor, a load switch for fixing the flexible contact network and an initial end motor which are communicated with the PLC, thereby solving the problems that the cantilever structure suffers large lifting force, the flexible hanging mobile contact network has no tension compensation in the movement process, a following mechanism is uneven in stress and the synchronism is poor.

The invention discloses a table tennis ball picking device, and the device comprises a rack, a displacement mechanism, ball picking mechanisms, a ball collection mechanism, a control mechanism, a photographing mechanism, and a power mechanism. The rack is used for installing all parts. The displacement mechanism is installed at the bottom of the rack, and comprises a first drive motor and a longitudinal traveling wheel in transmission connection with the first drive motor. The displacement mechanism also comprises a second drive motor and a lateral traveling wheel in transmission connection with the second drive motor. The device is provided with two sets of ball picking mechanisms, and the two ball picking mechanisms are respectively disposed at the front and rear ends of the rack in the movement direction of the longitudinal traveling wheel. The ball collection mechanism comprises a ball feeding channel installed at a downstream side of a ball feeding plate, a screw blade disposed in the ball feeding channel, and ball collection frames which are located at two ends of the ball feeding channel. The invention also provides an automatic photographing device based on the above device. The path of the table tennis ball picking device is simplified, and the table tennis ball picking device achieves many functions.

This invention discloses a kind of mobile terminal music playing method. At first, it initializes the music playing system in the mobile terminal. Then user selects music to play. It can further display the image of singer. Then it synchronizing change the mouth shape and action of singer according to the music so make them consist with each other. Comparing the existing technique, this invention has low hardware environment, low cost, rapid transferring speed, good synchronizing effect because the small data volume. Especially the real person singing has good entertainment effect.

The invention discloses a low-cost small-sized bag feeding type nut packaging machine which comprises a main rack (6) and an auxiliary rack (7), wherein a bag fetching device, a bag clamping and conveying device (2), a bag opening device (3) and a bag sealing device (5) which are sequentially connected with one another are arranged in the main rack (6); and a weighing and blanking device (4) which is arranged on the auxiliary rack (7) is connected with the side part of the bag opening device (3). The low-cost small-sized bag feeding type nut packaging machine can improve the packaging efficiency and effect and is smaller in volume and lower in cost.

The invention discloses an outdoor electrical cabinet. The outdoor electrical cabinet comprises a left side door body and a right side door body, wherein the left side door body and the right side door body are arranged on the electric cabinet, a central locking cavity is formed in the left side door body, a central locking part is arranged in the central locking cavity, a driving part for drivingthe central locking part is arranged in the left side door body above the central locking cavity, and an upper locking part which can be driven by the driving part and can be locked with the right door body is arranged above the driving part; the driving part comprises a driving motor, and output shafts at the two ends of the driving motor are respectively in linkage with the central locking partand the upper locking part. According to the outdoor electrical cabinet, the safety of the electrical cabinet is improved, the locking is controlled by using one motor, the synchronism is high, the linkage control is convenient, one motor is used for driving three lock tongues to be locked with the right door body, the locking strength of a door is high, and the outdoor electrical cabinet is worthy of popularization.

The invention discloses an automatically connected power-accessing switch IOT (Internet-of-things) room-state system. The system comprises a data processing module which carries out IOT data synchronization, gathering and processing a plurality of room-state systems configured in advance, and uniformly manages the dynamic data displayed by the room-state systems configured in advance, a data emission module which synchronously connects the information for the room-state systems subjected to IOT data synchronization, gathering and processing and a power accessing switch IOT system configured in advance, and allows the power accessing switch IOT system to control the power supply of corresponding guest rooms according to the room state information subjected to synchronous gathering, and a data monitor module. When the room state information shows that a room is booked, the power accessing switch IOT system determines that corresponding guest room is occupied, and supplies power to the corresponding guest room according to the check-in time of the room obtained. When the room state information shows that a room is not booked, the power accessing switch IOT system determines that corresponding guest room is not occupied, and power accessing switch of the corresponding guest room is cut off according to the preset time.

The invention relates to ring-shaped workpiece inner wall defect detecting equipment and method based on machine vision. The ring-shaped workpiece inner wall defect detecting equipment comprises a rack and a plurality of groups of detecting stations, wherein the multiple groups of detecting stations are mounted on the rack in a spaced mode; each detecting station comprises a pair of lenses, a light source and a camera; a conveying chain is mounted on the rack; multiple pairs of lenses are mounted at the two sides of the conveying chain in a spaced mode; each pair of lenses is symmetrically arranged in an inclined mode; the light source is mounted above the lenses; and the middle part of the light source is equipped with the camera. The ring-shaped workpiece inner wall defect detecting equipment is simple in structure, and is in delicate in idea, and the whole detecting process is accomplished by equipment and does not need manual operation; besides, the camera in the equipment uses a common prime lens, so that the cost of the detecting equipment is reduced. The equipment is liable to realize, is high in practicability, and realizes all-around acquisition of the same station, so that a quick all-around detection purpose is realized, and therefore, a popularization and application value is wide.

The invention discloses a formula of edible fungi branch strain compost. The formula is characterized in that 12 sticks to 18 stick of reed stalks, 50 g to 75 g of grains and 20 g to 30 g of auxiliary materials are arranged in each special strain bottle with the specification being 750 ml. Meanwhile, the invention provides a preparation method of the strain compost. The preparation method includes the steps of selecting materials, soaking, washing and rinsing, bottling, sterilizing and cooling and inoculating. According to the formula of the edible fungi branch strain compost and the preparation method of the strain compost, the hollow feature of the reed stalks is utilized, the reed stalks are filled with grains, advantages of grain strains and branch strains are integrated effectively, and thus the mycelial growth speed is higher, and synchronism is higher; furthermore, the utilization rate of the reeds is increased, the material range of the branch strains is broadened, good effects on accelerating the spawn runing speed and shortening the spawn runing time are achieved, and the edible fungi branch strain compost can be used for culturing stock seeds and cultivated species of various wood rotting edible fungi such as mushrooms, oyster mushrooms, agarics, needle mushrooms, pleurotus eryngii and lucid ganoderma.

The invention discloses a full-automatic sole polisher which comprises a chain conveying unit (1), a cylinder feeding and discharging unit (2), a lead screw grinding wheel polishing unit (3), a gear transmission unit (4) and an auxiliary chain transmission unit (5). The cylinder feeding and discharging unit (2) and the auxiliary chain transmission unit (5) are arranged on two sides of the chain conveying unit (1) respectively, the lead screw grinding wheel polishing unit (3) is arranged on the auxiliary chain transmission unit (5) through the gear transmission unit (4), the chain conveying unit (1) comprises two pairs of bearing blocks (6) fixed onto a profile frame (15), two sprockets (7) are arranged between two bearing blocks (6) in each pair through conveying shafts (8), a chain (9) is arranged between every two sprockets (7) on the two conveying shafts (8), and a supporting plate (11) is arranged on the two chains (9) through chain plates (10). Soles are polished integrally, working time is saved, and shoe making efficiency is improved.

The invention relates to an open type tourism service information processing system comprising a product information server, a tourism service trade server, a customer service tracking server, a scenic spot information server, a hotel information server, a mobile communication device and an electronic terminal device capable of accessing a network. The tourism service trade server, the customer service tracking server, the scenic spot information server and the hotel information server are respectively connected with the product information server via the network. The mobile communication device is connected with the product information server via the network. The electronic terminal device is connected with the tourism service trade server and the customer service tracking server via the network. Compared with systems in the prior art, the open type tourism service information processing system has advantages of being green and environment-friendly, low in cost, high in reliability, high in information synchronizing capacity and high in extensibility.

The invention belongs to the technical field of large airships, and provides a large airship transferring and flying method based on an AGV laager, and the method comprises the steps: enabling a plurality of AGVs to form the AGV laager which can move synchronously according to the style of an airship; mounting distance measuring equipment on the multiple AGVs, wherein when the AGVs form a vehiclelaager to integrally move, one AGV serves as the benchmark, the other AGVs monitor the distances between the AGV and the adjacent AGVs at the same time, the distances between the AGVs are kept unchanged in a traveling process of the AGV vehicle laager, a threshold value is set in a control program of the AGVs, and vehicle speed adjustment is fed back in real time. keeping all the AGVs to keep synchronously move; inflating the airship and anchoring the airship on the AGV laager; automatically running the AGV laager along a guide route and carrying the airship to drive out of an airship depot; dragging the airship to a proper position by the AGV laager to accomplish airship distribution. The large airship transferring and flying method based on AGV laager can achieve quick, stable and safe transferring and flying of different airships.

The invention discloses a control system of automatic diversified sewing machine; the control system comprises a servo drive board and a main control board which are arranged on a motherboard; the servo drive board and the main control board are integrated in one circuit board and are connected via circuit board wires; the motherboard is further provided a closed loop stepping drive board and an open loop stepping drive board which are connected with the circuit board; the closed loop stepping drive board is connected with an external closed loop stepping motor; the open loop stepping drive board is connected with an external open loop stepping motor. The control system is able to achieve the short distance connection of the servo drive and the control, reduce the line interference, and increase the communication efficiency; three closed loop stepping motors or three open loop stepping motors can be correspondingly driven by one closed loop stepping drive board or one open loop stepping drive board; the signal processing is achieved by using one DSP known from the general three drivers of three chips; the synchronous property of the motors is stronger by using the frequency signal transmitted by unified crystal oscillators; therefore, a drive and control integrated seven axis control system is achieved.

The invention discloses an automatic grinding device for bearing outer rings, and relates to the technical field of bearing machining. The automatic grinding device comprises a first telescopic structure, a material pushing plate, a conveying table, synchronous holders, a positioning table, a supporting assistor and a driving holder. According to the automatic grinding device for the bearing outerrings, rotating arms are extruded forwards through the first telescopic structure, the frequency of the bearing outer rings falling into the conveying table is controlled, clamping pieces are controlled to clamp the bearing outer rings, then the rotating arms are extruded backwards through the first telescopic structure, the clamped bearing outer rings are sleeved with the driving holder to be fixed, bearings on the conveying table are pushed to a designated position, and the clamping pieces are made to loosen the bearing outer rings (under cooperation of first sliding grooves), so that the whole outer surfaces of the bearing outer rings can be ground through the external grinding device; and the tight fit transportation between the bearing outer rings can be guaranteed, the situation that the attached bearing outer rings are independently taken out to be ground through an additional clamping mechanism is avoided, high synchronism is achieved, and economical and efficient grinding ofthe bearing outer rings is achieved.

The invention discloses a rotary valve type pressure pulse generator. The pressure pulse generator is a cylinder structure formed by sequentially connecting an upper joint, an outer cylinder and a lower joint, and a flow passing channel is formed inside the cylinder structure; the pressure pulse generator is characterized in that the generator also includes a rotary valve, and the rotary valve isinstalled in the cylinder structure; the rotary valve includes a stator, a rotor and a main shaft; the stator is provided with a flow passing hole; the rotor is fixed on the main shaft, and the rotorrotates around the main shaft to change the flow passing area of the flow passing hole on the stator; and a sheath is installed on the inner wall of the cylinder structure in an offset manner. A driving mechanism is further disposed inside the cylinder structure, and a power output end of the driving mechanism is connected to the main shaft of the rotary valve. The rotor is connected to a speed reducer through a main shaft, and the driving mechanism includes the speed reducer, a magnetic coupling, a flexible coupling, and a motor that are sequentially connected. The rotary valve type pressurepulse generator achieves transmission of pressure pulse signals to a well head.

The invention provides a high-precision multi-station drilling device. The high-precision multi-station drilling device comprises a workbench, a drilling mechanism, a first workpiece fixing mechanism, a second workpiece fixing mechanism, a first driving mechanism, a second driving mechanism and a third driving mechanism, wherein the drilling mechanism comprises a rack, a plurality of gears and a plurality of drill pipes; the first driving mechanism is connected with the rack and drives the rack to move; the gears are arranged in the moving direction of the rack side by side, and are meshed with the rack; the drill pipes penetrate through the gears; the middle parts of the drill pipes are fixedly connected with the gears; drills are arranged at the two ends of each drill pipe; the first workpiece fixing mechanism comprises a first workpiece clamping plate movably mounted on the workbench; the second workpiece fixing mechanism comprises a second workpiece clamping plate movably mounted on the workbench; the second driving mechanism drives the first workpiece clamping plate to be close to or away from the rack; and the third driving mechanism drives the second workpiece clamping plate to be close to or away from the rack. According to the high-precision multi-station drilling device, a plurality of workpieces can be drilled and processed at the same time, the synchronism is high, the processing precision is high, and the product quality is good.

The invention provides a control system of an energy storage power station, and a communication method of the control system. The control system comprises a central controller and a plurality of energy-storing containers. The energy-storing container comprises a first energy-storing container and a plurality of second energy-storing containers. The first energy-storing container comprises a mastercontroller and a slave controller, and each second energy-storing container comprises a slave controller. The central controller, the master controller and each slave controller respectively comprisean EtherCAT communication module, which enables the central controller and the master controller, and the master controller and each slave controller to communicate through the EtherCAT protocol. Theinvention is advantageous in that the response of the central controller can be improved; the synchronization among the energy-storing containers can be increased; the demand of power grid can be metat the same time, and the stability of power grid can be improved.

The invention is applicable to the technical field of alarms, and provides a fireproof alarm rescue device. The device comprises an exhaust pipe for forming an exhaust passage, a water pipe rotationally arranged in the exhaust pipe, rotationally communicating with a water pipe, connected with fan blades and used for forming driving airflow to exhaust smoke, a screw rod rotationally arranged in theexhaust pipe, of a hollow structure and communicating with the water pipe through a speed reducing piece, a water spraying pipe nested on the screw rod in a matched manner, a motor connected with thewater pipe through a connecting piece and used for driving the water pipe to rotate, an audible and visual alarm used for warning, and a smoke sensor connected with the motor and the audible and visual alarm through a processing chip and used for sensing smoke, wherein the water spraying pipe is connected with a sliding rod, a sliding groove is formed in the inner wall of the exhaust pipe, and aspraying hole is formed in the sliding rod. The fireproof alarm rescue device has the advantages of simple structure, convenience in operation, strong fire extinguishing capability, convenience in personnel escape, energy conservation and good synchronism.

Provided is a system and method for recording and playback of the effects of light-emitting diode (LED) lighting devices. The method comprises the steps: 1 a network card of a computer is initialized; 2 a lighting control system based on an Art-Net protocol transmits an Art-Net data package to different lighting devices to enable the lighting devices to produce the lighting effects; 3 a recording system monitors an Art-Net port and captures the Art-Net data package of the Art-Net port based on a user datagram protocol (UDP); 4 the captured Art-Net data package is memorized in an internal memory; 5 data in the internal memory are analyzed, a repeat mode in the data is looked up, repeated data of the playing effects are deleted, and accordingly the number of frame data and the frame data of one playing effect are determined; 6 the determined data of one playing effect are saved to a local disk, serve as a record file and are used for effect playing; 7 a playing system obtains the record file to perform repeated playing.

The invention relates to a picking control method for RF (Radio Frequency) picking system, comprising the following steps of: (A) receiving and sending user login information to a picking server by an RF picking terminal; (B) detecting whether a user is matched by the picking server; if so, executing step (C);, returning the step (A); (C) sending picking list information to the RF picking terminal by the picking server; (D) scanning a bar code of goods by the RF picking terminal, and detecting whether the goods are matched according to the picking list information; if so, executing step (E), otherwise, executing step (H); (E) scanning a location bar code; (F); detecting whether the goods of the current picking list are scanned or not; if so, executing step (G), otherwise, returning the step (D); (G) storing shelf information; and (H) making an error prompt and returning the step (D). Compared with the prior art, the picking control method has the advantages of low cost, strong synchronizing capacity and the like, can conveniently increase the number of channels and has good expansibility.