179results about How to "Simple implementation" patented technology

The invention discloses a data transmission realizing method and system based on SPI, belonging to the communication field. When the data is sent to a slave device by a master device, the MREQ signal is sent to the slave device through a MREQ line by the master device and a data package of first package is sent to the slave device by a master device output slave device input data line MOSI wherein the packaged data package is carried with a packet head mark and a length mark, after the SRDY signal from the slave device is received through a SRDY line. When the data is set to the master device from the slave device, the SREQ signal is sent to the master device from the slave device by a SREQ line and a data package of second package is sent to the slave device by the master device input slave device output data line MOSI after the SREQ signal is sent to the master device from the slave device by the SREQ line. The method and device realize high-speed data transmission based on SPI interface, with features of simple scheme, low cost, easy realization of handshake mechanism, reduced workload of the master device and the slave device and increased transmission efficiency.

The invention relates to truss type foldable units and foldable supporting arms formed by the same and particularly to an elastic hinge driving truss type foldable unit and a foldable supporting arm. The elastic hinge driving truss type foldable unit and the foldable supporting arm aim at solving the problems that the existing hinged supporting arm is complicated in driving mechanism, large in folding size and low in repeated unfolding accuracy and accordingly the structural weight is greatly increased and the unfolding reliability is low. The elastic hinge driving truss type foldable unit comprises an upper frame, a lower frame, N elastic hinge type folding arms and N groups of drawing cable assemblies; the upper frame and the lower frame are arranged in a parallel mode; N vertexes of the upper frame and N vertexes of the lower frame are arranged in an upper and lower corresponding mode; every two corresponding vertex angles formed between the upper frame and the lower frame are supported through the corresponding elastic hinge type folding arm and can be connected with each other in a rotating mode; every group of drawing cable assembly is arranged at the diagonal position in a rectangular plane which is formed by the upper frame, the lower frame and the two corresponding adjacent elastic hinge type folding arms. The elastic hinge driving truss type foldable unit and the foldable supporting arm are applied to a satellite, a space station and a space probe.

A lighting control method is completed by a main controller and a decoding controller, wherein, the main controller encodes the lighting control signal into a transmission data signal composed of '0' or '1', and then converts the transmission data signal into a waveform data group that can be transmitted by the electric power line to transmit to the decoding controller, the decoding controller analyzes the lighting control data of the corresponding lamp from the received waveform data group, and then performs lighting control to the lamp. A lighting control system made up by the method, principally includes a main controller, a plurality of decoding controllers and lamps connected to the decoders. The invention has strong anti-interference capability and high reliability, does not has anyrestrictions to the transmission distance, and has little effect on the power grid factor; the invention only uses the existing electric power line network, can effectively perform reconstruction of lighting energy-saving engineering without increasing any cable, has very low manufacturing and installation costs, and can construct intelligent lighting system with different functions by combining different lighting control software.

The present invention provides a complete scissor-like double-layer annular truss extendible antenna mechanism. The mechanism comprises an inner layer annular truss component, an outer layer annular truss component and N inner and outer layer connection truss components; the inner layer annular truss component and the outer layer annular truss component both include N extending units; two common flower discs are connected between adjacent extending units; the inner and outer layer connection truss components are concentrically arranged; two upper and lower flower discs at each side of the inner layer extending units are connected with the corresponding two upper and lower outer layer flower discs at each side of the outer side layer extending units respectively through one inner and outer layer connection truss component to form a double-layer annular truss; and the distance between the length of the rod pieces at the same position of the inner and outer layer extending units and a flower disc rotation secondary axis and a center line satisfies a special proportional relation, and the ratio of the inner layer and the outer layer is (1-sin(180 / N)) / (1+sin(180 / N)). The complete scissor-like double-layer annular truss extendible antenna mechanism is high in rigidity, simple in structure and high in reliability, and can be applicable to a communication satellite, a space station and a space probe.

The invention discloses a magnetic-navigation motion control system for use in capsule endoscopy, which can realize the motion control and position control over a capsule endoscope in the alimentary canal. The system comprises a supporting part for an examination receiver, a magnetic assembly, a magnetic support seat and a servo control unit, wherein the magnetic assembly generates a quasi-static magnetic field by using a permanent magnet and mechanical movement to realize the positioning and orienting of the capsule endoscope with a built-in permanent magnet. The magnetic-navigation motion control system provided by the invention has 5 universal driving shafts and can realize the motion control and position control over the capsule endoscope in the alimentary canal with the external control over the feeding speeds, rotating speeds and relative movement speeds of the parts of a magnetic navigator system.

The invention relates to a method for producing a biogas slurry fertilizer having the advantages of no biogas slurry odor and high fertilizer efficiency. The method provided by the invention comprises the following steps: A. charging fresh biogas slurry; B. adding waste molasses; C. inoculating a microorganism leavening agent and inoculating bacillus and photosynthetic bacteria according to the ratio to the fresh biogas slurry; D. shaking or stirring for aerobic fermentation; and E. storing after fermentation, wherein the biogas slurry fertilizer with mixing bacteria obtained after fermentation is stored at normal temperature or refrigeration temperature. The method provided by the invention has the advantages of simplicity in operation procedures, low cost, no pungent odor, high fertilizer efficiency and the like.

The invention relates to a method for monitoring the effective coverage of concrete vibration in real time, which includes the following steps: a vibrated area is divided into a regular virtual grid according to a set interval; the coordinates of vibrating equipment are acquired by a positioning device in real time; the azimuth of vibration is acquired by an azimuth sensing device in real time, and in combination with the coordinates of the vibrating equipment and vibrated shape data, the effective vibration-affected area of the vibrating equipment is calculated; the effective vibration-affected area is mapped into the virtual grid, and according to whether the effective vibration-affected area is completely covered by the virtual grid, the coverage coefficient of the virtual grid is calculated; and according to the coverage coefficient of the virtual grid, vibration data are statistically analyzed. The method realizes the automatic monitoring of the coverage of concrete vibration, dispensing with manual intervention, and moreover, the method realizes the real-time monitoring of the coverage of vibration, prevents the errors of artificial judgment, and ensures that the process of vibration is more intelligentized, the precision of data is high, and the method is stable and reliable.

The invention provides a double-layer annular truss antenna mechanism based on passive drive and relates to double-layer annular truss type expandable antenna mechanisms. The problems that an existing large-caliber single-ring annular truss antenna is small in rigidity, the use rigidity requirement can not be met, an existing annular truss antenna mechanism is complex in drive structure and large in weight, inhaul cables are prone to be twisted after being used for unfolding the mechanism, and the unfolding reliability is low are solved. The double-layer annular truss antenna mechanism comprises multiple inner and outer truss foldable unit modules, multiple inner transition folding assemblies and multiple outer transition folding assemblies. Each inner and outer truss foldable unit module comprises an inner folding unit module, an outer folding unit module and two inner and outer connection truss assemblies. Inner supporting vertical rods and outer supporting vertical rods which are opposite are connected through the inner and outer connection truss assemblies. After the inner and outer truss foldable unit modules are unfolded, an inner and outer double-layer annular truss polyhedron is formed. The double-layer annular truss antenna mechanism is used for a satellite, a space station and a space probe.

The invention discloses a triangular prism shaped extensible plane film antenna mechanism, relates to an antenna mechanism and aims to solve the problems of an existing hinged supporting arm that a driving mechanism is complex, structure weight is greatly increased and expansion reliability is low. Two pulley locking mechanisms are symmetrically installed on the left side and the right side of anelastic extension rod expansion mechanism (1), a plurality of pulley mechanisms are locked on each pulley locking mechanism, and the plurality of pulley mechanisms form a triangular prism truss unit through the extension of three elastic extension rods (3) of the elastic extension rod expansion mechanism (1). The expansion process of the mechanism is realized through the outward extension of the elastic rod, the elastic extension rod is expanded to be under a straight line bulging state which is a stable stage, the elastic extension rod is bent and deformed by a large moment, so that the mechanism does not need a locking device after being expanded, and the mechanism is simple in implementation ways and is stable and reliable in working. The mechanism can be used for fields of aerospace and the defense-related science and technology.

The embodiments of the invention disclose a power battery heating method and device of an electric vehicle. The power battery heating method includes the steps that when a fast heating instruction isreceived, a first motor control instruction containing a direct axis current set value and a quadrature axis current set value is generated, wherein the direct axis current set value is zero and the quadrature axis current set value is greater than zero; a motor is controlled into a motor stalling state based on the first motor control instruction; and a battery water circuit containing a power battery is in series connection with a motor water circuit containing the motor to introduce motor locked-rotor heat into the battery water circuit. According to the embodiments, active motor stalling can be realized, and the motor stalling heat is used for heating the power battery, so that the heating speed of the battery can be improved.

The invention relates to an online measurement device and method for boiler pulverized coal particle parameters. The device comprises an optical signal collection unit and a data processing unit, wherein the optical signal collection unit is used for collecting an optical signal caused by that pulverized coal particles flow through a measurement area, and comprises two paths of light sources, probes and a photoelectric element, the light sources are used for emitting light to irradiate the measurement area, the two paths of probes are inserted into a boiler pulverized coal particle pipeline, the photoelectric element is used for receiving the optical signal of the pulverized coal particles flowing through the measurement area and converting the optical signal into an electrical signal, the data processing unit is connected with the optical signal collection unit, and is used for processing the signal collected by the optical signal collection unit, the data processing unit comprises a data collection system and an analyzing and processing system, the data collection system is used for recording and storing the signal collected by the optical signal collection unit, the data processing unit is used for processing the signal recorded and stored by the data collection system, and a processing result is stored in the data collection system. The online measurement device and method have the advantages that a structure principle is simple, the sensitivity is high, and the like.

A one-axis sun position tracking device with its rotation axis parallel to the rotation axis of the Earth, rotates perpetually at a constant speed in the opposite direction of the Earth's rotation. This device comprises a shaft that is aligned to the Earth's polar axis, one or more crossbars are rigidly attached to and perpendicular to the shaft, solar energy collectors are mounted on the crossbar and could rotate around the crossbar that defines declination angle. A self-latched declination angle adjustment mechanism keeps the declination angle constant at most of time. A drive mechanism keeps this solar tracker to rotate perpetually. An automatic and abrupt declination angle change will keep the declination angle updated to correct value each day. A similarly configured two-axis tracker that continuously updates its declination angle by a mechanism derived from a differential coaxial rotation. Two independent driving mechanisms control the speed and / or duration of the two coaxial rotations, and are programmed to eliminate all tracking errors from various sources.

The invention relates to the field of data communication and discloses a method for controlling the flow rate by utilizing an access control list by aiming at the condition that the existing interchanger can only limit the message forwarding rate and cannot limit the total flow rate. According to the technical scheme, firstly, a message matching function of the access control list is utilized, meanwhile, a message number statistical function is combined, a volume bucket is defined, when the volume of the volume bucket reaches the specified threshold value, messages are controlled, and the message passing speed can be limited or the message passing is forbidden. The access control list is utilized for controlling the total number of the flow rate entering the interchanger in a certain time period, and clients can flexibly define the flow rate entering the interchanger. The invention also discloses a system for controlling the flow rate by utilizing the access control list. The method and the system provided by the invention have the advantages that according to different matched fields, the control based on ports, VLANs (virtual local area networks) or the whole equipment flow rate total number can be realized on the interchanger, and meanwhile, the flow rate total number can also be controlled in a combined way in modes such as data types and service types.

The invention discloses a method for upgrading and transforming an old Spring version framework, which belongs to the field of the SPRING framework. The method steps are as follows: 1), update the spring jar package, and modify the spring configuration file; 2), add transaction control configuration in applicationContext.xml ;3), update the mybatis jar package, and put the new mybatis jar package in the WEB‑INF / lib directory. Update the configuration.xml file, add some java bean definitions, and use these beans to transfer data between the front and back; 4), configure the field mapping in the mapper file. The present invention firstly loads the basic configuration, and then loads the business components in a self-defined manner, and uses java beans to replace the Map, so as to avoid confusion.

The invention discloses a method and a system for following balance vehicles on the basis of signal strength. The method for following the balance vehicles on the basis of the signal strength includesstarting following modes; setting initial locations of the balance vehicles as coordinate original points; receiving wireless signals of intelligent equipment according to preset time intervals; computing the distances and the directions of the intelligent equipment and the balance vehicles according to the strength of the wireless signals; marking coordinates of the intelligent equipment relative to the coordinate original points according to the distances and the directions; forming movement tracks; allowing the balance vehicles to follow the movement tracks to move. The method and the system have the advantages that the balance vehicle following recognition accuracy can be improved, and schemes are simple.

The invention provides a multi-specification stud welding mistake proofing device which comprises a stud welding gun, a welding gun sleeve is sleeved at the head of the stud welding gun and matched with a guide sleeve, and the guide sleeve is mounted on a stud welding tool. The invention further provides a method using the multi-specification stud welding mistake proofing device. The method includes the steps: sleeving the welding gun sleeve at the head of the stud welding gun; mounting a workpiece to be welded on the stud welding tool; holding the stud welding tool with a hand and sleeving the welding gun sleeve into the guide sleeve; determining whether the stud welding gun is misplaced or not through welding indicator lamps of the stud welding gun. Stud welding can be smoothly performed only when the welding gun sleeve is sleeved into the correct guide sleeve of the multi-specification stud welding mistake proofing device. According to the multi-specification stud welding mistake proofing device and the method, studs are prevented from being mistakenly welded, the implementation mode is simple and easy, and the qualified rate of products is ensured.

The purpose of the invention is to provide a method and device for providing a system information block type12 (SIB12) by an eNB. The method comprises: a provider device distributing an individual system information message to the SIB12 so as to obtain SIB12 scheduling information corresponding to the SIB12, the SIB12 scheduling information being included in a corresponding SIB1; performing coding processing on the SIB1 comprising the SIB12 scheduling information so as to obtain a coded SIB1; and sending the coded SIB1 and the system information message corresponding to the SIB12 to a terminal device corresponding to the eNB. Compared to the prior art, the SIB12 is individually packaged in the system information message so as to be sent to the terminal device so that the system information message for the SIB12 is simpler and can be individually processed without comprising other SIBs, thus the implementation mode of processing the SIB12 by the eNB is simplified, the coding and broadcasting of the system information message are more efficient, and the scheduling of the system information message is more flexible.

The invention provides a construction method of plant community in South China, comprising the following steps of selecting plant seeds of grasses, shrub and arbor; treating a part of the seeds; preparing a seed mixture; preparing a substrate mixture; preparing a seed and substrate mixture; jetting the seed and substrate mixture; controlling the herb height and the density of the shrub and the arbor; spraying paclobutrazol physic liquor to herbs; spraying stress resistant high nutrition foliar fertilizer to the arbor; and finally, carrying out conventional management. The invention can promote the seeds to fast and safely germinate, guarantee stable structure and function of artificial vegetation, and efficiently shorten the succession period from the artificial vegetation to natural vegetation, and is used for the construction method of geotechnical wound surfaces including slopes, abandoned dreg sites and mining places and plant communities of degraded soils in the South China.

The invention discloses a well deviation measuring system for gas drilling used for measuring well deviation and positions in conventional gas drilling. The system realizes precisely, stably and conveniently transmitting signals by adopting a way that wire transmission and wireless transmission are matched. The technical scheme is that the system consists of a measuring head, a cable quick coupling, a signal transmission nipple and ground equipment, wherein the measuring head is placed above a drilling head through a cable, so that signals are transmitted to the signal transmission nipple of a wellhead through a cable; the cables are connected by adopting the cable quick coupling, the signal transmission nipple is arranged between a water faucet and a square drilling rod, and a signal processing circuit board, a power supply and a signal projecter are arranged inside the inner core shell of the signal transmission nipple; a cable sealing joint is arranged at the lower end of the inner core shell, the signal transmitter is connected with an antenna cover plate through a guide wire, and the ground equipment receives signals through a signal receiver. The system can realize measuring and transmitting signals in real time along with drilling, so that the system can be used for gas drilling and unbalanced drilling.

This invention provides an adjustment method and a device for the judgment level of a receiving device in a digital communication system including obtaining the EC counting values of bit 0 and bit 1 of the EC unit of a receiving device to carry out related adjustment to the judgment level of the receiving device based on the difference between the two values. This invention utilizes the quiet relation between the difference of counting values of bit 0 and bit 1 of the EC unit and the judgment level to adjust the judgment level.

The invention discloses a bias guiding mechanism of a static pointing type rotary steering well drilling tool and a control method, and belongs to the technical field of petroleum and natural gas welldrilling. The bias guiding mechanism of the static pointing type rotary steering well drilling tool comprises a drill bit connecting shaft and a non-rotary outer cylinder, and further comprises a flexible hose, bias mechanisms and a sliding block connecting piece; the flexible hose is connected with the drill bit connecting shaft, and the bias mechanisms are installed in the non-rotary outer cylinder; the bias mechanisms comprise center adjusting sliding blocks, spiral telescopic mechanisms and control motors; the sliding block connecting piece is arranged on the outer part of the drill bit connecting shaft in a sleeving mode; and the center adjusting sliding blocks are connected with the control motors through the spiral telescopic mechanisms and are installed in the sliding block connecting piece, the center adjusting sliding blocks are driven by the control motors to move forward and backward to push the drill bit connecting shaft, and control over structure bend angles and tool face angles is realized. The disturbance and the load applied on the motors are both small and stable in the process of making a connection, the electric energy requirement of a system is reduced obviously, and the service life of the guiding tool is prolonged; and the scheme is simple and easy to operate, and the structure is compact.

A method for configuring a search space within which a mobile terminal performs blind decoding attempts for potential control message candidates which may be transmitted by a base station. The frequency domain resource for which the terminal performs a blind decoding attempt for a given candidate message is determined by a pseudo-random selection (known by both terminal and network) from a pre-determined set of possible resources. A difference from prior art is that pre-determined set of resources can be different for each candidate. In a preferred embodiment the set of resources is configured by the network for each terminal and each candidate. The method may be applied for example to ePDCCH of an LTE-A wireless communication system.

The invention discloses a target location method based on trifocal tensor pixel transfer. The recovery of a three-dimensional structure of an object from a two-dimensional view is one important research direction of computer vision. The invention proposes the target location method based on the trifocal tensor pixel transfer by the research of a geometrical relationship among three images shot by different cameras in the same field and the performance that the trifocal tensor only depends on a relative position among the cameras and parameters in the cameras; the method inputs the images shot by two cameras on the ground in the same field and a virtual top view obtained by actual measurement to a computer to process before a target appears, and then obtains the trifocal tensor by calculation of a random sampling consensus algorithm; after the target appears, the method uses the trifocal tensor to recover pixel projection coordinates of the target on the virtual top view and finally amplifies the projection coordinates according to a proportion to obtain an actual direction of the target; and the method has an important theoretical significance and an actual application value for target location under a complex and sheltered environment.

The invention discloses an anastomat for prepuce cutting. The anastomat comprises a shell, a prepuce fixing component, a cutting component and a drive component. A nail bin is arranged at the head of the shell, and an adjusting knob capable of rotating in the circumferential direction is arranged at the tail of the shell; the prepuce fixing component comprises a glans penis cover, a connecting rod is arranged at the tail of the glans penis cover, and the tail of the connecting rod is matched with the adjusting knob through a thread; a first visible portion is arranged on the side wall of the shell of the anastomat for prepuce cutting, and a first indication portion is arranged on the connecting rod; a second visible portion is arranged on the adjusting knob, and a fourth indication portion is arranged on the connecting rod. In this way, the relative position relation between the glans penis cover and the nail bin can be determined by comparing the position of the first indication portion relative to the first visible portion or the position of the fourth indication portion relative to the second visible portion, the position of the glans penis cover can be visualized, then the accuracy and effectiveness of cutting operation are guaranteed, early warning can be made for possible operation risks, and the reliability of an operation is greatly improved.

The invention relates to an over-constrained shear fork-type double-layer annular truss deployable antenna mechanism. The over-constrained shear fork-type double-layer annular truss deployable antenna mechanism comprises an inner-layer annular truss assembly, an outer-layer annular truss assembly and 2N inner and outer-layer connection truss assemblies; the inner-layer annular truss assembly includes N inner-layer folding and unfolding units; adjacent inner-layer folding and unfolding units are connected with each other through two common inner-layer disc chucks, so that the inner-layer annular truss assembly can be formed; the outer-layer annular truss assembly includes N outer-layer folding and unfolding units; adjacent folding and unfolding units are connected with each other through two common outer-layer disc chucks, so that the outer-layer annular truss assembly can be formed; and two inner-layer disc chucks at the upper part and lower part of the same side of each of inner-layer folding and unfolding units are connected with four outer-layer disc chucks of a certain outer-layer folding and unfolding unit through two inner and outer-layer connection truss assemblies, so that the shear fork-type double-layer annular truss deployable antenna mechanism can be formed. The shear fork-type double-layer annular truss deployable antenna mechanism of the invention has good manufacturing process, high rigidity and large folding ratio.

The invention discloses a rocker sliding block type wheel-track form reconfigurable walking mechanism. The walking mechanism comprises a main body connecting and supporting component, a power component, a wheel-track component and unfolding mechanisms. When the unfolding mechanism is completely unfolded, the stability is good, the rocker sliding block type wheel-track form reconfigurable walking mechanism has the advantage of flexible movement and can realize wheel / track switching movement; a reconstruction assembly comprises two deformation mechanisms which are symmetrically arranged about the longitudinal symmetry plane, the two unfolding mechanisms are similar in structure, the two deformation mechanisms are connected with the outer wheel connecting piece and the center connecting piecethrough revolute pairs and the machine body respectively, and rapid switching of the wheel / track movement forms of the walking mechanism can be achieved through folding and unfolding deformation of the two deformation mechanisms. The rocker sliding block type wheel-track form reconfigurable walking mechanism is high in stability and can be applied to a post-disaster rescue reconnaissance and exploration robot and a rapid rescue moving mechanism.

The invention provides a construction method of plant community in Central China, comprising the following steps of selecting plant seeds; pretreating a part of the seeds; preparing a seed mixture; preparing a substrate mixture; preparing a seed and substrate mixture; jetting the seed and substrate mixture; controlling the herb height and the density of shrub and arbor; spraying paclobutrazol physic liquor to herbs; spraying stress resistant high nutrition foliar fertilizer to the arbor; and carrying out conventional management. The invention can promote the seeds to fast and safely germinate, guarantee stable structure and function of artificial vegetation, and efficiently shorten the succession period from the artificial vegetation to natural vegetation, and is used for constructing geotechnical wound surfaces including slopes, abandoned dreg sites and mining places and plant communities of degraded soils in Central China.