168results about How to "Avoid pause" patented technology

The invention belongs to the field of track planning of an industrial robot and discloses a robot real-time corner transition method based on Bezier spline. The method comprises the following steps: recording the coordinates of a start point and a transition point of a joint space, the coordinates of a target point and the transition point of a Cartesian space, the transition radius R and the maximum error constraint of the Cartesian space; calculating the coordinates of the start point and the end point of a transition curve of the Cartesian space and the coordinates of the start point of the transition curve of the joint space; calculating the unit vector of the velocity direction of the start point and the end point of the transition curve of the Cartesian space; calculating the coordinates of a middle control point of the transition curve of the Cartesian space and solving a constructor function of a Bezier spline curve; finally performing velocity planning and interpolation. By adopting the method disclosed by the invention, transition radius and maximum transition error constraints are realized during transition between a point-to-point motion command and a linear motion command, and the corner transition between the point-to-point command and the linear motion command is implemented with high efficiency and high quality.

The invention relates to the technical field of robots, and provides a master-slave underwater robotic arm delay control method which can achieve coordinated control on the master arm and the salve arm of a master-slave underwater robotic arm in a bad operating environment and under the condition of transmission communication delay. The method comprises the following steps: giving the structure parameters of an underwater robotic arm, and making a delay analysis of the master and slave robotic arms according to a kinematics model of the underwater robotic arm; collecting hydrodynamic factors, and verifying whether the performance of the robotic arm meets the demand of the model according to the kinematics model of the underwater robotic arm; and delaying an action signal of the master arm, caching joint control signals at first n moments in an underwater controller, and calculating the ideal motion position of the joint of the slave arm at a moment n+1 based on a multi-power curve fitting method. The problem that an underwater robotic arm works intermittently due to a bad operating environment and transmission communication delay is solved.

A backup is continued in a computer system even one storage device is stopped. In the computer system, a first storage device, upon reception of a data write request to a first storage area, stores the data in the first storage area and a second storage area, and transmits the data to a second storage device. The second storage device stores the received data in a third storage area and a fourth storage area. The first storage device, upon reception of a snapshot creation request, suspends storing of the data in the second storage area, while the second storage device, upon reception of the snapshot creation request, suspends storing of the data in the fourth storage area at timing that the same data is stored in the second storage area and the fourth storage area, and after storing of the data is suspended, transmits an identifier equal to an identifier of the second storage area to an inquiry transmission source as an identifier of the fourth storage area.

The invention provides a resolving method for network television live broadcast packet loss, wherein, a live broadcast server buffers a segment of recently broadcasted streaming media data in the form of packet during the multicast process at first; when a client is accessed into a certain live broadcast channel, multicast groups are added and a reliable transmission control protocol link is established; if the client detects of multicast packet loss, the live broadcast server is requested to retransmit lost packets through the transmission control protocol link, and packet-loss data is restored. By adoption of the method of the invention, the problem of live broadcast packet loss in a broadband access network can be solved by small overhead and user experience quality is improved, and simultaneously broadband access requirements of live broadcast services to broadband access networks can be lowered and network construction cost is lowered.

The invention discloses a pose-synchronous six-axis industrial robot track smoothing method, which adopts an arc curve to transit a position track and adopts a quaternion B spline to transit an attitude track. The position and attitude tracks after transition have high-order continuity, transition errors of the position and attitude can be restrained at the same time, and the position and attitudetracks after transition have parameter synchronism. The method comprises the following two steps: step 1, determining transition parameters according to a transition error threshold value, a continuity condition and a pose synchronization condition of the position and attitude; 2, calculating transition tracks of the position and the attitude respectively according to the transition parameters; according to the smoothing method provided by the invention, the smooth and precision-controllable six-axis robot track can be generated, so that the operation efficiency and precision of the six-axisrobot are improved.

A conveyor arrangement for conveying containers in a container treatment system, including a conveyor track, at least one conveyor element movably arranged on the conveyor track and used for conveying one or a plurality of containers, a conveyor element servicing device connected to the conveyor track, and an open-loop and/or closed-loop control unit, where the conveyor track and the conveyor element are configured such that the conveyor element can be guided along the conveyor track in an individually controllable manner by means of the open-loop and/or closed-loop control unit, and where the open-loop and/or closed-loop control unit is configured to supply the conveyor element to the servicing device depending on at least one state parameter of the conveyor element.

The invention discloses a robot control method capable of avoiding the generation of singular points, which comprises two stages of trial running and normal running of a robot, the executed concrete operation in the stage of trial running of the robot is as follows: the robot repeatedly runs, and portable singular points in a moving track of the robot are determined by check and calculation, and relevant data is stored in a preset database to be used for correcting the action in the normal running of the robot; and the operation in the stage of normal running of the robot is as follows: the results of check and calculation in the practical running process of the robot and the corresponding content in the database are compared to correct the practical running track of the robot to achieve the purpose of avoiding the generation of the singular points.

The invention discloses a cell switching method comprising: wireless network controller RNC notifies basic information of target cell and MBMS point-to-multipoint control channel MCCH channel related parameter of user equipment UE; the UE acquires target cell MBMS control information from target cell MCCH channel, establishes MBMS service loading of target cell according to acquired MBMS control information; the UE switches to target cell to receives MBMS service data. The invention simultaneously discloses a UE and RNC. The inventive technical scheme can guarantee continuity for receiving MBMS service data in cell switching, promote MBMS service data receiving quality of UE.

The invention provides a method for improving the audio playing quality, an audio data acquisition method and an audio data acquisition system, wherein the method for improving the audio playing quality comprises the following steps: according to the preset time, acquiring and caching the audio data to be played of the guest operation system, wherein the quantity of the acquired audio data is larger than the quantity demanded of the audio data of the physical audio card; and according to the audio playing parameters of the physical audio card, sending the cached audio data to the physical audio card to play. The invention can improve the sound playing performance of the guest operation system, and improve the user experience.

The invention discloses an intelligent door lock non-inductive door-opening system based on face recognition, which comprises a detection module for detecting a movement track of a user and judging amovement direction of the user, a control module for activating the operation of an identification module according to the signal output by the detection module, an identification module for acquiringthe facial feature information of a user and comparing with preset data. When the system works, the detection module acquires whether a user exists in a monitoring range in real time, and collects the movement track of the user and judges the movement direction of the user. When the movement direction of the user is the door opening direction, the identification module is activated under the control of a control module, a user face image is acquired, the acquired face image is compared with preset authorized image information, and a door opening command output by the control module is executed by the intelligent door lock when the acquired face image is identical to the preset authorized image information, thereby achieving the opening of the door. As the system is advanced in predictingthe door opening of the user, sufficient time is provided for the system reaction, the time delay starting or stopping are avoided when the user is detected, and the user experience is improved.

The present disclosure provides a detection circuit for a display panel, comprising: a shorting bar, with connection lines for introducing a test signal or a control signal arranged thereon; a transistor array, the gates of which are connected to the connection lines for introducing the control signal, wherein the connection lines for introducing the test signal are connected with the data lines or the scanning lines of the display panel via the sources and the drains of transistors, under the control signal, and a component, arranged between the gates of the transistor array and the shorting bar, for further reducing or increasing a voltage or current of the gates so that the transistor array can be cut off reliably when the control signal is a signal enabling the transistor array to be cut off. The detection circuit can further reduce the channel length of the thus being advantageous for the design of the narrow frame.

The invention discloses a PBKDF2 cryptographic algorithm accelerating device. The device comprises a CPU+FPGA (Field-Programmable Gate Array) heterogeneous system composed of an FPGA and a universal CPU. The invention further provides a PBKDF2 cryptographic algorithm accelerating method. The method comprises the following steps: 1) initial: computing a pre-computing part and a part before a loop body of a PBKDF2 algorithm is executed in a CPU, and transmitting a computed result to the FPGA via a bus interface; 2) loop: placing a computing-intensive loop body part in the PBKDF2 algorithm onto the FPGA, improving an acceleration effect and a resource utilization efficiency on the FPGA using an optimization means, and transmitting the computed result to the CPU via the bus interface; and 3) check: reading result data obtained after FPGA accelerated computing, and performing computed result summarization as well as check value computation and judgment.

The invention provides an electronic device and a data transmission method, and relates to the technical field of network application. The number of operation steps performed by a user during resource sharing can be reduced, and the experience of the user on the current network during resource sharing is prevented from being suspended. The method comprises the following steps: when a first content is output, a corresponding behavior feature of a user when the user browses the first content is sampled, wherein the first content is one item or a combination of multiple items selected from video, audio, image and text; whether the corresponding behavior feature of the user when the user browses the first content is matched with a preset user behavior feature is judged; a transmission instruction is generated when the corresponding behavior feature of the user when the user browses the first content is matched with the preset user behavior feature; and a target data is determined according to the transmission instruction, and the target data is transmitted to a second electronic device. The electronic device and the data transmission method of the invention are applied to the data transmission technology.

The invention discloses a motor protection control system and method. The control system comprises a temperature protector which is arranged in a motor and used for performing temperature protection on the motor; a rotating speed detection board which is arranged in the motor and is provided with a rotating speed detection device and a temperature detection device, wherein the rotating speed detection device is used for detecting the rotating speed of the motor and the temperature detection device is used for detecting the temperature in the motor; and a control device which is arranged outside the motor and used for supplying power to the motor stator through the temperature protector to drive the motor rotor to rotate and regulating the input voltage of the motor in a stepped way according to the temperature in the motor to control the stepped change of the rotating speed of the motor. According to the control system, the temperature detection device is additionally arranged on the rotating speed detection board of the motor so that real-time transmission of the temperature in the motor can be realized, then active protection can be performed on the motor according to the real-time temperature in the motor and suspension or loss of the function of the motor can be avoided.

The invention relates to the technical field of computer networks, and discloses a data exchange method based on full fragmentation and incremental log analysis, which comprises the following steps: step 1, carrying out data fragmentation according to a database table primary key, and storing fragmented information into a message queue to obtain full fragmentation information; step 2, according toa preset job mapping relationship and the total fragmentation information in the message queue, obtaining data from a database in batches and writing the data into a target end; 3, performing real-time database incremental log analysis according to the write-in time points of the full records, and storing incremental data to a message queue in real time; and step 4, obtaining corresponding incremental data from the message queue by the position point recorded in last incremental data writing, and writing the incremental data into the target end. Batch and incremental acquisition of the data can be realized without modifying a source table structure, online business pause or service downtime is avoided, the source data can be sent to a destination end in real time while the format of the source data is ensured, and timely data service is provided.

The embodiment of the invention discloses a goods sorting system with a security check function and a method and relates to the technical field of intelligent logistics. The system comprises a security check machine, and a moving transporting device in space matching with a security check channel. The security check machine is provided with a detector, a security check driving device and the security check channel. The moving transporting device moves received to-be-sorted goods to pass through the security check channel through the security check driving device, and the detector is used for detecting security of the to-be-sorted goods in the security check channel. By means of the above scheme, automatic security check can be achieved in the goods conveying process, and the conveying efficiency of the goods sorting system is improved.

A multi-processor system with a plurality of unit processors in which the unit processors can operate in parallel includes: a suspension prohibition section for, in response to a request from at least one of the unit processors, prohibiting suspension that suspends, only in the requesting unit processor, processing executed in the unit processor.

The invention discloses a tailoring and conveying separated spinning device. The tailoring and conveying separated spinning device comprises conveying rollers, the outer sides of the conveying rollersare sleeved with conveying belts, shaft end bearings of the conveying rollers are connected to a supporting frame, extrusion rollers are connected to the supporting frame through bearings, the extrusion rollers are arranged on the conveying rollers, the conveying rollers and the extrusion rollers are tightly attached to the inner sides and the outer sides of the conveying belts correspondingly, the outer sides of the shaft ends of the conveying rollers are in key connection with chain gears, the outer sides of the chain gears on the same side are in engaged connection with chains, shifting sleeves are fixed to the chains, and transmission blocks are arranged at the upper ends of the shifting sleeves. According to the tailoring and conveying separated spinning device, tailoring and conveying of cloth do not affected, the cloth is cut in a continuous conveying process of the cloth, then the working efficiency can be improved conveniently, the two sides of the tailoring part can be pressed in the cloth cutting process, then the cloth can be advantageously cut stably, and the problem that the cloth is cut to be damaged due to deviation of the cloth when the cloth is cut in the past isavoided.

The invention relates to an auto-induction stepping temporary storage object table and a temporary storage method. The auto-induction stepping temporary storage object table comprises a coating platform used for coating a substrate and a feeding rack arranged on one side of the coating platform. An object table body used for temporarily storing the substrate is arranged on one side of the feedingrack, and the feeding rack is provided with a conveying assembly used for conveying the substrate to the coating platform and a temporary storage feeding assembly used for conveying the substrate to the object table body in the maintaining and replacing process of the coating platform. The feeding rack is arranged on one side of the coating platform, and the object table body is arranged on one side of the feeding rack; when the coating platform is in a normal working state, the substrate is conveyed to the coating platform by the feeding assembly arranged on the feeding rack to be subjected to coating action; in the maintaining and replacing process of the coating platform, the temporary storage feeding assembly arranged on the feeding rack is switched to convey the substrate on the feeding rack to the object table body, and therefore the problem that production is suspended in a whole production line due to the maintaining and replacing of the coating platform is solved.

The invention discloses a multimedia data receiving and processing method and device. The method comprises the steps as follows: when multimedia data are received, cache regions are selected according to busy and free states of the cache regions; at least two cache regions are provided; when data don't exist in each cache region, the state is set to be an free state; the multimedia data are written in a selected cache region; whether the amount of the data written in the cache region exceeds a set full load value is judged, and a storage amount, larger than the full load value, of the cache region is selected; and if the amount of the data written in the cache region exceeds the set full load value, the state of the selected cache region is busy, data in the selected cache region are started and processed, and a next cache region is selected continuously and follow-up multimedia data are written in the cache region. According to the multimedia data receiving and processing method and device, the loss problem of received data in a data processing process is solved.

A safety support for a curtain comprises a supporting base having a receiving unit set at one side of the supporting base, and a supporting plate coupling to one side of the supporting base, wherein the supporting plate comprises a connecting unit which is coupled to the receiving unit of the supporting base, and an aperture. The safety support is constructed in such that when the external force exerted on the safety support of the curtain exceeds a pre-determined safety weight setting, the connecting unit of the supporting plate will disconnect immediately from the receiving unit of the supporting base so that the curtain will be detached from the supporting plate of the safety support so that the child is protected from suspension from the curtain.