33results about How to "Reduce communication errors" patented technology

A bicycle control system is basically provided with a first power supply, a plurality of electric drive devices and an operating apparatus. The electric drive devices are electrically coupled to the first power supply to receive electric power supplied from the first power supply. The operating apparatus wirelessly operates the electric drive devices by wireless signals.

The invention discloses a fault location and display method for automation equipment based on virtual reality technology, which includes a virtual connection of automation equipment, a fault location device and a visual display device. The device includes a real-time early warning device, a communication fault fast locator, a remote control failure locator, a remote signal jitter locator and a telemetry dead number locator, and the visual display device includes a control center display, a mobile intelligent terminal and a fault command vehicle. The invention realizes graphical display through the SCD virtual connection definer, predicts the state of the network or equipment through the fault location device, facilitates fault finding, makes remote control problems well-documented, and improves remote signal jitter and remote measurement dead number problem searching The efficiency of mobile smart terminals reduces communication errors, and the fault command vehicle improves the accuracy of reaching equipment fault points.

A service connection system and a method for a Bluetooth-enabled device for avoiding error caused by Hands-Free Profile (HFP) mismatch in a service level connection initialization procedure are provided. A service connection method for Bluetooth communication includes receiving, at a master device, a first command containing a first set of features supported in a slave device, extracting the first set of features from the first command, matching a second set of features with the first set of features, and transmitting a second command including the second set of features to the slave device.

A serial communication transceiver includes a trapezoidal wave signal generation circuit for producing a trapezoidal wave signal responsive to a control signal. The trapezoidal wave signal generation circuit decreases harmonic components in the trapezoidal wave signal and suppresses superimposed noise. The serial communication transceiver also includes a driver circuit for delivering the trapezoidal wave signal to a communication line and a receiver circuit for receiving the trapezoidal wave signal over the communication line. The receiver circuit includes a filter circuit that has a filtering time at the rise of a logically bi-leveled signal substantially equal to a filtering time at the fall of the logically bi-leveled signal.

A method of operating a near field communication (NFC) device includes receiving, by the NFC device, a first signal from an NFC reader, transmitting, by the NFC device, a response to the first signal to the NFC reader and changing selectively, by the NFC device, a radio frequency (RF) configuration parameter associated with signal transmission operation during a signal transmission interval, based on determining whether the NFC reader recognizes the response.

The invention discloses a device for simulating magnetic data transmission by a mobile phone. The device comprises the mobile phone, and a transmission module and a drive circuit mounted in the mobile phone. The transmission module comprises a magnetic material and an excitation circuit; the drive circuit is configured for receiving coding signals obtained by processing magnetic data stored in the mobile phone; the drive circuit generates an alternating magnetic field through the transmission module; the generated magnetic field signals are sensed by an external reading magnetic head, thus finishing reading the magnetic data. According to the method, the magnetic data can be transmitted and read securely and reliably only by placing the mobile phone at a position close to the magnetic head; the device has high compatibility with the existing magnetic data reading system; many cards in one machine can be realized; and the device can be applied in multiple aspects such as magnetic data management and storage conveniently.

The invention discloses a method, device and system for correcting communication information errors. All the method, device and system can be used for acquiring channel estimation quality information reflecting channel estimation quality, therefore, the channel estimation quality information can be used for carrying out error correction on downlink channel information to be sent and transmitting the downlink channel information subjected to the error correction. The error correction can be used for compensating communication errors caused by the problems of jamming and the like in a communication process, and therefore, by means of the method, the device and the system provided by the invention, the communication errors caused by communication jamming and other problems can be effectively decreased, and the communication quality can be effectively improved.

The present invention provides a method for reducing propagation errors in an optical communication system which includes an optical element and an optical transmission medium. In the present invention, a relative position of the optical element and an end face of the optical transmission medium, at which light emitted from the optical element is incident, is set to a (relative) position which is different from a relative position of the optical element and the end face of the optical transmission medium with which energy of light that is propagated is maximized. Then, light emitted from the optical element is propagated in multimode by the optical transmission medium.

A communication apparatus capable of selecting a proper source address even when a plurality of source addresses are assigned thereto and reducing the occurrence of a communication error caused by a source address change during communication processing. A transmission section transmits data. A transmission information management section manages transmission information including data identification information for identifying a type of data to be transmitted, and a destination address and source address of the data. A source address-determining section is operable when data to be transmitted is of a specific type, to refer to the managed transmission information, and out of the assigned source addresses, determine a source address used in the past for transmitting data to a destination address of the data to be transmitted, as a source address thereof. A communication control section causes the transmission section to transmits the data using the determined source address.

The present invention relates to setting more than one vehicle terminal antenna in such a manner that the direction of the received light beam around the base station of the roadside equipment installed at the highway toll station is the same as the direction of reception of the vehicle terminal, and the installation of the antenna having the best received power is specially installed. The invention relates to a room mirror device for a communication vehicle terminal. The present invention includes an indoor mirror housing portion attached to the vehicle through a bracket, and an antenna plateinstalled on the rear surface of the indoor mirror housing portion for arranging signals for transmitting and receiving signals to a roadside base station. A plurality of transceiving antennas are arranged; a button and an external activity input section are used to select an operation mode of the antenna; and an information processing module is provided inside the above-mentioned indoor mirror housing section and transmits and receives signals through the above-mentioned transceiving antenna and a roadside base station. The charging of the electronic toll collection system is performed, andthe above-mentioned information processing module selects the transmission and reception antennas with the largest received signal size among the plurality of transmission and reception antennas, andprocesses the charges using the selected transmission and reception antennas.

The present invention discloses a radiation structure naming standardization method, apparatus and device and a computer readable storage medium. The method comprises the steps of: receiving an inputoriginal structure file, and obtaining a first original structure name of the original structure file; performing signifying preprocessing of the first original structure name to generate at least onecharacter string; according to the at least one character string, generating a first regular expression; according to a trained standardization model, performing expression matching for the first regular expression; according to a second regular expression in the standardization model matching with the first regular expression and a structure word bank associated with the second regular expression, converting the first original structure file to a standard structure name, wherein the structure word bank is configured to store the standardization name of each tumour radiotherapy treatment structure; and outputting the standard structure file according to the standard structure name to avoid confusion caused by inconsistent and improper names.

The invention relates to a single-line serial half-duplex communication method with wide clock tolerance. The master sends a serial data frame to a slave during communication, and the slave receives and returns a serial data frame. When the data line is idle, the data line is in a high level, when the serial data frame is transmitted, the starting bit is a low level of the time length D, each databit comprises two parts of a continuous clock synchronization unit and a data representation unit, the clock synchronization unit is a high level of the time length A, and the data 0 and 1 in the data representation unit are low levels of the time length B and C, respectively. A clock synchronization unit and a data representation unit detect a start bit, detect a data bit, and detect a data representation unit after detecting a clock synchronization unit when the data bit is detected. This method can effectively avoid the communication error caused by the accumulated error in the continuoustransmission of multiple data bits in the communication process, and has a complete serial data frame initiation and verification mechanism.

The invention provides an intelligent mobile robot multi-vehicle cooperative control floating system and a control method thereof. The intelligent mobile robot multi-vehicle cooperative control floating system comprises a floating control module; the floating control module comprises a floating control unit and a floating adjusting device, and the floating control unit comprises a camera, an angleencoder and a limiting switch; the camera is used for collecting floating quantity deviation of the floating adjusting device in the x direction, the y direction and the z direction, the angle encoder and the limiting switch are used for collecting floating quantity information of the floating adjusting device and transmitting the information to an AGV motion controller, and the AGV motion controller is in signal connection with a navigation positioning module, a driving module and an alarm module. According to the multi-vehicle cooperative control floating system of the intelligent mobile robot and the control method of the multi-vehicle cooperative control floating system, system resource consumption can be reduced, communication errors can be reduced, cooperative control over multipleAGVs is more efficient and stable in operation, and the multi-vehicle cooperative control system plays a greater role in an intelligent factory.

The invention discloses a vector graph based construction method for a binary-decision-tree expert knowledge base. The method comprises the steps that a) an existed expert knowledge vector graph is selected from a computer via vector drawing software (1), or a blank vector graph is created in the vector drawing software; b) a binary-decision-tree vector graph (3) is drawn in the blank vector graph in the step a) via the vector drawing software (1) and a binary-decision-tree drawing module (2), or the expert knowledge vector graph in the step a) is modified to form a binary-decision-tree vector graph (3), and the drawing result is stored; and c) the binary-decision-tree vector graph (3) is analyzed by calling vector graph analysis software (4), and the vector graph analysis software (4) writes the analysis result into the expert knowledge base (5). The method of the invention improves the accuracy and efficiency in construction of the expert knowledge base, and reduces the difficulty in maintaining the expert knowledge base.

The invention discloses a control system and control method of a steering engine. The steering engine comprises a DC motor and a control system thereof. The control system includes a main control chip, a power supply circuit, a motor driving circuit, a position acquisition circuit and a host computer. The power supply circuit supplies power to the main control chip, the motor driving circuit and the position acquisition circuit. The main control chip is connected to the motor driving circuit and the position acquisition circuit. The position acquisition circuit is used for collecting a position of the steering engine and sending the signal to the main control chip. The host computer is in communication connection with the main control chip to send an operation instruction to the main control chip. The main control chip is used for calculating and outputting a PWM wave according to the position information of the steering engine and the operation instruction and sending the PWM wave to the motor driving circuit. The motor driving circuit is connected to the DC motor to control the DC motor according to the PWM wave to further control the movement of the steering engine. According to the control system and control method of a steering engine, a problem of a complex control mode is solved.

Provided are a digital broadcast receiving device and method. The digital broadcast receiving device includes: an out-of-band signal receiving unit configured to receive an out-of-band signal through a cable; an out-of-band signal transmission unit configured to transmit the out-of-band signal through the cable; and a control unit configured to A gain of the out-of-band signal of the out-of-band signal transmission unit is controlled according to a level change of the out-of-band signal received by the out-of-band signal receiving unit.

The invention provides a high-performance digital communication device. The high-performance digital communication device comprises a communication device casing, a casing upper cover, a cover opening hinge, an opening flange, a seal ring, a pair of communication main body mounting boards, a communication device main body, multiple circuit board mounting racks, multiple control circuit boards, a cover opening handle and multiple cooling through holes, wherein the opening flange is arranged on the inner wall of the communication device casing; one end of the casing upper cover is connected to one side of an open end of the communication device casing through the cover opening hinge; the seal ring is arranged on the opening flange; the pair of communication main body mounting boards and the multiple circuit board mounting racks are arranged on inner walls of two sides of the communication device casing; the communication device main body is mounted between the two communication main body mounting boards, and the control circuit boards are mounted between the circuit board mounting racks; the cover opening handle and the cooling through holes are arranged on the casing upper cover. The high-performance digital communication device can improve the communication efficiency, reduce communication interrupt and communication errors and meet communication requirement for large data volume.

The invention discloses a signal processing circuit, a non-contact connector, a signal processing method and a storage medium. One end of a cable of the signal processing circuit can be connected withequipment, and the other end is connected with a port processing unit and used for receiving signals sent by the equipment and / or sending signals to the equipment. One end of the port processing unitis connected with the cable, and the other end of the port processing unit is connected with a signal processing unit, and the port processing unit is used for acquiring a data communication transmission mode of a port of the equipment connected with the connector and performing interface configuration on the cable according to the data communication transmission mode. The signal processing unitis connected with a main coil or a secondary coil and is used for sending a signal sent by the equipment to the main coil and / or the secondary coil if the signal is received; and / or if a signal sent by the main coil and / or the secondary coil is received, sending the signal to the equipment according to the data communication transmission mode. According to the invention, the non-contact connectorcan adapt to different transmission protocols of the equipment port while long-distance wireless signal transmission is realized.

A method of operating a near field communication (NFC) device includes receiving, by the NFC device, a first signal from an NFC reader, transmitting, by the NFC device, a response to the first signal to the NFC reader and changing selectively, by the NFC device, a radio frequency (RF) configuration parameter associated with signal transmission operation during a signal transmission interval, based on determining whether the NFC reader recognizes the response.

The present invention relates to arranging one or more vehicle terminal antennas in such a manner that the receiving beam direction around a roadside equipment base station installed at a highway toll station is the same as the vehicle terminal receiving direction, and selecting the antenna with the best received power and installing a dedicated near-field antenna. The present invention provides an indoor mirror device for a vehicle terminal for distance communication. The present invention includes: an indoor mirror outer cover part, which is attached to the vehicle through a bracket; and an antenna board, which is installed on the rear surface of the indoor mirror outer cover part and is used to arrange signals for transmitting and receiving signals to roadside base stations. A plurality of transceiver antennas are arranged; a button and an external activity input part are used to select the operation mode of the antenna; and an information processing module is arranged inside the outer cover of the above-mentioned indoor mirror, and transmits and receives signals with the roadside base station through the above-mentioned transceiver antennas, and performs processing based on To process charges in the electronic toll collection system, the information processing module selects the transceiver antenna with the largest received signal size among the plurality of transceiver antennas, and uses the selected transceiver antenna to process charges.

The invention relates to a single-line serial half-duplex communication method with wide clock tolerance. The master sends a serial data frame to a slave during communication, and the slave receives and returns a serial data frame. When the data line is idle, the data line is in a high level, when the serial data frame is transmitted, the starting bit is a low level of the time length D, each databit comprises two parts of a continuous clock synchronization unit and a data representation unit, the clock synchronization unit is a high level of the time length A, and the data 0 and 1 in the data representation unit are low levels of the time length B and C, respectively. A clock synchronization unit and a data representation unit detect a start bit, detect a data bit, and detect a data representation unit after detecting a clock synchronization unit when the data bit is detected. This method can effectively avoid the communication error caused by the accumulated error in the continuoustransmission of multiple data bits in the communication process, and has a complete serial data frame initiation and verification mechanism.

The invention discloses an LMS management system of a detection mechanism. INCLUDING LMS MANAGEMENT SYSTEM, the LMS management system comprises a detection mechanism server, a manufacturer server, a buyer server and an LMS storage medium. Every two of the detection institution server, the manufacturer server and the buyer server can be communicated through an LMS management system, and the detection institution server, the manufacturer server and the buyer server are communicated with an LMS storage medium through the LMS management system. According to the LMS management system of the detection mechanism, requirements of customers in the LMS management system can be processed immediately without errors or delay, and all contacts (records) are stored in an LMS storage medium, so that communication errors are reduced; the LMS management system can effectively prevent fraudulent activities, ensure the quality of results and benefit all stakeholders; the automatic result can eliminate human errors, so that not only is the labor cost reduced, but also the certificate issuing sensitivity can be improved, and errors caused by transfer of records in manual calculation are avoided.

The invention relates to a rail dispatching system with a scan priority. The rail dispatching system comprises a server unit (1), a vehicle-mounted station (2), a fixed station (3) and a dispatching desk unit (4), wherein the server unit (1), the vehicle-mounted station (2) and the fixed station (3) are mutually connected by a bus; the server unit (1), the vehicle-mounted station (2) and the fixed station (3) are mutually connected wirelessly; and both of the vehicle-mounted station (2) and the fixed station (3) are provided with a wireless transceiver used for sending out a periodic scanning signal and receiving a calling signal. Compared with the prior art, the vehicle-mounted station and the fixed station of the invention can respectively transmit the periodic scanning signal to the server unit, periodically detect whether there is a calling signal from the dispatching desk unit, so as to timely respond to the call and joint a call group, give a high priority to an important call and can interrupt a low priority call; therefore, the rail dispatching system with the scan priority provided by the invention has the advantages of being quick in response, high in reliability and wide in applicability.

The present invention provides a high-reliability serial transmission processing method which is suitable for the programmable hardware and the device, which includes a receiving port, a receiving control module and a controlled receiving module, the receiving control module scans the prescribed number n of the receiving port in each receiving period and defines the interval between each scanningas one scanning period; judging whether the value of current receiving port has changed after the completion of each scanning; and the receiving module receives one bit information from the receivingport when the triggering signal of the receiving control module is received. The invention can settle the problem of wrongly receiving caused by the disaccording of the crystal vibration between the receiving and transmitting equipment; can settle the problem of wave distortion at the receiving end caused by the transmission medium and the transmission circuit and increases the reliability of thecommunication.

The invention relates to the technical field of loads, in particular to a data center test load which comprises a box body, the interior of the box body is divided into a power distribution area and a load area, a diesel generator control cabinet, a battery cabinet, an oil way cabinet, a weak current control cabinet and a fire control cabinet are placed in the power distribution area, a maintenance channel is arranged in the middle of the load area, and resistor units are arranged on the two sides of the maintenance channel respectively. A fan is arranged below the resistor unit, a wind scooper is arranged above the resistor unit, the wind scooper is embedded in the box body, and an outlet of the wind scooper is positioned at the top of the side wall of the box body and is provided with a shutter for guiding wind upwards. The diesel generator control cabinet and the weak current control cabinet of the load are integrated, connection and data communication between the load and the diesel generator are facilitated, communication errors between the load and the diesel generator are reduced, complex modules for wiring, connection and the like between the load and the diesel generator are simplified, and meanwhile cost is reduced. In order to meet the use of the load, the heat dissipation performance of the load is improved; a fire extinguishing system is added in the aspect of safety, and the overall stability of equipment is improved.

The invention discloses a radiotherapy structure standardized naming method, device, terminal equipment and computer-readable storage medium. The method includes: receiving an input original structure file, and obtaining the first original structure name of the original structure file; Perform symbolic preprocessing on an original structure name to generate at least one character string; generate a first regular expression according to the at least one character string; perform expression matching on the first regular expression according to the trained standardized model; The second regular expression in the standardized model matched by the first regular expression, and the structure lexicon associated with the second regular expression, convert the first original structure name into a standard structure name; the structure word The library is used to store the standardized naming of each tumor radiotherapy structure; the standard structure file is output according to the standard structure naming, so as to avoid confusion caused by inconsistency or inappropriate naming.

The present invention provides a high-reliability serial transmission processing method which is suitable for the programmable hardware and the device, which includes a receiving port, a receiving control module and a controlled receiving module, the receiving control module scans the prescribed number n of the receiving port in each receiving period and defines the interval between each scanning as one scanning period; judging whether the value of current receiving port has changed after the completion of each scanning; and the receiving module receives one bit information from the receiving port when the triggering signal of the receiving control module is received. The invention can settle the problem of wrongly receiving caused by the disaccording of the crystal vibration between the receiving and transmitting equipment; can settle the problem of wave distortion at the receiving end caused by the transmission medium and the transmission circuit and increases the reliability of the communication.

The present invention provides a method and device for automatically generating structured demand use cases. The method includes acquiring demand records; performing structural analysis on the demand records, and constructing a model corresponding to the demand records; outputting the required records according to the model. The structured requirement use case corresponding to the above requirement record. The present invention can express the requirements in a structured way through structural analysis, and the demand use cases obtained according to the structured analysis method described in the embodiments of the present invention can clearly express the specific content of the requirements and the original reason of the requirements, so that the product can be R&D personnel communicate in a logical and rigorous language, which greatly improves the efficiency of R&D.

The invention provides a data transmission communication method and system based on the Internet of Things, and the method comprises the steps: presetting a key value pair table which records a corresponding relation between a custom field and a communication data name; enabling the first Internet-of-Things equipment to generate a communication message according to the key value pair table and send the communication message to the second Internet-of-Things equipment, wherein the communication message comprises a packet header and a data packet, the packet header comprises a message category, and the data packet comprises communication data and a message serial number; enabling the second Internet-of-Things equipment to analyze the communication message according to the key value pair table; enabling the second Internet-of-Things equipment to generate a response message according to the analysis result and the key value pair table, and send the response message to the first Internet-of-Things equipment, wherein the message category in the packet header of the response message is response, and the message serial number in the data packet is consistent with the message serial number in the received communication message; enabling the message serial numbers in the communication messages to increase progressively according to the generation sequence of the communication messages. According to the invention, the docking work of the Internet-of-Things equipment can be unified, the docking complexity and the docking cost are reduced, and the docking efficiency is improved.