1113 results about "Transponder" patented technology

The invention belongs to the technical field of rail transit, and provides a method for automatic marshalling in a multi-train station, which comprises the following steps of: acquiring position information of a group planned following train and driving permission information of the group planned following train; acquiring the running distance of the group planning train based on the nearest relevant transponder group in the group planning following train position information; according to the driving permission information of the group plan following vehicle and the position information of the group plan following vehicle, consistency safety verification is carried out on the running distance; and if the consistency safety verification is successful, group auxiliary positioning information is set and sent to the group planning train for transponder link information updating and distance checking, and automatic marshalling is completed. According to the method, the departure efficiency is improved, and the method has good universality for stations with different complexities.

According to the novel transponder and the Beidou short message-combined realization function and application method and system, multiple functions are realized by utilizing multiple combinations of ground and vehicle-mounted transponder system equipment, the novel transponder can be applied to multiple scenes, the equipment types can be simplified, the construction cost can be reduced, and the maintenance workload can be reduced; beidou positioning and short message functions, positioning and communication of wireless communication and the like are used as supplements to perfect train operation control and other functions, and the transportation efficiency and safety are improved.

The invention relates to the technical field of underwater acoustic navigation, and provides an underwater acoustic navigation method and system, a medium, equipment and a computer program. The underwater acoustic navigation method comprises the following steps: calculating a sound ray total displacement value by adopting a sound ray tracking algorithm based on underwater carrier position information, transponder position information, and one-way propagation time and a sound velocity profile of a signal between an underwater carrier and a transponder; constructing an acoustic navigation observation model based on the underwater carrier position information, the transponder position information, the total displacement value of the sound rays, and depth and elevation anomalies at the underwater carrier; defining a weighting function according to the one-way propagation time and the dynamic value of the signal between the underwater carrier and the transponder; and solving the acoustic navigation observation model and the weighting function to obtain position information and speed information of the underwater carrier for acoustic navigation. According to the method, the navigation algorithm can be optimized from the two aspects of the acoustic navigation observation model and the weighting function, and the accuracy of acoustic navigation is greatly improved.

The invention discloses a convergence method and device for a train safety envelope, and relates to the technical field of railway train driving. According to the scheme, for a train running on a railway line, an RBC can receive a train position report from a vehicle-mounted ATP according to a preset time period through train-ground wireless communication equipment and vehicle-mounted interaction, and after an interlocking device handles a route for the train and the train drives into the route, the RBC sends the train position report to the vehicle-mounted ATP, and the RBC receives the train position report from the vehicle-mounted ATP according to the preset time period. According to the data information in the train position report fed back at the moment, the last relevant transponder group of the train path can be determined, so that the train envelope is calculated according to the train position report and the rail section position determined by the last relevant transponder group, and the train path is determined. The train envelope on the railway line correspondingly occupies a certain number of track sections, so that the track section which is currently in an unlocking state is determined from the track sections according to section unlocking state information fed back by interlocking equipment, and the track section is used for converging the train envelope.

The invention discloses a railway LEU-transponder transmission system lightning stroke fault risk assessment method, and the method comprises the steps: determining a lightning current invasion path through building a lightning stroke transient electromagnetic disturbance calculation model of an electromagnetic sensitive equipment port, and calculating the voltage and current at the port when incoming waves invade. And building an electromagnetic sensitivity test experiment platform of the railway signal system based on the lightning current invasion path and the voltage and current at the port. And performing label category prediction on the to-be-predicted sample point through each support vector machine model in the target model set, and voting each prediction result. According to the invention, a complex transmission relation between lightning transient electromagnetic disturbance and equipment failure risk is established through deep learning. The fault risk of the signal system under the lightning transient electromagnetic disturbance action is predicted through transient electromagnetic effect experimental data of real equipment of the railway signal system, and powerful support is provided for improving the electromagnetic sensitivity of the signal system and guaranteeing stable operation of a railway.

Disclosed in the present invention are a backup system, and a train control system and an application method thereof. The backup system comprises: a lineside electronic unit, which communicates with a TIS or a station computer-based interlocking device to obtain a signal state and turnout position information; and an active balise connected to the lineside electronic unit and an onboard device, respectively; wherein the lineside electronic unit determines sent movement authority information and line data information on the basis of the obtained signal state and turnout position information; when a train passes through the position where the active balise is located, the active balise sends the obtained movement authority information and line data information to the onboard device; and when entering an enhanced backup mode, the onboard device in the train control system calculates a speed-distance control curve on the basis of the movement authority information and the line data information obtained from the active balise, so as to perform train operation supervision and protection. According to the prevent invention, when train-ground wireless communication is interrupted and a train control system is degraded to a backup mode, a train is allowed to enter a station at a higher speed.

The invention provides a train upgrading control method and device under an enhanced interlocking operation level, and is applied to the technical field of rail transit. The method comprises the following steps: sending message information to a computer interlock within an authorization application distance, wherein the message information comprises train position information; if the train automatic protection system detects a target transponder with an upgrading attribute and signal machine state information in message information returned by computer interlocking is an allowing signal, an enhanced interlocking mode BM upgrading process is entered; wherein the target transponder is located at a preset position in front of the annunciator, and the preset position is obtained through calculation according to train-ground communication delay information and the train speed.

The embodiment of the invention provides an unmanned aerial vehicle positioning method and device, computing equipment, a storage medium and a program product, and the method comprises the steps: carrying out the positioning based on the collected current motion state information and / or environment information, and determining the current reference position of an unmanned aerial vehicle; under the condition that the transponder receiving device receives a signal of a target transponder, the time point of passing through the target transponder and the target position of the target transponder are determined, and the target transponder is any one of trackside transponders laid along a track in the track traffic system; and correcting the current reference position based on the time point of passing through the target transponder and the target position of the target transponder to obtain the target position information of the unmanned aerial vehicle. By combining the motion state of the unmanned aerial vehicle, the environment information and the accurate position of the trackside transponder, the position information of the unmanned aerial vehicle is corrected in real time, the positioning precision and reliability are improved, and the method is particularly suitable for the rail transit tunnel environment where positioning signals are unavailable.

An ostomy appliance includes a substrate and at least one Radio Frequency Identification (RFID) circuit disposed on the substrate. The RFID circuit includes a RFID transponder having an antenna and a conductive ink connected in series with the antenna and the RFID transponder. The conductive ink is configured to dissolve in response to exposure to moisture. The RFID circuit is in a closed condition when the conductive ink extends continuously between the RFID transponder and the antenna. The RFID circuit is in an open condition when at least a portion of the conductive ink is dissolved.

A respiratory therapy apparatus is operable to deliver multiple types of therapy to a patient. The apparatus includes a main housing and a nebulizer tray that selectively attaches to a bottom of the main housing. The apparatus also includes a filter housing unit having an antenna surrounding a pneumatic passage and a transponder chip coupled to the antenna. The main housing has also has an antenna that surrounds a respective pneumatic passage of a main outlet port of the apparatus. The main housing includes a reader that controls communication between the antennae. The main housing of the apparatus also has a pivotable hose support plate, a firmware upgrade port underneath part of the top wall of the housing, and a graphical user interface (GUI) that displays various user inputs for control of the apparatus and that displays various alert conditions that are detected.

An RFID-enabled metal face transaction card may comprise a thin front face metal layer (ML 1) with a “P1” module opening (MO) and a micro-slit (SI), and a thick metal layer (ML2) with “P2” module opening and a narrow slit. The metal layer (ML 1) may be color printed or coated, and have its surface protected by a laser-reactive diamond coat. The two metal layers may be separated by a PEN dielectric with a thermosetting epoxy on both sides which has been cured to an irreversible state (C-stage). The “P2” module opening in the metal layer (ML2) may have a shape and geometry which matches the shape and geometry of the module antenna (MA) of a transponder chip module (TCM). The shape of the “P1” and “P2” openings may be polygonal in form. The “P1” module opening in the metal layer (ML1) may have an alignment feature (GP) for ensuring correct alignment of the transponder chip module, when it is inserted into the openings.

The invention relates to the technical field of railway communication, and provides a train message information transmission method and system, and the method comprises the steps: constructing an electronic map, and storing the ID, type and position information of each transponder on a railway; when the train is powered on for the first time, the initial position of the train is obtained, transponder IDs on the two sides of the train are determined in the electronic map according to the initial position, the ID of the next transponder is selected according to the running direction of the train, and the type of the transponder is obtained; when the train runs, the ID of the passing transponder is recorded in real time, and the type of the next transponder is predicted according to the ID of the recently passing transponder; and adjusting a receiving mode of a train transponder receiving module according to the predicted transponder type, and adaptively receiving message information sent by the next transponder. According to the invention, the train control system does not need to add sidelobe management and transponder suppression functions, and can meet the communication requirements of two transponders.

The invention belongs to the technical field of rail transit automatic driving, and particularly relates to a shunting locomotive ATO high-precision alignment parking control system and method. The control system comprises a fusion positioning module, a laser ranging module, a speed control module and a distance compensation module. The fusion positioning module carries out high-precision fusion positioning according to the precise longitude and latitude, the line transponder position information, the real-time speed and the wheel cycle pulse number, and provides precise position information for the speed control module in combination with an electronic map; the laser ranging module receives a laser ranging distance on a coupled and propelled molten iron tank car or a railway wagon in real time through vehicle-to-vehicle communication; the speed control module calls a speed control algorithm to perform traction and brake control on the locomotive according to the accurate position information provided by the fusion positioning module and the distance information provided by the laser ranging module; and the distance compensation module realizes distance fine adjustment after accurate parking. The invention provides a shunting locomotive ATO high-precision alignment parking control system and method.

An RFID transponder including a Bluetooth® compatible transceiver (BLEET) is described. The Bluetooth® compatible transceiver may be configured to set data that is transmitted via one or more RFID transceivers in the transponder and to return data received by the RFID transceiver(s) to a client application running, for example, on a user's smart phone. The BLEET may be used for electronic vehicle tracking or tolling. Vehicle occupancy data may be set by the user with the client application via a Bluetooth® connection in connection with high occupancy vehicle tolling and express lane incentive programs. The BLEET may be used in a congestion pricing (CP) toll area, wherein the smart phone determines a toll rate based on the location, when triggered by the BLEET, that the BLEET was read by an RFID reader located on a boundary of the CP toll area.

The invention discloses an underway real-time GNSS acoustic underwater positioning method, which belongs to the technical field of underwater positioning, is used for acoustic underwater positioning, and comprises the following steps: constructing an extended Kalman filtering solution model, constructing a constraint equation by taking coordinate prior information of a seabed transponder as a constraint, and solving an initial state parameter and an initial covariance matrix; and processing ill-conditioned problems in the initial state parameter and initial covariance matrix solving process by adopting a Tikhonov regularization method, substituting the initial state parameter and an initial covariance matrix value into an extended Kalman filtering solution model, and carrying out real-time GNSS acoustic underwater positioning on the submarine transponder. The real-time positioning method for the GNSS-acoustic seabed transponder solves the possible ill-conditioned problem in the solving process, has good performance of short convergence time and high precision, can improve the real-time positioning efficiency of the GNSS-acoustic seabed transponder, and is expected to provide powerful technical support for seabed plate movement, geological disasters, disaster early warning and seabed geodetic datum updating.

Methods and systems for fiber identification include emitting a pump pulse on a fiber using a transponder. A Brillouin gain spectrum of reflected radiation from the pump pulse is measured using the transponder. A fiber type is determined corresponding to the Brillouin gain spectrum.

The invention provides a train positioning method based on an ultra wide band enhanced Beidou and a virtual transponder. The method comprises the following steps: establishing a virtual transponder basic database and an ultra-wideband equipment basic database according to collected data of a target track line; establishing a positioning observation quality basic database according to the Beidou positioning observation quality of the target track line, and compiling an ultra-wideband / Beidou combined positioning strategy set; in the train operation process, a positioning strategy is dynamically selected according to Beidou signal real-time observation conditions, the three-dimensional space position of current operation of the train is calculated, an ultra-wideband positioning calculation data source of the train is obtained, and traveled distance information of the train at the next moment is calculated. And determining the travelled distance of the train in the next positioning calculation period and the pre-capture triggering moment, and sending position correction information at the capture moment of the nearest target virtual transponder to be captured. According to the method, the ultra-wideband technology and Beidou positioning are combined, and the capturing precision and stability of the virtual transponder in a complex environment are effectively improved.

The invention provides a GEO communication satellite uplink signal Doppler frequency compensation method and device. The method comprises the following steps: acquiring a satellite orbit determination result corresponding to a GEO communication satellite; determining a Doppler compensation frequency curve according to the satellite orbit measurement result and the local frequency of the frequency conversion of a satellite transponder configured in the GEO communication satellite; and compensating a first uplink signal to be transmitted from the ground station to the GEO communication satellite by using the Doppler compensation frequency curve through the compensation frequency mixer, and transmitting the compensated first uplink signal to the GEO communication satellite. According to the invention, under the condition that the user receiver is non-inductive, the carrier frequency and the spreading code rate of the user receiver are changed in equal proportion, so that the user receiver can adopt a receiving algorithm of the carrier-assisted spreading code rate to improve the sensitivity.

The invention relates to the technical field of rail traffic, in particular to a virtual coupling station track departure scene marshalling method, device and equipment and a medium. After each train in the virtual coupling group train crosses the transponder group, periodically sending a message packet 1 containing train distance information to the ground equipment; after the front train of the virtual coupling group train leaves the station, the front train receives a message packet 2 which is sent by the ground equipment and contains the converted distance information; wherein the converted distance information and the train distance information of the next train are based on the same reference object; and the front vehicle sends the converted distance information to the rear vehicle, and throat area grouping is completed. Through a train-ground-train communication mode, the ground equipment converts the position of the rear train into the position which can be identified by the front train and forwards the position to the front train, so that marshalling of the two trains is accelerated. Marshalling can be carried out in advance in the throat area, after marshalling succeeds, the rear vehicle can be controlled according to the driving permission of the following vehicle, and the running speed and the running efficiency are improved.

A radio frequency (RF) voltage limiter for a radio frequency identification (RFID) transponder is provided. The RF voltage limiter includes an envelope detector configured to track an envelope of a signal received at the antenna. The envelope detector has an output for providing an envelope signal. A peak detector is included and has an input coupled to the output of the envelope detector. The peak detector includes a current mirror having an input coupled to the output of the envelope detector, and an output configured to provide a control signal. A shunt circuit is coupled to provide an impedance to the antenna in response to the control signal. The impedance decreases with an increasing voltage of the control signal to limit a maximum voltage at the antenna. In another embodiment, a method is provided for limiting a RF voltage at the antenna.

The invention relates to a method for determining a position of a rail vehicle, moving on a track, by means of an optical measuring system comprising a stereo camera system and an evaluation device, wherein by means of the stereo camera system an image pair is recorded from a reference point in a lateral environment of the track and wherein by means of photogrammetry the position of the rail vehicle is determined in relation to the reference point. The position of the rail vehicle is additionally detected by means of a radio-based measuring system for real-time locating by means of anchor modules attached to the rail vehicle and by means of transponders attached to several reference points, wherein position data of the two measuring systems are compared by means of a central system unit. In this way, two independent measuring systems are used to generate position data.

The present invention provides a digital full-bandwidth direct-forwarding radar transponder system and its working method, which proposes a brand-new radar transponder system architecture and a corresponding new Morse code recognition scheme. The system of the present invention adopts a direct-forwarding system architecture, which combines digital broadband DRFM real-time forwarding technology and a line-replacing-by-point coding response architecture. The transmitting and receiving antennas are independent and work simultaneously, directly and indiscriminately encoding and forwarding all radar interrogation signals within the working frequency band, achieving Morse coding of the response information while retaining the complete waveform information. The system of the present invention can be equivalent to a target with special target characteristics. When the radar signals within the working frequency band irradiate this target, echo signals with specified Morse code modulation characteristics will be generated.

The disclosure relates to a bell plate for a rotary atomizer for applying a coating agent (e.g. paint) to a component (e.g. motor vehicle body component). The bell plate according to the disclosure comprises a metallic base body and a transponder which can be read out wirelessly and is integrated in the bell plate. The disclosure provides that the transponder is arranged on the front side in the base body or is embedded in the outer outer circumferential surface of the bell plate, which facilitates the read-out of the transponder. Furthermore, the disclosure comprises a suitably adapted atomizer cleaning device having an antenna for reading out the transponder in the bell plate. Finally, the disclosure also comprises a correspondingly adapted operating method.

The present invention relates to a detection assembly (102) for detecting passing sports timing transponders (14) in a sports event, comprising: an antenna (106) and a calculation unit (104) connected to the antenna; and a channel element (22) for positioning the antenna and the calculation unit on an underlying surface and for protecting the antenna and the calculation unit from external forces, wherein said channel element is connectable to a preceding channel element (108) and a following channel element (110) to form a line; said calculation unit is connectable to a first neighboring calculation unit (112) via a first cable (114) extending into the preceding channel element and to a second neighboring calculation unit (116) via a second cable (118) extending into the following channel element; and said calculation unit includes a voltage detection circuitry (124) for detecting whether power is provided to the calculation unit via the first cable or via the second cable. The present invention further relates to a floor cable channel (20) and a race timing system (16).

The invention provides a pet loss real-time judgment method and device, and the method comprises the following steps: 1, a GPS unit of a main controller monitors and records the motion track of a pet in real time, and calculates the motion distance; step 2, the signal transmitting / receiving unit of the master controller simultaneously transmits a signal to the plurality of transponders, and the transponders reply a successfully received instruction to the master controller; 3, calculating the time of transmitting the signal and the time of replying the instruction, and respectively calculating the distances between the main controller and the plurality of transponders according to the time length to form distance data; 4, according to the multiple sets of distance data in the unit time, the motion posture of the pet in the unit time is calculated; and step 5, judging whether the pet is lost or not according to the motion posture of the pet in combination with the motion distance and the motion trail of the pet, and giving an alarm if the pet is judged to be lost. The system has the advantages that whether the pet is lost or stolen is judged, warning information is sent in time in an early warning mode, and a way for finding the pet can be provided.

The invention discloses a train multi-source information fusion positioning method based on 5G positioning, which fuses multi-source data information such as 5G positioning information, satellite positioning information, speed sensor information, transponder information and the like, and provides more reliable train position and speed information through redundancy complementation of the multi-source data information. The defect that positioning depends on satellite positioning and is greatly influenced by terrains and environments is overcome, and the problems that in the prior art, in the environments where satellite signals are shielded in tunnels, valleys and the like, satellite positioning fails, a system only uses a wheel axle speed sensor for speed measurement and distance measurement, and errors are large are solved.

The present invention is applicable to the technical field of rail transit. Provided are a movement authority calculation method and apparatus, and an electronic device, which can improve the reliability and efficiency of train operation. The method comprises: before a train leaves a station, an on-board ATP receiving and storing, in advance, all pieces of line data of a section that the train is about to travel, and when the train travels to the section and passes a first balise, updating active line data on the basis of the stored line data corresponding to the first balise, so as to calculate the movement authority of the train, without the need for updating the active line data after receiving line data sent by the first balise. Further provided in the present invention are another movement authority calculation method and blocked section determination method.

The invention relates to the technical field of rail transit, and provides a train protection method and device, electronic equipment, a storage medium and a computer product.The method comprises the steps that after a train-mounted transponder transmission module based on a train activation end obtains transponder data, if it is determined that the train-mounted transponder transmission module of the activation end is not abnormal, the train is protected; acquiring motion state information of the activation end; the activation end is one of the head and tail ends of the train; if it is determined that the motion state information of the activation end is abnormal, obtaining motion state information collected by an opposite end of the activation end; and if the motion state information acquired by the opposite end is not abnormal, determining train envelope information of the train based on the motion state information acquired by the opposite end and transponder data acquired by the vehicle-mounted transponder transmission module based on the activation end. According to the method and the device, the train envelope information can be determined to perform train protection only by transmitting the collected original data between the two ends of the train, so that the interaction redundancy phenomenon is effectively reduced, and the system complexity is reduced.

The invention provides a method for testing a phased array compact range of a high-orbit communication satellite. The method comprises the following steps: unfolding and fixing a whole satellite antenna on the ground; confirming that a test coupler is installed and a cable is connected normally; uploading software to a phased array antenna and confirming that the function is normal; setting a phased array transponder path, switching on the change-over switch, and opening the active single machine and the phased array on the path; after the phased array is preheated through telemetering, system-level testing is carried out, wherein at least one performance parameter such as noise spectrum and equivalent omnidirectional radiation power and functions such as program control pointing and beam hopping are tested; program control pointing function verification is performed according to wave beam program control preset pointing, and the DUT turntable is matched to verify the precision; hopping beam function verification jumps according to a preset time slot, and a Zero Span mode of a frequency spectrograph analyzes a time domain characteristic verification time sequence; and switching the phased array to standby after verification, shutting down after telemetering is normal, and recovering the on-satellite state. In this way, it can be ensured that the integration performance of the phased-array antenna and the transponder system meets the design requirement through quantitative analysis.

The invention relates to a smartcard (SC; 400G) comprising a card body (CB, 402) comprising a metal layer and an opening in the metal layer for receiving a transponder chip module (TCM, 410). A slit (S, 430) is included in the metal layer, extending from the opening to a periphery of the metal layer, whereby the metal layer forms an open-loop coupling frame (CF, CF1, CF2) having two ends.