55 results about "Active cable" patented technology

The invention provides a photoelectric connector applied to a vehicle, an assembling method of the photoelectric connector and an active cable. The photoelectric connector comprises a shell; the photoelectric conversion module is arranged in the accommodating cavity of the shell; the electric connecting piece is partially arranged in the accommodating cavity of the shell and is connected with the photoelectric conversion module; the optical connecting piece is partially arranged in the accommodating cavity of the shell and is connected with the photoelectric conversion module; and the cured pouring sealant is filled in the accommodating cavity of the shell and covers the parts of the photoelectric conversion module, the electric connecting piece and the optical connecting piece in the accommodating cavity of the shell. The photoelectric connector can ensure that an active cable can be applied to an automatic driving vehicle, and low-delay, large-bandwidth and high-reliability video data transmission between a camera and a vehicle electronic system is realized.

The invention relates to the field of radio telescope structure analysis, and discloses a FAST telescope active cable net reflecting surface satellite-facing tracking analysis method, which comprises the following steps: step 1, establishing a dynamic relaxation method numerical model of a FAST cable net reflecting surface structure; 2, setting a precision limit value of the reflecting surface of the telescope, model parameters and convergence conditions; 3, identifying a main cable node in an irradiation range; 4, calculating the radial distance from the main cable point to the working paraboloid; 5, forced displacement is applied to the lower end point of the lower inhaul cable; step 6, carrying out iterative calculation to obtain an equilibrium state model; 7, repeating the steps 3-6 until all the main cable nodes and the working paraboloid meet the precision limit value requirement of the reflecting surface of the telescope; and 8, repeating the previous steps, and carrying out tracking analysis. According to the method, the dynamic relaxation method is innovatively adopted for satellite tracking analysis, and the problems that when a traditional finite element method is used for complex structure analysis, a stiffness matrix is singular, and iteration is not convergent are solved.

The present disclosure discloses an equalizer and an equalizer compensation parameter search method for an active cable, the equalizer for obtaining compensation parameters to improve signal transmission, comprising: a candidate low frequency gain compensation parameter determination unit for determining candidate low frequency gain compensation parameters; the reference voltage determining unit is used for determining high-speed signal reference voltage under the candidate low-frequency gain compensation parameters; the candidate high-frequency gain compensation parameter determining unit is used for determining candidate high-frequency gain compensation parameters matched with the candidate low-frequency gain compensation parameters under the high-speed signal reference voltage, and the target gain compensation parameter determining unit is used for determining the target high-frequency gain compensation parameters according to the candidate low-frequency gain compensation parameters and the candidate high-frequency gain compensation parameters matched with the candidate low-frequency gain compensation parameters. And determining a target low-frequency gain compensation parameter and a target high-frequency gain compensation parameter matched with the target low-frequency gain compensation parameter. According to the scheme, the compensation range can be increased, and the problem that communication requirements cannot be met only by adjusting high-frequency gain parameters is avoided.

The invention relates to the technical field of active cables, in particular to an active cable made of black phosphorus-graphene oxide. The active cable is provided with a plurality of electrical cores, each electrical core comprises a pair of parallel wire assemblies, an outer shielding layer is arranged on the outer side of each wire assembly, and a wire pair shielding layer and a sheath layer are sequentially arranged on the outer side of each outer shielding layer in a sleeving mode; the wire assembly comprises an inner conductor and an inner shielding layer which are coaxially arranged, and the inner shielding layer wraps the outer side of the inner conductor; the inner surface of the outer shielding layer and the outer surface of the inner shielding layer form a cavity, and the cavity is filled with an insulating layer. The inner shielding layer is a black phosphorus-graphene oxide film inner shielding layer. According to the active cable, the inner shielding layer made of black phosphorus-graphene oxide is arranged outside the inner conductor, so that the active cable has the advantages of long-distance transmission, high temperature resistance, good mechanical performance and the like.

The invention discloses a movable automobile charging pile, and relates to the technical field of automobile charging piles, the movable automobile charging pile comprises a storage box, the storage box is fixedly connected to a pile body, the interior of the storage box is rotatably connected with a rotating shaft, the rotating shaft is fixedly sleeved with a rotating cylinder, a cable is wound on the rotating cylinder, one end of the cable penetrates through a wire outlet pipe to be connected to a charging gun, and the wire outlet pipe is fixed to the storage box; the bayonet is fixedly connected to the pile body and used for clamping and fixing the charging gun; and the length locking mechanism is connected to the rotating shaft and is used for locking the rotation of the rotating shaft after the user pulls out the cable so as to maintain the current length of the cable. A plurality of cable length locking mechanisms are provided, mechanical locking does not need electric power, electric locking supports accurate control, different application scenes and user requirements are met, an electric driving scheme is combined with an active cable arranging mechanism, automatic and neat cable recycling is achieved, and the durability of a product and the user experience are improved.

The invention belongs to the technical field of active cables, and particularly relates to an active cable made of indium tin oxide, an inner shielding layer preparation device and a preparation method thereof.The active cable comprises an inner conductor, inner shielding layers, an insulating layer, an outer shielding layer set and a sheath layer, the inner conductor comprises two wires arranged in parallel, each wire is sleeved with one inner shielding layer, and the insulating layer is arranged in the outer shielding layer set; the inner shielding layers are made of indium tin oxide, the insulating layer is arranged outside the two inner shielding layers in a sleeving mode, and the insulating layer is sequentially wrapped with the outer shielding layer set and the sheath layer outwards. The electric field of the active cable in the transmission process is enhanced through the indium tin oxide of the inner shielding layers, and therefore the effective transmission distance of the active cable is increased; meanwhile, by means of the excellent heat insulation property of the micron-sized indium tin oxide film, it can be guaranteed that the use performance of the active cable can be stably guaranteed at the extreme temperature, the vacuum evaporation method is used, the film forming method is simple, the purity and compactness of the film are high, the film structure and performance are unique, and the processing method can be used for large-scale production.

The present invention relates to the field of radio telescope structure analysis, and discloses a method for tracking and analyzing the star of the active cable net reflector of the FAST telescope, comprising: step 1: establishing a dynamic relaxation method numerical model of the FAST cable net reflector structure; step 2: setting the accuracy limit of the telescope reflector, model parameters, and convergence conditions; step 3: identifying the main cable nodes within the irradiation range; step 4: calculating the radial distance from the main cable point to the working parabola; step 5: applying forced displacement to the lower end point of the lower cable; step 6: performing iterative calculation to obtain an equilibrium state model; step 7: repeating steps 3 to 6 until all main cable nodes to the working parabola meet the accuracy limit requirements of the telescope reflector; step 8: repeating the previous steps for tracking and analysis. The present invention innovatively adopts the dynamic relaxation method to perform star tracking and analysis, avoiding the problems of singular stiffness matrix and non-convergence of iteration when performing complex structure analysis using the traditional finite element method.

A method of managing electric vehicle (EV) supply equipment that includes detecting a plurality of EVs are electrically connected to EV supply equipment via electrical cables that communicate electrical current from a grid to vehicle batteries on the EVs through the EV supply equipment: assigning a queue value to each EV based on the order in which the EV electrically connected to the EV supply equipment: determining that the quantity of EVs electrically connected to the EV supply equipment exceeds a maximum number of EVs the EV supply equipment can charge at once; and selecting the electrically connected EVs to charge via active cables based on queue values while the remaining electrically connected EVs wait for charging via queued cables.

The present invention discloses a method and device for generating movement control signals for a tensegrity robot, belonging to the field of robot control technology. The method comprises: selecting a portion of the cables of the tensegrity robot as active cables and the remaining portion as passive cables; inputting the initial values ​​of the gait variables of the active cables into an optimization algorithm for iteration to obtain updated values ​​of the gait variables of the active cables, and then inputting the updated values ​​of the gait variables of the active cables into the optimization algorithm for repeated iteration until a specified number of iterations is reached; fine-tuning and optimizing the gait variables through multiple rounds of iteration; calculating the active cable update control signals and their evaluation parameters corresponding to the updated values ​​of the gait variables of the active cables in each round of iteration to determine the active cable target control signals; the gait variables determined in this way and the corresponding active cable target control signals are used to control the active cables and drive the passive cables to perform gait movements, thereby accurately controlling the rapid walking movement of the tensegrity robot.

The present invention discloses a method for processing and reading the Cable ID of an HDMI active cable and related products. The method includes using an I2C device to monitor the HDMI-SCL signal line and HDMI-SDA signal line of the HDMI active cable, wherein the clock pin of the I2C device is connected to the HDMI-SCL signal line, and the data pin of the I2C device can be set to be connected to the HDMI-SDA signal line or left floating. The I2C device responds to the I2C read and write operations of the source device through the HDMI-SCL signal line and the HDMI-SDA signal line. In response to detecting the slave address or I2C data output by the source device on the HDMI-SDA signal line, the data pin of the I2C device is set to be floating, so that the I2C ACK signal generated by the I2C device based on the data output by the source device is not output to the HDMI-SDA signal line. In response to detecting the I2C ACK signal output by the slave device based on the data output by the source device, the data pin of the I2C device is connected to the HDMI-SDA signal line to enable data exchange between the I2C device and the HDMI-SDA signal line. This solution uses standard I2C devices to monitor I2C data and respond to I2C read operations without responding to I2C addresses.

The invention provides a method for a relay assembly supporting firmware update to execute a PD E-marker function, an electronic device and an active cable, and relates to the technical field of communication, the relay assembly comprises a serial communication device and a processor, and the method comprises the steps that in response to power-on, the processor completes loading of a first sub-firmware within tVconnStable time; the processor executes the first sub-firmware so as to realize a PD E-marker function by using the serial communication equipment, the processor executes the second sub-firmware, and the second sub-firmware is used for loading the second firmware; the processor executes the second firmware. According to the method, the operation firmware of the relay assembly is subjected to functional splitting, only the first sub-firmware related to the function of returning the cable information in response to the USB PD command is loaded in the tVconnStable time, the size of the firmware loaded in the tVconnStable time is shortened, and after the eMarker chip is powered on, the cable can quickly return the cable information based on a PD related protocol.

The low-power-consumption module is applied to a Type-C active cable and the active cable thereof, the low-power-consumption module is provided with a register control module comprising a function register and a mirror image register, the function register is used for storing parameters of a high-speed signal processing module, the mirror image register is a low-power-consumption current mirror latch, and the function register is used for storing parameters of the high-speed signal processing module in response to entering a low-power-consumption mode. The parameters are latched to a mirror image register, and other circuits are closed; in response to the situation that the low-power-consumption module needs to be awakened, the high-speed signal processing module and the function register are started, and the parameters stored in the mirror image register are mapped to the function register, so that the high-speed signal processing module recovers parameter configuration before dormancy. According to the invention, all configuration information of the high-speed channel can be completely stored only by consuming microampere-level current in a sleep period, a working state before sleep can be recovered within microseconds through a hardware-level register rapid mapping mechanism, and multiple wake-up detection of sideband signals, LFPS signals and data transmission is supported.

A system may include a first link including a first digital signal processor (DSP), a first optical receiver, and a first optical transmitter. The system may include a second link including a second DSP, a second optical receiver, and a second optical transmitter. The second DSP may be coupled to the first DSP using one or more of an active electrical cable or an active optical cable. The second DSP may communicate with the first DSP using one or more forward error correction (FEC) padding bits or one or more reserved bits.

The invention provides a method for a relay component to execute a PD E-marker function, an information processing device and an active cable, and relates to the technical field of communication, the relay component comprises a serial communication device and a processor, and the method comprises the following steps: in response to power-on, the processor completes loading of first firmware within tVconnStable time; the processor executes the first firmware to implement a PD E-marker function by using the serial communication device, the PD E-marker function comprising: returning cable information in response to a first USB PD command; the processor loads the second firmware and executes the second firmware. According to the method, the operation firmware of the relay assembly is subjected to functional splitting, only the first firmware related to the function of returning the cable information in response to the USB PD command is loaded in the tVconnStable time, the size of the firmware loaded in the tVconnStable time is shortened, and the purpose that the relay assembly with the eMarker function can quickly return the cable information based on the USB PD protocol after being powered on is achieved.

Implementations for propagating data errors through encrypted interconnects without causing false authentication failures. A device in a UALink-based network detects a data error indicator on a data beat of a transaction and excludes the data beat from encryption and authentication tag computation by a port encryption engine. Bytes and byte enables of the data beat are replaced with a predetermined value, and the data beat is replaced with error indication messages in an outbound flit stream. At a receiving device, a transaction layer detects the error indication messages, asserts a data error indicator for the corresponding data beat, and a decryption engine excludes the data beat from decryption and authentication tag verification. The authentication tag verification succeeds for non-poisoned data beats despite the presence of poisoned beats. Implementations may apply to accelerators, switches, integrated circuits, active cables, and collective operations in the UALink-based network.

The invention discloses an optical fiber coupling device, an optical module and an active cable. The optical fiber coupling device comprises an optical assembly which comprises a first block body, a photoelectric conversion accommodating space arranged at the bottom of the front end of the first block body, and a plurality of optical fiber counter bores which are arranged at the rear end of the first block body and extend towards the front end of the first block body, the reflecting surface is arranged on the first block body and is used for implementing light propagation between the optical fiber counter bore and the photoelectric conversion accommodating space; and the jumper comprises a second block body and a plurality of optical fiber through holes which are formed in the second block body and penetrate through the second block body in the front-back direction. When the front end of the jumper is in butt joint with the rear end of the optical assembly, each optical fiber through hole is opposite to the corresponding optical fiber counter bore. The optical fiber coupling device has lower requirements on processing precision and assembling precision, the manufacturing cost is easy to reduce, the overall size is smaller, and the development requirements of miniaturization and high-density integration of an optical module are easy to meet.

The present application belongs to the technical field of communications. Provided are a cable, an active cable and a communication system. The cable comprises a dielectric layer, a first metal layer and at least two cores, the first metal layer covering the dielectric layer, and the at least two cores being located in the dielectric layer. The distance S between the centers of any two cores satisfies 1.97d≤S≤3.60d, and the distance w between the center of any core and the inner wall of the first metal layer satisfies 1.15d≤w≤2.10d, d being the diameter of the core and being determined according to the size of the cable. The present application enables cables to achieve the transmission of multiple signals under small cable diameters, thereby facilitating the weight reduction and thinning of cables.

The invention relates to the technical field of ship anti-freezing, and discloses a floating type anti-freezing device of a broadside liquid tank, the floating type anti-freezing device comprises a vent pipe base device, a floater heating device body and a tank wall fixing device, the vent pipe base device is arranged on the top of the broadside liquid tank, the floater heating device body is detachably connected to the vent pipe base device, and the tank wall fixing device is arranged on the floater heating device body. The bulkhead fixing device is arranged on the side wall of the broadside liquid tank, the bulkhead fixing device comprises an active cable winding and unwinding mechanism, the active cable winding and unwinding mechanism is connected with a floater heating device body, and a positioning system is arranged on the floater heating device body. Based on the actual operation condition of the ship, the large-range anti-freezing target of the whole cabin is focused to the free liquid level and local anti-freezing of the vent pipe, arrangement of a large number of heating coils is reduced, limited heat source consumption on the ship is greatly reduced, the operation cost of the whole ship is saved, and the technical level of ship design is improved.

The invention relates to a hydraulic system of a large-tonnage towing engine. The large-tonnage towing engine hydraulic system comprises an internal combustion engine, a closed hydraulic pump, an open hydraulic pump, a hydraulic motor, a filter, a cooler, a first one-way valve and a system pipeline fitting, and the large-tonnage towing engine hydraulic system can be switched to be in one of an active cable winding working mode, an active cable unwinding working mode and a passive cable unwinding working mode. According to the large-tonnage towing engine hydraulic system, active cable collecting, active cable releasing and passive cable releasing work can be achieved, heat balance of the large-tonnage towing engine hydraulic system is guaranteed, and the system can stably work for a long time.

The utility model provides an active cable, and belongs to the technical field of communication. The active cable comprises m sections of cables, a first electric module, a second electric module and (m-1) connecting modules, wherein m is an integer greater than or equal to 2; the m sections of cables are connected through the (m-1) connecting modules, the first electric module is located at the first end of the connected m sections of cables and used for being electrically connected with first equipment, and the second electric module is located at the second end of the connected m sections of cables and used for being electrically connected with second equipment; wherein the first electric module, the second electric module and the connecting module respectively comprise a chip used for carrying out loss compensation on transmitted service signals. According to the invention, the signal transmission distance of the active cable can be prolonged.

The application discloses an optical assembly, a photoelectric module and a mounting method, a plug and an active cable, and belongs to the field of optical fiber connectors. The optical assembly comprises a body, and a reflecting surface, an opening and a lens arranged on the body. The opening and the lens are both arranged on one side of the reflecting surface along a first direction, and meanwhile, the opening comprises an inner wall, the lens is arranged on the inner wall of the opening, the opening faces the first direction and a second direction, and the second direction is different from the first direction.

The invention provides an active cable with high environmental affinity and a preparation method thereof, and relates to the technical field of cables, the active cable comprises a wire pair, an insulating layer arranged outside the wire pair, an outer shielding layer arranged outside the insulating layer, a drain wire arranged in the outer shielding layer, a wire pair shielding layer arranged outside the outer shielding layer, and a sheath layer arranged outside the wire pair shielding layer. According to the active cable with high environmental affinity and the preparation method thereof, the inner shielding layer of the active cable is made of graphene oxide-polylactic acid, and the shielding layer can reduce loss in the transmission process, so that electromagnetic signals can be better transmitted; the insulating layer and the sheath layer are made of polylactic acid and poly (butylene adipate-co-terephthalate) in a mass ratio of 5: 5-7: 3, the composite degradable plastic material of the insulating layer and the sheath layer has relatively high temperature resistance and wear resistance at the same time, and the wire pair shielding layer is a tinned round copper net which is tightly woven, so that external electromagnetic wave interference can be prevented.

The present disclosure belongs to the technical field of communications. Provided are an active cable and a communication system. The active cable comprises an electrical module and a cable, wherein the electrical module comprises a signal conversion circuit, a device-side interface and a cable-side interface; the signal conversion circuit is separately connected to the device-side interface and the cable-side interface; the cable comprises cores; each core is surrounded by an anti-interference layer; each core is connected to the cable-side interface; the device-side interface is used for connecting to a communication device, and sending to the signal conversion circuit a differential signal received from the communication device; the signal conversion circuit is used for converting the differential signal into a single-ended signal, and sending the single-ended signal to each core by means of the cable-side interface; and each core is used for transmitting the single-ended signal. Single-ended signals are transmitted on a cable of an active cable, thereby reducing the number of cores used; and the cores of the cable can be used as independent channels to transmit the single-ended signals, thereby reducing the degree of crosstalk between single-end signals transmitted on different cores, and even preventing crosstalk.

The invention relates to an electrical module test method based on dynamic channel assessment, which comprises the following steps: activating a pseudo-random bit sequence generation module to generate a test signal, and transmitting the test signal to a receiving component of an active cable through a transmission channel. A receive side link training request signal is sent to a control unit of the active cable. The control unit sends a lookup table query instruction to the signal processor, the signal processor reads a lookup table of a mapping relation between pre-stored channel characteristics and optimal configuration, synchronously collects signal data output by the receiving assembly, and extracts initial channel characteristics and then carries out matching to obtain candidate preset values. And the signal processor receives the sampling signal output by the receiving assembly, and completes performance detection by calculating the bit error rate and the signal-to-noise ratio. Therefore, blind parameter traversal of a fixed sequence in the prior art is avoided through mutual cooperation of dynamic channel evaluation, channel characteristics and optimal configuration, intelligent mapping of a lookup table and direct positioning of adaptive configuration.

Implementations for verifying integrity of encryption engines in a UALink-based network. A device comprising a port encryption engine calculates a CRC value over plaintext content of a message before encryption, encrypts the CRC value using a portion of an encryption keystream that follows the portion used for message encryption, producing an encrypted CRC, and computes an authentication tag over the encrypted content and the encrypted CRC. The encrypted CRC does not increase bandwidth consumed by the message. At a receiving device, a CRC is independently recalculated from decrypted content, encrypted using a corresponding keystream portion, and compared via authentication tag verification. A fault in either the encryption engine or a decryption engine at the receiving device causes an authentication tag mismatch, enabling detection of internal crypto engine faults without additional protocol overhead. Implementations may apply to accelerators, switches, integrated circuits, and active cables in the UALink-based network.

The present disclosure discloses a module for active cable parameter equalization, a cable plug and an active cable, the module comprising: a control unit configured to stop high-speed signal transmission in response to determining that compensation parameter search is required; the parameter processing unit is used for searching compensation parameters to obtain target compensation parameters; and the configuration unit is used for setting the obtained target compensation parameters so as to improve high-speed signal transmission. According to the scheme, the target compensation parameter is obtained by searching the compensation parameter, the obtained target compensation parameter is set, high-speed signal transmission is improved, and it can be ensured that stable and efficient high-speed signal transmission can be achieved between the source end and the active cable under various combinations. Furthermore, the high-speed signal transmission is stopped in response to the fact that the compensation parameter search needs to be carried out, so that the link training failure caused by the fact that the high-speed signal which is not compensated is transmitted to the receiving end can be prevented.

The invention discloses a method and device for generating a movement control signal of a tensegrity robot, and belongs to the technical field of robot control, the method comprises the following steps: selecting a part of cables of the tensegrity robot as an active cable, and taking the remaining part as a passive cable; inputting the initial value of the gait variable of each active cable into an optimization algorithm for iteration to obtain an updated value of the gait variable of each active cable, and inputting the updated value of the gait variable of each active cable into the optimization algorithm for repeated iteration until a specified number of iterations is reached; carrying out fine tuning and optimization on the gait variable through multi-round iteration; calculating an active cable update control signal corresponding to the update value of the gait variable of each active cable in each round of iteration and an evaluation parameter of the active cable update control signal so as to determine an active cable target control signal; the gait variable determined in the mode and the corresponding active cable target control signal are used for controlling the active cable and driving the passive cable to execute the gait action, and the stretch-draw whole robot can be accurately controlled to rapidly walk and move.

The invention discloses a system and method for testing the RCS of a ship in an open sea. The device comprises a mooring unmanned aerial vehicle, a bearing platform, a tested ship and a control station, the mooring unmanned aerial vehicle is connected with the bearing platform through an active cable, stable transmission of electric power and signals is achieved, and the requirement for long endurance of open seas is met. The control station is provided with a dynamic tracking module, the radar direction is adjusted through video tracking or satellite positioning guidance, and continuous alignment of the moving ship is ensured; and the calibration reflector is used for field calibration in the open sea. The testing method comprises the steps of distance range determination, open sea area screening, dynamic tracking testing, field calibration and RCS calculation, the problem that an existing offshore / shore-based test cannot simulate the real environment of the open sea is solved, the testing result has practical significance, and the requirements of ship stealth design, weapon equipment demonstration and the like can be met.

The utility model discloses an optical module with a good heat dissipation effect and an AEC active cable. The optical module and the AEC active cable comprise an optical module and a cable assembly. The optical module comprises an optical module body, a PCB assembly and a cooling fan, the optical module body at least comprises a back shell and an outer shell, and the outer shell is arranged on the back shell to define a containing space; a heat dissipation part and an installation position are arranged on the shell; the heat dissipation fan is installed and positioned at the installation position, the heat dissipation fan at least comprises an air outlet, and the air outlet is used for conducting heat dissipation on the interior of the containing space and / or the heat dissipation part, so that air flow of the heat dissipation fan flows along the heat dissipation channel and / or the heat dissipation part from the air outlet to conduct heat dissipation on the optical module body. According to the optical module, the heat dissipation part can well exchange heat with external airflow, and the airflow of the heat dissipation fan dissipates heat in the accommodating space and / or the heat dissipation part under the cooperation of the heat dissipation fan, so that heat on the optical module main body is taken away in a dual heat dissipation mode, and the heat dissipation effect of the optical module main body is improved.