12 results about "Active cable" patented technology

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.

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.

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 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.

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 invention relates to the technical field of offshore wind power operation and maintenance, and discloses an intelligent collaborative replacement system and method for large components of an offshore wind turbine. The system comprises a bottom-supported operation platform, a hoisting control device, a multi-mode anti-collision and posture stabilizing device and a modular assembly. And the hoisting control device plans and instructs the main crane and the auxiliary crane to act cooperatively through the cooperative controller. According to the multi-mode anti-collision and posture stabilizing device, real-time data are fused and processed through a posture sensing unit, a data processing center and an executing mechanism so as to generate a track correction instruction for restraining swing and preventing collision, and the executing mechanism is an active cable rope array. The modular tool set comprises a profiling adjustable elephant leg tool, a multi-point self-adaptive balance hanging beam and a buffer protection tool assembly. The replacement method comprises the steps of intelligent parking of the platform, intelligent cooperative disassembly and reassembly of the impeller assembly, intelligent replacement operation of the main machine and the like, accurate control over replacement operation of large components in the wind disturbance environment is achieved, and operation safety and reliability are improved.

The application provides an optoelectrical connector applied to a vehicle, an assembling method thereof and an active cable. The optoelectrical connector comprises a shell, an optoelectrical conversion module arranged in a receiving cavity of the shell, an electrical connecting member partially arranged in the receiving cavity of the shell and connected to the optoelectrical conversion module, an optical connecting member partially arranged in the receiving cavity of the shell and connected to the optoelectrical conversion module, and a cured potting glue filled in the receiving cavity of the shell and covering the optoelectrical conversion module and the part of the electrical connecting member and the optical connecting member in the receiving cavity of the shell. The optoelectrical connector can ensure that the active cable can be applied to an autonomous vehicle, and realize low-delay, large-bandwidth and high-reliability video data transmission between a camera and a vehicle electronic system.

Interface circuitry for an active cable includes a first active cable interface configured for coupling to a first end of the active cable, and a second active cable interface configured for coupling to a second end of the active cable. The first active cable interface includes first transmitter circuitry including linear driving circuitry or non-linear driving circuitry, and first receiver circuitry including linear receiving circuitry or non-linear receiving circuitry. The second active cable interface includes second transmitter circuitry including linear driving circuitry when first transmitter circuitry includes non-linear receiving circuitry, and non-linear driving circuitry when first transmitter circuitry includes linear receiving circuitry. The second receiver circuitry includes linear receiving circuitry when first receiver circuitry includes non-linear driving circuitry, and non-linear receiving circuitry when first receiver circuitry includes linear driving circuitry.

An active cable node circuit associated with a hybrid fiber coax network is disclosed. The active cable node circuit comprises an uplink transceiver circuit configured to couple to an aggregation node circuit over a first coax cable link comprising coaxial cables and receive a set of downstream data signals from the aggregation node circuit. In some embodiments, the active cable node circuit further comprises one or more access transceiver circuits configured to provide the set of downstream data signals received at the uplink transceiver circuit or a processed version thereof, to one or more access circuits. In some embodiments, each of the one or more access transceiver circuits is configured to couple to the uplink transceiver circuit at a first end, and couple to a set of access circuits of the one or more access circuits at a second, different end, over a second coax cable link.

The invention discloses a cooperative logistics transfer robot based on a cable driving unit and a two-connecting-rod passive rigid arm. The cooperative logistics transfer robot comprises a three-dimensional frame supporting unit, a multi-degree-of-freedom cable driving system, the two-connecting-rod passive rigid constraint arm, a tail end execution complex and a central control and sensing system. A plurality of active cable driving modules of the multi-degree-of-freedom cable driving system are fixed to a three-dimensional frame supporting unit and connected with a tail end execution complex through high-strength flexible ropes, and main driving force and a large-range operation space are provided; one end of the two-connecting-rod passive rigid constraint arm is hinged to the base, the other end of the two-connecting-rod passive rigid constraint arm is connected with the tail end execution complex, a driving motor is not arranged in the arm, and only the angle sensing unit and the variable damping vibration suppression unit are integrated. Through the cooperative operation mode of cable driving active output and rigid arm passive guiding and vibration suppression, the robot not only has the large working space and the high load dead weight ratio of cable driving, but also solves the problems that cable driving is prone to vibration and low in precision through the passive rigid arm, and high-dynamic and high-precision carrying operation under the logistics scene is achieved.