638 results about "Daisy chain" patented technology

The present disclosure provides a multiphase switching converter and control circuit thereof. The multiphase switching converter includes a plurality of control circuits forming a daisy chain architecture, and to generate a preparatory output signal and a switching control signal for controlling a corresponding switching circuit when receiving a clock signal from a communication bus in the preparatory state, the control circuit is configured to operate in a preparatory state when receiving a preparatory input signal. Only preparatory signals are transmitted between the plurality of control circuits, and a signal for controlling circuit being on is participated by the clock signal generated by a host controller, so that the host controller does not need to track a position of a current unit in real time during a control process of all units, thus greatly simplifying a design of the host controller and reducing a circuit cost.

Examples herein describe a scalable tweak engine and prefetching tweak values. Regarding the scalable tweak engine, it can be designed to accommodate different bus widths of data. The scalable tweak engine described herein includes multiple tweak calculators that can be daisy chained together to output multiple tweak values every clock cycle. These tweak values can be sent to multiple encryption cores so that multiple data blocks can be encrypted in parallel. Regarding prefetching tweak values, previous encryption engines incur a delay as the tweak value (e.g., a metadata value) for a data block is calculated. In the embodiments herein, the encryption engine can include an independent metadata engine that determines the metadata value for a subsequent data block while the current data block is being encrypted.

The invention relates to the technical field of battery management systems, and provides a battery parameter real-time monitoring system based on monomer sampling, which comprises a main control chip and a plurality of monomer sampling chips, and each monomer sampling chip is attached to the negative electrode end of a battery and is used for monitoring battery parameters in real time; each single sampling chip comprises an internal resistance monitoring unit with a built-in internal resistance prediction model and a temperature monitoring unit with an internal temperature prediction model. According to the invention, real-time online monitoring of the single battery is realized through the single sampling chip, and abnormal values of the temperature and internal resistance of the battery are pre-warned to monitor the thermal runaway or aging phenomenon of the battery; furthermore, a software algorithm is built in a single sampling chip to compensate and predict the internal temperature of the battery and the monitored internal resistance abnormal value of the battery according to the monitored external temperature, so that measurement errors caused by complex influence factors are eliminated, the measurement precision is improved, and the hardware cost is reduced; and the measurement data transmission precision is improved through double-line daisy chain or Bluetooth communication connection.

The invention discloses an X-waveband low-cost wave control system and method based on an FPGA, and belongs to the technical field of phased-array antennae, and the system comprises an FPGA module which is used for receiving and analyzing a control instruction from an upper computer, and executing a processing thread of a corresponding mode according to an analysis result; a FLASH module is mounted outside the FPGA module and used for achieving real-time programming curing and reconfiguration of storage parameters, the FPGA module is connected with a plurality of T / R assemblies in parallel through a plurality of data lines, the T / R assemblies on a single data line are mounted in a daisy chain mode, multi-channel data frames are sequentially sent into a first assembly shifting register in a serial mode, and the first assembly shifting register is connected with a second assembly shifting register in parallel. And the first T / R component serially outputs the data frame and transmits the data frame to the next component, and when the data frame shifts into a register of the corresponding T / R component, the data frame is read by controlling a time sequence.

The invention provides a battery management fusion system, an intelligent charging method, equipment and a storage medium, and belongs to the technical field of automobiles. The battery management fusion system comprises a high-voltage control execution unit, a high-voltage battery cell acquisition unit, a daisy chain bridging circuit, a low-voltage sampling control execution unit and a power domain controller, the high-voltage control execution unit and the high-voltage cell acquisition unit are respectively connected with the daisy chain bridging circuit, and the daisy chain bridging circuit is in communication connection with the power domain controller through a CAN bus; and the low-voltage sampling control execution unit is in communication connection with the power domain controller through a CAN bus. According to the system, the power battery management system and the low-voltage lithium battery management system of the vehicle can share one controller, namely, independent controllers do not need to be arranged for the power battery management system and the low-voltage lithium battery management system respectively, so that resource waste is avoided, and hardware cost is reduced.

The present embodiment relates to a technology for facilitating an increase of the number of LEDs to be driven by communication of a clock signal between chips forming a daisy chain when driving LEDs. The communication of a clock signal as well as data between chips allows improve the synchronization between the clock signal and data.

A design method for a vehicle control system includes constructing a daisy chain trunk network by a central processing unit and a plurality of zone ECUs, calculating a first activation time from when a network is sequentially activated from a predetermined zone ECU to when the central processing unit is activated, calculating a second activation time from when a network is sequentially activated from the central processing unit to when the zone ECU is activated, and determining a connection destination of an information acquisition unit and a connection destination of an in-vehicle device from the zone ECUs in a manner that a total time of the first activation time and the second activation time is less than a predetermined delay time.

The present application provides a chip communication circuit, method and apparatus based on automatic clock synchronization. The method includes: determining clock synchronization information of a first battery management chip in response to a received control instruction; replacing a chip selection enable signal in the control instruction with a clock synchronization signal carrying the clock synchronization information of the first battery management chip to obtain a new control instruction; and transmitting the new control instruction to other battery management chips, so that the other battery management chips perform automatic clock synchronization based on the clock synchronization information carried in the new control instruction; where the other battery management chips are battery management chips among the multiple battery management chips except for the first battery management chip, and a daisy chain with a sinusoidal sawtooth waveform is used for isolated communication between different battery management chips.

A calibration unit comprises a first port which is arranged for being connected to a measurement device; a calibration module comprising at least three different calibration standards for calibrating the measurement device; and a switching module configured to connect the first port with one of the at least three different calibration standards of the calibration module. A daisy chain port is arranged for being connected to a further calibration unit, to an external power meter, or to a device-under-test, DUT. The first port is connectable to the daisy chain port. An internal power meter is arranged within a housing of the calibration unit. The first port is connectable to the internal power meter; or an internal impedance tuner. The first port is connectable to the internal impedance tuner.

The invention discloses a time synchronization method of a system-on-chip, the system-on-chip and a vehicle. The time synchronization method of the system on chip comprises the following steps: determining daisy chain data transmission delay between a first hardware domain and a second hardware domain; determining a system clock difference between the second hardware domain and the first hardware domain according to the daisy chain data transmission delay; calibrating the clock of the second daisy chain counter according to the system clock difference, so that the clock of the second daisy chain counter is synchronized with the clock of the first daisy chain counter; determining a timestamp of the second subsystem based on first subsystem time information sent from the first hardware domain; wherein the first subsystem time information comprises a timestamp of the first subsystem and clock information of a first daisy chain counter; updating the system time of the second subsystem according to the timestamp of the second subsystem, so that the system time of the second subsystem is synchronized with the system time of the first subsystem; by adopting the method and the device, the time synchronization between the subsystems of the system on chip can be realized.

The invention discloses a vehicle-mounted video transmission hybrid topology network, and relates to the technical field of vehicle-mounted video communication. The vehicle-mounted video transmission hybrid topology network comprises a plurality of transmission nodes, each transmission node comprises at least one input port and at least one output port, and the plurality of transmission nodes form a hybrid network of a tree topology structure and a daisy chain topology structure; wherein the tree topology structure in the hybrid network comprises a root node and a plurality of subordinate sub-nodes, the daisy chain topology structure is a sub-branch of the tree topology structure, and the hybrid network comprises a main link and a standby link which are used for signal transmission. Through innovative designs such as hybrid topology, dynamic bandwidth allocation, data retransmission, redundant channels, routing address query and the like, high bandwidth, low delay and high reliability in the field of vehicle-mounted video transmission are realized.

The invention relates to the technical field of battery communication, in particular to a communication system structure of an energy storage battery management system, which comprises a battery management controller, a communication module and a battery cluster, the battery management controller is in communication connection with the communication module through a CAN bus; the battery cluster comprises a plurality of battery packs, the battery packs are connected in series through a daisy chain, and at least one battery pack is in communication connection with the communication module through the daisy chain. The battery management controller and the communication module are in CAN communication connection, so that the anti-interference performance of the system can be improved; and daisy chain connection is adopted between the communication module and the battery packs as well as between the battery packs, so that the system complexity and the system cost can be reduced.

Apparatuses and methods for extracting desired chemical species including, without limitation, lithium, specific lithium species, and / or other chemical compounds from input flows in a modular unit. The input flows may be raw materials in which lithium metal and / or lithium species are dissolved and / or extracted. The apparatuses and methods may include daisy chain flow through separate tanks, a column array, and / or combinations thereof.

A storage architecture includes a plurality of accelerator memory devices on a package substrate; a front-end chip located on the package substrate, and configured to perform communication with a host device; and a plurality of back-end chips configured to perform communication with the front-end chip on the package substrate and control at least a part of the plurality of accelerator memory devices, and coupled to each other in a daisy chain scheme.

A distributed network that may include multiple links; and multiple physical nodes that in communication with each other via the multiple links, to form multiple redundant paths, wherein at least some of the redundant paths form a daisy chain; wherein the multiple physical nodes comprise output ports configured to interface with external hosts. The multiple physical nodes are configured to supports software defined networking (SDN).

The invention relates to the technical field of integrated circuits, and provides a self-adaptive frequency modulation and voltage regulation chip control circuit and method, the circuit comprises a time sequence monitoring module which comprises a critical path replication sub-module and a daisy chain delay sub-module which are connected, and the critical path replication sub-module is used for simulating an actual critical data path in a chip; the daisy chain delay sub-module is used for applying a configurable delay amount on a time sequence to the output data signal; the time sequence performance after different time points is simulated; the first trigger is used for transmitting data signals; the sampling trigger module is used for sampling the data signal output by the time sequence monitoring module; the comparison logic module is used for generating a multi-bit time sequence margin indication code according to a comparison result; the time sequence margin indication code is used for adaptively adjusting the working frequency or the working voltage of the chip. According to the invention, through accurate monitoring and self-adaptive adjustment of a chip time sequence, all design margins can be utilized, and the energy utilization efficiency is improved, so that extreme low power consumption is realized.

According to the daisy chain reverse wake-up method, the battery management system and the battery management equipment provided by the invention, when the main control unit is in the dormant state, each front-end unit monitors the communication state of the corresponding battery pack and the daisy chain, and if a fault is detected, the battery pack is waken up; if yes, the corresponding front-end unit transmits an alarm signal to the battery management unit along a direction opposite to the communication direction so as to wake up the main control unit; when the main control unit is in a working state, starting from the front-end units connected with the bridging chip, each front-end unit monitors the corresponding battery pack, and when a fault is detected, the corresponding front-end unit sends an alarm signal to the main control unit along a direction opposite to the communication direction, the transmission directions of the alarm signal and the communication data coding signal are opposite, and the main control unit sends the alarm signal to the bridging chip; when the alarm signal and the communication data coding signal are located in the same communication line, the alarm signal and the communication data coding signal are mutually superposed and transmitted; therefore, when the main control unit is in the dormant state and the working state, the main control unit can receive the alarm signal in time.

The invention discloses a battery cell thermal runaway early warning method and device, a storage medium, a program product and a vehicle, and relates to the technical field of batteries, the method is applied to a battery system comprising a plurality of battery modules, each battery module comprises a plurality of battery cells, and daisy chain communication is adopted between the battery modules. The method comprises the following steps: acquiring battery cell state data of a battery cell and communication state data between battery modules, wherein the communication state data is determined by daisy chain communication; judging whether the cell state data and the communication state data meet a preset thermal runaway condition or not; and if yes, carrying out thermal runaway early warning on the battery system. The battery management system not only collects the state data of the battery core, but also monitors the communication state data of the daisy chain communication between the battery modules in real time, so that whether the battery system meets the preset thermal runaway condition or not can be comprehensively judged, the single condition that a traditional battery management system alarms voltage and temperature is avoided, and the battery management system is more intelligent. Therefore, the accuracy and timeliness of early warning of the thermal runaway event of the battery are improved.

The present invention discloses a computer network system and a computer system, including a high-performance computing network, the high-performance computing network includes at least 4 computers, multiple computers in the high-performance computing network each solve a large area in the computing domain, the computing domain large area topological relationship corresponds to the high-performance computing network topological relationship, the high-performance computing network topological relationship is that multiple computers in the high-performance computing network are connected by wires to form a ring topology or a daisy chain topology; and a management network, the management network includes all computers in the high-performance computing network and computers for storing and post-processing computing results, all computers in the management network are connected by switches or routers to form a star network topology to solve the problem of poor performance due to the influence of bandwidth and delay, achieve the effect of approximately equal communication delays of adjacent computing nodes, and enhance the communication performance of adjacent computers to improve computing efficiency.

The invention discloses a device and a method for testing the service life of a welding spot under a thermal-electric-vibration coupling load. The device comprises a thermal cycle device, a vibration device, a computer, a data acquisition instrument and a direct-current power supply. The thermal circulation device is fixed above a vibration table of the vibration device, threaded holes are formed in the vibration table, a circuit board can be fixed on the vibration table through screws, and thermal vibration coupling loading is achieved; a stable power supply is provided for welding spots on a circuit board through a direct-current power supply, so that heat-electricity-vibration coupling loading is realized; the welding spots are connected through the daisy chain, the resistance value of the welding spots is obtained through the data acquisition instrument, the computer is used for monitoring the resistance value, and an alarm value can be set, so that the service life of the welding spots is tested.

A semiconductor device includes: a first semiconductor structure including a first semiconductor substrate, one or more first conductive patterns, a plurality of first conductive plugs, and a first bonding pad; a second semiconductor structure including a second semiconductor substrate, a plurality of second conductive patterns, one or more second conductive plugs, and a second bonding pad; and two through electrodes penetrating the second semiconductor substrate and respectively connected to two second conductive patterns positioned at opposite ends of the plurality of second conductive patterns, wherein the second bonding pad is bonded to the first bonding pad so that the plurality of second conductive patterns, the one or more second conductive plugs, the second bonding pad, the first bonding pad, the plurality of first conductive plugs, and the one or more first conductive patterns form a daisy chain.

The electroencephalograph system comprises an MCU (Microprogrammed Control Unit), an acquisition unit and a buffer, the acquisition unit comprises a plurality of acquisition chips, and the plurality of acquisition chips are connected in series in a daisy chain mode through serial interfaces; the acquisition chip at the first stage is connected with the MCU unit through a serial interface; in this way, application of multiple channels is achieved, and the device can be suitable for collection of electroencephalogram signals with different functions; and the buffer can increase the driving capability of driving the DI N pin of the lower-level acquisition chip by the DOUT pin of the upper-level acquisition chip, so that the reliability of data transmission is improved.

The present disclosure relates to a serial communication network (400), including: a plurality of network nodes (402) including a primary node (404) and one or more secondary nodes (406a-406d) connected in a daisy chain configuration and configured to communicate according to a first wired communication protocol for serial communication, wherein the first wired communication protocol is the Open System Protocol; wherein at least one of the network nodes (402) is configured to act as bridge node (420), wherein the bridge node (420) includes communication circuitry configured to: enable a communicative coupling with a network node (402) and with an external device, receive from the network node (402) a first message according to the first wired communication protocol, and embed data from the first message into a second message configured according to a second wired communication protocol; and / or receive from the external device a second message configured according to the second wired communication protocol, and embed data from the second message into a first message configured according to the first wired communication protocol, wherein the second wired communication protocol is different from the first wired communication protocol.

The invention discloses an LVDS (Low Voltage Differential Signaling) type daisy chain communication method based on effective signal detection, which relates to the technical field of communication, and comprises the following steps: S1, setting acquisition nodes, and connecting all the acquisition nodes in series by using a differential LVDS link to form a daisy chain topological structure in a grading manner; s2, keeping the transceivers in the daisy chain topological structure in a sleep mode and keeping real-time detection; s3, when a high pulse signal is detected, waking up the LVDS module to receive data; and S4, after confirming that the parameters take effect, generating a response packet, returning the response packet to the computer end, returning to a dormant state, and forming a communication transmission energy-saving closed loop. According to the invention, through a mechanism of event triggering and local node participation, the system is awakened when a high-pulse effective signal is detected, so that the power consumption overhead caused by that all nodes are always active in a traditional communication architecture is avoided; the method has the advantages of greatly reducing the average power consumption of daisy chain data communication, improving the overall response rate of the system and reducing the confirmation time delay.

A portable article lifter, separator, and compressor capable moving a variety of articles. The core components are a frame, a motor, a power source, and a set of interchangeable end effectors suitable for moving different types of articles. This device is used to lift an article, separate multiple articles from each other, and compress one or more articles. Multiple devices can operate collaboratively to move a large and / or heavy article via daisy chaining the devices using synchronization modules. A transmission between the motor and the end effector controls the speed and the torque of the end effector. The device further provides an ON / Off module, a frame base, a handle, a level, wheels and rollers, and a work light.

A plurality of intermediary devices may be interposed in a hybrid data / power connection between a power source and a powered device. In one aspect, the intermediary devices may be connected in series. Such connecting may be referred to as “daisy chaining.” In other aspects, the intermediary devices may be connected in a tree or a mesh. Each intermediary device may be configured to consume, for its own use, power that is supplied over the hybrid data / power connection and to deliver remaining power over the hybrid data / power connection to at least one other device. Furthermore, each intermediary device may be configured to independently route data and power to downstream devices.

The invention provides a special BMS (Battery Management System) management system for a lithium fluorocarbon primary battery, which comprises a BMU main control board and 60 LMU control boards, the BMU main control board and the LMU control boards are arranged in a plastic shell on the side wall of the battery, and the LMU control boards are dispersed on the two sides of the battery, are connected with each string of battery cells of each branch by using acquisition cables, and are connected with a temperature monitoring sensor at the same time; the BMU main control board is arranged in the plastic shell right in front of the battery, the plastic shell is provided with an output plug-in, the output plug-in is welded and fixed with a PCB (printed circuit board) of the BMU main control board, power is supplied to an external load through the plug-in, the BMU main control board is connected with a communication line and transmits data to an upper computer regularly, and the BMU main control board is connected with the LMU control board through a daisy chain communication interface; the system has the advantages of ultra-low power consumption, high power output, high real-time performance, stable topological structure and the like, and meets the performance requirements.

Systems and methods for autonomous extraction of volatile minerals from extraterrestrial regolith are disclosed. A rover tows a mineral-collection wagon that mechanically prepares surface regolith and positions a detachable collector shield over a target area. When lowered, the shield rim seals against the regolith to define a localized, low-leakage environment. A radiant heating element raises the regolith to vaporization temperature; released species migrate to the shield's inner surface, which is cryogenically or ambiently cooled to condense solids as a removable film. After a heating / collection cycle, the shield is decoupled for retrieval and processing while the wagon immediately accepts a replacement shield, enabling continuous, modular operation. Embodiments support guided alignment, power coupling, optional daisy-chained wagons, and reciprocating or continuous motion to increase throughput on lunar or similar vacuum surfaces.

The utility model relates to the field of battery management systems, in particular to a daisy chain communication-based simulation device, which comprises an FPGA + ARM (Field Programmable Gate Array + Advanced RISC Machines) controller, a simulation branch and a BMS (Battery Management System) main controller, the analog branch comprises a differential circuit and a control circuit; the differential circuit comprises a signal buffer circuit, an ESD (Electro-Static Discharge) protection circuit, an LTC6820 circuit and an isolation transformer which are connected in sequence; a control signal output by the FPGA + RAM controller passes through the signal buffer circuit, the ESD protection circuit and the LTC6820 circuit and then is converted into a source current driving differential signal and a suction current driving differential signal which are matched with the isolation transformer. The isolation transformer sends the data to the BMS main controller; the control circuit comprises an SPI communication working mode switching circuit; the SPI communication working mode switching circuit is respectively connected with the FPGA + RAM controller and the LTC6820 circuit; the FPGA + RAM controller can select one of four communication working modes and communication clock rates of the LTC6820 through the SPI communication working mode switching circuit, and through the technical scheme, the FPGA + RAM controller has the advantages that the cost is reduced, the anti-interference capability is enhanced, and the communication rate is improved.

The invention provides a parallel daisy chain FPGA configuration method and device. The parallel daisy chain FPGA configuration method comprises the steps that FPGA chips in a board card are connected according to a parallel daisy chain structure, and the FPGA chip serving as a master chip and the FPGA chip serving as a slave chip are determined; the master chip and the slave chips control the configuration process through state machines of the master chip and the slave chips and parallel daisy chain starting signals in received code streams, so that an FPGA chip of the master chip serves as a master control end, and code streams with different configurations can be accurately configured to the master chip or sent to the corresponding slave chips in a parallel daisy chain. And the configuration function sending of the FPGA chip in the parallel daisy chain is realized.