8results about How to "Reliable communication" patented technology

This invention discloses a method for leading-edge signal detection and frame synchronization in the MAC layer of a battery cell pressure sensing network. By employing a frame start delimiter (SFD) leading-edge signal vector detection optimization algorithm, the efficiency and accuracy of leading-edge detection are improved. Algorithms such as sliding window analysis, noise likelihood function, and leading-edge likelihood function are used to accurately detect the leading-edge signal vector, further enhancing detection efficiency and accuracy. Simultaneously, the Bayesian likelihood ratio method is used for leading-edge signal vector detection, significantly reducing the false positive and false negative rates and increasing the reliability of the detection results. This invention enables rapid leading-edge signal vector detection and frame synchronization, improving the real-time performance of data transmission and making it suitable for applications requiring high real-time performance, such as lithium battery management systems. The method proposed in this invention can be widely applied to the MAC layer of battery cell pressure sensing networks, providing strong support for establishing more efficient and reliable sensor network communication.

This application discloses a communication method and a power equipment system for power equipment systems, belonging to the field of communication technology. The method is applied to a master control device that communicates with multiple slave devices, including: updating its own configuration parameters according to configuration information preset by a host computer; sending the configuration parameters to each slave device to update the configuration parameters of each slave device and establishing a communication link with each slave device; sending a sampling trigger command to the slave devices according to the communication link, so that the slave devices can sample and obtain sampling data according to the sampling trigger command; generating a pulse width modulation data command according to the sampling data uploaded by the slave devices, and sending the pulse width modulation data command to the slave devices to drive the slave devices to execute the pulse width modulation data command. This application realizes reliable communication between the master control device and multiple slave devices by constructing a communication method for the master control device and slave devices, thereby improving the collaborative control accuracy of the power equipment system.

The utility model relates to a wireless remote control device for portable electric lift, including transmitting part and receiving part, CPU processor I in transmitting part is connected button and indicating lamp module, wireless communication module I and boost module respectively, boost module connects battery, CPU processor II in receiving part is connected isolation power module, motor drive and protection module, wireless communication module II and state and trouble display module respectively, motor drive and protection module are connected with the brushless DC motor in portable electric lift, isolation power module connects lithium cell, and all are equipped with built -in PCB antenna in wireless communication module I and wireless module II, and state and trouble display module connects 2.4 inch OLED display screen. The utility model has the beneficial effect that: to brushless DC motor adopts FOC magnetic field orientation control form, and control precision is high, and the anti -interference ability is strong, can work stably in 1000KV strong electric field.

The embodiment of the invention provides a clock circuit, electronic equipment and an energy management system, in the clock circuit, a first power supply voltage signal provided by a power supply circuit can charge an energy storage circuit, and the voltage value exceeds the working voltage applied by a communication bus, so that the power supply duration of the energy storage circuit to a clock generation circuit is increased after the clock circuit is powered down, and the power supply efficiency is improved. The standby power duration of the clock circuit is increased, and the voltage conversion circuit is arranged to adjust the power supply voltage of the clock generation circuit or the voltage value of the output clock signal, so that the signal level of communication between controllers electrically connected with the clock circuit can be correctly identified when the clock circuit works normally, and reliable communication is ensured.

The invention relates to a European standard electric vehicle pile end charging communication controller test system and method, and the system builds a hardware framework for SECC test, can simulate a real charging scene, and provides a hardware basis for the research and development and test of charging equipment. The EVCC simulation board and the EVCC network adapter board are arranged, hardware signals of the EVCC can be simulated and processed, vehicle-pile interaction network communication between SECC and the EVCC can be forwarded to the computer through the EVCC network adapter board, various EVCC network interaction messages are simulated according to test cases through measurement and control software in the computer, the form of automatically executing the test cases is adopted, and the test efficiency is improved. Various charging communication protocols are supported, manual switching and configuration of test conditions are omitted, charging can be automatically completed, test expected result judgment can be automatically carried out, the test efficiency can be improved, and regression testing can be conveniently completed by repeatedly executing test cases.

The present disclosure relates to the technical field of large-scale mobile robot scheduling, and provides a method and device for intelligent scheduling of large-scale mobile robots assisted by unmanned aerial vehicles, comprising: constructing a collaborative scheduling architecture comprising unmanned aerial vehicles, multiple mobile robots and edge servers; in the collaborative scheduling architecture, based on the communication delay, jitter and control error of each mobile robot, a joint optimization problem is constructed with the objective of minimizing real-time tracking error; the joint optimization problem is modeled as a Markov decision process; the control and communication joint action of the Markov decision process is determined by using an intelligent scheduling algorithm; and the mobile robot control instruction, the unmanned aerial vehicle flight path, the scheduling and phase configuration of the reconfigurable intelligent metasurface of the unmanned aerial vehicle, and the transmission power of the edge server in the collaborative scheduling architecture are adjusted in real time according to the control and communication joint action. The embodiment reduces the communication delay, jitter and trajectory tracking error of the mobile robot, and improves the stability and reliability of the system scheduling.

The application discloses a wireless optical communication and sensing integrated system based on DCO-OTFS and an implementation method, relates to the technical field of wireless optical communication and sensing integration, and comprises the following steps: introducing orthogonal time-frequency-space OTFS modulation technology into the wireless optical communication and sensing integrated system, constructing a direct current bias light DCO-OTFS integrated sensing and communication system suitable for intensity modulation / direct detection by applying two-dimensional Hermite symmetry constraint in the delay-Doppler domain; designing the signal of the transmitting end of the direct current bias light DCO-OTFS integrated sensing and communication system, and generating a time-domain OTFS detection signal satisfying non-negative and real number constraints; processing the signal of the receiving end communication function, and deducing a theoretical bit error rate expression under a Málaga turbulence channel; processing the signal of the receiving end sensing function; by applying two-dimensional Hermite symmetry in the delay-Doppler domain, the application applies OTFS modulation to the wireless optical system of intensity modulation / direct detection, and solves the problem that the traditional complex baseband waveform cannot be directly applied.

The utility model relates to a kind of reaction flywheel batched electric interface test platform, including test trolley and test control equipment;Test trolley includes upper mesa, lower mesa and connecting column;Upper mesa and lower mesa are arranged in parallel interval, and the four corners of upper mesa and lower mesa are fixedly connected by connecting column;Test control equipment includes host computer, oscilloscope, constant current source and isolation test box, host computer, oscilloscope, constant current source and isolation test box are all set on upper mesa, and oscilloscope and constant current source are all connected with isolation test box;Total test passage is equipped on lower mesa, and a plurality of flywheel installation grooves are located on the both sides of total test passage, and flywheel installation groove is communicated by branch test passage and total test passage;Test connector is arranged at the connecting place of branch test passage and flywheel installation groove, and control switch is connected by wire, and control switch is connected by wire and isolation test box, and wire is located in branch test passage and total test passage.