13results about How to "Avoid Signal Conflicts" patented technology

The invention provides a control method for selecting two places, which comprises the following steps of: controlling a machine-side switch to be closed, switching on a first input signal, and sending the first input signal as an input condition for triggering a setting instruction to an input PLC (Programmable Logic Controller); after receiving the first input signal, the input PLC sets a first output signal to be in a high-level state, and the output PLC sets a second output signal to be in a low-level state through mutual exclusion logic; the central control switch is controlled to be closed, a second input signal is connected, and the second input signal serves as an input condition for triggering a setting instruction and is sent to the input PLC; and after the input PLC receives the second input signal, the second output signal is set to be in a high level state, and the output PLC sets the first output signal to be in a low level state through mutual exclusion logic, so that the problems that the belt conveyor is prone to equipment failure and needs more manpower expenditure due to mutual influence of local operation and central control operation are solved.

The invention belongs to the technical field of embedded systems and real-time control, and relates to a high-precision modular event timing system based on a microTCA.4 standard and a Zynq SoC architecture, which is suitable for scenes with high requirements on time synchronization precision and system stability, such as industrial control, and adopts a Zynq SoC timing main logic AMC board card conforming to the microTCA.4 standard and a ZYNQ-7045 SOC industrial chip; a Zynq SoC-based heterogeneous firmware module is provided, a PL end supports nanosecond event timing precision, and a PS end is in high-speed communication with the PL end through an AXI bus; a point-to-point signal real-time transmission and sharing mechanism based on mLVDS is provided; a standard backboard signal output board card and a plurality of types of high-speed photoelectric conversion terminal matching board cards are provided; according to the invention, the advantages of the FPGA are fully exerted, the core function is realized, a high-precision, flexible and extensible system is constructed, and the performance of an event timing system is improved.

The invention provides an ETC charging control system and method based on an array antenna, and computer equipment, and relates to the technical field of ETC charging. The system comprises an ETC antenna, an RSU controller and lane software, the ETC antenna is responsible for communicating with an OBU, receiving and forwarding a command of the RSU controller, and transmitting a response of the OBU back to the RSU controller; and the RSU controller is responsible for receiving data of the ETC antenna, feeding back the data after packaging according to a lane software protocol, receiving a command of the lane software and issuing the command to the ETC antenna. In addition, the RSU controller is also responsible for synchronously controlling each ETC antenna to ensure the consistency of the transaction process. According to the invention, continuous transaction of the ETC vehicle in the lane is realized, so that the error-tolerant rate of the transaction is effectively improved. Meanwhile, by improving the one-time passing rate of the ETC lane, it is ensured that the ETC vehicle can pass smoothly, and the purpose that the ETC vehicle can pass through completely is achieved.

The invention discloses a PCI (Peripheral Component Interconnect) replanning method and device. The method comprises the steps that cell information containing position information, adjacent cell information containing MOD3 interference information and PCI replanning configuration information containing a PCI to be distributed, the minimum multiplexing distance and the number of layers of all cells in a target area are obtained, and the target area covers a PCI replanning area and adjacent areas in a peripheral preset range of the PCI replanning area; dividing all the cells into a plurality of physical location points according to location information, wherein each point corresponds to three cells with the same location; dividing the to-be-distributed PCIs into a plurality of PCI groups according to the MOD3 values, wherein each group comprises three PCIs with different MOD3 values; and determining a first PCI group of each physical location point of the replanning area from the PCI groups by combining the minimum multiplexing distance and the number of layers on the basis of a PCI conflict-free principle of adjacent cells, and distributing an optimal PCI for the cell of each location point according to the MOD3 interference information. According to the method and the device, the technical problem that PCI distribution cannot be accurately and efficiently completed due to the fact that a current PCI replanning process is easily influenced by problem data is solved.

The invention discloses a multi-terminal control right management method and system, and the method comprises the following steps: matching control elements of other terminals according to a control element trigger signal when any terminal outputs the control element trigger signal, removing the control right of the matched control element, and keeping the control right of the unmatched control element. The method has the advantages that it is ensured that the same function of the same device cannot be controlled by multiple terminals, signal conflicts are avoided, the safety of the controlled device is ensured, control elements with different functions in other terminals are reserved, a user can still control other functions of the device through other terminals, and the user experience is improved. The flexibility of multi-terminal control is kept under the condition of avoiding multi-terminal control conflicts, and the user experience is improved.

The invention discloses a weak near-infrared signal detection device and method in gravitational wave detection, and solves the problems that for detection of extremely weak near-infrared signals, an existing detection method is easy to lose signals and is interfered by noise, and a detector is low in response rate in a near-infrared band, so that the detection precision is low. According to the invention, through a series-parallel connection combination mode, multi-stage gating gates are arranged. The optimal transmission path can be flexibly selected according to different transmission requirements, the data transmission efficiency and speed are improved, and the flexibility of the system is improved. Due to the cascade design of the multiple gating gates, the reliability of the system is improved, the failure rate of the system is reduced, and the stability and continuity of data transmission are guaranteed.

This application relates to a wireless lock system, including a wireless lock, a communication module, a relay module, and a control module. The communication module is communicatively connected to the wireless lock and the relay module. The relay module receives commands from the control module and transmits them to the wireless lock via the communication module. The control module is communicatively connected to the relay module and outputs control commands, including unlocking and closing the wireless lock. This system can efficiently manage multiple wireless locks, achieving remote control, status monitoring, and orderly communication under low power consumption conditions, significantly improving the reliability and applicability of the wireless lock system.

The invention discloses a multi-module aggregation method and related equipment, and relates to the field of electronic design automation, and the method comprises the following steps: obtaining a superior file; obtaining port information of the superior file based on the superior file, and storing the port information of the superior file in a superior file port information list; determining instantiation modules to be merged based on the superior file; obtaining port information of the instantiation module to be merged corresponding to the instantiation module to be merged, and storing the port information of the instantiation module to be merged in a port information list of the instantiation module to be merged; performing signal deduplication operation, port analysis and signal definition operation and renaming and comparison connection operation on the basis of the superior file port information list and the instantiated module port information list to be merged so as to generate a new merged file; and storing the instantiated part of the new merged file in the superior file.

This utility model discloses a driving power supply, belonging to the technical field of LED dimming devices, specifically relating to an LED dimming driver power supply device, including an input rectifier module, a flyback isolation circuit, a DC-DC constant current circuit, a microcontroller control module, and three dimming interfaces. The three dimming modes include: thyristor phase-cut dimming, 0-10V analog dimming, and PC-programmed dimming, with the microcontroller coordinating to allow only one dimming mode to be active at a time. The flyback isolation circuit and DC-DC constant current circuit, in conjunction with a phase detection circuit and a dimming signal isolation circuit, achieve smooth dimming and multi-mode compatibility. This utility model, by integrating multiple dimming modes and optimizing the circuit structure, reduces cost and size, and improves dimming adaptability and stability.

The application provides a battery management communication system, method, device and computer readable storage medium. The battery management communication system comprises a battery system general controller, at least one battery cluster master controller, at least one battery module controller, a direct-current power supply bus and a plurality of power carrier communication modules. The direct-current power supply bus is configured to provide working power supply for the battery system general controller, the battery cluster master controller and the battery module controller. The battery system general controller, each battery cluster master controller and each battery module controller are respectively connected to one power carrier communication module, and each power carrier communication module is electrically connected to the direct-current power supply bus. The power carrier communication module is configured to take the direct-current power supply bus as a communication medium to perform power carrier communication between the battery system general controller, the battery cluster master controller and the battery module controller. The application realizes simplified wiring and operation and maintenance efficiency improvement through multiplexing of the power supply bus carrier communication.

The invention discloses an RFID-based berth positioning system and method, and relates to the technical field of berth positioning. The system comprises an electronic tag which is used for storing a parking space electronic tag number; the reader is used for activating the electronic tag by transmitting a wireless radio frequency signal and reading the number of the electronic tag; the communication module is used for transmitting the electronic tag number and the number receiving time to the server; and the server is used for storing and processing the received electronic tag numbers and the number receiving time, and carrying out berth positioning according to the berth tag corresponding relation table. According to the technical scheme of the invention, the method can achieve the precise matching of the parking space of the carrier in a parking charging scene, and is higher in application value.

This application proposes a vehicle control method and system. The method includes: detecting and storing information queues of one or more Bluetooth devices within a preset detection range based on a preset time period into a preset information structure; performing scene set polling analysis based on the information queues, wherein each scene in the scene set has a preset scene trigger condition, so that when the data in the information queue meets the scene trigger condition, a scene control signal for the corresponding scene is generated; generating a corresponding scene control command based on the scene control signal and preset priority information of each Bluetooth device; and controlling the vehicle based on the scene control command. This application effectively realizes multi-scene control of a vehicle by multiple Bluetooth devices.

The invention relates to an insulation fault detection system and an insulation fault detection method. The system comprises a main insulation monitoring unit, at least one first DC branch, at least one slave insulation monitoring unit, at least one second DC branch and at least one server load. The main insulation monitoring unit is used for acquiring voltage to ground of the bus under different switching resistors, first leakage current corresponding to the first direct current branch and second leakage current corresponding to the second direct current branch; according to the voltage to ground, the first leakage current and the second leakage current, fault detection is carried out on lines among the main insulation monitoring unit, the auxiliary insulation monitoring unit and the server load, and a first detection result is obtained. According to the insulation fault detection system, the main insulation monitoring unit is used for intensively controlling the switching resistor and coordinating data acquisition, so that the insulation fault can be quickly and accurately positioned in a multi-branch and multi-node complex direct-current power supply system.