11results about How to "Reduce hardware complexity" patented technology

This invention relates to a fluid velocity and flow rate detection device, and pertains to the field of fluid detection technology. The device includes: a fixed small steel plate and an elastic sensing unit; both the fixed small steel plate and the elastic sensing unit are disposed inside the fluid pipe to be detected; wherein, the lower end of the fixed small steel plate is fixedly connected to the inner wall of the fluid pipe, and a fixing part is provided at its upper end; the elastic sensing unit includes at least two elastic steel plates, one end of each elastic steel plate converging and connecting to the fixing part, and the elastic steel plates are radially distributed with the fixing part as the center; a first sensor is assembled at the other end of each elastic steel plate. This invention has a wide range of applicable media, strong anti-interference ability, and stable detection.

This invention relates to the field of communication technology, specifically to a collision detection method and related equipment for ultra-short-range shared medium networks. The method includes: a master node broadcasting downlink messages on a downlink channel, and slave nodes sending uplink messages within a shared uplink contention window; each slave node starting an acknowledgment response timer for each sent uplink message and waiting to receive an acknowledgment message from the master node; the master node performing frame check sequence verification on the received uplink messages, and if a verification error is found, sending a verification error alarm message to the slave node at the corresponding source address; the slave node determining a serious collision when the acknowledgment response timer expires, or determining a collision event when it receives a verification error alarm message; and the slave node executing a backoff strategy based on the collision detection results. This invention enables efficient and reliable collision detection without adding additional hardware receivers, reducing system costs and design complexity, and is suitable for ultra-short-range scenarios such as intra-robot communication.

The utility model discloses a kind of continuously pressurized stable liquid supply systems, comprising: chemical distribution module is connected with external nitrogen pipeline, the output of the chemical distribution module is communicated with control box, the output of the control box is communicated with valve group box, the output of the valve group box is communicated with process machine platform;The chemical distribution module includes pressure sensor and PLC module, the pressure sensor is located at the output of chemical distribution module;The pressure sensor is electrically connected with PLC module.Beneficial effect: improve liquid supply precision, by real-time monitoring the pressure of chemical distribution module chemical distribution module outlet, and according to pressure change automatic control start-stop of liquid supply pump, effectively keep system pressure stable in set range, to realize the accurate supply of chemical, meet the high-precision requirement of chemical consumption control in production process.

The invention discloses a foot end slip detection and compensation method for a six-wheeled composite robot, and relates to the technical field of anti-slip of robot movement. The method mainly comprises the three steps that firstly, a sliding detection model is built based on a long short-term memory (LSTM) network model, and the model predicts the sliding amount of each foot end only by taking error information of an actual motion state and an expected state of a fuselage as input; secondly, according to the predicted slip amount, obtaining an instantaneous steering center and a compensation rotation angle generated by slipping of the robot through geometric calculation; and finally, according to the calculated steering parameters, the robot is controlled to execute pure rolling steering motion, a supporting polygon is reconfigured through the strategy that the non-slipping swing legs fall down and the slipping legs are lifted up, and motion errors are compensated in real time. The method has the beneficial effects that the hardware cost is low, the system is light in weight, the real-time performance and the self-adaptability are high, and the motion stability of the robot on the complex terrain can be effectively improved.

This invention relates to the field of heat dissipation, and discloses a computing system and electronic equipment, including: a housing with at least two enclosures inside, each enclosure containing an immersion medium; electrical connectors on the enclosure walls and electrical components immersed in the immersion medium inside the enclosures, the electrical components being electrically connected to the electrical connectors; a power supply module located outside the enclosures and electrically connected to the electrical connectors of each enclosure, the power supply module supplying power to the electrical components; and a fluid supply / return component located outside the enclosures and detachably connected to the enclosures, used to provide the immersion medium to the enclosures or to return the immersion medium, the power supply module and the fluid supply / return component being in thermally conductive contact. By separating the electrical components into multiple enclosures, independent maintenance is achieved without draining the fluid; the externally located power supply module and thermally coupled fluid supply / return component avoid heat accumulation, improve heat dissipation accuracy, eliminate the need for additional heat dissipation structures, simplify design, reduce costs, and enable independent operation and maintenance of the power supply and computing units, thereby improving maintenance efficiency.

Methods and apparatuses for wireless communications are disclosed. The first node transmits a first message, the first message indicating a plurality of measurement configurations, the plurality of measurement configurations all being available or all being unavailable. The above method reduces signaling overhead and latency, reduces hardware complexity and cost required for AI / ML, and improves overall system performance.

The invention relates to the technical field of computers, and provides a speed limit processing method, a speed limit processing device, a computer readable storage medium and electronic equipment, and the speed limit processing method comprises the following steps: receiving a network message; determining a diversion processing strategy for the network message according to the indication identifier associated with the network message; the diversion processing strategy comprises cross-cluster diversion and intra-cluster diversion; when the flow guide processing strategy is cross-cluster flow guide or intra-cluster flow guide, determining a target gateway node having a unique mapping relationship with a bandwidth packet identifier of the network message, and guiding the network message to the target gateway node; and executing bandwidth speed limiting processing on the network message through the target gateway node. According to the invention, centralized speed-limiting processing of packet traffic of the same bandwidth can be realized, and consistency, accuracy and high performance of a speed-limiting strategy are effectively guaranteed.

This invention discloses a method, apparatus, and system for tilt attitude calibration of a vertical hydrophone array based on the ray-mapping method. The method includes: sequentially performing a pre-search estimation of the receiving-transmitting distance of each hydrophone in order from shallow to deep depth, minimizing the error between the theoretically calculated arrival time difference between the direct wave and the reflected wave from the sea surface and the actual extracted time difference, thereby obtaining the optimal distance estimate for each hydrophone in the pre-search stage; recalculating the optimal direct wave arrival time for each hydrophone using the optimal distance estimate obtained from the pre-search; and again, sequentially fine-tuning and optimizing the receiving-transmitting distance of each hydrophone in order from shallow to deep depth, iteratively searching for the distance estimate that most closely matches the theoretical direct wave arrival time calculated based on the pre-search estimate with the actual measured value. This invention provides a marine vertical receiving array attitude calibration scheme that is independent of external assistance, highly accurate, robust, and computationally efficient.

This invention discloses a temperature-adaptive heating method and system for lithium-ion batteries at low temperatures. The method selects between off-grid and grid-connected heating modes based on the lithium-ion battery state: In off-grid mode, the power devices inside the energy storage converter, along with the AC-side filter inductor, filter capacitor, and battery cluster units, are reconstructed into a closed internal resonant heating circuit. AC heating current is generated by periodically switching the power devices on and off to excite resonance. In grid-connected mode, the energy storage converter is controlled to periodically switch between rectification and inversion states to generate AC heating current. The method also involves three-phase bridge arm drive control and dynamic switching, battery cluster group heating, lithium plating prevention protection based on calibration tables and lithium plating indicators, bias current regulation, and DC support capacitor switching. This invention reuses existing hardware of the energy storage converter to achieve dual-mode adaptive heating without requiring additional power equipment, balancing heating efficiency and battery safety.

This invention discloses a radar error calibration method and system based on a vision transformer, belonging to the field of radar data processing and error calibration technology. The method includes: acquiring radar measurement data and AIS data as ground truth; transforming the geographic coordinates of the AIS data to a local Cartesian coordinate system centered on the radar position, and achieving time alignment with the radar measurement time through linear interpolation; calculating the range error sequence and azimuth error sequence based on the aligned data, and weighting the results with confidence levels by combining AIS position accuracy information and ship navigation status information; constructing a radar error calibration model based on a vision transformer architecture; using the trained radar error calibration model to predict errors in the radar data to be calibrated, and completing the calibration. This invention can effectively characterize the long-range dependence and nonlinear relationship in radar errors, improve the accuracy of radar ranging and direction finding error calibration, and has good generalization ability and interpretability.

The utility model relates to the field of paint stripping device, especially single laser overturning paint stripping device. Including jig, laser assembly and shift loading component, wherein, the jig has the loading end for loading material, and makes the material on the loading end parallel to the exposure of at least three planes of first direction, the laser assembly includes single laser, the laser has the emission end corresponding the loading end. Shift loading component is connected with the jig and can drive the jig to move along the first direction and overturn around the first axis of a level setting parallel to the first direction, so that the first surface, second surface, third surface on the material correspond the emission end of laser assembly in proper order. The device drives the jig to overturn accurately around the first axis through the overturning mechanism, so that single laser can cover three parallel surfaces of material in proper order, and the hardware cost and maintenance complexity are reduced obviously. The coaxial drive design of overturning mechanism ensures that the jig overturning angle is accurate and stable.