25results about How to "Increase redundancy" patented technology

A hybrid power module for ship propulsion relates to the field of marine power technology. To address the problems of existing ship propulsion modules, which often employ electric motors, traditional heat engines, and parallel gearboxes for propulsion, resulting in large, complex systems with low space utilization and poor operational stability, this invention utilizes a highly integrated parallel reduction gearbox, a flexible coupling, and an electric motor. This achieves high power density and reduces the size by half compared to existing ship propulsion modules, improving hull space utilization. Furthermore, it can directly drive the propeller shaft without external power. With increased power, a diesel engine or gas turbine can be introduced to drive the propeller shaft in parallel with this module. The forward and reverse rotation of the propeller shaft can be achieved by engaging or disengaging forward and reverse clutches. This module enables operation and switching of six different main engine modes, providing high redundancy in the power system and ensuring operational stability. It has a wide range of applications. This invention is applicable to ships.

This invention belongs to the field of vehicle technology, specifically providing a system and method for multiplexing the output shaft speed of an engineering vehicle's transmission. The system includes a vehicle controller, a vehicle instrument cluster, and a transmission controller connected via a CAN bus. The vehicle controller is connected to a transmission input shaft speed sensor via a first relay. The vehicle controller is also connected to a transmission output shaft speed sensor via a second relay. A third relay is connected to both the vehicle instrument cluster and the second relay. The transmission controller is connected to both the first and second relays. The vehicle controller controls the operation of the corresponding relays based on the transmission type configured in the vehicle, connecting the signal paths of the corresponding sensors. After the sensor signal paths are connected, the vehicle controller determines the operating mode and controls the relevant relays accordingly. This provides accurate and reliable speed values, effectively improving the safety of the upper structure's operating mode.

This invention discloses an InSAR interferometric network optimization method based on a multi-factor coherence surrogate model. The method includes: constructing a multi-factor feature dataset containing SAR imagery, baseline data, and soil moisture data of the study area; constructing a candidate interferometric pair set, and randomly selecting a subset of sample interferometric pairs from the candidate set; constructing a coherence surrogate prediction model, which uses the multi-factor feature data corresponding to the sample interferometric pair subset and the ground truth values ​​of sample coherence to train the model parameters; inputting the multi-factor feature data corresponding to each interferometric pair in the candidate set into the trained coherence surrogate prediction model and outputting the predicted coherence of each interferometric pair and the optimized interferometric pair network. This invention improves the stability and accuracy of unwrapping and time-series inversion, while also reducing the difficulty of interferometric processing and coherence calculation under large-scale data, and can support the needs of large-scale, long-term, and near-real-time monitoring.

The utility model belongs to mechanical drive technical field provides a kind of double input transmission device, including input shaft, first gear is set on the input shaft and input shaft two ends are connected power source respectively;Synchronizer is set on the input shaft, the synchronizer side is provided with the yoke of pushing the synchronizer and first gear power connection;Output shaft is connected with the first gear transmission. By the above technical solution, the input shaft of the utility model is connected with two power sources simultaneously, the structure is compact, double power source is efficiently compatible, improves system redundancy;The yoke can quickly interrupt power, enhances the flexibility of transmission device.

This utility model discloses a split-type control circuit for aviation obstruction lights, belonging to the field of control circuit technology. The control loop can select parameters according to the power of the light fixture. The control circuit includes an AC power supply, a light fixture power switch QF1 and a control power switch QF2, a cyclic time relay KA, and solid-state contactors KM1 and KM2. Through the split-type control design, the flexibility and applicability of aviation obstruction lights are significantly improved. After separating the light fixture from the control loop, the selection of light fixtures is no longer limited by the control circuit. LED lights of different power and colors can be selected according to actual needs, breaking through the limitation of traditional aviation lights with a power of no more than 50W. It can also flexibly adjust the flashing frequency by replacing components, solving the problems of fixed flashing and susceptibility to weather interference in traditional equipment. Through the multi-loop time-sharing control design, the system redundancy is effectively improved. Even if a single loop fails, other loops can still operate normally, making it suitable for scenarios with extremely high safety requirements, such as airports and high towers.

This invention relates to the field of heavy-duty transport airship technology, providing a buoyancy adjustment device, a heavy-duty transport airship, a cargo loading method, and a cargo unloading method. The adjustment device includes: multiple water bladders, a main water injection pipe, a main water discharge pipe, and multiple branch pipes, each branch pipe including a drainage branch pipe and a water injection branch pipe. The main drainage pipe and the main water injection pipe are parallel to the axis of the heavy-duty transport airship and located on both sides of the axis. The multiple water bladders are arranged on both sides of the main drainage pipe and the main water injection pipe, along the axis of the heavy-duty transport airship. Each water bladder includes a water injection port, a water discharge port, and two valves, which are respectively located on the water injection port and the water discharge port. The water injection port is connected to the main water injection pipe through a water injection branch pipe, and the water discharge port is connected to the main drainage pipe through a drainage branch pipe. This solution can simultaneously achieve buoyancy and attitude coupling adjustment for loading and unloading heavy-duty airships, thereby solving the problems of balance stability and safety reliability during the loading and unloading of heavy cargo.

The present application belongs to hydrogen energy technical field, and particularly relates to a high-efficiency flexible medium-low temperature fuel cell waste heat refrigeration system.The technical scheme is as follows: a high-efficiency flexible medium-low temperature fuel cell waste heat refrigeration system, comprising a CO2 transcritical heat pump system, a lithium bromide absorption refrigeration system and a fuel cell power generation system, hot water generated by the CO2 transcritical heat pump system and hot water generated by the fuel cell power generation system are mixed and supplied to the lithium bromide absorption refrigeration system, and hot water generated by the lithium bromide absorption refrigeration system is sent back to the fuel cell power generation system.The present application provides a high-efficiency flexible medium-low temperature fuel cell waste heat refrigeration system, which fully utilizes fuel cell power and utilizes low-grade heat, can greatly improve the temperature range of the fuel cell, and improves the overall energy utilization efficiency.

This invention relates to the field of metrology calibration, and more particularly to an adaptive calibration method, apparatus, device, and storage medium for a metrology box. The method includes the following steps: powering on the metrology box normally, performing self-operating noise detection, and constructing a self-operating noise feature set; performing initial calibration and real-time metrological detection on the metrology box based on the self-operating noise feature set, outputting multiple metrological data sequences; performing sequence-by-sequence feature analysis and differential calculation of adjacent time periods based on the multiple metrological data sequences to obtain a feature difference value sequence; synchronously acquiring environmental monitoring parameters of the metrology box; tracing environmental interference sources based on the environmental monitoring parameters and marking interference sources; performing offset calibration based on the interference sources to obtain offset calibration reference parameters; and performing real-time operating condition metrological detection based on the offset calibration reference parameters. This invention achieves accurate and efficient metrology box detection and calibration.

This invention belongs to the field of wireless communication technology and discloses a wireless transmission signal enhancement system and method for large mining mobile equipment. The system includes: receiving wireless transmission signals from the large mining mobile equipment via multiple antenna arrays. Utilizing the structural characteristics of the mine interior, the signal is transmitted through different paths to increase coverage and redundancy; based on the received signal strength and quality, signal processing parameters, such as filtering, amplification, and error correction, are dynamically adjusted to improve signal clarity and accuracy. The technical solution described in this invention can improve the strength and stability of wireless transmission signals, reduce communication interruptions and data loss, thereby improving equipment efficiency and safety.

This utility model relates to a hybrid control system for a DC motor, comprising a control unit and a drive circuit. The input and output terminals of the drive circuit are electrically connected to the output terminal of the control unit and the DC motor, respectively. The system also includes a Hall effect sensor module and a current sampling circuit. The Hall effect sensor module includes three Hall effect sensors, and its signal output terminal is electrically connected to the first set of signal input terminals of the control unit. The current sampling module includes three sets of differential operational amplifier circuits, with their input terminals electrically connected to the output terminals of the drive circuit and their signal output terminals electrically connected to the second set of signal input terminals of the control unit. This system solves the problem of system failure caused by a single point of failure of the Hall effect sensor through an integrated fault detection and switching mechanism, thereby achieving a balance between reliable startup, high-precision operation, and high redundancy.

According to the rotor position data calculation method of the magnetic drive conveying system and the related equipment, the magnetic drive conveying system comprises a stator and a rotor, the stator is provided with a transmitting assembly and a receiving assembly, and the rotor is provided with an induction component. Controlling the emission assembly to emit an excitation signal at the initial emission power, wherein the excitation signal is used for making the induction part generate an induction magnetic field; acquiring real-time air gap state data generated by induction of the induction magnetic field by the receiving assembly; the real-time transmitting power of the transmitting assembly is adjusted based on the real-time air gap state data, so that the amplitude of the induction electric signal output by the receiving assembly is maintained in a preset linear interval; and the position data of the rotor is calculated based on the induction electric signal in the preset linear interval, so that the data accuracy of the rotor position data acquired in real time in actual operation of the magnetic drive conveying system is improved.

A fire equipment data monitoring device, belonging to the field of data monitoring technology, includes a housing, a microprocessor, a data storage unit, and a communication interface. Connecting components are slidably mounted on both sides of the housing. Each connecting component includes an interface panel, a sealing plate, and a transmission interface. Switching components are fixedly mounted on both sides of each microprocessor. Each switching component includes a connecting line, a signal fusion port, a signal tuning slider, and a switching port. A multi-stage reset rod with compressed ends is fixedly mounted at the top of each signal fusion port. A vertically sliding rod-shaped antenna is provided at the top of each multi-stage reset rod. By employing both wired and wireless communication methods, when one communication link fails, the other can be immediately activated as a backup, ensuring continuous data transmission and improving the system's stability and reliability in various complex environmental changes.

The application discloses a longitudinal tilting wing vertical take-off and landing aircraft and a hybrid power control method thereof, and belongs to the technical field of advanced air traffic. The aircraft comprises: a longitudinal tilting wing configuration, a plurality of power units are distributed on the front wing and the rear wing and are tilted together with the units; a hybrid power system integrated in the fuselage, comprising a hydrogen fuel cell system matching cruise steady-state power and a lithium battery system matching take-off and landing transient peak power; and an energy management controller connected with the hybrid power system and the tilt angle sensor signal, configured to dynamically adjust the power output ratio of the hydrogen fuel cell and the lithium battery in response to the change of the wing tilt angle. The application realizes a breakthrough in flight range by deeply coordinating the power system with the longitudinal tilting wing configuration, guarantees millisecond power response and safety redundancy in the transition flight phase, and significantly prolongs the service life of the lithium battery through shallow charging and discharging management.

The application discloses a kind of multi-incremental power pressure equipment electric control system and power control method, electric control system includes at least one increaser and the power battery managed by battery management system, increaser and power battery are connected to DC distribution box, DC distribution box powers multiple motor inverters, multiple motor inverters correspond to control multiple motor operation;It also includes VCU controller and UDCU upper controller, UDCU upper controller is used to predict working condition and generate equipment operating parameter, VCU controller is respectively connected with UDCU upper controller, increaser, battery management system, DC distribution box, motor inverter communication, according to the operating data of UDCU upper controller generated to the optimization distribution of increaser and power battery, and through VCU controller control back-end equipment operation.The application solves the problems, such as single power supply mode, low efficiency of power system and imperfect control strategy in the prior art, and realizes efficient, stable and fast transition of pressure equipment operation in the environment without network power.

This application discloses a control method, control device, equipment, and storage medium for a vehicle-mounted unmanned aerial vehicle (UAV), belonging to the field of vehicle control technology. The control method for the vehicle-mounted UAV includes: determining first heading data from multiple heading data sets based on a reference priority, wherein the multiple heading data sets have different data sources; acquiring first image data collected by the vehicle-mounted UAV based on the first heading data set at a first moment; if the first image data satisfies a first switching condition, determining second heading data from the multiple heading data sets based on the reference priority and a first confidence level of the multiple heading data sets at the first moment; and controlling the vehicle-mounted UAV based on the second heading data set. Through pre-configured reference priorities and multiple heading data sets, this application can ensure the accuracy and efficiency of the switching process when heading data switching is required, avoiding blind switching and ensuring the continuity and stability of the vehicle-mounted UAV's automatic takeoff, tracking, and return operations.

This invention discloses a multi-parameter fiber optic sensor network optimization method and system, relating to the field of fiber optic sensor network optimization. The method includes: establishing a three-dimensional finite element model of a wind turbine blade to obtain the blade's dynamic load distribution, mode shapes, and temperature field; identifying key areas of the blade and dividing the blade structure into five functional monitoring zones; deploying a hybrid fiber optic sensor array based on these functional monitoring zones; constructing a layered guiding optical cable network using a dual-channel helical winding structure; dynamically compensating for the original strain-vibration-temperature parameters acquired by the hybrid sensor array; and constructing a physical model-driven long short-term memory lifetime prediction network. The advantages of this invention are: through precise modeling, differentiated sensor deployment, error compensation, and intelligent lifetime prediction, it significantly improves the accuracy, reliability, and operation and maintenance efficiency of wind turbine blade monitoring.

This invention discloses an automatic personnel trajectory tracking method and system in hazardous areas, relating to the field of navigation technology. It involves synchronously acquiring satellite data and inertial measurement data, and using a Kalman filter for state prediction based on the inertial data. The availability of satellite data is evaluated; if available, multi-system fusion calculations are performed to calculate the observation error; if unavailable, pseudo-observation errors are generated using historical inertial data and a pre-trained error prediction model. The observation error or pseudo-observation error is then used to correct the state prediction using a Kalman filter, outputting optimal position information, and the generated trajectory is visualized in real-time on an offline map. This method can continuously correct inertial navigation drift even when satellites are unavailable, achieving continuous and reliable personnel trajectory tracking.

This invention discloses a buffered, high-redundancy, fault-tolerant, self-powered vibration sensor, comprising a housing, an end cap, an elastic component, a slider, an axial vibration module, and a lateral vibration module. The end cap is connected to the top of the housing. The lateral vibration module includes a first connecting rod, an ellipsoid, a first groove, and an annular electrode layer disposed on the sidewall of the first groove. The top of the first connecting rod is fixed to the bottom of the slider, and the ellipsoid is movably disposed within the first groove. The axial vibration module includes a second connecting rod, a ball head and a vibration column respectively connected to both ends of the second connecting rod, a second groove disposed on the bottom surface of the slider, a third groove disposed on the bottom of the housing, and an electrode layer disposed on the bottom of the third groove. The ball head is movably disposed within the second groove, and the vibration column is movably disposed within the third groove. A friction layer is provided on the bottom surface of the vibration column. This invention can improve the fault tolerance performance of the sensor, achieve vibration detection in harsh working conditions, and improve detection accuracy.

This invention discloses a method and apparatus for segmented control of a vehicle air supply unit based on pressure zoning, specifically relating to the field of vehicle air suspension technology. It provides pressurized air to the control and regulation module through a power supply module and a gas storage module, thus providing a power source for the vehicle. The compressed gas output from the power supply module is filtered for moisture by an air treatment module before entering the control and regulation module via pipelines. Finally, the control and regulation module internally regulates the airflow to form a unidirectional flow path. This invention allows for independent zoned pressure adjustment based on load, vehicle speed, and road conditions, resulting in a more stable vehicle posture, less body roll, and improved passability, while balancing ride comfort and driving safety.

This invention discloses a control system and method for an unmanned surface vessel (USV) DC variable speed generator set, belonging to the field of USV technology. The system includes a diesel engine, a rectifier generator, an energy-saving control unit, and an energy management unit. The diesel engine is connected to the generator to form a diesel generator set that supplies power to the load on the USV and is also signal-connected to the energy management unit. The energy management unit is signal-connected to the load and can obtain the load rate of the USV. The energy management unit is also signal-connected to the energy-saving control unit, enabling it to control the diesel generator set to start at a preset speed and preset output voltage, and to send the load rate and operating mode of the USV to the energy-saving control unit. The energy-saving control unit can set the diesel engine speed and the rectifier generator output voltage. This control system enables better matching of the generator set power and load rate on the USV, improving the operating economy of the USV.

The present application relates to a precast pile plug-in lock joint, comprising: an upper sleeve, a bottom end of which is provided with a plug rod, a bottom end of the plug rod is provided with a first connecting structure, an outer circumferential wall of the plug rod is provided with an outer lock piece capable of being elastically deformed in a radial direction, the outer lock piece is provided with a second connecting structure and a first combining surface; a lower sleeve, a top end of which is provided with an opening for inserting the plug rod, a bottom of the lower sleeve is provided with an inner lock piece capable of being elastically deformed in a radial direction, an inner wall of the inner lock piece is provided with a third connecting structure matched with the first connecting structure and a second combining surface matched with the first combining surface, and an inner wall of the lower sleeve is provided with a fourth connecting structure matched with the second connecting structure; after the plug rod is inserted into place, the first combining surface is attached to the second combining surface, so as to form double self-locking between the second connecting structure and the fourth connecting structure and between the third connecting structure and the first connecting structure when being pulled.

This invention discloses an electronic steering system, control method, and grader in the field of electronic steering control technology, aiming to solve the technical problems of poor redundancy and poor safety. It includes: a solenoid valve steering unit and an electronic steering unit (one hydraulic, one electric), which improves the control redundancy of the steering cylinder's steering stroke for the steering signal controller; a hydraulic steering pump and an electric steering pump (one hydraulic, one electric); and an intermediate valve connected to one of them to improve the power redundancy of the electronic steering system. The steering signal controller improves safety by judging the pressure of the intermediate valve and selecting the steering pump. When calculating the target steering angle, the interconnection, signal connection, and control relationship of the solenoid valve steering unit, electronic steering unit, steering signal controller, hydraulic steering pump, electric steering pump, and intermediate valve are interconnected, improving the safety and redundancy of controlling the steering stroke using the steering control device.

This application belongs to the field of aircraft structural design, and specifically relates to a landing gear emergency release mechanism and method with an interactive form of energy-based and mechanical unlocking. It includes an emergency unlocking actuator, a steel cable, an outer rocker arm, a triangular rocker arm, a locking key, and a locking strut. The piston rod of the emergency unlocking actuator is connected to the triangular rocker arm, and its bottom is connected to the fuselage structure. The steel cable is connected to the outer rocker arm, and the outer rocker arm is connected to the end of the triangular rocker arm. A second roller is provided on the triangular rocker arm. The locking key is connected to the locking strut. Both the emergency unlocking actuator and the outer rocker arm can drive the three-stage rocker arm to rotate. When the triangular rocker arm rotates at a certain angle, the second roller can push the locking key to rotate. When the locking key rotates, it can drive the locking strut to rotate. This mechanism achieves both the function of emergency landing gear unlocking using energy when energy is available and the function of unlocking the landing gear using a purely mechanical means when all energy is completely unavailable, thus enhancing the redundancy of the landing gear emergency release.

This invention relates to the field of intelligent manufacturing and scheduling optimization, specifically a dynamic scheduling system for an eyeglass frame production line. It includes modules for physical sensing, rheological control, disturbance prediction, deadlock assessment, and adaptive decision-making. The system calculates the rheological brittleness index and processing fluctuations based on process topology and raw material characteristics, assessing the deadlock risk under hard time windows. Its core is to dynamically generate entropy reduction or efficiency optimization instructions based on a comparison of risk probability and threshold. This invention quantifies the nonlinear attenuation caused by microscopic physical differences in materials, predicts delay risks in advance, and effectively eliminates scheduling deviations caused by raw material fluctuations.