12results about How to "Guaranteed redundancy" patented technology

A voltage measuring device may include a bus bar electrically connected to a first terminal and a second terminal of a battery cell, the bus bar extending in a first direction. The shunt resistor may be located on the bus bar and extend in a second direction crossing the first direction. The measurement unit is configured to measure a first voltage value applied to a first sub-region of the shunt resistor, and to measure a second voltage value applied to a second sub-region of the shunt resistor.

The invention discloses a parallel driving redundant communication system and method, and the system comprises a camera controller, an intelligent sensing concentrator, a vehicle-mounted network controller, an intelligent driving controller, a signaling server, a media server, and a parallel driving cabin. The intelligent sensing concentrator, the vehicle-mounted network controller and the intelligent driving controller are in communication connection. According to the invention, under the condition that the normal use of vehicle control is not influenced, the vehicle end can stably and reliably push the audio and video data stream, and meanwhile, when the network and the program are abnormal, the remote cabin can intervene in controlling the vehicle.

This utility model relates to the field of non-ferrous metal casting technology, and in particular to an aluminum alloy casting crystallizer. It solves the problems of existing technologies that lack an externally interconnected and independently adjustable dual-channel water inlet structure, resulting in reliance on two independent water sources for dual-supply systems, low system integration, complex piping, and inconvenient maintenance. An aluminum alloy casting crystallizer includes an aluminum alloy casting crystallizer body and two water inlet pipes located on the top of one side of the aluminum alloy casting crystallizer body. A water supply pipe is located on one side of the aluminum alloy casting crystallizer body, with a top pipe and a bottom pipe at one end. The bottom pipe is connected to the bottom of the top pipe via a connecting pipe. This utility model achieves dual-channel water supply from a single water source through the interconnected top and bottom pipes, improving integration. The on / off state can be controlled by adjusting a screw, allowing for independent opening and closing of the channels, facilitating maintenance and ensuring continuous production.

This invention discloses a crane winch descent energy recovery system and method, belonging to the field of hydraulic system control technology. It solves the problems of traditional gravitational potential energy recovery via accumulators, which result in throttling and heating, large accumulator size, pressure differential, and safety hazards. This recovery system includes a hydraulic pump, electric motor, battery, generator, engine, hydraulic motor, multi-way valve, flow control module, winch motor, and brake. The flow control module consists of a pressure compensation valve and a balance valve connected in series. During descent, the load drives the winch motor to reverse and output high-pressure oil, which drives the hydraulic motor to generate electricity and store it in the battery. During ascent, the battery powers the hydraulic pump, and the electrical energy can also be used for lighting and control systems. This invention replaces the accumulator with a battery, reducing size and extending pressure holding time; the flow control module ensures that the speed does not change with the load weight, but only with the current of the multi-way valve, improving the controllability of lifting speed.

The application belongs to the technical field of unmanned driving, and specifically discloses a mine area road waterlogging detection method based on fusion of vision and laser radar, which comprises the following steps: acquiring image data and performing waterlogging segmentation; acquiring point cloud data, removing non-waterlogging point cloud to obtain a first segmentation result, and performing segmentation according to waterlogging semantic segmentation labeling to obtain a second segmentation result, and fusing to obtain a waterlogging recognition result; judging whether the image confidence degree is qualified or not; extracting ground point cloud in the point cloud data and modeling to obtain a fitting plane, projecting the edge contour pixel data to the fitting plane to construct a point cloud convex hull contour, and recognizing the point cloud convex hull contour to obtain the waterlogging recognition result; and has the following advantages: the multi-sensor fusion sensing mode can effectively deal with the problems existing in the single-sensor sensing, and has higher real-time performance, robustness and high confidence degree.

A brake system (2) for a motor vehicle, comprising an electrically controllable pressure supply (6) and a pressure modulator (10) to which hydraulic wheel brakes (88, 92, 124, 128) are connected, the brake system further comprising a reservoir (80) for brake fluid, the electrically controllable pressure supply device (6) has a control regulating unit (60) which is connected at a signal input to the brake request device (20), the electrically controllable pressure supply device (6) being connected to the reservoir (80) via at least one equalization port (164, 168) in a stationary state.

The invention relates to the technical field of comprehensive monitoring of rail transit, in particular to a redundant FEP load balancing system and method for comprehensive monitoring of rail transit, mainly aims at improving a traditional main and standby architecture of a dual-machine redundant FEP, supports channel-level redundancy, and uses a dynamic programming algorithm to manage main and standby running states of a channel. The two FEPs have similar loads, system resources can be fully utilized, the operation efficiency is improved, the state machine designed by the invention ensures that the two FEPs operate in a load balancing mode under the condition that the two FEPs operate stably and the communication is normal, and the state machine is switched to a main / standby mode only when the connection is interrupted or the equipment is abnormal, so that the reliability of the state machine is improved. According to the method, load balancing in a normal scene can be guaranteed, redundant hot standby in an abnormal condition can be guaranteed, grouping calculation based on a dynamic programming algorithm can effectively and reasonably distribute each channel to two FEP machines according to the load size, and load balancing is achieved.

The utility model discloses a pickling derusting device, particularly relates to derusting technical field, including pickling tank, lifting plate and rotating subassembly, the top of pickling tank both ends is provided with lifting plate, the top of pickling tank close to lifting plate side is provided with rotating subassembly, and the both ends of rotating subassembly both are equipped with moving block, the moving block is equipped with the rotating subassembly. Adjusting blocks are arranged on the sides, close to each other, of the two moving blocks, and sliding pipes are rotationally connected to one ends of the bottoms of the moving blocks; screw rods are arranged between the two ends of the two lifting plates used for lifting, sliding blocks are rotationally connected to the outer walls of the screw rods, and the two ends of the tops of the sliding blocks are rotationally connected with rotating assemblies. The rotating assembly used for rotating comprises a first threaded rod and a second threaded rod. The lifting device has the advantages that the position can be conveniently adjusted to adapt to installation and placement of different strip steel and workpieces, and lifting placement and taking-out can be conveniently achieved in multiple modes.

The invention discloses a data analysis method and system for a barring result of a hydropower station, and relates to the field of computer data analysis, and the method comprises the steps: obtaining the state data of a barring in a preset time and the real-time state detection information of the barring; performing data analysis on the state data of the turning gear in the preset time to obtain a first data set, a second data set and a third data set; solving the first data set and the third data set through a preset first correlation model to obtain a first processing data set; solving the second data set and the third data set through a preset second correlation model to obtain a second processing data set; fusing the first processing data set and the second processing data set; and inputting the real-time state detection information of the jigger into the jigger state recognition model to obtain the adjustment feature information of the jigger. According to the method, data relevance of all parts of the unit is established, relevant data of all the parts of the unit during turning are read in real time, and the purpose of guiding maintenance and adjustment is achieved.

The invention discloses a residential district design stage total load analysis method and device adopting interval prediction and application. The method comprises the following steps: acquiring historical data of a plurality of residential districts in a set range near a new residential district, and taking the historical data as calculation data and input training sample data; obtaining time sequence load external characteristic power data according to the calculation data; determining maximum load data and time sequence equivalent load data through the time sequence load external characteristic power data, and taking the maximum load data and the time sequence equivalent load data as output training sample data; respectively constructing a multi-input single-output interval prediction model and a multi-input multi-output interval prediction model; training the prediction model by inputting and outputting training samples; inputting design data into the trained prediction model to obtain maximum load interval data and time sequence equivalent load interval data; and comparing the upper limit values of the two pieces of data, and taking the large value as the total load of the new residential district. Reasonable calculation load is obtained by using historical data, and the problem that an empirical method is too conservative is solved.

The application discloses a vehicle integrated lithium battery high-voltage power distribution system and a control method. The lithium battery high-voltage power distribution system comprises a high-voltage distribution box, a plurality of battery boxes and a connecting cable for connecting the high-voltage distribution box and the battery boxes and two groups of the battery boxes, which are stacked from top to bottom. The high-voltage distribution box is integrated with a control panel, a filter, a DCDC, a contactor, a fuse, a hard copper bar and a current sensor. The battery box is integrated with a BMS control box. The battery boxes are also connected with liquid cooling pipelines. The system effectively reduces the space occupied by the high-voltage power distribution system on the chassis by using the integrated design of the lithium battery high-voltage power supply and distribution system. By integrating multiple functional modules in one whole, the device layout and installation space are saved, the complexity of the system and the high-voltage cable wiring are reduced, the generalization and interchangeability of the lithium battery and the high-voltage power distribution system are improved, and the redundancy of the vehicle power supply and distribution system is ensured.

The present invention discloses a three-route optical line protection method based on OLP, which belongs to the field of optical line protection technology, including step 1, setting three optical fiber lines that are independent of each other in geographical location, each line is equipped with an optical fiber route; step 2, the OLP device is responsible for monitoring the operating parameter information of the three lines in operation, and analyzing the transmission quality of the main line according to the operating parameter information; step 3, determining the switching priority of the backup line according to the acquired operating parameter information and the environmental information of the optical fiber; step 4, selecting the best backup line for optical fiber transmission. The present invention analyzes the parameter information of the backup line during historical operation and the environmental information of the backup line to obtain the network transmission status value of the backup line, and selects the backup line with a smaller status value for priority switching, which can greatly improve the quality of data transmission, avoid the occurrence of data transmission interruption, and ensure the redundancy of the system.