10results about How to "Improve energy performance" patented technology

The invention belongs to the technical field of solid propellants, and particularly relates to a propellant containing active metal fuel and a preparation method of the propellant. 3.0-4.0% of a plasticizer; 0.3-0.4% of a curing agent; 0.1%-2.0% of a combustion rate regulator; 0.01%-0.5% of a bonding agent; 15-19% of an active metal fuel; 10-18% of a nitramine explosive; the metal fuel is an aluminum-gallium metal alloy, and the aluminum-gallium metal alloy is an aluminum-gallium metal alloy of which the outer layer is coated with an aluminum film. The propellant provided by the invention has the advantage of high combustion efficiency, and can meet the requirement of a solid rocket engine on the high energy performance of the propellant.

The application discloses an industrial continuous production method and system of low-deuterium water, and the method is as follows: after pretreatment, raw water enters a tower group formed by a plurality of rectifying towers in series for separation, deuterated water is enriched in a liquid phase, and low-deuterium water is enriched in a vapor phase. The extracted high-purity low-deuterium water vapor is pressurized by a compressor and then condensed in a reboiler to release heat and drive the rectifying process, and meanwhile, part of the condensed low-deuterium water is extracted as a product, and part of the condensed low-deuterium water is returned to the rectifying tower as reflux liquid. The tower top vapor and the tower bottom liquid flow cross each other between the towers to form a closed loop or a cascade circulation. The application realizes continuous and stable production of low-deuterium water with a deuterium content reduced by 1-3 orders of magnitude by using a full heat pump rectifying method, and the low-deuterium water is easy to be popularized in industry.

The application discloses a kind of transmit power control methods of Wi-Fi equipment.Step S1: Wi-Fi equipment calculates A1-T, called first difference value.If |A1-T|≥step, and A1-T>0, enter step S2.If |A1-T|≥step, and A1-T<0, enter step S3.If |A1-T|<step, let second difference value=A1-T, enter step S4.Step S2: the output value "radio frequency gain" is moved by one or more lines as a whole;A2-T calculated based on Nd is called second difference value;then enter step S4.Step S3: the output value "radio frequency gain" is moved by one or more lines as a whole;A2-T calculated based on Nu is called second difference value;then enter step S4.Step S4: if the absolute value of second difference value≥tolerable error range, Wi-Fi equipment adjusts the digital gain of transmit chain digital front end DFE, so that A3-T is as close to zero as possible.The application ensures the timeliness and compensation accuracy of the transmit power adjustment of Wi-Fi equipment.

The application discloses a model inference acceleration method, system, device and medium of a vehicle-mounted edge device, the method comprising: by analyzing the inference task request and dynamically hot loading the model weight, mapping the pre-filling stage and the decoding stage to different CUDA streams for parallel processing, and introducing a forced preemption mechanism to ensure the real-time performance of high-priority tasks. Through paging memory management and KV Cache hierarchical replacement strategy, the memory resources are optimized, and combined with power consumption monitoring and bottom layer hardware instruction set optimization, the technical problems of low resource utilization, high-priority task delay and excessive power consumption of the existing vehicle-mounted edge device in multi-task concurrency are solved. The application can effectively improve the inference throughput and system stability of the model in the vehicle-mounted edge device, solve the technical problems of low resource utilization, high-priority task delay and excessive power consumption of the existing vehicle-mounted edge device in multi-task concurrency, and is suitable for complex computing scenarios of intelligent vehicles.

The application relates to an electric vehicle heat pump type heat storage system and a control method, and relates to the technical field of new energy vehicle heat energy management. The system comprises an energy storage module, a front end heat exchanger of which is connected to an electric vehicle heat pump system through a heat storage pipeline, the state of the energy storage module comprises a heat storage mode, a heat release mode and a static mode; a control module is used for judging the state of the energy storage module and sending a control signal; and an execution module is used for responding to the control signal and switching the state of the energy storage module. The application has the effects of making the transportation and storage of heat more free and improving the energy consumption performance of the whole vehicle.

The application provides a high-density server room dynamic temperature control system based on temperature-humidity-airflow velocity cooperative control, comprising a heat distribution map construction module, which is used for periodically collecting temperature correlation data in the server room, and generating a dynamic heat distribution map of the server room based on the collected temperature correlation data and a physical model of the server room; the temperature correlation data comprises real-time temperature data, relative humidity data and airflow velocity data; a risk area analysis and identification module, which is used for comparing and analyzing the three-dimensional dynamic heat distribution map of the server room with a preset temperature safety threshold, and obtaining two-level heat density risk areas; a region determination and factor calculation module, which calculates a heat density risk influence factor of a region needing intervention adjustment for eliminating the identified risks and preventing potential risks. The application uses a ladder type adjustment mechanism combined with closed-loop feedback control, avoids excessive adjustment and system oscillation, and further optimizes energy consumption performance.

The utility model provides a kind of vehicle inner top decorative part lap joint structure, comprising: decorative plate main body, the lap joint subassembly is provided on the decorative plate main body, the inside of the decorative plate main body is provided with heat barrier component;Compared with prior art, the utility model has the beneficial effects as follows: by setting heat barrier component, significantly reduce the temperature rise caused by summer sunlight direct, improve driving comfort and reduce air conditioning load to reduce energy consumption, while its heat insulation performance can also reduce the heat loss in car, it is helpful to maintain the stable temperature in car in winter, to improve overall energy efficiency performance, by setting lap joint subassembly, utilize the screw of outside and firmly connect decorative plate main body with car body, improve overall stability and durability, secondly, the exposure of screw is covered by decorative plate, avoid exposed screw to affect interior decoration aesthetic property.

The invention relates to the technical field of robot control, and discloses a robot control method and device for an industrial pipeline, and the method comprises the steps: calculating a motion and posture coefficient based on a pitch angle, a roll angle, a motion speed and a motion acceleration of a robot; calculating an external force coefficient based on the cable dragging force and the operation counter-acting force; calculating a working condition attachment matching degree based on the instantaneous slip rate and the temperature under the motion and attitude coefficient and the external force coefficient; calculating a geometric coefficient of the pipeline based on the inner diameter, the bending radius and the inner local obstacle height of the pipeline; and based on the working condition attachment matching degree and the pipeline geometric coefficient, the target supporting arm pressing force is calculated, and the current supporting arm pressing force is adjusted to a target value. Through multi-source information fusion, the attachment state of the robot and the pipe wall and the geometric condition of the pipeline are dynamically evaluated, self-adaptive adjustment of the pressing force of the supporting arm is achieved, and the movement stability, passing ability and operation reliability of the robot in the complex pipeline environment are effectively improved.

The application discloses a heat transfer composition and a preparation method and application thereof. According to the total mass of the composition, the mass proportions of a first component, trans-1,3,3,3-tetrafluoropropene and difluoromethane are x%, y% and z% respectively, the first component is 2,3,3,3-tetrafluoropropene and 1,1-difluoroethane, the proportions (x, y, z) of the three are located in a ternary phase diagram, the x coordinate of point A is 23.6%, the x coordinate of point B is 90.0%, the coordinates of points on the curve segment AB are (x, 70.06-0.6395x-0.001538x 2 , 29.94-0.3605x+0.001538x 2 ), and the coordinates of point C are (77.6, 0, 22.4). The composition has a GWP of not more than 150 and a flammability level of A2L, is a low-global-warming-potential, high-refrigeration / heat-efficiency and low-flammability heat transfer composition for replacing propane, and is suitable for refrigeration / heat application.

The present application relates to propellant technical field, specifically disclose a kind of quick response hydrocarbon propellant and its preparation method, by mass percentage includes composite hydrocarbon fuel: 26~40%;Oxidant: 30~35%;Metal fuel: 8~15%;Binder: 18~23%;Process aid: 0.1~1.6%;Binder is the combination of butadiene rubber and polybutadiene.This hydrocarbon propellant uses butadiene rubber with melting temperature of 80 DEG C as binder matrix and uses liquid PB with molecular weight of 2000~2500 as auxiliary binder, ensure propellant mixing process performance, improve the bonding performance between hydrocarbon fuel system and binder, improve the mechanical properties of propellant;And the present application uses non-polyurethane binder system, solves the problem that polyurethane curing system is cured by environmental humidity, and propellant strength is less affected by environment.