26results about How to "Increase fuel consumption" patented technology

The invention relates to a low-altitude economic development form analysis method and system based on a high-density city, and the method comprises the steps: obtaining task address information and task type information of each aircraft, and carrying out the path planning in a preset airspace range according to the task address information and the task type information, obtaining flight path information of each aircraft; acquiring real-time traffic flow and airspace condition information in a preset airspace range, and performing real-time optimization adjustment on the flight path information according to the real-time traffic flow and the airspace condition information; monitoring the activities of the aircrafts in the airspace in real time, obtaining the flight information of each aircraft, and judging whether the corresponding aircraft has a flight violation condition or not according to the flight information; the flight task state is tracked and fed back in real time, the aircraft state and the equipment operation condition in the airspace are monitored, equipment alarm is triggered under the abnormal condition, and preset emergency treatment measures are taken. The method has the effect of improving the low-altitude aircraft management and control efficiency.

The embodiment of the present application provides a control method, a hybrid power system and a controller for a hybrid power system. The hybrid power system includes a through-shaft gear pump, the through-shaft gear pump includes a first input end and a second input end, the first input end is connected to the first branch, and the second input end is connected to the second branch. The method includes: when the first input end of the through-shaft gear pump is connected to the first branch, the first output torque of the engine and the remaining power of the power battery are obtained in real time; when the first output torque and the remaining power meet the first preset condition, the second input end of the through-shaft gear pump is controlled to be connected to the second branch; the second output torque of the motor is adjusted to change the first output torque to improve the fuel consumption rate of the engine. The present invention realizes flexible matching of motor models, effectively reduces costs, and realizes two-way power transmission from the engine and the motor to the through-shaft gear pump by introducing a through-shaft gear pump including two input ends.

The invention provides a portable energy-saving power supply and an operation control method thereof. The purposes of energy conservation, environmental protection and noise reduction of portable energy-saving power supply equipment are achieved. The internal combustion engine is coaxially connected with the permanent magnet synchronous generator, the generator is dragged to output three-phase alternating current, the three-phase alternating current is converted into direct-current voltage through the rectifying and filtering module, and stable voltage output is achieved. According to the power output load capacity, the microprocessor chip controls the stepping motor to achieve opening and closing and opening degree control of an accelerator and a choke valve, so that rotation speed control of an internal combustion engine and rotation speed control of a generator are achieved, and stable output of appropriate voltage and power is achieved. When the output voltage meets the requirement, the rechargeable storage battery is cut off through the relay, and the DC-DC power supply module is used for supplying power, so that the electric energy consumption of the rechargeable storage battery is reduced. If the voltage of the rechargeable storage battery is detected to be insufficient during the power supply period of the generator, the output circuit of the generator can be switched to be connected to the battery charging circuit, so that automatic charging of the rechargeable storage battery is realized.

The invention relates to the technical field of nuclear fuel, and particularly discloses a cooperative flow control high-reliability fuel assembly which comprises a lower pipe seat, a framework and an upper pipe seat which are sequentially arranged in the flowing direction of a coolant, and a fuel rod, a guide pipe and an instrument pipe which are inserted into the framework, the lower tube seat is a low-outlet transverse flow down tube seat; a plurality of axially bent space through slender runners with the width smaller than the distance between the fuel rods are arranged on the lower tube seat connecting plate; and a peripheral flow channel area outlet of the space through slender flow channel, which is positioned at the periphery of the lower tube seat connecting plate, is higher than a middle flow channel area outlet in the middle of the lower tube seat connecting plate, so that outlet transverse flow between assemblies is reduced. According to the invention, collaborative innovation design is carried out on the whole fuel assembly, and the high thermotechnical safety margin of the fuel assembly is guaranteed.

The present application relates to a method and system for analyzing the development forms of low-altitude economy based on high-density cities, the method comprising obtaining the mission address information and mission type information of each aircraft, and performing path planning within a preset airspace according to the mission address information and mission type information, and obtaining the flight path information of each aircraft; obtaining the real-time traffic flow and airspace status information within the preset airspace, and optimizing and adjusting the flight path information in real time according to the real-time traffic flow and airspace status information; real-time monitoring of aircraft activities within the airspace, obtaining the flight information of each aircraft, and judging whether the corresponding aircraft has any flight violations according to the flight information; real-time tracking and feedback of the flight mission status, and monitoring the aircraft status and equipment operation status within the airspace, triggering equipment alarms in the event of an abnormality and taking preset emergency treatment measures. The present application has the effect of improving the efficiency of low-altitude aircraft control.

The invention relates to a fan forward and reverse rotation control oil way and an excavator, and belongs to the technical field of fan forward and reverse rotation control. Comprising a heat dissipation pump, a reverse rotation control valve, a fan motor, a fan, a radiator and an oil tank, the heat dissipation pump is connected with the reverse rotation control valve, and a port A and a port B of the reverse rotation control valve are connected with a forward rotation oil port and a reverse rotation oil port respectively; the reverse rotation control valve comprises a forward and reverse rotation reversing electromagnetic valve, a back pressure control valve and a one-way valve; the reverse rotation control valve is connected with an oil inlet of the forward and reverse reversing electromagnetic valve through a first oil way, and a first working oil port and a second working oil port of the forward and reverse reversing electromagnetic valve are connected with a port A and a port B of the reverse rotation control valve respectively. An oil return opening of the forward and reverse reversing electromagnetic valve is connected with a T opening of the reverse control valve through a second oil way, and the back pressure control valve is arranged on the second oil way. In the reverse rotation switching process of the fan, the oil supplementing effect can be improved by increasing the oil return back pressure, and meanwhile rapid and safe speed reduction of the motor is achieved.

The invention discloses a driving regeneration control method, a driving regeneration control device, computer equipment and a storage medium. The driving regeneration control method comprises the steps that when an engine enters a driving regeneration mode, first time and second time are accumulated according to the carbon load in a particle catcher, the first time is the total timing time, the second time is the time when the temperature of the particle catcher is lower than the preset temperature within the first time, and the second time is the time when the temperature of the particle catcher is lower than the preset temperature within the first time; the preset temperature is lower than the regeneration temperature of the particle catcher; calculating the ratio of the second time to the first time to obtain a low-temperature regeneration proportion; according to the low-temperature regeneration proportion, the regeneration idle speed and the regeneration quit carbon loading capacity are determined, and the regeneration idle speed and the regeneration quit carbon loading capacity are both in positive correlation with the low-temperature regeneration proportion. According to the driving regeneration control method, driving regeneration can be quitted when the temperature in the DOC process is difficult to maintain at a high level, so that the fuel consumption of the whole vehicle is reduced.

The present application discloses an engine control method, device, equipment and storage medium, which belongs to the field of automobile control. The engine control method is applied to a hybrid vehicle, wherein the hybrid vehicle is a series hybrid vehicle, and specifically includes: obtaining the current state information of the vehicle; judging whether the current state information meets the preset conditions; if so, controlling the vehicle tank to stop supplying fuel to the engine. The present application achieves the technical effect of optimizing the comprehensive fuel consumption of hybrid vehicles.

The utility model discloses an SCR mixer and an engine aftertreatment device, and relates to the technical field of engine tail gas treatment. The urea and tail gas mixing device is used for mixing urea and tail gas to generate mixed gas and comprises a connecting shell and a barrel assembly connected into the connecting shell. The cylinder assembly comprises an air inlet cylinder and an air outlet cylinder which are distributed in the axial direction. The gas inlet cylinder is provided with a gas inlet for tail gas to enter, and the gas outlet cylinder is provided with a gas exhaust area for exhausting mixed gas; mixed gas only needs to enter the gas outlet cylinder through the axially-distributed gas inlet cylinder and is discharged through the gas outlet cylinder, and the mixed gas does not need to be discharged through an outer pipe, so that the back pressure of the gas is reduced, and the oil consumption is reduced; and moreover, a sleeved outer pipe is not arranged on the outer side of the cylinder body assembly, so that the manufacturing difficulty of centering is avoided, the structure is simplified, and the cost is reduced.

The invention discloses a secondary ignition circuit and method based on HCS08SG. The secondary ignition circuit comprises a power supply processing module, a signal processing module, an IGBT (Insulated Gate Bipolar Translator) driving module, a sampling module and an HCS08SG single chip microcomputer, wherein the power supply processing module is used for supplying power to the whole circuit; the signal processing module is connected between the ECU and the HCS08SG single-chip microcomputer and used for collecting ECU signals, processing the ECU signals and outputting the ECU signals to the HCS08SG single-chip microcomputer; the IGBT driving module is connected between the HCS08SG single chip microcomputer and an IGBT and is used for driving the IGBT to carry out first ignition and second ignition according to the control signal of the HCS08SG single chip microcomputer; the sampling module is connected between the HCS08SG single chip microcomputer and the IGBT and is used for detecting the primary current flowing through the IGBT and feeding back the detected current information to the HCS08SG single chip microcomputer; the HCS08SG single chip microcomputer is used for outputting a control signal to control the IGBT driving module to drive the IGBT to perform first ignition; after the first ignition, the HCS08SG single-chip microcomputer performs sampling detection at the emitting electrode of the IGBT through the sampling module; when it is detected that the primary current of the IGBT is reduced, the HCS08SG single-chip microcomputer delays for a certain time and then outputs a control signal to control the IGBT driving module to drive the IGBT to conduct secondary ignition. According to the invention, the ignition coil can perform secondary ignition, so that the ignition coil can still provide relatively high energy at a low rotating speed, fuel oil is combusted more sufficiently, the fuel oil combustion rate and ignition energy are improved, better power is provided, the ignition stability of an engine is maintained, and the oil consumption and emission performance of the engine are improved.

The utility model belongs to the field of ammonia-diesel oil dual-fuel engines, and discloses a nozzle cooling structure of a marine ammonia-diesel oil dual-fuel engine. Comprising an ammonia fuel injector, a conveying pipeline for conveying an injection object to the ammonia fuel injector and a diesel injector, in the ammonia fuel mode, an injection substance supplied to the ammonia fuel injector by the conveying pipeline is ammonia fuel; in the diesel oil mode, an injection object supplied to the ammonia fuel injector by the conveying pipeline is liquid which is used for refrigeration and does not react with ammonia gas and diesel oil and is used for refrigeration. The problem of nozzle dry burning of the ammonia fuel injector in a diesel oil mode is solved, and the service life is prolonged.

The present application provides a range extender cooling control method, device, terminal equipment and storage medium, which are applicable to the field of new energy vehicle technology. The method includes: obtaining mileage information, current power generation information, coolant temperature, and target mileage information; calculating the current average power generation according to the mileage information and the current power generation information; when the target mileage information is greater than zero, and the current average power generation is greater than the preset average power generation threshold, determining the cooling threshold interval information according to the mileage information, the preset high-temperature driving time threshold, the target mileage information, and the mileage information; cooling the range extender according to the cooling threshold interval information and the coolant temperature. The present application can identify the operating temperature rise state of the range extender in advance for different road conditions and perform heat dissipation treatment when the driver has a clear target mileage, thereby reducing fuel consumption and increasing system life.

The application discloses a kind of vehicle operating mode transfer planning methods for fuel consumption optimization, comprising: step 1: according to vehicle relevant test operating mode acquisition driving data;Step 2: each variable in the historical data obtained is filtered as different dimensions and is clustered into partitions;Step 3: according to the information extraction of each zone divided by cluster, the relationship and transfer cost of each zone are obtained from continuous operating mode data;Step 4: according to the relationship between each zone, the operating mode transfer directed graph is constructed, and all the minimum cost transfer paths between different initial and final regions are obtained;Step 5: according to the current operating mode and target operating mode information, the region selected by each operating mode in the path is selected as the same as the minimum cost path in step 4 as the optimal transfer path;The operating mode information in the historical data is divided into regions, then each region is regarded as a vertex in the directed graph, the transfer cost between regions is regarded as the distance between each vertex, and the vehicle operating mode transfer path planning is changed into the shortest path search of directed graph.

The invention discloses an intelligent control method for a multi-energy operation system, and relates to the technical field of multi-energy control, and the method comprises the steps: setting an integrated detection point in a hybrid vehicle through intelligent control of the multi-energy operation system, and generating a first data set and a second data set which comprise the data of a driving state, a driving environment, a fuel engine and a motor; the system analyzes the first data set and the second data set, extracts a driving state data set and a driving environment data set, calculates and obtains a driving state coefficient Ztxs and a driving environment coefficient Hjxs, performs correlation and summarization to form a comprehensive driving environment coefficient Xsxs, extracts data of a fuel engine and a motor, calculates a comprehensive energy operation coefficient Nyxs, and calculates the comprehensive energy operation coefficient Nyxs. The comprehensive energy control coefficient Kzxs is obtained through correlation calculation, a key basis is provided for intelligent energy management, intelligent adaptation and dynamic adjustment of complex conditions are achieved, and the performance and the energy utilization efficiency of the hybrid electric vehicle are remarkably improved.

The present application relates to a piston cooling device and an internal combustion engine, belonging to the technical field of piston cooling. The piston cooling device comprises a nozzle, an oil injection pipeline, the oil injection pipeline is connected with the nozzle, the oil injection pipeline is used to allow lubricating oil to cool the outside of the piston, and an oil cylinder, one end of the oil cylinder is connected with the oil injection pipeline, and the other end is used to communicate with the piston to cool the inside of the piston. The present application can inject cooling lubricating oil through the nozzle, cool the bottom of the piston through the oil injection pipeline, inject the cooling lubricating oil into the cooling oil channel in the piston through the plunger in the cylinder body, and cool the inside of the piston, so that both the inside and the outside of the piston can be cooled, thereby improving the cooling efficiency of the piston, avoiding insufficient cooling efficiency of the piston, resulting in reduced working efficiency and life of the piston, and avoiding the piston being deformed due to high temperature due to increasing heat load on the piston, thereby increasing the gap between the piston and the cylinder wall of the internal combustion engine cylinder.

This invention discloses a performance optimization method for a blade-tip jet hybrid propulsion system based on thermodynamic cycle planning, belonging to the field of aerospace hybrid propulsion technology. The method decomposes the design goals of high power-to-weight ratio and low fuel consumption of an aircraft propulsion system into optimization goals for the system's thermodynamic cycle parameters; identifies key parameters affecting cycle power and thermal efficiency, including compressor pressure ratio, turbine pressure ratio, rotor centrifugal pressure ratio, and blade-tip jet Mach number; collaboratively designs these strongly coupled key parameters and calculates system performance based on component models and energy conservation relationships; compares the calculated system power-to-weight ratio and fuel consumption with the optimization goals, and iteratively optimizes and adjusts component parameters until the optimization goals are met. This invention overcomes the limitations of traditional unidirectional engine design, achieving multi-level utilization and full recovery of system energy, and effectively solves the problem that traditional propulsion systems cannot simultaneously achieve high power-to-weight ratio and low fuel consumption.

The invention discloses a control method for effectively improving the hot delivery and hot charging efficiency of a thin-specification pickled plate, which comprises the following steps of: presetting two continuous casting machine division rolling production lines, namely a 2250 production line and a 1780 production line; the molten steel is conveyed to a continuous casting machine for casting, multi-furnace tapping is controlled through single casting, and a plate blank is obtained; the slabs are conveyed to a hot-rolled slab yard, the slab cutting time is dynamically tracked, if it is judged that the slabs can be loaded into a heating furnace within 4 hours, the slabs are firstly stacked in a stacking position in a concentrated mode and loaded into the heating furnace in batches, and if it is judged that the slabs can be loaded into the heating furnace within 4 hours, the slabs are firstly stacked in a slow cooling area in a concentrated mode; and the steel is charged into a heating furnace in batches within 10 hours, and a rolling plan of the steel tapping amount of the plate blank is arranged. The method can increase the charging temperature of the plate blank, shorten the heating time of the plate blank, reduce the fuel input for heating the plate blank and the fuel consumption per ton of steel, improve the rolling stability of the thin plate, reduce the steel scrap frequency and the rolling breaking rate, and reduce the manufacturing cost of the pickled plate.

The invention provides a motorcycle generating load adjusting system which comprises an engine rotating speed sensor, an accelerator sensor, a storage battery, a controller and a voltage stabilization control device, the voltage stabilization control device comprises a communication port, a power input port and a power output port, and the power input port and the power output port are electrically connected with the controller, a generator and the storage battery respectively; the voltage stabilization control device receives engine rotating speed information and accelerator opening degree information transmitted by the controller through the communication port, and converts an induction power supply generated by the generator into a charging power supply of the storage battery, and the charging power supply corresponds to a power generation load; when the voltage stabilization control device judges that the engine rotating speed information falls into a rotating speed interval and the starting speed of the accelerator opening degree information is larger than or equal to the threshold acceleration speed, the voltage stabilization control device reduces the charging power supply so as to reduce the power generation load.

Provided is a ferritic stainless steel having excellent high-temperature yield strength and excellent oxidation resistance. The steel sheet has a prescribed component composition, and the amount of solid-solution Nb is greater than 1.00 mass%.

This invention relates to the field of aviation technology, specifically to a fuel level monitoring and alarm method for civil aircraft based on ACARS and ADS-B. This method extracts the master flight path from historical ADS-B data, obtains real-time remaining fuel and historical fuel consumption for each flight phase using ACARS data, and calculates the estimated flight time by matching the current flight position with the master flight path. This allows for accurate estimation of remaining fuel at the destination airport, triggering an alarm when the remaining fuel falls below a set threshold. This invention eliminates reliance on airline computer plans and air traffic control flight plans, improves fuel level prediction accuracy by fusing historical and real-time data, reduces false alarms and missed alarms, and supports airports in developing ground support plans in advance. It is applicable to fuel level safety monitoring during civil aircraft flight.

According to the exhaust temperature control system, when first temperature information is larger than or equal to first preset temperature, the engine works in a first mode, a cylinder deactivation mechanism and a VGT supercharger work, and an EGR valve stops working; and the fuel oil pre-injection function and the fuel oil main injection function of the fuel oil injection mechanism are started, and the fuel oil post-injection function is stopped. And when the first temperature information is smaller than a first preset temperature, second temperature information of a second SCR is obtained, and when the second temperature information is smaller than a second preset temperature, the engine works in a second mode, the cylinder deactivation mechanism stops working, and the VGT supercharger and the EGR valve work. And the fuel oil pre-injection function, the fuel oil main injection function and the fuel oil rear injection function of the fuel oil injection mechanism are all started. Thus, in the first mode, fuel consumption of the engine can be improved, and in the second mode, rapid temperature rise is achieved, and generation of harmful emissions is reduced.

The embodiment of the invention discloses a novel oil pressure water jet propeller. The novel oil pressure water jet propeller comprises a control system and a propelling structure. The control host can control the two sets of hydraulic pumps to alternately operate in a non-intermittent mode, when the piston rod extends outwards to drive the pressurizing piston to compress the space in the pressurizing cavity, water is rapidly pressed into the water jetting pipe through the water jetting one-way valve, and the piston rod contracts inwards to drive the pressurizing piston to move, so that the space in the pressurizing cavity is enlarged, and the internal pressure is reduced; water enters the pressurizing cavity through the water inlet pipe and the water inlet one-way valve, and due to the fact that the first hydraulic cylinder and the second hydraulic cylinder alternately work, the water can be continuously injected into the water injection pipe and then is injected outwards through the connecting pipe and the water injection head, and the ship is pushed to sail through counter-acting force. The propelling structure is simple, a ship can be driven to sail through cooperation of the hydraulic cylinder, the one-way valve and the pressurizing cavity, the propeller cannot generate large oil consumption at a low speed, and the overall structure is simple and convenient to maintain and repair.

This invention discloses a control method for a piston cooling spray hook, relating to engine control technology. The method involves acquiring the engine's oil pressure and temperature, and combining these to obtain a first oil flow requirement for the oil pump. A second oil flow rate for the piston cooling spray hook is calibrated based on the engine's real-time throttle opening, and the change in oil flow rate of the piston cooling spray hook is obtained based on the change in the second oil flow rate. This change in oil flow rate is then superimposed on the first oil flow requirement to obtain a target flow requirement. Finally, the oil pump is controlled to output an oil flow rate consistent with the target flow requirement. This invention achieves coordinated control of the oil pump flow rate and the piston cooling spray hook flow rate, ensuring lubrication and cooling functions are met under high loads, while reducing oil flow rate and decreasing the driving power of the oil pump under low loads.

This floating body is provided with: a floating main body; an absorption tank which is provided to the floating main body, and in which an absorbent liquid that is capable of absorbing ammonia is retained; an atmosphere release line which is capable of releasing the vapor phase fraction within the absorption tank to the atmosphere; an ammonia introduction unit which guides the ammonia in the floating main body to the absorbent liquid; and a solubility adjustment unit which is capable of adjusting the solubility of ammonia in the absorbent liquid.

The invention discloses a vehicle fuel saving method, device and equipment and a storage medium, and the method comprises the steps: carrying out the normalization and iteration processing of the obtained actual road spectrum information through a simulation calculation model GRU, so as to predict the road spectrum information at a future moment; and performing dynamic planning reverse optimization solution on the road spectrum information to obtain a control signal with optimal oil consumption on the global driving road section. According to the method, the global energy consumption of the vehicle can be optimal, the fuel economy of the vehicle is improved, and then the purposes of saving oil and reducing consumption are achieved.

A combined gas turbine engine and hydrogen fuel cell system comprises a hydrogen fuelled gas turbine engine (203), a cryogenic liquid hydrogen fuel tank (104), a first fuel offtake (220) configured and arranged to divert a portion of hydrogen fuel from a main fuel conduit (217), a burner (222) configured and arranged to burn the portion of hydrogen fuel diverted from the main fuel conduit (217), a heat exchanger (224) configured and arranged to transfer heat from exhaust gasses produced by the burner (222) to hydrogen fuel in the main fuel conduit (217), a second fuel offtake (262) arranged to divert a portion of hydrogen fuel from the main fuel conduit (217) downstream of the heat exchanger (224), and a hydrogen fuel cell (260) configured and arranged to produce electric power using hydrogen fuel diverted from the second fuel offtake (262).