58results about How to "Achieve a reasonable match" patented technology

The invention relates to a two-way dynamic-static pressure mixture lubrication thrust bearing. Aiming to solve the problems of low accuracy and poor operating stability in an existing high-speed and heavy-load extreme working condition, the invention provides the two-way dynamic-static pressure mixture lubrication thrust bearing. The two-way dynamic-static mixture lubrication thrust bearing comprises a dynamic-static pressure oil pad, a circular machine tool base and a rotary workbench, wherein the rotary workbench is arranged right above the dynamic-static pressure oil pad; the circular machine tool base is arranged under the dynamic-static pressure oil pad; wedges are arranged on the dynamic-static pressure oil pad of the two-way dynamic-static pressure mixture lubrication thrust bearing and are arranged in two inner sides of the circumferential direction of an oil sealing edge. The two-way dynamic-static pressure mixture lubrication thrust bearing is applied to the field of high-speed and heavy-load machine tool workbenches.

The invention provides a normalizing control method for producing low-temperature high-magnetic-induction oriented silicon steel. The method comprises the steps that the components of the applicable steel comprise, by weight, 3.0%-3.35% of Si, 0.045%-0.065% of C, 0.0220%-0.0320% of Als, 0.080%-0.090% of Mn, 0.005%-0.010% of S, 0.006%-0.010% of N, 0.014%-0.015% of Cu, 0.040%-0.042% of Sn and less than 0.25% of Cr and Ni; smelting and continuous casting are performed on the steel to form a blank; two-stage normalizing is performed after hot rolling is performed; a P1.1 / 50 value of the steel plate is detected, and whether the value is larger than or equal to alpha and smaller than or equal to beta is judged; timing rolling is performed; decarburizing annealing and nitriding annealing are performed; the subsequent procedures such as magnesium oxide annealing separant coating are performed. According to the normalizing control method, normalizing temperature setting is performed through the relation between the iron loss value P1.1 / 50 of the low-temperature Hi-B steel normalizing plate and the temperature of the normalizing thermal treatment high-temperature-section steel plate to enable the P1.1 / 50 value of Als normalizing coils to be controlled within a needed P1.1 / 50 range, and therefore the product with the good magnetism is obtained.

The invention relates to a high-pressure water-sand jet-flow paint remover for a plastic fender guard of an automobile. The high-pressure water-sand jet-flow paint remover comprises an electric control module, a high-pressure water jet-flow generation module, a sand mixing module, a jetting module, a workpiece loading module, a sewage collection treating module and a filtering module, wherein one end of the high-pressure water jet-flow generation module is connected with a filtering module, the other end of the high-pressure water jet-flow generation module is connected with the sand mixing module, one end of the jetting module is connected with the sand mixing module, the other end of the jetting module is connected with the workpiece loading module, one end of the sewage collection treating module is connected with the workpiece loading module, the other end of the sewage collection treating module is connected with the filtering module, and the electric control module is respectively connected with the sewage collection treating module, the sand mixing module, the jetting module and the sewage collection treating module and is used for outputting a control signal. The high-pressure water-sand jet-flow paint remover disclosed by the invention has the advantages of simple operation process, high paint removing efficiency, good effect, small labor strength, low cleaning cost and small environment pollution, and is suitable for paint removing operations of large-batch fender guards or other waste structural assemblies.

The invention discloses a system and method for calibrating the external characteristic of an electronic control diesel engine for a loader. The system comprises the engine, a hydraulic torque converter, a gearbox and a drive axle which are sequentially connected through a transmission shaft. The hydraulic torque converter is connected with a steering pump and a work pump of the loader through a gear transmission system. Collected rotating speed and torque signals are transmitted to a data collection system through a sensor set. Collected parameters are transmitted to a data processing system to be analyzed through the data collection system. An analysis result is transmitted to a calibration computer. A calibration result is written in an ECU of an engine electronic control system through the calibration computer. When a test is carried out, the calibration computer controls the rotating speed of the engine through the ECU, and test automation is achieved. From the actual work condition of the loader, the actually consumed torque of a hydraulic pump in the shoveling and loading process of different materials is tested, an external characteristic curve of the engine is calibrated by adjusting the parameters of the engine, and the diesel engine for the loader is made to work in a low-oil-consumption area under different work conditions.

The invention discloses a distributed multi-source complementary miniature biomass power generation system. The system comprises a biomass gasification unit, a solar-energy steam unit and a gas turbine unit. The solar-energy steam unit utilizes solar energy to heat water and further to generate steam, the biomass gasification unit utilizes steam to gasify biomass and further generate combustion gas, and the gas turbine unit utilizes the combustion gas to generate electricity, and also recovers tail-gas waste heat of a gas turbine and helps to improve the heat efficiency of the system. According to the technical scheme, the advantages of our country rural abundant renewable energy solar energy and biomass energy, solar energy heat supply and biomass gasification are organically combined, on the one hand, problems of energy shortage and environment pollution caused by usage of conventional fossil energy are solved, and on the other hand, distributed type multi-source complementary power generation of renewable energy is realized, and the electric power supply instable problem caused by single energy power supply applied to rural and remote areas is solved.

The invention discloses a multistage air deep dehumidification device for ultra-low dew point environments. The multistage air deep dehumidification device comprises a first fan, a primary efficiencyfilter, a medium efficiency filter and a first surface air cooler which are sequentially arranged in the outdoor fresh air direction and further comprises a solution dehumidification system, a first fresh air branch circuit, a second fresh air branch circuit, a third fresh air branch circuit, a first air returning branch circuit and a second air returning branch circuit which are arranged behind the first surface air cooler. A cold and heat source of a solution dehumidification cycle is provided by an independent vapor-compression-type refrigeration cycle, a regenerative heat source of two-stage rotary-wheel dehumidification uses condensation heat of another vapor-compression-type refrigeration cycle, and meanwhile shortage of the condensation heat is compensated in an electric heating mode. The evaporative cooling capacity of the vapor-compression-type refrigeration cycles is provided for an air-evaporator to cool air. After treating through the device, the humidity content of the fedair can be lowered to 0.01 g / kg.

The invention provides a visual monitoring method and system for the heat supply network data of a heating station heat supply area. The method comprises the following steps that: collecting the monitoring data of the fixing monitoring point of a heat-supply pipe network in each heating station heat supply area in an appointed area; taking each piece of collected monitoring data as the heat supplynetwork data of the corresponding heating station heat supply area; according to a preset first mapping relationship, obtaining an identification color corresponding to the heat supply network data of each heating station heat supply area, wherein the first mapping relationship comprises a corresponding relationship between the numerical value range of the heat supply network data and the identification color; and according to the obtained identification color, independently identifying the corresponding boundary graph of each heating station heat supply area in a heat supply heat supply network graph. By use of the method, management personnel can conveniently and visually know the working condition of the heat supply network and carry out regulation and control according to the workingcondition of the heat supply network, energy waste is reduced so as to be favorable for energy saving and emission reduction, in addition, the comprehensive monitoring of a thermodynamic system is realized, and therefore, heat supply service quality is favorably provided.

The invention discloses a detachable multi-position ultrasonic bone strength instrument, comprising an ultrasonic probe box and a detachable probe module, wherein multiple ultrasonic probes with different frequencies and different sizes are mounted in the ultrasonic probe box, the detachable probe module comprises a clamping device and a force sensor, the clamping device is used for mounting the ultrasonic probes, the force sensor is used for detecting the contact force between the ultrasonic probes and a measured position, the output port of the detachable probe module is connected with an integrated signal acquisition and processing module through a signal wire, and the integrated signal acquisition and processing module is in bidirectional connection with a man-machine interaction module. According to the detachable multi-position ultrasonic bone strength instrument, corresponding ultrasonic probes are mounted according to different to-be-measured positions of a human body, the center frequency and the size of each ultrasonic probe are set according to the specific measured position of the human body, so that the ultrasonic probes are matched with the measured positions reasonably, one bone strength instrument can simultaneously detect the bone strength of multiple positions of the human body, and the measurement result can indicate the overall bone strength of the human body more accurately.

The invention relates to a natural fragment warhead fragment quality and quantity distribution prediction simulation calculation method, which comprises the steps of calculating a unit length correction Payman fragmentation parameter Cu, and calculating characteristic constant A and B values by utilizing a linear relationship between Cu and C / M; dividing the warhead into n units according to the longitudinal half-sectional drawing of the warhead and geometrical characteristics; calculating the metal mass Mi and the explosive mass Ci of each unit; calculating the ratio of the explosive mass Cito the metal mass Mi of each unit, substituting the value into the known Cu = A + B * (C / M), and calculating the unit length correction Payman crushing parameter Cui of each unit; calculating the taper angle of each unit according to the size of each unit; correcting the Payman crushing parameters corrected by the unit length of each unit to obtain corrected Cui '; wherein Cui'of each unit is multiplied by the length of each unit to obtain a corrected Payman fragmentation parameter Coi of each unit, calculating fragment mass and quantity distribution of each unit, and adding fragment mass andquantity of all the units in the same mass range to obtain fragment mass and quantity distribution of the whole warhead.

The invention provides an assembly sealing ring of a transitional section of an aircraft engine and a manufacturing and assembling method and relates to a rubber sealing product and a manufacturing and assembling method. The technical scheme that techniques of designing, manufacturing and assembling of a rubber sealing ring body are combined is adopted; and three sections of rubber sealing strip butt joints, with V-shaped cross sections and longitudinal radians being consistent with the radian of the curved surface of the outer cylindrical wall of the transitional section, of a cloth-insert framework layer of the sealing ring adhere to the outer cylindrical wall for secondary clamping and fixing. The cloth-insert framework layer is a polyester fiber cloth. The rubber is the saturated butyronitrile rubber. Each butt joint is a ring-shaped sealing ring formed through two-time sulfuration cross-linking of the transitional section and a butt joint thin clamped cloth sheet rubber clamped and coated by a mould special for butt joints. Compared with the prior art, the overall properties including the ring strong force, tear resistance, high temperature resistance, abrasion resistance, ageing resistance, the service life and the like of the sealing ring are obviously improved. The butt joint portion is subjected to sulfuration under pressure on the whole, and thus compactness and connecting strong force are improved. The purpose that the service life is reasonably matched with the maintenance period of the aircraft engine is achieved.

Aiming to solve the problems that a hearth of gas-fired heat power equipment is not uniformly heated, the local heating surface of the hearth is overheated and subjected to burning loss, and the like, the invention provides a fire barrel type gas burner, which can be structurally divided into two parts, including an air intake and distribution device at the front part and a tubular combustion chamber at the rear part, wherein the air intake and distribution device at the front part includes a center combustion air passage, an annular fuel gas passage and an injection air passage which are coaxial and arranged sequentially from inside to outside; and the tubular combustion chamber at the rear part is a steel barrel provided with an opened tail part on the whole. The fire barrel type gas burner has the advantages that the center combustion air introduced in a forced manner improves the ability of the gas-fired equipment in jetting the outside air, and the overall excess air factor of the gas-fired equipment can be controlled through adjusting the combustion air introduced from the center in a forced manner; and the shape of the gas flame can be effectively controlled through the length and the pipe diameter of the tubular combustion chamber, so that the tubular combustion chamber is reasonably matched with the hearth space, and the problems that the hearth is not uniformly heated, the local part of the hearth is overheated and subjected to burning loss and the like are solved.

A method for sequencing webpage information display positions belongs to the technical field of Internet. According to the method, user click rate data of different display positions of a same webpage within a certain time is collected by means of a monitoring program; data purification is carried out on the collected historical click rate; a historic click rate expectation value is calculated by means of a time sequence; current value of display positions is estimated according to the expectation value; then different display positions of a website is sequenced from top to bottom according to the current estimation value. By means of the method of the invention, the webpage layout design can be optimized; the information display position value and sequencing are reasonably matched; the website resource utilization and platform effectiveness are increased.

The invention discloses a power control system of a hybrid heavy duty truck with a super capacitor. The system comprises an engine, a generator, a rectifier, an inverter, a motor controller and a motor which are sequentially connected, a storage battery and a first bidirectional DC-DC converter which are sequentially connected, a super capacitor and a second bidirectional DC-DC converter which aresequentially connected, a battery capacitance control unit, a signal acquisition unit, a triaxial gyroscope, a GPS positioning device and a power controller. Based on the control system, the invention further discloses a power control method of the hybrid heavy duty truck with the super capacitor, the road conditions on which heavy duty trucks frequently travel are related to super capacitor charging and discharging, so that the reasonable power matching is realized, the power performance, fuel economy and emission performance of the hybrid heavy duty truck are improved, the service life of the storage battery is prolonged, the energy recovery and utilization are realized, and the energy is fully saved.

The invention discloses a distributed MEMS phase shifter based on a MAM capacitor, and the MEMS phase shifter comprises a substrate, a central conductor, a silicon nitride film layer, an MEMS metal bridge, a metal plate A, a metal plate B, a grounding plate A and a grounding plate B. The structures of the metal plate A and the metal plate B are identical. The structures of the grounding plate A and the grounding plate B are identical. The distributed MEMS phase shifter utilizes the equivalent circuit mode for configuration for obtaining a mechanical structure, and the mechanical structure is a structure body with a certain length, width and thickness of 1mum-3mum produced by adopting the copper bonding process on the substrate. The MEMS phase shifter has low requirements on the regulation precision of the pull-down height of the MEMS metal bridge, and the phase filter with easy control of phase shift precision and stable mechanical performance can be obtained just by carrying out the structural optimization on the metal plates.

The invention relates to a D-shaped cross section Zig-Zig channel compact heat exchanger. The Zig-Zig channel compact heat exchanger comprises a cold fluid inflow and outflow port, a hot fluid inflowand outflow port and a heat exchange core, wherein the heat exchange core comprises a cold side plate and a hot side plate which are made from a titanium or titanium alloy material, multiple parallelZig-Zig channels provided with D-shaped cross sections and used for a fluid to pass through are etched on the cold side plate and the hot side plate respectively, the cold side plate and the hot sideplate are parallel, are alternatively arranged in an overlapped mode and are connected through a diffusion welding technology to form a whole, the cold side plate and the hot side plate are differentin thickness, the cold side Zig-Zig channels and the hot side Zig-Zig channels are different in cross section area, and the cold side Zig-Zig channels and the hot side Zig-Zig channels are different in rib width. The D-shaped cross section Zig-Zig channel compact heat exchanger has the characteristics of a high temperature and pressure resistant and corrosion resistant severe environment. The effective utilization rate of plate piece area is improved, and the compactness of channel arrangement is improved. The channel resistance loss is reduced, and the whole heat exchange performance is improved remarkably.

The invention discloses a solar high-temperature thermochemical gasification reactor. The reactor mainly comprises a black body cavity, a reaction chamber, a flow guiding column, a gas guide pipe, a solid guide pipe, servomotors and the like. By using the reactor, solar energy can be more efficiently used for driving solid hydrocarbon fuels such as coal, biomass and the like to be subjected to gasifying reaction and independently completing processes such as preheating, pyrolyzing, gasifying and the like contained by the gasifying reaction, so that the conversion of the solar energy to high-quality synthetic gas can be realized, and the current problems of high solar energy storage difficulty, poor renewable energy source conveying stability and the like are solved.

An embodiment of the invention discloses a material detecting method for a food processor. The method includes determining a target material quantity and a target water quantity according to a food processing function and a processing capacity selected by a user; detecting an water injecting quantity between every two adjacent liquid levels sequentially within one or more corresponding liquid level ranges contained in the processing capacity and judging the material quantity of materials in a crushing cavity between the two adjacent liquid levels according to the water injecting quantity between the two adjacent liquid levels and the liquid level difference between the two adjacent liquid levels; accumulating the material quantity of the materials between every two adjacent liquid levels and judging whether the accumulated material quantity reaches the target material quantity when the total water injecting quantity reaches the target water quantity. The method solves the safety problems of unsatisfactory pulping effect and overflowing paste caused by over-proof feeding of the materials into the existing food processor.

The invention relates to a spray head for a self-rotating jet drill bit with a speed loss-preventing device. The spray head comprises a rotary spray head and the speed loss-preventing device of the spray head. The rotary spray head comprises a rotary spray head body, a flow guide cavity is formed in the rotary spray head body, a plurality of rock breaking spray holes are formed in the front end, aplurality of chamfering spray holes are formed in the middle, and a plurality of crushing spray holes are formed in the back part. The loss-preventing device of the spray head comprises a porous control shell. The back part of the porous control shell is of a cylindrical structure, the middle part of the porous control shell is an expanded part, the diameter of which is increased gradually, fromthe cylindrical structure forward, and the front part of the porous control shell stretches forward from the expanded part and surrounds the back part of the rotary spray head body. The spray head issimple in structure and simple to operate and maintain, can overcome the problems of rotary speed loss of the spray head and uncontrollable grain sizes of rock waste of an existing self-rotating jet drill bit effectively, exerts multi-spray hole combined screening and rock breaking action of the self-rotating jet drill bit fully, and improves the drilling efficiency and the drilling length.

Bidirectional dynamic and static pressure mixed lubrication thrust bearing. The invention relates to a bidirectional dynamic and static pressure mixed lubrication thrust bearing. The present invention is to solve the current problems of low precision and poor operating stability under high-speed and heavy-load extreme working conditions, and provides a two-way dynamic and static pressure hybrid lubricated thrust bearing. A two-way dynamic and static pressure mixed lubrication thrust bearing includes a dynamic and static pressure oil pad, a circular machine tool base and a rotating worktable; a rotating worktable is located directly above the dynamic and static pressure oil pad, and a circular machine tool is located directly below the dynamic and static pressure oil pad. The base; the dynamic and static pressure oil pad of the two-way dynamic and static pressure mixed lubrication thrust bearing also includes a wedge shape; the wedge shape is arranged on the inside of both circumferential sides of the oil sealing edge. The invention is applied in the field of high-speed and heavy-load machine tool worktables.

The invention discloses an online customer service management system and method. The online customer service management system comprises an out-of-group distribution unit for automatically distributing customers to corresponding customer service groups according to a predetermined distribution policy; an intra-band distribution unit for further distributing the customers distributed to the customer service group to the customer services in the customer service group; a customer service robot unit at least comprising an automatic monitoring module for monitoring the service process of the customer service. Through the online customer service system and method provided by the invention, a large number of customer query requests can be efficiently and quickly processed, and the precise and efficient customer service can be provided; furthermore, the high quality of the customer service is ensured by real-time monitoring the service process of the customer service, the loss of the potential customers caused by the low service quality of the customer service is avoided, and the customer conversion percent is improved.

The invention discloses a shear fork type aerial work platform with a movable hinge point. The shear fork type aerial work platform comprises a platform structure and a hinge point control system, wherein the platform structure comprises an operation platform, a movable guide rail, a lifting oil cylinder, a lifting displacement sensor, the movable hinge point, a hinge point oil cylinder, a hinge point displacement sensor and a shear fork mechanism; the hinge point control system comprises a control module, an electromagnetic reversing valve, an electro-hydraulic proportional valve and a pressure oil source. According to the shear fork type aerial work platform with the movable hinge point, the position of the movable hinge point is regulated and controlled in real time, it can be guaranteed that the lifting oil cylinder is in a reasonable stress state all the time in the lifting process of the aerial work platform, and safety of the working state of the aerial work platform is guaranteed through the locking function of a valve set.

The invention belongs to the precise ultra-precision machining field and specifically relates to an ultra-precise honing device. The device comprises a machine tool body, a honing device, an ELID electrolysis shaping and dressing device, an online detection device and a control device which are mutually connected; when the ELID electrolysis shaping and dressing device and the ultrasonic honing device are subjected to composite honing, electrolysis dressing for a honing oilstone is realized at the same time; a honing tool is arranged in the honing device; the honing oilstone is fixedly arranged on the honing tool; and an oxide film is arranged or formed on the surface of the honing oilstone. The ultra-precise honing device has high-efficiency and high-precision honing processing to so as to avoid scuffing and burning the honing surface and be beneficial to improving the precision and quality of the honing surface.

The invention discloses a vibration and noise reduction material and a preparation method thereof, and belongs to the technical field of materials. The vibration and noise reduction material comprises, by weight, 65-75 parts of chlorinated butyl rubber, 25-35 parts of natural rubber, 35-45 parts of polyisobutene, 10-40 parts of hyperbranched silicone oil, 10-20 parts of a plasticizer, 20-30 parts of a weighting agent, 5-8 parts of a reinforcing agent, 30-60 parts of a flame retardant, 2-4 parts of a vulcanizing agent, 2-3 parts of an accelerant and 3-5 parts of a deodorant. The vibration and noise reduction material can be used for a long time in a wide temperature domain and a frequency domain, has a high damping characteristic in the wide temperature domain and a high sound insulation characteristic in the wide frequency domain, and can effectively reduce the vibration level and the noise magnitude in a cabin when being applied to a cabin wall interlayer part.

The invention belongs to the technical field of crawler transmission and particularly relates to a hydro-mechanical compound multi-power flow transmission device. The hydro-mechanical compound multi-power flow transmission device comprises five planetary lines, six hydraulic units, an axial plunger pump motor, six spiral bevel gears, thirty two straight gears, four brakes and three clutches. The hydro-mechanical compound multi-power flow transmission device achieves hydro-mechanical compound steering, double stepless speed control output, six forward gears and three reverse gears, wherein every gear achieves a function of stepless rotating speed and torque adjusted output to achieve stepless rotating speed and torque adjustment for assisting power output. The hydro-mechanical compound multi-power flow transmission device is applicable to large-tonnage crawlers with longitudinal arrangement of an engine and rear arrangement and driving a power assembly.

The invention discloses a measuring system and method for determining the position of a burst center of a warhead through a wireless sensor network. One or more network units are connected with a relay node through wireless communication, the relay node is connected with a remote monitoring interaction terminal through wireless communication, each network unit comprises an aggregation node and three or more sensor nodes, and information transmission is achieved in a multi-hop transmission mode. The position of the explosion center is calculated through the explosion pressure information according to a node positioning calculation method; the robustness and fault tolerance of the algorithm are considered, errors caused by inaccurate signals can be reduced, and interference of the external environment can be resisted; the sensor nodes only undertake low-complexity tasks of self-positioning and signal acquisition and transmission, so that the energy consumption is reduced, and the life cycle of the whole network is prolonged; the aggregation node sends the information to a remote monitoring interaction terminal in a high-power mode, the accurate position of an explosion center is solved, and reasonable matching of node computing power and energy supply and mutual balance of precision and energy consumption are achieved.

The invention provides a grid processing method for a basin complex terrain. Through the method, standard, reasonable and simple processing of grids of the complex terrain can be realized. The methodis characterized by comprising (1) a grid processing method for confluence of trunk streams and tributaries, wherein a riverway relation within a research range is recognized, trunk riverway parts andbranch riverway parts are divided, and a riverway is segmented; two-dimensional grids of the trunk streams and the tributaries within a basin range are drawn respectively according to river reaches,two-dimensional grid data of each river reach is obtained, then splicing positions are judged according to a terrain trend and an adjacent relation at the confluence, and smooth splicing of the gridsat the confluence of the trunk streams and the tributaries is realized; (2) a grid processing method for a sharp contraction position of the riverway; (3) a grid processing method for a gourd-shaped position of the riverway; and (4) a grid processing method for right-angle Ox Ear Lake confluence with branches, wherein local T-shaped grids are drawn for the grids within the research range for mutual splicing.

The invention belongs to the technical field of crawler vehicle transmission, and specifically relates to a hydraulic-hydraulic-mechanical composite multi-power flow transmission device, which includes: five planetary rows, six hydraulic components, one axial plunger conjoined pump motor, six screw Bevel gears, thirty-two spur gears, four brakes and three clutches; the present invention realizes hydraulic pressure, hydraulic compound steering, two stepless speed regulation outputs, and realizes six forward gears and three reverse gears, each All gears have the function of stepless adjustment of the output speed and torque, which realizes the stepless adjustment of the speed and torque of the auxiliary power output. The invention is suitable for longitudinally arranged engines, rear-mounted rear-drive powertrains, and large-tonnage crawler vehicles.

The invention provides a welding process for a low-activation martensitic steel and 316L stainless steel dissimilar steel joint. The welding process comprises a preparation procedure before welding, a welding procedure and process parameters, and a welding heat treatment procedure. The welding process provided by the invention is low in cost, high in welding efficiency, high in process stability and reliability, and capable of reducing linear energy, controlling the fusion ratio of a welding seam, and obtaining a qualified welded joint; and welding seam performance meets the needs of high-temperature strength and high-temperature operation condition.

The invention provides a coordinated control method for energy saving and emission reduction of intelligent driving vehicles. The method first collects the distance and relative speed signals ahead, and obtains road information of future road sections through the collection of high-precision map information, and comprehensively utilizes the above information to save energy. The goal is to plan the speed of the intelligent cruise driving vehicle, realize the control of the driving torque of the vehicle, and aim at reducing emissions, and use the power demand torque under the energy-saving goal to adjust the throttle opening, EGR opening and ignition advance angle. Control to achieve the minimum emission effect of nitrogen oxides, and finally realize the coordinated control of predictive energy saving and emission reduction of vehicles under intelligent driving. The invention integrates the traditional energy-saving and emission-reduction technology of the automobile industry and the multi-source information brought by intelligence, and reasonably matches the relationship between the vehicle's power transmission system, vehicle motion and road conditions, while satisfying adaptive cruise driving To achieve the purpose of energy saving and emission reduction.