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1087 results about "Energy recycling" patented technology

Energy recycling is the energy recovery process of utilizing energy that would normally be wasted, usually by converting it into electricity or thermal energy. Undertaken at manufacturing facilities, power plants, and large institutions such as hospitals and universities, it significantly increases efficiency, thereby reducing energy costs and greenhouse gas pollution simultaneously. The process is noted for its potential to mitigate global warming profitably. This work is usually done in the form of combined heat and power (also called cogeneration) or waste heat recovery.

Multi-mode energy recovery optimization control system of hybrid electric vehicle

The invention discloses a multi-mode energy recovery optimization control system of a hybrid electric vehicle, and relates to the technical field of energy recovery control. The state sensing module is integrated with a sensor to collect vehicle speed, acceleration, battery state and road condition signals, and data accuracy is ensured through Kalman filtering fusion; the driving mode recognition module is used for recognizing modes such as urban congestion and high-speed cruise through an algorithm based on driving behaviors and road conditions; the energy recovery strategy decision module is used for dynamically adjusting recovery priorities and parameters according to different modes, and balancing efficiency and smoothness; the power distribution execution module converts and stores energy through cooperative control of double clutches and a gearbox, and is linked with an ABS (Anti-lock Brake System) to guarantee safety; and the feedback module is optimized in real time, battery and motor states are monitored, strategies are dynamically corrected, and efficiency and component protection are both considered. The energy recovery efficiency is improved, the driving smoothness and the braking safety are improved, the system adapts to multiple scenes, the service life of the battery is prolonged, and the performance of the hybrid electric vehicle is comprehensively improved.
Owner:ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG

Hydrogen cooling superconducting flywheel composite energy storage system

The invention discloses a hydrogen cooling superconductive flywheel composite energy storage system, which relates to the technical field of new energy storage and comprises a superconductive flywheel energy storage module, a lithium battery energy storage module, a power conversion module, an intelligent control module, a cooling sub-module and a hydrogen energy recovery module, by combining the quick response characteristic of the superconducting flywheel and the high energy density of the lithium battery, the superconducting flywheel can realize quick energy storage and release by utilizing the friction-free characteristic of the superconducting flywheel, a cooling sub-module and a hydrogen energy recovery module are used, the cooling requirement of the superconducting flywheel is ensured, and meanwhile, energy recovery can be carried out; by utilizing the characteristic of high energy density of the hydrogen battery, the energy storage capacity of the composite energy storage system is further improved, and the limitation of a single energy storage technology on power density and energy density can be effectively solved through the hybrid energy storage system; and more reliable and efficient energy storage support is provided for the fields of power grid peak regulation, renewable energy source grid connection, electric automobiles and the like.
Owner:刘文杰

Energy-saving control method and system for electric wheel dump truck based on braking energy recovery

The invention discloses an electric wheel dumper energy-saving control method and system based on braking energy recovery, and relates to the field of electric vehicle energy-saving control, and the method comprises the steps: calculating an energy fluctuation value through collecting wheel rotation speed deceleration, building a cross-cycle energy accumulation curve, and generating an energy prediction feature map; establishing a double-loop energy mapping relation according to the energy prediction feature map, dividing the double-loop energy mapping relation into a quick response path and an optimization calculation path, and outputting a time-sharing braking strategy; the torque switching process is compensated, and a smooth braking instruction is output; generating a segmented charging power curve in combination with the maximum allowable charging power; carrying out segmented adjustment on the charging current to generate a charging control signal and calculating real-time charging conversion efficiency; and the charging conversion efficiency value is distributed to the dual paths according to the time weight, and the time-sharing braking strategy is adjusted. By establishing a double-loop control strategy of braking energy prediction and charging efficiency optimization, the energy recovery efficiency is improved, and collaborative optimization of the braking and charging processes is realized.
Owner:XIANGTAN KAIYUAN ELECTROMECHANICAL MFG CO LTD

Vehicle energy recovery control method and device, medium and vehicle

The embodiment of the invention provides a vehicle energy recovery control method and device, a medium and a vehicle, and relates to the technical field of brake control. The method comprises the steps that a braking request of a target vehicle is responded, and current braking judgment parameters of the target vehicle are obtained; under the condition that it is determined that the target vehicle meets the preset energy recovery condition based on the current braking judgment parameters, the vehicle operation parameters are input into an intelligent decision-making model, and a braking force distribution strategy result is obtained; based on the braking force distribution strategy result, braking control is conducted on a motor control system and a braking system; the motor control system is used for providing regenerative braking force and generating recovery energy suitable for supplementing energy to the power battery. According to the embodiment of the invention, the vehicle operation parameters collected in real time are input into the self-adaptive adjustment intelligent decision-making model, and the braking force distribution strategy suitable for the current operation condition can be output, so that the accuracy and adaptability of braking force distribution are effectively improved.
Owner:CHINA FAW CO LTD

Bidirectional DC-DC energy feedback system based on multi-source integration and control method thereof

The invention provides a bidirectional DC-DC energy feedback system based on multi-source integration and a control method thereof, and relates to the technical field of energy recovery. The system comprises an input source module used for obtaining multiple input sources; the bidirectional DC-DC power conversion module is adaptively connected to the input source module and the energy storage power grid interface module so as to realize bidirectional controllable transmission of energy; the multi-source energy management module is used for being adaptively connected with the control unit, inputting real-time data acquired by the sensor network into the AI optimization unit for dynamic parameter adjustment and then transmitting the real-time data to the control unit; the control unit is integrated with a digital signal processor DSP and an FPGA; the DSP is used for executing a dynamic control strategy; the FPGA is used for generating a high-frequency PWM driving signal; and the energy storage power grid interface module is used for realizing standardized power interaction between load ends. The energy utilization efficiency can be improved, harmonic pollution can be reduced, the dynamic response capability can be enhanced, and the method is suitable for new energy automobile braking energy recovery, renewable energy source storage and industrial test equipment scenes.
Owner:HUAQIAO UNIVERSITY

Retarding braking method and device, vehicle control unit and vehicle

The invention provides a retarding braking method and device, a vehicle control unit and a vehicle, and can be applied to the technical field of vehicle braking. The method comprises the steps that under the condition that it is determined that a vehicle enters a long downhill working condition, driving data of the vehicle are collected; determining a required braking force required by the vehicle based on the driving data; based on the battery SOC of the vehicle, a corresponding retarding braking strategy is determined and executed; wherein the retarding braking strategy is used for distributing respective target braking force of an electric driving system and a hydraulic retarding system in the vehicle, so that the braking force output by the vehicle is consistent with the required braking force. The corresponding retarding braking strategy is executed according to the SOC condition of the battery of the vehicle, the braking force of the electric driving system and the braking force of the hydraulic retarding system in the vehicle are dynamically distributed, and the energy recovery efficiency and the braking safety performance of the vehicle are both considered.
Owner:HUNAN XINGBIDA NETLINK TECH CO LTD

Vehicle circuit system with reverse charging function

The invention relates to the technical field of automobile charging, and particularly discloses a vehicle circuit system with a reverse charging function, comprising a main battery pack; the bidirectional inverter is electrically connected to the main battery pack and is configured to convert external alternating current into direct current to charge the main battery pack in a charging mode and convert the direct current of the main battery pack into alternating current to be output in a discharging mode; the charging control module is connected to the output end of the bidirectional inverter and used for processing input / output electric energy of different specifications; the multifunctional output interface comprises at least one alternating current interface and a direct current interface; and the system control unit, the integrated current detection module, the temperature monitoring module and the fault diagnosis module are respectively in communication connection with the bidirectional inverter, the charging control module and the output interface through a CAN bus. The vehicle power battery can reversely supply power to external equipment or other vehicles, meanwhile, the conventional charging function and the energy recycling function are compatible, and the method is suitable for new energy vehicles, hybrid electric vehicles and other scenes.
Owner:GUANGDONG HULI TECH CO LTD

System and method for classified sewage treatment

The invention discloses a system and a method for classified sewage treatment, and belongs to the technical field of environmental engineering and water treatment. The system comprises the following components: an intelligent water quality detection module, which is used for real-time and accurate monitoring of COD, BOD, ammonia nitrogen, total phosphorus, suspended matter concentration and heavy metal content; the sectional bioreactor realizes deep removal of nitrogen and phosphorus and efficient biological treatment by flexibly adjusting reaction conditions of each section; the intelligent flocculation control module is used for automatically and accurately adjusting the adding amount of a flocculating agent, and is combined with integrated operation of efficient inclined tube precipitation and sludge concentration, so that the water quality of discharged water is stable, and the medicament consumption is reduced; the ultrafiltration membrane bioreactor effectively removes residual suspended matters and colloids, and ensures that the effluent stably reaches the standard for a long time through the synergistic effect of catalytic ozonation; and the sludge treatment module is used for realizing collaborative optimization management of sludge reduction, recycling and energy recycling.
Owner:HEBEI BOTOU WATER CO LTD

Isolated switching converter with energy recycling and control method thereof

A control circuit for an isolated switching converter having a transformer with a primary winding and a secondary winding, a primary switch, a secondary switch and an energy recycle branch. The energy recycle branch has a clamp capacitor, an auxiliary switch and a first resistor connected in series between a first terminal and a second terminal of the primary winding. The auxiliary switch has a first electrode coupled to the clamp capacitor and a second electrode coupled to the first resistor. The control circuit decreases a voltage difference between a control electrode and the second electrode of the auxiliary switch during a discharging process of the clamp capacitor based on a current sense signal representative of a current flowing through the energy recycle branch.
Owner:CHENGDU MONOLITHIC POWER SYST

Continuous hot-pressing equipment for producing three-in-one outdoor jacket

The invention provides continuous hot-pressing equipment for producing a three-in-one outdoor jacket, which belongs to the technical field of outdoor jacket production and comprises a preheating conveying mechanism, a hot-pressing mechanism and a waste heat recovery mechanism. The preheating conveying mechanism pre-irons the outdoor jacket through a conveying belt and a high-temperature roller, and is matched with the airflow clothes opening assembly to automatically separate clothes bodies through upper and lower air suction nozzles and sleeve the clothes bodies to a clothes body opening rod, so that automatic operation is realized; the hot-pressing mechanism completes the compounding of multiple layers of materials through a hot-pressing plate with precise temperature control and an electric air cylinder; the waste heat recovery mechanism collects 180 DEG C hot air generated by hot pressing, heat is transferred to the roller through the water tank and the heat conducting plate, and energy recycling is achieved. The problems that in the prior art, an integral hot pressing plate is high in energy consumption, heat distribution is not flexible, waste gas is directly discharged, and manual sleeving efficiency is low are solved.
Owner:JIANGSU YIWEI CLOTHING TECH CO LTD

Automobile start-stop system management method based on intelligent control

The invention relates to the technical field of automobile power system control, in particular to an automobile start-stop system management method based on intelligent control, which comprises the following steps: S1, a multi-mode environment sensing system; s2, a deep reinforcement learning decision framework; s3, hierarchical cooperative control execution; s4, a real-time health assessment system; s5, a cloud collaborative optimization mechanism; through intelligent start-stop strategy optimization and energy recovery management, under the urban congestion working condition, compared with a traditional start-stop system, the method can further reduce oil consumption by 15-20%; and under the comprehensive working condition, the oil consumption can be reduced by 8-12%. The fuel consumption cost of the vehicle is reduced, the development trend of global energy conservation and emission reduction is also met, and important economic and environmental significance is achieved.
Owner:HUBEI FENGLIN RENEWAL RESOURCE CO LTD

Energy-saving waste incineration flue gas purification device and purification process

The invention discloses an energy-saving type waste incineration flue gas purification device and a purification process. According to the energy-saving type waste incineration flue gas purification device, through combination of the incinerator, the waste heat boiler, the dust removal device, the SCR device, the GGH device and the like, multi-stage purification and energy recovery of flue gas are achieved. And through the arrangement of the dry method device and the SNCR device in the furnace, preliminary deacidification and denitration can be conducted in the incineration process, and the burden of follow-up treatment is reduced. The condensation heat exchanger is introduced, so that sensible heat and latent heat in the flue gas are further utilized, the energy utilization efficiency is improved, and the energy consumption is reduced. According to the invention, the contradiction between heating for denitration and cooling for deacidification is solved, the waste heat of the flue gas is recovered, and heat is transferred to the SCR in a coupling manner; pollutants are efficiently removed, ultralow emission is achieved, latent heat and sensible heat of flue gas are fully utilized, and the energy utilization rate is effectively increased.
Owner:HALO ZHICHUANG ENVIRONMENTAL PROTECTION EQUIPMENT (JIANGSU) CO LTD +1

Solar charging battery car

The solar charging battery car comprises a car body, a car frame, a front wheel, a rear wheel, a seat, a driving motor, an energy storage system, a control system and a stand column, a first photovoltaic panel and a second photovoltaic panel are symmetrically and fixedly installed on the left side and the right side of the stand column at the front end of the car body, and the included angle between the installation face of the first photovoltaic panel and the installation face of the second photovoltaic panel and the advancing direction of the car body is 30-60 degrees; a self-cleaning nano coating covers the surface, and the light transmittance is greater than or equal to 90%; a storage box is arranged at the front end of the vehicle body, the top of the storage box is movably connected with a third photovoltaic panel through a hinge, and an adjustable angle of 0-180 degrees is formed between the third photovoltaic panel and the plane of the top of the storage box when the third photovoltaic panel is unfolded. Therefore, the solar charging battery car adopts multi-photovoltaic-panel three-dimensional layout and dynamic adjustment, the unfolded power generation area is larger than or equal to 1.5 m < 2 >, a self-cleaning coating is arranged, the power generation efficiency is high, the super capacitor and the main battery are managed in a grading mode, the endurance is prolonged by combining downhill energy recovery, the photovoltaic panels are folded during driving, the width of the whole car is smaller than or equal to 45 cm, the whole car meets the standard, and the solar charging battery car has the characteristics of IP67 water resistance and the like and is suitable for outdoors.
Owner:林庆仁

Control method of cooperative energy feedback suspension system

The invention discloses a control method of a cooperative energy feedback suspension system, and belongs to the technical field of vehicle suspension systems, and the control method comprises the following steps: S01, information acquisition; s02, road condition judgment; s03, performing disconnection control on the stabilizer bar; s04, connecting and controlling the stabilizer bar; s05, energy recovery and output control; s06, carrying out smoothness control; and S07, performing dynamic adjustment. The method has the beneficial effects that by intelligently judging the vehicle driving state and the road condition, connection and disconnection of the active stabilizer bar and energy recovery and output strategies of the shock absorber and the active stabilizer bar are flexibly controlled according to different working conditions. Under various complex working conditions such as turning, hollowing and bumping, the system can efficiently recover energy, the application range of energy recovery is remarkably expanded, the total energy recovery amount is increased, then the endurance mileage of a battery is prolonged, and the problems that in the prior art, the energy recovery efficiency is low, and the application range is limited are solved.
Owner:CHANGZHOU INST OF TECH

Heat pump unit with energy recovery function

The invention discloses a heat pump unit with an energy recovery function, and belongs to the technical field of heat pumps, the heat pump unit comprises a machine shell, a heat circulation mechanism, a fan, a condensation box and a waste heat recovery box are arranged in the machine shell, and a circulation conveying mechanism and a driving mechanism are arranged on one side of the waste heat recovery box; the circulating conveying mechanism comprises a compression box and a piston plate; the driving mechanism comprises a driving motor, a driving shaft, a guide rail and a rotating shaft. By integrating the heat circulation mechanism, the waste heat recycling box and the circulation conveying mechanism, the energy utilization efficiency is remarkably improved, in the operation process of the heat pump unit, the compressor compresses a low-temperature and low-pressure gas-state refrigerant into high-temperature and high-pressure gas, the condenser transmits heat to water in the condensation box, and therefore the heat pump unit is cooled. Meanwhile, a waste heat recovery box further recovers residual heat of the refrigerant, gradient utilization of energy is achieved, a fan enhances air circulation and improves heat exchange efficiency, and a temperature sensor and a controller dynamically adjust system operation parameters to ensure that the temperature of hot water is stable.
Owner:JIANGSU KECHENG ENERGY SAVING TECH CO LTD

Vehicle control method and device, vehicle and storage medium

The invention provides a vehicle control method and device, a vehicle and a storage medium, the method is applied to the technical field of hybrid power control, and the method comprises the steps that under the condition that it is determined that a first motor of the vehicle has a fault, current state parameters related to vehicle running are obtained, and the first motor of the vehicle is determined to have a fault based on the current state parameters; and whether the vehicle is in the target working condition or not is judged, and under the condition that the vehicle is determined to be in the target working condition, the second motor is controlled to conduct energy recovery so as to charge a power battery of the vehicle through energy recovered by the second motor. According to the method, under the condition that the first motor for charging the power battery breaks down, the second motor is controlled to conduct energy recovery, the power battery is charged through the energy recovered by the second motor, and power shortage of the power battery is avoided.
Owner:GREAT WALL MOTOR CO LTD

Low-energy-consumption fused salt micro-channel heat exchanger performance test platform supporting long-time operation

The utility model provides a low-energy-consumption fused salt micro-channel heat exchanger performance testing platform supporting long-time operation. The platform comprises a fused salt loop, a steam loop and a heat conduction oil heat storage loop. Wherein the steam loop can perform primary steam energy recovery, is led out from a steam side outlet of a tested fused salt micro-channel heat exchanger, is sequentially connected with a steam pipeline of the fused salt preheater, a steam pipeline of the steam-water-oil heat exchanger and the steam-water electric heater, and then is connected into a steam side inlet of the tested fused salt micro-channel heat exchanger; wherein the fused salt preheater is connected to a pipeline between a low-temperature fused salt tank and a high-temperature fused salt tank in the fused salt loop, and recycled steam energy is used for heating low-temperature fused salt; the heat conduction oil heat storage loop can conduct secondary energy recovery, and residual steam energy in the steam-water-oil heat exchanger is further recovered into heat conduction oil. According to the test platform, high-temperature steam energy discharged by the test platform can be fully recycled and utilized, and long-time operation of the test platform is realized while energy waste is reduced.
Owner:POWERCHINA RENEWABLE ENERGY CO LTD +1

Sustainability evaluation method and system for sustainable aviation fuel

The invention discloses a sustainability evaluation method and system for continuous aviation fuel, and relates to the technical field of high-efficiency energy-saving engineering evaluation service. The method comprises the following steps: acquiring carbon footprint data of a sustainable aviation fuel SAF in raw material acquisition, product production, transportation and use stages, and constructing a full-life-cycle carbon footprint dynamic model and a distributed carbon footprint database in combination with an LCA industry database; updating the carbon emission factor in real time, and calculating the carbon emission result of the SAF in combination with the process parameters of each manufacturing process; determining environmental income deduction of waste regeneration, landfill treatment and energy recovery by adopting a regeneration cycle carbon emission allocation algorithm; and generating a sustainability evaluation report including a fossil source, a biological source, land utilization change, resource consumption intensity and a waste treatment environmental effect according to the environmental income deduction and carbon emission result. According to the method and the device, the integrity and the accuracy of the sustainability evaluation of the SAF are improved.
Owner:CIVIL AVIATION INSTITUTE 2 (CHENGDU) SUSTAINABLE AVIATION FUEL TECHNOLOGY CO LTD

Efficient and energy-saving magnesium-based solid hydrogen storage device

The utility model relates to a high-efficiency and energy-saving magnesium-based solid hydrogen storage device which comprises a hydrogen storage tank, a magnesium-based solid hydrogen storage device and a hydrogen storage device, the phase change heat storage modules are all placed in the hydrogen storage tank and are arranged at intervals, so that a containing space is formed between every two adjacent phase change heat storage modules; the plurality of magnesium cake hydrogen storage modules are in one-to-one correspondence with the accommodating spaces and are filled in the corresponding accommodating spaces; each phase change heat storage module is filled with a phase change material, heat released when the magnesium cake hydrogen storage module absorbs hydrogen is stored through the phase change materials, and therefore heat energy is supplied when the magnesium cake hydrogen storage module releases hydrogen. By arranging the phase change heat storage module, direct heat exchange can be conducted, heat released in the magnesium cake hydrogen absorption process can be recycled in time, heat can be released when the magnesium cake hydrogen storage module releases hydrogen, and therefore energy recycling and reusing are achieved, the heat exchange efficiency is improved, energy waste is avoided, and high efficiency and energy saving are achieved.
Owner:江苏华镁时代科技有限公司

Temperature control power generation device, seat and vehicle

The invention relates to a temperature control power generation device, a seat and a vehicle, and the temperature control power generation device is used for being connected with an external power supply and comprises an energy storage device, an energy conversion assembly and a mode switching device. The energy storage device is used for storing and releasing energy, and the energy conversion assembly is connected with the energy storage device and an external power supply. The mode switching device is connected with the energy conversion assembly, the energy storage device and an external power supply, and the mode switching device is used for conducting the energy conversion assembly and the energy storage device, so that the energy conversion assembly converts heat energy into electric energy and charges the energy storage device. Or the mode switching device is used for conducting the energy conversion assembly and the external power supply, so that the energy conversion assembly absorbs heat or releases heat based on the electric energy provided by the external power supply. According to the temperature control power generation device, the mode switching device is utilized, so that the temperature control power generation device can achieve the temperature control effect, energy recycling can be achieved, heat energy is converted into electric energy, the energy storage device is charged, and energy waste is reduced.
Owner:BYD CO LTD

Cooperative braking control method and device based on road adhesion coefficient and energy recovery

The invention relates to a cooperative braking control method and device based on a road adhesion coefficient and energy recovery. The method comprises the steps that vehicle state parameters of a current control period are obtained, and the vehicle state parameters comprise the vehicle longitudinal speed, the vehicle transverse speed, the vehicle yaw velocity and the angular velocity of each wheel; a preset prediction model is solved according to the vehicle state parameters and the constraint conditions, and the control quantity of each wheel in the next control period is obtained; wherein the prediction model takes closer actual longitudinal speed to expected longitudinal speed, maximization of regenerated energy, stable change of controlled quantity and convergence of slip rate of each wheel as targets, and the constraint conditions comprise a wheel constraint condition, a motor hydraulic system constraint condition, a battery charging power constraint condition and a braking force constraint condition. The wheel constraint condition is related to the road adhesion coefficient corresponding to each wheel. By the adoption of the method, the energy recovery efficiency can be maximized, and the stability and safety of the vehicle are guaranteed.
Owner:TSINGHUA UNIVERSITY

Excavator energy recovery method, equipment and medium

The embodiment of the invention discloses an excavator energy recovery method, equipment and a medium, belongs to the technical field of excavator regulation and control, and solves the problem of serious energy waste during rotation starting and rotation braking of an excavator. Comprising the steps of determining whether an excavator is in a rotation starting state or a rotation braking state based on excavator operation information; in the rotation starting state, according to the bucket adduction pilot pressure and / or the bucket rod adduction pilot pressure, adduction required energy is determined, and a rotation starting energy recovery strategy is matched based on the rotation motor pressure, the rotation starting motor overflow flow and the adduction required energy; and in the rotary braking state, according to the bucket eversion pilot pressure and / or the bucket rod eversion pilot pressure, eversion demand energy is determined, and the recycled energy is allocated based on the rotary motor pressure, the rotary braking motor overflow flow and the eversion demand energy.
Owner:WEICHAI POWER CO LTD

Air compression station safe energy-saving power utilization system driven by air floating shaft

The invention discloses a safe and energy-saving power utilization system of an air compression station driven by an air floating shaft, and relates to the technical field of air compression stations, operating parameters of all equipment in the air compression station are monitored in real time through a data acquisition module, the operating state of an air compressor can be adjusted through a variable frequency driving module according to the real-time air utilization requirement, unnecessary energy consumption is avoided, and the power utilization efficiency of the air compression station is improved. The pressure of a pipe network is monitored through a pressure sensor, the output air pressure of an air compressor is controlled within the optimal range, and energy waste caused by too high pressure is avoided; waste heat generated in the operation process of the air compressor is recycled through the energy recycling module, and the energy requirements of other links are reduced; when the multiple air compressors operate through the linkage control module, the system automatically distributes loads, it is ensured that each device operates in an efficient interval, and the loads are balanced; a protection mechanism is automatically triggered through the safety protection module under an abnormal condition, so that the safety of equipment and personnel is effectively ensured; and the control strategy of the control center ensures that the air compression station equipment is always kept stable in the operation process.
Owner:GUANGDONG XINZHUAN ENERGY SAVING TECH CO LTD

Vehicle driving mode determination method and device, electronic equipment and storage medium

The invention discloses a vehicle driving mode determination method and device, electronic equipment and a storage medium, and relates to the technical field of vehicle intelligent driving. The method for determining the vehicle driving mode comprises the steps that the remaining electric quantity of a vehicle battery pack at the current moment and navigation data of a vehicle at the current moment are obtained, and the navigation data comprise the remaining mileage of the vehicle from a destination at the current moment; determining the pure electric endurance mileage of the vehicle at the current moment based on the residual electric quantity of the battery pack at the current moment; and determining a target driving mode of the vehicle and an energy recovery level corresponding to the target driving mode based on the remaining mileage and the pure electric endurance mileage. According to the embodiment provided by the invention, accurate switching of the driving modes is realized, and the energy consumption and the production cost of the vehicle are reduced.
Owner:VOYAH AUTOMOBILE TECH CO LTD

Regenerative braking energy recovery method combining dynamic planning and model predictive control

The invention discloses a regenerative braking energy recovery method combining dynamic planning and model predictive control, which relates to the technical field of vehicle energy conservation, and comprises the following steps: establishing a dynamic model of a vehicle braking process, performing global energy recovery optimization based on dynamic planning, generating a global optimal reference trajectory, and adopting model predictive control rolling optimization. The reference trajectory is tracked to maximize energy recovery efficiency. According to the method, global optimum is guaranteed through dynamic planning, and meanwhile, the energy recovery efficiency of the regenerative braking process is improved by utilizing model predictive control.
Owner:HANGZHOU DIANZI UNIV

Electric bicycle state monitoring method based on sensor fusion

The invention discloses an electric bicycle state monitoring method based on sensor fusion, and relates to the technical field of data analysis, and the method comprises the steps: obtaining a resonance cooperation index and a road energy permeability index through multi-dimensional data calculation, and carrying out the fusion to obtain a global feature vector; inputting the global feature vector under the time sequence into a preset double-branch prediction model, and outputting a riding intention and a riding mode; calculating a power demand according to the multi-dimensional data, performing adaptive power distribution according to the power demand and the riding mode, and when the riding intention is braking or downhill, performing energy recovery according to a preset energy recovery strategy; and calculating predicted energy consumption and a cost index of the road section, and performing path planning. According to the method, cooperation of a rider and a motor and road surface conditions are quantified through a resonance cooperation index and a road energy permeability index, riding intention and mode prediction is achieved through a double-branch prediction model, self-adaptive energy management and power distribution are achieved based on power requirements, energy recovery is triggered during sudden braking or downhill, and safe operation is ensured.
Owner:SHENZHEN MENGDU TECHNOLOGY CO LTD +1

Power battery anti-overcharge method and system of fuel cell vehicle and vehicle

The invention provides a power battery anti-overcharge method and system of a fuel cell automobile and a vehicle, and the power battery anti-overcharge method of the fuel cell automobile comprises the steps: judging whether a power battery has an overcharge risk or not based on the working condition of the whole automobile and the real-time state of the power battery; if the overcharge risk exists, controlling the fuel cell system to reduce the output power; if the output power is reduced to the lowest stable operation power and the net output power is still higher than the current allowable maximum charging power of the power battery, the fuel cell system is controlled to enter a self-consumption mode, and the electric energy generated by the fuel cell system is guided to an internal auxiliary machine for auxiliary consumption; and maintaining the net output power not to be greater than the current allowable maximum charging power. The overcharge risk when the charging capacity of the battery is reduced due to low temperature or energy recovery is effectively solved, direct shutdown is replaced by intelligent hierarchical control, the start-stop frequency of the fuel battery is remarkably reduced, the service life of the fuel battery is prolonged, and the economical efficiency of the whole vehicle is improved.
Owner:DONGFENG MOTOR GRP

Energy recovery method and device based on battery life, vehicle and storage medium

The invention discloses an energy recovery method and device based on the service life of a battery, a vehicle and a storage medium, and the method comprises the steps: comparing the initial energy recovery power of the vehicle in energy recovery with the optimal target charging power of a power battery, so as to obtain a comparison result; the optimal target charging power of the power battery is obtained based on a life cycle model of the power battery, and the optimal target charging power is smaller than the maximum charging power of the power battery; determining the corrected energy recovery power in the vehicle driving process according to the comparison result; determining a target energy recovery torque according to a corrected energy recovery torque corresponding to the corrected energy recovery power and an initial energy recovery torque corresponding to the initial energy recovery power; and outputting a target energy recovery instruction according to the target energy recovery torque to control the vehicle to perform energy recovery. According to the technical scheme, the problems that the performance degradation speed of the power battery of the vehicle is high in the using process, and the service life is shortened are solved.
Owner:CHONGQING JINKANG NEW ENERGY VEHICLE CO LTD

Efficient filtering, dedusting and mortar mixing integrated production system

The invention discloses a high-efficiency filtering and dedusting mixed mortar integrated production system, and relates to the technical field of mixed mortar production, the high-efficiency filtering and dedusting mixed mortar integrated production system comprises an intelligent pre-separation filtering unit, and the intelligent pre-separation filtering unit is used for carrying out primary pre-separation on large-particle impurities and solid particles in raw materials; a double-layer rotational flow filter element with a self-cleaning function is arranged in the intelligent pre-separation filter unit, the outer layer of the double-layer rotational flow filter element is a wear-resistant ceramic coating, and the inner layer of the double-layer rotational flow filter element is made of an elastic polymer material. By designing the double-layer self-cleaning rotational flow filter element, the differential pressure self-adaptive filter screen dust removal unit and the online regenerated energy recovery device, the functions of full-process efficient dust removal and energy recovery are realized, the problems of large traditional dust removal resistance and energy waste are solved, the pressure difference is effectively reduced, the energy consumption is reduced, and the continuous online operation time is prolonged.
Owner:JIANGSU MORNING ENVIRONMENTAL PROTECTION TECH CO LTD

Circuit and method for adjusting conduction period for energy-recycling circuit

To provide a circuit and method for determining a conduction period for an energy-recycling circuit.SOLUTION: A circuit for determining a conduction period for an energy-recycling circuit includes: an indication circuit, which is coupled to an inductor of the energy-recycling circuit to receive an inductor voltage, and configured to generate an indication signal according to the inductor voltage, where the indication signal reflects a status corresponding to a first conduction period of the energy-recycling circuit; and a control signal generator, which is coupled to a switch of the energy-recycling circuit, and configured to generate a control signal with a second conduction period for the switch according to the indication signal. The energy-recycling circuit is coupled to a first capacitive component and a second capacitive component. The energy-recycling circuit comprises the inductor and the switch coupled between the first capacitive component and the second capacitive component. The control signal generator determines the second conduction period according to the first conduction period and the indication signal.SELECTED DRAWING: Figure 1
Owner:XMEMS LABS INC