49results about How to "Optimize energy distribution" patented technology

An energy distribution may include a server and one or more databases. The system may communicate with an energy provider to receive energy provider data, at least one information collector to receive information collector data such as individualized energy usage data, customer preferences, and customer or location characteristics, and the one or more databases for receiving data for optimization. The system may calculate a cost of service or avoided cost using at least one of the individualized energy usage data and a system generation cost at a nearest bus. The system may also forecast individualized demand by end-use, individualized demand by location, energy prices, or energy costs. The system may optimize energy distribution, energy use, cost of service, or avoided cost using the forecasted individualized demand by end-use, the forecasted individualized demand by location, the forecasted energy prices, and the forecasted energy costs.

Systems and methods for energy optimization may receive receiving energy provider data, near-real time individualized energy usage data for each of a plurality of end-uses or near-real time individualized whole premise energy usage data, customer preferences, and near-real time and forecasted weather information. The systems and methods may forecast, for a selected time period, individualized energy usage for each of the plurality of end-uses or individualized whole premise energy usage data for a customer location using: (1) the energy provider data, (2) the near-real time individualized energy usage data, (3) the customer preferences, and (4) the near-real time and forecasted weather information. The systems and methods may optimize, for the selected time period, energy usage at the customer location using (1) the individualized energy usage, (2) the energy provider data, and (3) the customer preferences.

The invention discloses a control system of a fuel cell vehicle. The control system includes a fuel cell engine, a DC/DC converter, a fuel cell manager for controlling the fuel cell engine and the DC/DC converter, a power battery, a battery manager for controlling the power battery, a mode selection switch, a motor and a motor controller; a vehicle controller is connected with the fuel cell manager, the battery manager and the motor controller respectively; the vehicle controller determines the working mode of the fuel cell engine according to the fault state of the fuel cell vehicle, the charge value of the power battery and the state of the mode selection switch, and controls the fuel cell manager according to the working mode. With the control system of the fuel cell vehicle of the invention adopted, vehicle energy distribution can be optimized, and the efficiency of a fuel cell system and the power battery can be improved, and the fuel cell system can be effectively protected, and a vehicle control algorithm can be simplified, and the control algorithm is reliable and effective. The invention also discloses a fuel cell vehicle and a control method of the fuel cell vehicle.

A laser beam irradiating apparatus capable of achieving uniform annealing efficiently by employing a simple optical system using laser beams having attenuated regions is disclosed. It is possible to provide a method of irradiating a laser beam using the laser beam irradiating apparatus, and to provide a method of manufacturing a semiconductor device including the laser beam irradiating method in the fabrication sequence thereof.

The invention provides a hybrid electric vehicle control method based on model prediction control. The control method comprises the following steps: predicating a required torque at a preset time internal on the basis of a mathematic model; obtaining optimization parameters; determining an engine torque and a motor torque according to the required torque and the optimization parameters; and respectively transmitting the engine torque and the motor torque to an engine controller and a motor controller. According to the method provided by the invention, the condition that a driver operates an accelerator pedal is predicated, and the acquired predication information is used for carrying out real-time optimization on energy distribution of a hybrid electric vehicle, so that the hybrid electric vehicle is more oil-saving.

The invention relates to a process for carrying out strengthening circulation, stage grinding and quality improvement on lignite by utilizing superheated steam and a system thereof. The method comprises the following steps: (1) carrying out grinding on the raw material lignite; (2) burning one part of coal blocks/powder to produce high-temperature flue gas serving as a heat source and carrying out air separation and dring on the other part of coal blocks/powder requiring to be subjected to quality improvement; (3) in the process of air separation, adopting the high-temperature flue gas from the step (2), carrying out drying, separation and dust removal on the qualified coal blocks/powder conforming to the standard grain diameter after air separation, collecting the qualified coal blocks/powder, sending the qualified coal blocks/powder to the forming process, making the unqualified coal blocks/powder drop in a grinding ventilating device to carry out grinding and drying, then continuously completing deep drying by air separation and repeating the steps, wherein the oxygen content in the flue gas is less than 8 percent; and (4) sending one path of waste gas subjected to air separation and drying to the washing process and returning the other path of waste gas serving as a return tail gas part to the step (2) so as to prepare the high-temperature flue gas and carry out air separation. The process has the advantages of safety, energy saving, environment protection, high efficiency, stability and the like.

The invention discloses a method for predicting the wind speed of a wind power plant at a short term. The method includes the following steps that wind speed data in a period of time are acquired and reduced into a time sequence for analytical prediction; a carpet traversal search method is adopted, and based on a dynamic cubic exponential smoothing prediction method, dynamic smoothing coefficients are determined according to the criterion of the minimum error sum of squares; the determined dynamic smoothing coefficients and the dynamic cubic exponential smoothing method are utilized to conduct one-step or multi-step prediction; the rest is conducted in the same way, new historical data are acquired, the smoothing coefficients are updated, and the later wind speed prediction continues to be conducted. According to the method for predicting the wind speed of the wind power plant at the short term, the characteristics of local historical wind speed are comprehensively considered, and the prediction effect is good.

The invention relates to a small high-efficiency mud-water separation device used for supplying water to villages and small towns. The device comprises a mechanical flocculation area and a hydraulic flocculation area, a sedimentation area, an active mud residue concentration area, an active mud residue internal reflux tube/cylinder, an impeller lifting device, a water inlet and outlet system, a mud discharge system and the like. The main body of the device mainly comprises three layers of concentric cylinders; an inner cylinder is the mechanical flocculation area, the middle is provided with the impeller lifting device, and active mud residue at the bottom of a concentration chamber is lifted to the mechanical flocculation area by the internal reflux tube/cylinder arranged in the center of the bottom; the hydraulic flocculation area is formed between the inner cylinder and a middle cylinder, and is provided with a pore plate; the sedimentation area is formed between the middle cylinder and an outer cylinder, and is provided with a single-blade single-curve rotary sloping plate; and the bottom of the equipment is provided with a mud residue concentration chamber. The device has theadvantages of compact structure, high space utilization rate, small occupied area, mechanical flocculation area, easily controlled reflux quantity, low energy consumption, good effluent quality and the like, and has great promotion value.

The application discloses a method and system for improving the quality of low-rank coal. The method comprises the following steps: drying to remove water in lignite which is crushed into a preset degree; sorting the dried lignite to remove pulverized coal; conducting destructive distillation on the sorted lignite at a low temperature. According to the application, the adjustability of the whole process is enhanced, and the energy distribution of the system is optimized, so that the adverse impact of pulverized lignite on low-temperature destructive distillation is reduced to the maximum extent, the quality of tar is improved, and the granularity range of quality-improving feed coal is broadened; as severe screening of the feed coal is not required, equipment investment is reduced, and potential accidents of dust pollution and spontaneous combustion are reduced.

The invention provides a system for judging the intentions to accelerate and decelerate a hybrid electric vehicle. The system comprises an HCU (hybrid vehicle control unit), an ECU (engine control unit), an IPU (motor control unit) and a BCU (battery control unit), wherein the data transmission is carried out among the HCU, the IPU, the ECU and the BCU through CAN (controller area network) communication; the ECU and the BCU are controlled by the HCU; the ECU is used for acquiring the opening signal of an accelerator pedal according to the requirement of a driver for the accelerator pedal and transmitting the opening signal to the HCU through the CAN communication; and the HCU is used for judging the intentions of acceleration and deceleration according to the current status of the hybrid electric vehicle, switching among the state modes and acquiring the required torque of an engine and a motor, so that the motor can be used for power-assisting in an accelerating state and charged in a decelerating state.

The invention belongs to the technical field of power transmission line on-line monitoring. The invention especially relates to a power transmission line multi-source data fusion device with load priority control and a control method thereof. The device comprises a solar cell, a charging module, an energy storage module, an EMS module, a main control module, a communication module and n data sensors, wherein n in the n data sensors is a positive integer. According to the power transmission line multi-source data fusion device with load priority control and the control method thereof, the powertransmission line multi-source data fusion device can collect data of various data sensors, the collected data are collected and subjected to fusion summarization and intelligent analysis, an analysis result can be transmitted to a server side through 4G wireless communication, solar energy is matched with an energy storage battery for power supply, all functional modules in the device are powered in a load priority management mode, load energy distribution is optimized, and electric energy is intelligently controlled to flow as required.

The present invention relates to a device for generating a disturbance in the differential mode of propagation of an RF signal transmitted along a coaxial transmission line.

The invention provides an adjusting structure for reducing bubbles in a fritting sealing process. A laser beam adjusting lens and a semi-transparent semi-reflective lens are sequentially arranged between a laser head and a fritting material along a principal optic axis of the laser head. The fritting process is completed by irradiating the fritting material with a laser spot. The adjusting structure for reducing the bubbles in the fritting sealing process provided by an embodiment of the invention utilizes the semi-transparent performance of a light transmitting film to improve energy distribution of the laser beam, so that the energy uniformity of the laser beam is improved. Furthermore, combination of the lens and the light transmitting film enables the energy distribution and the spot shape to be well matched, so that requirements for the fritting dimension of the Frit packaging technology can be flexibly met.

The invention discloses a controllable liquid flow-vibration coupling auxiliary laser milling and polishing machining method and system. The machining system comprises a laser machining unit used for conducting laser machining on a workpiece; a liquid flow auxiliary unit used for providing liquid flow to be in contact with the workpiece; a vibration auxiliary unit used for applying vibration to the workpiece; and a control unit used for regulating and controlling the working states of the laser machining unit, the liquid flow auxiliary unit and the vibration auxiliary unit so as to realize controllable coupling of laser machining, vibration and liquid flow. By controllable coupling of laser, vibration, liquid flow and the like, superiority of each process/energy field can be exerted, coupling complementation is realized, macro-micro-scale energy distribution characteristics of a machining area are effectively regulated and controlled, heat influence is reduced, micro-cracks are avoided, laser milling and polishing chip removal characteristics and machining quality are remarkably improved, workpiece quality is greatly improved, and the material removal efficiency is effectively improved. The machining system of the invention is particularly suitable for precision machining of metal materials, hard and brittle materials and the like.

The invention discloses a high-energy beam peak moving processing path planning method and belongs to the technical field of high-energy beam manufacturing. According to the high-energy beam peak moving processing path planning method, when filling scanning paths of various to-be-processed layers are generated, between the adjacent various layers, positions, highest in power, in the high-energy beam scanning paths mutually deviate by set amounts, and therefore energy distribution in the processing process is improved, and then the processing quality and precision in the additive manufacturingor subtractive manufacturing process are improved; the method includes the following steps that firstly, a processing model is subjected to layering; secondly, peak moving processing path planning parameters are set; thirdly, a processing path of a first layer in the peak moving period is generated; fourthly, processing paths of subsequent various layers in the peak moving period are generated; and fifthly, the step (3) and the step (4) are repeated till the processing paths of all the layers are generated. According to the method, by adjusting the center position deviation of the high-energybeam scanning paths of the adjacent processing layers, that is, a pointed peak is moved away, peak moving for short, energy density homogenization of processing of the plurality of layers is achieved,and the processing quality and precision are improved.

The invention relates to a steel-aluminum alloy laser welding method adopting a nickel-based high-entropy alloy intermediate layer, and belongs to the technical field of dissimilar material welding. And a nickel-based high-entropy alloy metal foil is used as a middle layer material. The high entropy effect and the high thermal resistance effect of the nickel-based high-entropy alloy metal foil control that no intermetallic compound is generated in a weld fusion area, and the intermetallic compound is only generated at the interface of the fusion area and the aluminum alloy. And by adding the nickel element and the silicon element, generation of Fe-Al intermetallic compounds at the interface is reduced, a Ni-Al-Si phase with better toughness is generated, the metallurgical reaction at the interface is improved, and then the mechanical property of the joint is improved. Laser beams A, B and C are adopted for simultaneous welding, the connecting area of the interface of the steel plate and the aluminum alloy plate is increased, and it is ensured that aluminum in the molten state fully wets and spreads the interface. The anti-shearing strength of a lap joint is improved; and meanwhile, the defects such as cracks and air holes are avoided.

The invention provides a vehicle energy management method and device. The method comprises the following steps: screening at least one current possible travel route of a user from historical driving data of a vehicle based on current time information and position information; comparing the current driving route of the user with the route characteristics of the current possible travel route, and selecting a target route according to the matching degree; and constructing a vehicle speed model of the vehicle based on the target route, and optimizing the energy distribution of the vehicle on the target route according to the strong correlation between the vehicle speed model and the power consumption.