57 results about "Energy simulation" patented technology

A software system and method for providing interoperability between computer aided design and energy simulation. The method includes preparing an electronic construction plan, extracting structure information from the electronic construction plan, executing an energy simulation using at least a portion of the structure information, and displaying an energy efficiency analysis of the construction plan through a user interface.

A method of simulating wind field of extreme arid region based on WRF includes following steps. A mode parameter optimization scheme for wind energy simulation is selected, wherein the mode parameter optimization scheme is selected by selecting a group of mode parameter optimization schemes of different ground floors, land process, and planet boundary layers having great influence on simulation of the boundary layer of wind field, and comparing the mode parameter optimization schemes. A wind energy simulation of the extreme arid region is performed during a preset length of time using the selected mode parameter optimization scheme. Simulation configuration of the wind field for the extreme arid region is obtained through results of the wind energy simulation.

The invention discloses a computer-based iron and steel enterprise energy simulation platform and belongs to the technical field of metallurgical energy simulation. The energy simulation platform comprises a steel mill model library, a visual steel mill configuration tool, an iron and steel production process simulator, display equipment, various energy medium mixers, a simulated result library and a simulation platform upper analysis and evaluation system, wherein the visual steel mill configuration tool is connected with the steel mill model library; the iron and steel production process simulator is connected with the steel mill model library and an operation plan generator, stimulates the production process and outputs results to the various energy medium mixers and the display equipment; and the simulated result library saves the simulated and regulated result and provides input for the simulation platform upper analysis and evaluation system. The computer-based iron and steel enterprise energy simulation platform has the advantages that: a transaction sign in an equipment model can analyze and evaluate the iron and steel enterprise energy situation under different conditions; a recovery plant independently constructs a model, and the research on a recovery scheme and efficiency is facilitated; and the tightly coupled energy medium forms three subsystems according to the correlation degree, and the solving is facilitated by a hierarchical coordination method.

The invention discloses a method for simulating a wind field of an extreme arid region based on WRF. The method comprises the steps: (1), selecting a mode parameter optimization scheme set of different ground floors, land process and planet boundary layers having great influence on simulation of the boundary layer wind field, comparing the mode parameter optimization schemes, and selecting the most suitable mode parameter optimization scheme for wind energy simulation, (2), carrying out the wind energy simulation of a wind filed of an extreme arid region to be detected within the preset duration according to the mode parameter optimization scheme obtained in the step (1), and (3), obtaining a wind field simulation configuration scheme suitable for the extreme arid region to be detected according to the wind energy simulation result obtained in the step (2). The method for simulating the wind field of the extreme arid region based on the WRF can overcome the defects that simulation accuracy is low, simulation correctness is poor and the application range is small in the prior art, and has the advantages of high simulation accuracy, good simulation correctness and large application range.

The invention relates to the technical field of electric system energy planning, in particular to a random production simulation algorithm suitable for intermittent energy access. The random production simulation algorithm suitable for the intermittent energy access comprises the following steps that: establishing the time sequence load model of a system, forming an original load time sequence curve, establishing a conventional energy simulation submodel according to the characteristics and the operation situation of a conventional energy power station, and meanwhile, according to the output situations of a photovoltaic power station and a wind power plant, establishing an equivalent multi-state unit model; adopting the established photovoltaic and wind power equivalent multi-state unit model, correcting an equivalent electric quantity function, and calculating photovoltaic generating capacity and wind power generating capacity; and finally, after all units finish being arranged, calculating system production cost, EENS (Expected Energy Not Supplied) and LOLP (Loss Of Load Probability), and ending a random production operation simulation process which contains intermittent energy.

The invention provides an electric vehicle high-pressure electrical failure dynamic simulation test system which comprises a failure command output unit which is used for sending a failure command, multiple failure injection units, multiple signal detection units, a signal record wave unit, a data analysis processing unit, a data output unit, an energy simulation unit and a working condition simulation unit. The multiple failure injection units are injected simultaneously or in a delay mode according to the failure command. The multiple signal detection units are used for collecting electrical parameters and non-electrical parameters of a to-be-detected position. The signal record wave unit is used for recording electrical parameters and non-electrical parameters of the multiple detecting units on multiple failure points in the whole process of failure positions in real time. The data analysis processing unit is used for conducting analysis processing of recorded electrical parameters and non-electrical parameters. The data output units are used for transmitting or printing or outputting data or graphics in the data analysis processing unit. The energy simulation unit is used for simulating fuel cell stack to supply direct current by a program control unit (PCU) controller. The working condition simulation unit is used for simulating actual working conditions of a vehicle. The electric vehicle high-pressure electrical failure dynamic simulation test system is capable of meeting a whole vehicle electrical failure dynamic simulation test of all electrically driven vehicles.

The invention discloses a continuous attenuation system used for energy simulation in an optical scene. According to the invention, an infrared imaging target simulator tests performance of a seeker system by simulating an infrared target in the condition of a laboratory; an energy continuous attenuation system is the most important part and comprises a high-temperature black body (1), a heat insulation cover (2), a light source mirror group 1 (3), a connection plate (4), a light source mirror group 2 (5), an optical gradually-changing attenuation sheet and a driving system (6); and via the energy continuous attenuation system, uniform irradiation of energy on the surface of a target source and quick and continuous attenuation of output energy can be achieved. Thus, it can be achieved that the target source can be used for simulating gray level of the optical scene and a target used for testing performance of the seeker system. In this way, while uniform irradiation of light beams on the surface of the target source is achieved, continuous adjustment of energy on the surface of the target source can be achieved.

The invention discloses a laser guidance missile changing laser energy simulation method for unmanned aerial vehicles and system. The method comprises: (1) calculating laser energy at different distances by using a laser guidance head detector according to an aerial hanging flight test or a ground running test or a target flight test of a laser guidance missile laser guidance head of the unmannedaerial vehicle to draw a laser energy-distance curve; (2) determining the laser energy value received by the laser guidance head detector at the current moment according to the target relative position relation resolved in real time in a simulation process in combination with the laser energy-distance curve; and (3) sending a laser to the laser guidance head detector in a laser direct mode at thesimulation process, so that the laser energy value received by the laser guidance head detector at the current moment is consistent with the laser energy value determined at the corresponding moment in (2). According to the laser guidance missile changing laser energy simulation method for the unmanned aerial vehicles and the system, the flight process of the missile in the air is simulated more completely, thereby improving the efficiency and the accuracy of a semi-physical simulation system.

The invention discloses a simulation method for a double-base disk type involute sample plate measurement optical system based on heterodyne interference. The method comprises the following steps of firstly, analyzing a principle of the double-base disk type involute sample plate measurement optical system based on the direct-reflection three-light path laser heterodyne interference; then buildingan energy simulation model of the double-base disk type involute sample plate measurement system based on the direct-reflection three-light path laser heterodyne interference by utilizing ZEMAX according to the principle of the optical system; and analyzing the influence of the non-ideal performance of each optical element in the optical system on the energy of a laser heterodyne interference signal by utilizing the energy simulation model. According to the method, the bottleneck of a double-base disk type involute sample plate sub-micron precision measurement technology is broken through; anew measurement model is built; and the influence of the non-ideal performance of each optical element on the energy of the measurement system is analyzed. The method has the guiding significance fordesigning the double-base disk type involute sample plate high-precision measurement optical system based on the direct-reflection three-light path laser heterodyne interference, selecting the opticalelements and improving the precision of the measurement system.

The invention discloses an energy simulation scene formulation method for an iron and steel enterprise, which belongs to the technical field of energy simulation for metallurgy. The method comprises the following steps of: constructing a model; modeling in the iron and steel enterprise; initializing a scene; formulating the scene; and outputting a scene result. Through the method, a simulation scene for situations such as logistics change, product process change, an abnormal working condition, equipment overhaul and the like needed by energy simulation in the iron and steel enterprise can be formulated and the scene is suitable for energy system simulation of a plurality of iron and steel enterprises, so that a simulation platform can simulate situations of the use, transformation, delivery, storage and distribution of energy media in each iron and steel enterprise in various scenes.

The invention discloses a simulation and verification platform used for a satellite-borne information system. A simulative analysis module adds and configures information stream nodes in the satellite-borne information system in a full digital simulative environment, then performs heat control simulation, energy simulation and test control simulation, and performs real-time interpretation and verification on interactive data generated by the simulations; and a comprehensive verification module adds and configures uncompleted information stream nodes in the satellite-borne information system ina semi-physical simulative environment or a full physical simulative environment, then performs heat control simulation, energy simulation and test control simulation, and performs real-time interpretation and verification on interactive data generated by the simulations.

The invention provides a fusion method and a fusion system for a spacecraft power supply and distribution big image and energy simulation data. The method comprises the steps of: acquiring variations of driving parameters of entity objects in the power supply and distribution big image in real time, sending the variations of the driving parameters to an energy simulation model library to carry out energy simulation, and generating the energy simulation data, wherein the driving parameters of the entity objects comprise an electrical characteristic variable, a driving parameter of a dynamic component, a driving parameter of a simulation animation flight orbit and a driving parameter of a key curve; and receiving the energy simulation data in real time and matching the energy simulation data into the power supply and distribution big image to carry out display output. According to the fusion method and the fusion system which are provided by the invention, by establishing the energy simulation model library matched and related with the driving parameters of the entity objects in the spacecraft power supply and distribution big image, acquiring the simulation data according to a single-step solution step length, carrying out automatic fusion, distinguishing and regulation and attaching the simulation data to display objects of the power supply and distribution big image, information fusion of the spacecraft power supply and distribution big image and the energy simulation data is implemented, and digital modeling, simulation, analysis and verification are implemented.

The invention provides a double-satellite joint test energy simulation and monitoring system, which comprises an energy simulation subsystem and a test data collection and control subsystem, and is characterized in that the energy simulation subsystem can simulate a volt-ampere characteristic curve output by a solar cell array and supply power to and charge a satellite in a satellite test; the test data collection and control subsystem can control and monitor the satellite state; the energy simulation subsystem is connected with the test data collection and control subsystem. The test data collection and control subsystem is connected with the first satellite and the second satellite through unplugged cables to achieve charging and power supply, and the test data collection and control subsystem is connected with the first satellite and the second satellite in a wired or wireless mode to achieve control signal sending and state monitoring. When the first satellite and the second satellite are connected through the interface module, the joint test of the two satellites is realized; when the first satellite and the second satellite are not connected, the two satellites are tested independently.

The accuracy of photovoltaic simulation modeling is predicated upon the selection of a type of solar resource data appropriate to the form of simulation desired. Photovoltaic power simulation requires irradiance data. Photovoltaic energy simulation requires normalized irradiation data. Normalized irradiation is not always available, such as in photovoltaic plant installations where only point measurements of irradiance are sporadically collected or even entirely absent. Normalized irradiation can be estimated through several methodologies, including assuming that normalized irradiation simply equals irradiance, directly estimating normalized irradiation, applying linear interpolation to irradiance, applying linear interpolation to clearness index values, and empirically deriving irradiance weights. The normalized irradiation can then be used to forecast photovoltaic fleet energy production.

The invention discloses a simulation method for target motion trailing in monitoring pictures of space-based optic space debris. The method comprises the following steps: (1) acquiring motion distance pixels of the space motion debris on an image of an imaging detector within a given integral time; (2) establishing a regional image according to the motion distance pixels and taking the pixel points by which the motion trailing passes on the regional image as the resident pixels of the debris motion trailing within the integral time Delta T; (3) taking each pixel resident on the image of the debris trailing as a sub-target and performing dot diffusion simulation on each sub-target Ri according to a gaussian model; (4) adding the energy overlapped areas between the adjacent sub-target gaussian dot diffusions and simulating the motion debris trailing. The simulation method for target motion trailing in monitoring pictures of space-based optic space debris, provided by the invention, has the advantages of accurate energy simulation model and no breakpoint under the condition of high-speed motion of the debris target.

The invention relates to a simultaneous digital information and energy transfer and reception method and a simultaneous digital information and energy transfer and reception system. The reception method comprises the following steps: receiving serial simultaneous information and energy transfer analog signals, and converting the serial simultaneous information and energy transfer analog signals into parallel simultaneous information and energy transfer analog signals; separating information analog signals and energy analog signals among the parallel simultaneous information and energy transfer analog signals; carrying out analog-to-digital conversion on the information analog signals to obtain information digital signals, and carrying out information demodulation, parallel-serial conversion and decoding on the information digital signals in a digital domain; and preprocessing the energy analog signals in an analog domain and storing the energy analog signals in an energy storage unit. By adopting the method and the system, the information signals and the energy signals among the simultaneous digital information and energy transfer signals can be separated. The information signals are demodulated and decoded in the digital domain while the energy signals are processed in the analog domain, so that a receiver can fully collect the energy signals among the simultaneous transfer signals.

The invention discloses a multi-energy medium comprehensive optimization and allocation system based on energy simulation for iron and steel enterprises. The system comprises a simulation configuration module, a Parameter configuration module, a Working condition input module, a plan reading module, a simulation optimization module and a simulation analysis module, which are all operated on the simulation computer; parameters and working condition information related to the modules are all stored in the relational database, the relational database software is operated on the database server, and the simulation computer is connected with the database server through a local area network. The method has the advantages that on the basis of the material flow energy flow coupling characteristicof the iron and steel manufacturing process, an iron and steel industry multi-energy-medium comprehensive optimization allocation strategy based on energy flow network dynamic simulation is provided,and a simulation platform is constructed. The simulation platform fully considers the coupling characteristics of the substance flow and the energy flow, and is more suitable for actual demands.

The invention provides a wheel hub motor wireless power supply system based on magnetic coupling resonance, relates to the technical field of wireless electric energy transmission, and aims at solving the problems that a conventional wheel hub motor uses a cable for supplying electricity, and a wire connection position can easily become loose, can easily fall or even generate electricity leakage, so that the adverse influence is brought to vehicle operation; meanwhile, short circuit can be caused by cable aging; in severe cases, fire hazards can be caused. A vehicle-mounted battery supplies electricity to an energy stimulation circuit; the energy simulation circuit converts direct current electricity into alternating current electricity to be sent to an emitting coil; the alternating current electricity generates induced electromotive force with a receiving coil so as to supply the electricity to the wheel hub motor; a voltage value and a current value of the wheel hub motor are collected, and are used as driving signals of a DC-DC converter after being subjected to modulation and the operation, and are used for regulating the impedance of a wheel hub. An envelope detector detects current signals in the emitting coil and performs demodulation and processing to generate PWM (pulse-width modulation) signals to regulate a driving signal duty ratio of a Buck driving circuit; the stable load voltage is realized; wireless charging is performed on the direct current wheel hub motor.

The invention discloses an experiment device for excess pressure energy recycling and compressed air energy storage. The experiment device comprises an excess pressure energy simulation module and a gas supply module, wherein the gas supply module is connected with the excess pressure energy simulation module through an energy replacement module; a bidirectional pressure cylinder is arranged in the energy replacement module; a water drainage pipeline of the excess pressure energy simulation module and a gas exhaust pipeline of the gas supply module are respectively connected with two ends of the bidirectional pressure cylinder; a gas outlet of the bidirectional pressure cylinder is connected with an energy storage and release module; the energy storage and release module comprises a high-pressure air storage tank; the high-pressure air storage tank is connected with a power generator through an air turbine; the power generator is connected with a load tank. Through the energy replacement module, the excess pressure energy simulation module and the gas supply module can be combined together, fusion of an equal-pressure positive displacement energy recycling technique and a compressed air energy storage technique is achieved, technical advantages of the two techniques can be taken into play, and the experiment device has the characteristics of being high in energy recycling efficiency, convenient in storage, flexible in function, wide in application range, and the like, and has great significances for energy conservation and emission reduction.

The invention provides a satellite energy simulation system, which comprises a system input module, a time state module, an orbit attitude parameter module, a load and solar cell module and a storagebattery module, wherein the system input module input required parameters to enable the time state module, the orbit attitude parameter module, the load and solar cell module and the storage battery module to obtain the required parameters; the time state module reads the current moment and provides the current moment to the orbit attitude parameter module, the load and solar cell module and the storage battery module; the orbit attitude parameter module calculates the current orbit attitude condition according to the obtained parameters and the current moment, and sends the current orbit attitude condition to the load and solar cell module; the load and solar cell module calculates the current load condition and the solar cell panel array condition according to the obtained parameters, the current moment and the orbit attitude condition, and sends the current load condition and the solar cell panel array condition to the storage battery module; the storage battery module judges whether to charge or discharge according to the current input load condition and the solar cell panel array condition and controls a storage battery of the satellite to perform corresponding actions, and the storage battery module judges whether the illumination condition is met or not if it is judged to charge.

An energy management apparatus and an energy management method are provided. The energy management apparatus receives a plurality of first operation data and environment data, derives a plurality of simulated energy data through energy simulation based on the first operation data and the environment data, calculates an error value between a real environment value and a simulated environment value of the simulated energy data, decides a simulation objective value according to the error value, and decides a plurality of second operation data through energy simulation based on a search algorithm and the simulation objective value. The first operation data correspond to a first time interval, each of the first operation data corresponds to one of a plurality of devices, and the second operation data correspond to a second time interval, and each of the second operation data corresponds to one of the devices.

The invention provides a four-meter acquisition fault simulation training device. The device comprises an acquisition master station monitoring terminal, an Ethernet repeater, a PC and a training display cabinet, and an acquisition concentrator, a communication interface converter, a simulation type electric energy meter, a simulation type gas meter, a simulation type water meter, a simulation type heat meter, a communication control circuit, a line fault simulation unit and an energy simulation unit which are arranged on the training display cabinet. The line fault simulation unit is arrangedon an acquisition line of the simulation type electric energy meter, and is used for simulating a metering fault of the simulation type electric energy meter. The line fault simulation unit is arranged on a communication line between the communication interface converter and the simulation type electric energy meter, the simulation type gas meter, the simulation type water meter and the simulation type heat meter, and is used for simulating communication faults of the simulation type electric energy meter, the simulation type gas meter, the simulation type water meter and the simulation typeheat meter. The four-meter acquisition fault simulation training device provided by the invention has the advantages of scientific design, high practicability and low production cost.

The invention discloses a method for simulating a wind field of an extreme arid region based on WRF. The method comprises the steps: (1), selecting a mode parameter optimization scheme set of different ground floors, land process and planet boundary layers having great influence on simulation of the boundary layer wind field, comparing the mode parameter optimization schemes, and selecting the most suitable mode parameter optimization scheme for wind energy simulation, (2), carrying out the wind energy simulation of a wind filed of an extreme arid region to be detected within the preset duration according to the mode parameter optimization scheme obtained in the step (1), and (3), obtaining a wind field simulation configuration scheme suitable for the extreme arid region to be detected according to the wind energy simulation result obtained in the step (2). The method for simulating the wind field of the extreme arid region based on the WRF can overcome the defects that simulation accuracy is low, simulation correctness is poor and the application range is small in the prior art, and has the advantages of high simulation accuracy, good simulation correctness and large application range.

The invention discloses a low-frequency vibration energy simulation device which comprises a bottom frame, two stepping motors, two direct-current motor drivers, a controller, two connecting rod structures, an acrylic plate and a supporting rod structure; the two stepping motors are fixed to the X axis and the Y axis of the bottom frame; each connecting rod structure comprises a fisheye rod, a fixing frame and a crank; one end of each fisheye rod is connected with the corresponding stepping motor through a crank; the other end of each fisheye rod is connected with the acrylic plate through a fixing frame; the supporting rod structure comprises a metal straight rod, a universal coupling and a suction cup; one end of the metal straight rod is connected with the bottom frame; the other end of the metal straight rod is connected with the suction cup through a universal coupling; the other end of the suction cup is fixed to the center of the acrylic plate; according to the device, a controller is used for setting the rotation frequency of two stepping motors on the X axis and the Y axis; the controller comprises a single chip microcomputer, a display screen and keys; and the stepping motors rotate and drive an acrylic plate to swing in all directions through fisheye rods so as to achieve the effect of simulating external low-frequency vibration.

The present invention provides a dose distribution calculation method and system. According to the dose distribution calculation method and system, the dose distribution of single-energy photon pointincidence is obtained according to accelerator energy simulation; the energy spectrum distribution and flux distribution of photons is determined according to the dose distribution of the single-energy photon point incidence and dose data measured by a water tank; and based on a cloud computing technology, the dose distribution of the photons in a human body can be determined through the Monte Carlo algorithm according to the energy spectrum distribution, the flux distribution, acquired computed tomography (CT) data and field data. With the above technical schemes of the invention adopted, thedose distribution of the photons in the human body can be accurately simulated, with high precision realized. According to the technical schemes of the invention, the cloud computing is adopted to start a plurality of computing servers to simultaneously perform dose calculation, and therefore, calculation time can be effectively shortened, and dose calculation efficiency can be improved.

The invention discloses an X-ray continuous energy spectrum determination method and device, intelligent equipment and a storage medium, and the method comprises the steps of obtaining the corresponding relation between X-ray energy spectrum data and energy, and building an initial continuous energy spectrum model based on the corresponding relation; discretizing the initial continuous energy spectrum model to obtain a preset number of discrete energy spectrum functions; acquiring the preset number of single-energy simulation PDD matrix data and measurement PDD matrix data of a preset range continuous energy spectrum based on different underwater depth sequences; determining each energy spectrum coefficient in the initial continuous energy spectrum model based on the discrete energy spectrum function, the simulated PDD matrix data and the measured PDD matrix data to obtain a target continuous energy spectrum model; and obtaining a to-be-estimated continuous energy range, and inputtingthe energy range into the target continuous energy spectrum function to obtain a continuous energy spectrum corresponding to the continuous energy range. The continuous energy spectrum can be simply,conveniently and rapidly acquired, and the energy spectrum acquisition rate is improved.

The invention discloses a method for constructing a type database of urban residential buildings for simulating and predicting building carbon energy, which comprises the following steps: classifyingthe type of urban residential buildings according to building energy consumption parameters, wherein the building energy consumption parameters include: shape factor, ratio of window to wall, buildingheight and year of construction; setting the thermal parameters of the typed urban residential buildings, and superposing the thermal parameters and the typed urban residential buildings to completethe construction of the types of urban residential buildings, the urban residential building type library being obtained. The thermal parameters include: climatic conditions, minimum and maximum indoor temperatures, heat transfer coefficients of building envelopes, use of building equipment, and occupant activity in residential buildings. The invention can cluster a large number of urban residential buildings into a small number of types, reduces the workload of simulation, and does not need to carry out carbon energy simulation on each urban residential building, but only needs to carry out simulation on the typed residential buildings.

The invention relates to a comprehensive energy simulation planning design system. The system comprises a map import module, a condition planning module, a resource statistics module, an index settingmodule, a load estimation module, a scheme setting module and a scheme optimization module. Energy is supplied to the to-be-supplied area from the energy station area with the lowest operation cost,the maximum renewable energy utilization rate and the highest investment yield as the targets, and therefore reasonable distribution and utilization of energy are achieved.

The invention discloses a multi-energy compound energy simulation system and an energy system management strategy. Output characteristic curve simulation of each energy collector simulation sub-moduleis realized, and the system is used for evaluating energy output capacity of each energy collector simulation sub-module. Performance of each energy collector can be optimized by taking the system asa reference in compound energy system design. In addition, transient simulation of working state of the whole system is realized and conducted according to a specified energy management strategy, andstability and load capacity of the whole system during running can be evaluated. Further, optimization of the management strategy and performance cooperation of devices in the compound energy systemis realized, and development efficiency of the compound energy system can be improved.

The invention discloses a method for analyzing the operation energy efficiency of a refrigerating machine room and achieving high efficiency and energy conservation after optimization. The method is characterized by comprising the steps of original design energy efficiency simulation, design of a technical implementation scheme, equipment type selection optimization, pipeline optimization, group control system optimization, machine room mounting construction, machine room equipment debugging, energy efficiency certification and acceptance and operation and maintenance management; the original design energy efficiency simulation comprises the steps that according to the ASHARE standard, the original design energy efficiency of the refrigerating machine room system is simulated, main parameters of equipment are input, Hourly Analysis Program software is used in cooperation for carrying out annual load energy simulation to estimate the cold consumption, and the refrigerating machine room EER is equal to annual accumulated total cold consumption / annual accumulated total electric quantity. The construction process is simple, and the purposes of high efficiency and energy conservation can be effectively achieved after the refrigerating machine room is optimized.