1805 results about "Flywheel" patented technology

The invention discloses a vehicle idling start and stop control system and method. The control system judges whether a vehicle has idling start and stop conditions by monitoring the water temperatureof an engine, the capacity of a storage battery, a safety belt and other information, judges whether the vehicle has conditions of stopping the engine by monitoring the rotating speed of the engine, the speed of the vehicle, the brake air pressure and other conditions, and judges whether the vehicle has conditions of starting the engine by monitoring the gear of a gearbox, the speed of the vehicle, a hand brake and other information. When the relevant conditions are met, start and stop work signals are sent to the engine though a CAN bus. In order to guarantee the reliability of frequent startand stop of the engine, the system strengthens flywheel gear rings of a starter and the engine. In order to ensure that the battery does not lose power, a storage battery capacity sensor is added tothe system on the basis of increasing the capacity of the storage battery, and the idling start and stop are allowed when the state of charge (SOC) of the storage battery satisfies a safe starting threshold. The idling start and stop control system has advantages of low cost and high reliability, and is especially suitable for commercial vehicles.

Narrow vehicles have multiple advantages but tend to have a limited application because they are roll unstable. The use of flywheels to increase their stability is a known method but the operation range, complexity, performance and cost usually limit the application of these vehicles. Stability and agility enhancement system and method enabling the application of stabilizing forces from flywheels and the steering of the trajectory concurrently and cooperatively with the driver's steering and assistance enable the benefit of reduced cost and complexity while providing enhanced performances, intuitive control, safety and operation range.

The invention discloses an aircraft landing gear shimmy test bed and a test method, the aircraft landing gear shimmy test bed comprises a main body rack, a hanging basket system, a large flywheel, a flywheel driving system, an excitation device and a follow-up displacement measurement system.The aircraft landing gear shimmy test bed can simulate the shimmy of an aircraft after undercarriages of different design configurations are subjected to interference excitation force or interference torque in the process of takeoff, taxiing, landing and the like of the aircraft; the control effect of the shimmy damping system on the stability of the undercarriage has short excitation time so as to simulate real working conditions, the shimmy stability performance of the undercarriage can be accurately detected, excitation is continuously carried out under the condition that the test state is continuously changed, and the working efficiency is greatly improved. The follow-up displacement measuring system designed by the invention can enable the exciting force and the center of the axle to be always kept on the same horizontal plane, can apply torque control and torque excitation control, is suitable for undercarriage shimmy tests with different axle heights, different tire diameters and different excitation modes, and has certain universality.

The invention belongs to the technical field of power system operation and motors, and particularly relates to an energy storage type phase modifier control method which comprises the steps that a rotating shaft of a double-fed motor is connected with a flywheel to serve as an energy storage type phase modifier; the rotor winding is connected to a power grid through an excitation system and a transformer in sequence, and the excitation system is electrically connected by a reactor, a back-to-back converter and a filter in sequence; the stator winding is directly connected to a power grid; the control system decouples reactive power and active power, vector control is carried out on exciting current to absorb or release power, and reactive power-voltage support and active power-frequency support of the power grid are completed. The method overcomes the defects that a traditional direct-current excitation phase modulation mode can only modulate phase and cannot modulate frequency, or is cumbersome and slow in response. The system can meet the requirement of wide-range variable-speed operation, quickly store / release a large amount of rotor kinetic energy, inhibit the voltage and frequency fluctuation of a power grid, and is especially suitable for stations with high new energy occupation ratio. The invention also provides a non-transitory readable recording medium storing the program of the method and a system comprising the medium, and the program can be called through a processing circuit to execute the method.

The invention relates to a cable feed device (1) for a robot (2), comprising: - a rotatably drivable first cable drum (8); - a rotatably mounted second cable drum (9), wherein the cable drums (8, 9) are at least indirectly connected to a first segment (4); - a deflection roller (14), which is operatively connected to a second segment (5) pivotably arranged about an axis of rotation (24) relative to the first segment (4); - a cable (6), which is wound on the deflection roller (14) and the free ends of which are each fastened to one of the cable drums (8, 9); and - a first freewheel (15) and a second freewheel (16) which are operatively connected to the deflection roller (14), wherein the first freewheel (15) moves into a coupling state when the deflection roller (15) is rotated in a first direction of rotation, wherein the second freewheel (16) moves into a coupling state when the deflection roller (14) is rotated in a second direction of rotation counter to the first direction of rotation, and wherein a cable feed drive (17) with a transmission ratio not equal to 1 is operatively arranged between the first freewheel (15) and the second segment (5) or between the second freewheel (16) and the second segment (5). The invention also relates to a robot (2) having such a cable feed device (1).

The invention relates to the technical field of flywheel and battery hybrid energy storage control, and discloses a quick power response and energy management method of a flywheel and electrochemical hybrid energy storage system. The method comprises the following steps of: acquiring flywheel rotating speed, kinetic energy allowance, battery end voltage and internal resistance in real time to form a state vector, performing consistency correction on an initial power decomposition instruction according to the state vector, and generating a final power instruction matched with unit real-time capability. Meanwhile, by monitoring the change trend of the flywheel kinetic energy and the battery charge state, a power decomposition coefficient is dynamically adjusted according to a preset coordination rule, and the power decomposition coefficient is fed back to an initial decomposition link to form closed-loop control. According to the method, accurate matching of the power instruction and the dynamic characteristics of the energy storage unit is realized, and the safety and accuracy of system response are improved; and through closed-loop trend adjustment, the long-acting adjustment capability and operation stability of the system are maintained.

The utility model provides a mobile house hoisting device which comprises a parent anchor and a child anchor, steel shells are arranged at the bottoms of the parent anchor and the child anchor, a main lifting lug is arranged at the top of the parent anchor, auxiliary lifting lugs are arranged on the side faces of the parent anchor and the child anchor, an external member is arranged at the top of the child anchor, fixing holes are formed in the side face of the external member, and sliding holes are formed in the side faces of the steel shells; the assembling base is provided with an extending body which is fixedly connected with a power device through a fixing frame, the power device is in driving connection with a flywheel, the assembling base is provided with a sliding groove, a bolt is movably installed in the sliding groove, and the flywheel is in driving connection with the bolt through a pull rod. Manual operation of workers is not needed in anchor point connection and disassembly, the sub-anchors are automatically clamped with or fixed to the anchor points of the container house, hoisting operation of the container house is completed, the workers do not need to climb on the roof of the container to conduct anchor point connection operation, potential safety hazards during hoisting operation are eliminated, and working efficiency is improved.

The invention provides a multi-mode cross data fusion scheduling method for a flywheel and battery hybrid energy storage system, and the method comprises the steps: collecting multi-mode signals in parallel, and fusing and packaging the multi-mode signals into a multi-mode data vector with a unified time sequence. Preprocessing and normalizing the multi-mode data vector to obtain a preprocessing sequence, and extracting a multi-dimensional grid-connected feature from the preprocessing sequence; and constructing a feature association graph based on the multi-dimensional grid-connected features, and fusing node risks of the feature association graph through a linear diffusion model to determine a grid-connected readiness score. And mapping the grid connection preparation degree score to a preset interval to determine a slope starting time window. And performing slope parameterization processing based on the slope starting time window to construct a power step sequence, and generating a plurality of control packets for issuing instructions according to power steps according to the power step sequence. According to the method, by generating a progressive grid-connected power slope, stage injection of short-circuit current is achieved, and one-time large current impact is avoided.

The invention discloses a one-key automatic die adjusting system of a die cutting machine and a control method, and relates to the technical field of die cutting machines, the system comprises a die cutting mechanism which is provided with an upper die plate and a lower die plate from top to bottom, the upper die plate is provided with a cutting die, and the lower die plate is installed on a rack; the upper die plate is in transmission connection with a crankshaft flywheel driven by a main motor through a guide column and used for driving the cutting die to move back and forth and punching a to-be-cut material in cooperation with the lower die plate. A pressure regulating unit is arranged in the rack, and a pressure regulating motor drives the upper template through a screw rod mechanism, so that the distance between the upper template and the lower template is accurately regulated; automatic mold adjustment is achieved through input of the interaction screen, after the PLC controls the main motor to drive the upper mold plate to descend to the lowest point, the pressure adjusting motor conducts fine adjustment, and the mold adjustment process is completed; automatic die adjustment is controlled through the system, the die adjustment time is shortened, the die adjustment precision and consistency are improved, manual dependence is reduced, it is ensured that die cutting pressure is precise and controllable, and the equipment efficiency and the utilization rate are improved; the problems of precision and stability existing in manual mold adjustment are solved.

The invention discloses a self-adaptive frequency modulation method and system for a battery energy storage-flywheel-hydrogen energy hybrid energy storage system. The method comprises the following steps: power grid frequency dynamic feature extraction and active power vacancy calculation; power demand three-dimensional decoupling based on frequency change emergency degree; designing a dynamic weight distribution function and calculating an adaptive weight; embedding a multi-objective optimization decision and life economy; energy storage state self-adaptive coordination and power redistribution based on multiple constraint conditions; and performing coordinated control and instruction execution. According to the invention, the frequency stability and operation economy of the high-proportion new energy power grid can be further improved. According to the scheme, the dynamic characteristics of the power grid frequency are sensed in real time, power requirements are precisely decoupled and are adaptively allocated to energy storage devices with different characteristics, and meanwhile, a multi-target optimization decision mechanism is embedded, so that the system response performance, the equipment service life and the full life cycle cost are collaboratively optimized.

A bearing and flywheel system can include a first bearing portion having an opening of a first dimension there through and a central longitudinal axis, a second bearing portion having a second dimension, the second dimension being smaller than the first dimension, and a flywheel coupled to the second bearing portion. The bearing portions can include high-temperature superconductor(s) and / or magnets. The second bearing portion can be disposed at least partially within the opening through the first bearing portion. A gap can exist between an outer surface of the second bearing portion and an inner surface of the first bearing portion. The second bearing portion can be configured to rotate relative to the first bearing portion.

The invention discloses a flywheel system bearing assembly multi-dimensional rule reduction health state testing method, and relates to the technical field of flywheel system bearing assembly health state testing. Acquiring an actual measurement data set of the flywheel system bearing assembly; determining a confidence coefficient corresponding to the reference value set and the result, and constructing an initial health state test model based on a confidence rule base; constructing a multi-dimensional rule evaluation framework; performing composite activation on the reduced model; optimizing parameters in the model by adopting an optimization algorithm; and reasoning the model by using an evidence reasoning analysis algorithm to obtain a health test result of the flywheel system bearing assembly, and realizing an accurate health state test through the evidence reasoning algorithm.

The invention relates to the technical field of aircraft control, in particular to a control-surface-free aircraft control system based on synthetic jet and a momentum wheel, which comprises a lift force and attitude control subsystem, a steering control subsystem, a propulsion subsystem, a cooperative control unit and an attitude and navigation sensor. The lift force and attitude control subsystem independently controls different areas to generate local lift force difference through a synthetic jet generator matrix integrated on the surface, and rolling and pitching control is achieved. And the steering control subsystem changes the angular momentum direction of a flywheel through a control moment gyroscope arranged in the steering control subsystem, and generates reaction moment to control yawing. The propulsion subsystem provides a primary forward thrust. The cooperative control unit receives a sensor signal, generates an instruction according to a preset strategy, coordinates the subsystems to work cooperatively, and achieves whole-airspace flight control without an exposed control surface.

Provided is a fitness bike. The fitness bike includes a frame, a toggle member and a drive assembly. One end of the toggle member is movably connected to a handlebar of the frame, and the toggle member is capable of being toggled by a hand gripping on the handlebar. The drive assembly is disposed on a body of the frame and includes a load motor, a transmission mechanism and pedals, where a motor shaft of the load motor is drivingly connected to the pedals via the transmission mechanism. In the fitness bike, the load motor is used for providing resistance to simulate resistance received in a riding process, thereby eliminating a traditional flywheel structure, improving safety, lightening a weight and reducing a volume.

The invention relates to a drive device (2) for a bicycle (1), comprising a pedal crank shaft (19), a first electric machine (18), a first partial transmission (6), a second electric machine (49), and a second partial transmission (7), wherein a first transmission element of the first partial transmission (6) is operatively connected to the first electric machine (18), wherein a second transmission element of the first partial transmission (6) is operatively connected to a second transmission element of the second partial transmission (7), wherein a third transmission element of the first partial transmission (6) is operatively connected to an output gear (8), wherein a first transmission element of the second partial transmission (7) is operatively connected to the second electric machine (49), and wherein a third transmission element of the second partial transmission (7) is fixed to a housing (3), and wherein a freewheel (14) is arranged between the pedal crank shaft (19) and the second transmission element of the first partial transmission (6).Furthermore, the invention relates to a bicycle (1) with such a drive device (2).

The invention provides a dynamic balance detection machine for flywheel production, and belongs to the technical field of flywheel balance detection. Comprising a balancing machine body, a data displayer and a drilling machine are fixedly connected to the two sides of the top of the balancing machine body respectively, a driving device is arranged in the balancing machine body, the balancing machine is characterized in that the output end of the driving device is fixedly connected with a rotating disc, and the top of the rotating disc is fixedly connected with a clamp chassis; and the transfer structure is located at the top of the clamp chassis, the transfer structure is connected with the clamp chassis, and the transfer structure and an output shaft of the driving device are located on the same straight line. By arranging the supporting extrusion structure, manual pressure of the flywheel and a worker is used as a power source, and the manual pressure is converted into clamping force in the horizontal direction through the supporting extrusion structure, so that the inner wall of the flywheel is extruded and fixed, and the mechanical principle is met; and for a non-automatic balancing machine, the fixing time and the dismounting time of the flywheel can be greatly shortened.

The invention belongs to the technical field of commercial vehicles, and discloses a wiring structure and a commercial vehicle, the wiring structure comprises a wiring groove and a butt joint box, the wiring groove comprises a U-shaped groove body and a fixing part, the U-shaped groove body is fixed at the bottom of a flywheel shell, the fixing part is arranged in the U-shaped groove body and used for fixing a wiring harness, and the butt joint box is arranged in the U-shaped groove body. The butt-joint box is arranged on one side of the wiring groove and fixed on the side baffle of the storage battery frame, a first wiring hole is formed in the first end of the butt-joint box, a second wiring hole is formed in the second end of the butt-joint box, a fixing column used for installing the wiring end is arranged in the butt-joint box, and the wiring terminal is used for electrically connecting two wiring harnesses which penetrate into the butt-joint box from the first wiring hole and the second wiring hole respectively; the commercial vehicle comprises the wiring structure. According to the wiring structure and the commercial vehicle provided by the invention, the layout difficulty of the large-current wiring harness is effectively reduced, the wiring harness is more convenient to arrange, and the wiring harness is mainly arranged at the bottom of the flywheel shell and does not need to stretch across the left and right side frames for layout, so that the maintenance is convenient.

Disclosed are an internal magnetic control device, a flywheel assembly and a fitness equipment, wherein the flywheel assembly comprises a flywheel, an internal magnetic control device and a speed measuring device, wherein the internal magnetic control device comprises a housing unit, a driving unit, two swing arms and two sets of magnetic elements, wherein the driving unit is arranged at the housing unit; a pivoting end of each of the swing arms is rotatably mounted at the housing unit; a driven end of each of the swing arms is rotatably connected to the driving unit; the two sets of the magnetic elements are respectively arranged at each of the swing arms; wherein the flywheel is rotatably arranged around the internal magnetic control device, wherein the speed measuring device comprises a sensing element and an acting member.

A bicycle component for a bicycle freewheel unit, wherein the freewheel unit includes a rotary unit and a toothed disk device coupled with the rotary unit. The toothed disk device includes an end toothing with axial engagement components for engaging corresponding engagement components of another toothed disk device. The toothed disk device and the rotary unit are each configured as coupling components coupled to one another, and include a radial toothing each, for engaging with one another, and which are commonly rotatable. The rotary unit and the toothed disk device are movable in a peripheral direction relative to one another between a driving position and a rest position, so that prior to torque transmission starting, a coupling component is rotated in the driving direction about a clearance angle of at least 5°, until torque can be transmitted, when the two radial toothings have previously been in the rest position.

The invention provides a parameter determination method and device for an elastic flywheel, a storage medium and electronic equipment, and the method comprises the steps: constructing an optimization model, and carrying out the solving calculation of the optimization model according to an optimization variable, a constraint condition and an optimization target, and obtaining a calculation result; wherein the optimization variables are the number of the middle diaphragms, the thickness of a single middle diaphragm and the position relation between any two middle diaphragms, the constraint conditions are the total thickness of the diaphragms and the minimum strength range of the diaphragms, and the optimization target is to minimize the bending rigidity of the middle diaphragms; the target solution of the calculation result comprises the target diaphragm number of the middle diaphragms, the target thickness of each middle diaphragm and the target position relation between any two middle diaphragms. According to the method, under the condition that the torsional rigidity is not changed, the bending rigidity and strength are flexibly controlled by flexibly combining the number of diaphragms, the thickness of the diaphragms, the arrangement sequence of the diaphragms and the like, so that the effects of high reliability and shafting centering compensation capability are considered.

The invention provides a power grid online channel operation method based on multi-dimensional fusion identity and flywheel fission, and the method comprises the steps: obtaining the multi-dimensional identity information of a user, carrying out the fusion processing of the multi-dimensional identity information, and forming a unified user identity identifier; establishing a user tag system containing industry exclusive tags, and carrying out real-time circling selection on users based on the user tag system and a preset circling selection rule to generate a target user group; and initiating a marketing activity to the target user group. Executing the marketing activity on the basis of a multi-level cache mechanism, performing real-time acquisition, analysis and visual display on full-life-cycle data of the marketing activity, and performing iterative optimization on a strategy of the marketing activity according to an analysis result; therefore, the user identification accuracy can be improved, the marketing strategy can be dynamically optimized, the fission conversion efficiency can be improved, and the system response capability can be enhanced.

The invention relates to the technical field of resistance adjustment, in particular to a multifunctional spinning and a multifunctional spinning system, and the system comprises a pedaling frequency recognition module, a state judgment module, a stage control module, a load adjustment module and an output response module. According to the invention, through continuous analysis of the pedaling frequency and time information, accurate recognition of the rhythm fluctuation state, and combination of the linkage change of the flywheel rotation speed and the pedal pressure, the dynamic judgment of the motion stability and the matching mechanism of the training time and stage setting are realized; a resistance adjusting strategy is deduced according to the relation between flywheel acceleration and pedal pressure, the sensitivity and precision of regulation and control response are enhanced, the load weight is set by fusing the heart rate change trend, the resistance output is more matched with the individual physiological state, the load rhythm matching degree is optimized, and the training efficiency is improved. And the rhythm following capability, the resistance adjustment rationality and the training individuation level are integrally improved.

The utility model relates to the technical field of damping equipment, in particular to an electromagnetic damping device adopting a halbach permanent magnet array. The method is specifically applied to civil engineering building damping. Comprising a protective shell, and a spring unit, an electromagnetic damping unit and an inerter mass unit are arranged in the protective shell; the electromagnetic damping unit, the inerter mass unit and the spring unit are located on the left side and the right side of the protective shell respectively. According to the electromagnetic damping device adopting the halbach permanent magnet array, relative movement between the halbach permanent magnet array and a conductor is adopted to generate damping force, a mass flywheel and a spring are connected in combination with a gear rack, and mechanical energy is dissipated by generating huge inertial mass and utilizing reciprocating movement of the spring and generating eddy current damping force. According to the device, the spring unit, the inerter unit and the electromagnetic damping unit can operate together through vibration at any end, mechanical energy is consumed, and the purpose of damping is achieved.

The utility model provides an elliptical machine with an adjustable step pitch. The elliptical machine comprises a machine frame, a flywheel assembly fixedly arranged on the machine frame and two swing assemblies symmetrically arranged on the two sides of the machine frame. The swing assembly comprises a swing arm rod rotationally connected to the machine frame and a pedal rod hinged to the swing arm rod, a crank is connected to a driving wheel rotating shaft of the flywheel assembly, the free end of the crank is connected with an extension rod used for prolonging the length of the crank, and a plurality of installation holes evenly distributed in the length direction of the extension rod at intervals are formed in the extension rod. And the free end of the foot rest lever is rotatably connected to one of the mounting holes. The step pitch of the elliptical machine is adjusted by adjusting the free end of the foot rest lever to be connected to different mounting holes, so that the elliptical machine is suitable for users with different step pitches, and the use experience of the users is improved.

The utility model discloses a steam cleaning head and a steam cleaning machine thereof, and belongs to the technical field of steam cleaning, the steam cleaning head comprises a connecting rod, a steam channel for steam to pass through is arranged in the connecting rod, a flywheel is arranged on the connecting rod, the connecting rod is connected with a spray head through the flywheel, and a plurality of steam spray holes are formed in the spray head. And the flywheel rotates on the connecting rod under the action of steam pressure, and drives the spray head to rotate together during rotation. According to the structure, the flywheel and the spray head can be driven to rotate together by utilizing the air pressure of steam, so that the steam can be rotationally sprayed out on a plurality of steam spray holes in a large area, the defects that in the prior art, the steam can only be sprayed out in the specified direction and position, and the spraying area is small are overcome, all corners of a cleaned object can be in contact with the steam, and the cleaning efficiency is improved. Therefore, a user can clean the cleaned object in a large area without manual reciprocating movement, the use convenience of the user is improved, and the cleaning effect can be improved.

The embodiment of the invention provides a flywheel direct-driven cogeneration unit dynamic adjusting system and a control method thereof, in the embodiment of the invention, a magnetic suspension technology is adopted to eliminate friction of a traditional mechanical bearing, and quick starting and stopping of the rotating speed of a flywheel are realized; the high-temperature superconducting magnetic clutch achieves instantaneous mechanical coupling / decoupling of the flywheel and the circulating pump through the zero resistance characteristic, and the response time is short. The frequency modulation requirement of a new energy power grid can be matched, and meanwhile hard constraint of thermal load fluctuation on electric energy output is avoided. The mechanical direct-drive path directly utilizes the kinetic energy of the flywheel to drive the circulating pump, so that a multi-stage energy conversion link in a traditional mode is omitted; the electric adjusting path realizes bidirectional power exchange between the flywheel and a power grid through an energy interface device, and the loss of an inverter is reduced; and the high-temperature superconducting magnetic clutch realizes zero-energy-loss transmission in a coupling state. The magnetic suspension flywheel set adopts a non-contact suspension technology, so that mechanical wear is eliminated; the high-temperature superconducting magnetic clutch achieves non-contact transmission through magnetic coupling, and friction loss is avoided.

The utility model discloses a diesel engine flywheel gear ring gap detection device, which comprises a base, a rotating shaft, an inner gear, an outer gear and a measuring instrument, the base is detachably arranged at the connection position of a flywheel housing and a starting motor, the rotating shaft is arranged on the base through a bearing, and the inner gear is arranged at one end of the rotating shaft, extends into the flywheel housing and is meshed with a flywheel gear ring. The outer gear is installed at the other end of the rotating shaft, located outside the flywheel housing and close to the measuring instrument, the inner gear and the outer gear rotate synchronously, and the measuring instrument detects rotation of the outer gear. During measurement, the base is installed on the flywheel cover shell, the meshing state is fed back to the outer gear through meshing of the inner gear and the flywheel gear ring, then the clearance of the gears is reflected through rotation of the outer gear, the clearance amount of the inner gear and the flywheel gear ring can be clearly measured, and the measurement accuracy and convenience are improved.

The invention relates to a drive device (2) for a bicycle (1), comprising a pedal crank shaft (19), a first electric machine (18), a first partial transmission (6), a second electric machine (49), and a second partial transmission (7), wherein a first transmission element of the first partial transmission (6) is operatively connected to the first electric machine (18), wherein a second transmission element of the first partial transmission (6) is operatively connected to a second transmission element of the second partial transmission (7), wherein a third transmission element of the first partial transmission (6) is operatively connected to an output gear (8), wherein a first transmission element of the second partial transmission (7) is operatively connected to the second electric machine (49), and wherein a third transmission element of the second partial transmission (7) is fixed to a housing (3), and wherein a freewheel (14) is arranged between the pedal crank shaft (19) and the second transmission element of the first partial transmission (6).Furthermore, the invention relates to a bicycle (1) with such a drive device (2).

The invention discloses a low-carbon economic dispatching method and system for a hybrid energy storage-containing virtual power plant considering multiple uncertainties, and relates to the field of power system optimization dispatching, and the method comprises the steps: designing a pumped storage-flywheel-electrochemical hybrid energy storage layered cooperative regulation and control mechanism; a carbon capture-power-to-gas equipment dynamic collaborative operation model and a green certificate-carbon transaction dynamic coupling model are established, a day-ahead-day two-stage rolling optimization framework is constructed, and a hybrid energy storage capacity optimization configuration model is developed. According to the method, the complementary characteristic of multi-time scale energy storage and the cooperative potential of a low-carbon technology can be fully excavated, and double improvement of economy and environmental protection of the virtual power plant is realized.