362 results about "Fan-in" patented technology

The invention provides an anti-surge control method. The anti-surge control method comprises the following steps: acquiring historical data of a surge point; inputting the historical data of the surge points into the to-be-trained model to obtain an anti-surge model; based on the anti-surge model, determining an anti-surge line of the fan; the anti-surge line is generated by translating the abscissa of the surge line of the fan in the anti-surge coordinate system rightwards by a first preset unit and translating the ordinate downwards by the first preset unit; the real-time fan inlet flow and the real-time fan total energy head of the fan are obtained, and the real-time working condition point of the fan is determined; whether the real-time working condition point is located below an anti-surge line or not is judged, and if not, the opening degree of an anti-surge valve is adjusted to 100%; if yes, the anti-surge opening degree and the anti-surge valve opening time are determined based on the real-time working condition point, the anti-surge valve is opened according to the anti-surge valve opening time, the anti-surge valve is controlled to operate at the anti-surge opening degree, and the problem that the position area where the working condition point of the draught fan is located cannot be accurately and automatically adjusted at present is solved.

The invention discloses a fan operation abnormal vibration monitoring method and system based on multi-sensor fusion, and relates to the technical field of fan operation monitoring, and the method comprises the following steps: deploying a plurality of types of sensors on a fan, collecting the data of each sensor in real time, carrying out the synchronous processing of the sensor data through employing an IEEE1588 protocol, carrying out the preprocessing through combining wavelet denoising, and carrying out the monitoring of the abnormal vibration of the fan. Extracting feature data by using a principal component PCA combined independent component ICA analysis method; according to the method, multiple types of sensors are deployed on the fan, the actual conditions of the offshore wind field are considered, fine processing and feature extraction are carried out after multi-source signals are collected in real time, the abnormal vibration condition of the fan in the coastal or offshore wind field under the complex environment is accurately monitored and reliably recognized, and therefore the early abnormal features of fan operation can be captured in time; normal changes and real fault anomalies caused by environmental factors are effectively distinguished, and early discovery of faults is further realized.

The utility model discloses fan dispensing inspection and magnetic ring assembly equipment which comprises a control module and a lower rack, the pushing mechanism, the dispensing mechanism, the visual camera inspection mechanism, the module carrying mechanism, the grabbing and moving mechanism, the tape clip automatic push-out mechanism, the automatic tape winding mechanism, the tape assembling and pressing mechanism, the discharging mechanism and the control module are in circuit connection with the control module. The visual camera inspection mechanism is used for detecting the dispensing condition and feeding back the dispensing condition to the control module, so that the production efficiency is greatly improved and the reject ratio is reduced; the equipment adopts an automatic assembly operation mode, so that the assembly precision is greatly improved, the dynamic balance is very stable, the noise of the cooling fan in the rotating process is reduced, and the service life is also greatly prolonged; by replacing the positioning carriers of the products, the products of various specifications can be compatible at the same time, and the products are convenient and fast to replace and produce; the labor is reduced, the yield is increased, and the product quality is improved.

The invention relates to the technical field of automatic control, and discloses a fan power control method. The method comprises the following steps: firstly, acquiring current environmental parameters to correct a laboratory reference health characteristic curve, and generating a theoretical health reference curve; and then, sending a characteristic disturbance sequence to the fan motor and synchronously acquiring data. By comparing the in-service characteristic curve with the theoretical health reference curve, the performance degradation index reflecting the degradation degree is calculated. And generating a dynamic compensation coefficient according to the index to adjust the initial target power. And finally, executing power closed-loop control by taking the final target power as a set value. According to the method, the actual performance degradation of the fan can be quantitatively evaluated, and the control precision and the performance consistency of the fan in the whole life cycle and in different operation environments are improved. In addition, the interference of air density fluctuation caused by factors such as altitude and seasonal change on the power reference is eliminated, and the control robustness of the fan in different geographic positions and working environments is improved.

The invention discloses a hierarchical layout and wiring method and system based on a quantum cellular automaton circuit, and the method comprises the steps: obtaining an original logic netlist which comprises a first logic sequence among a plurality of nodes, the first fan-in and fan-out information of each node, and a first hierarchy; preprocessing the original logic netlist to obtain a first logic netlist layered according to logic depth; according to a preset layout strategy, inter-layer long lines which do not conform to global clock synchronization are eliminated, and cross lines are optimized, so that a second logic netlist is obtained, and the second logic netlist comprises a second logic sequence among the multiple nodes, second fan-in and fan-out information of all the nodes and a second level; and dynamically wiring the plurality of nodes in the second logic netlist according to a preset wiring strategy, and distributing clock signals. According to the method and the system, the layout and wiring quality and reliability of a quantum cellular automaton (QCA) circuit are remarkably improved.

A method includes: receiving an integrated circuit design; classifying, by the processing device, a signal path of a sub-circuit of the integrated circuit design based on a connection between an input port of the signal path and a component of the sub-circuit to generate a classification of the signal path; computing, by the processing device, a security vulnerability result of the sub-circuit of the integrated circuit design based on the classification of the signal path and based on a trust level of a zone in a fan-in cone to an input port of the signal path; and generating a security vulnerability report based on the security vulnerability result of the sub-circuit of the integrated circuit design.

The invention discloses a time sequence optimization method of a clock tree and a computer readable storage medium, and relates to the technical field of clock tree synthesis and time sequence optimization. The method comprises the steps that a to-be-processed time sequence path is obtained, time sequence optimization is conducted on the to-be-processed time sequence path from the to-be-processed time sequence path, and time sequence optimization comprises the steps that a register with the minimum time sequence margin is determined as a to-be-processed register; determining a target fan-in end timing margin according to the plurality of fan-in end timing margins of the to-be-processed register; and / or determining a target fan-out end timing margin according to the plurality of fan-out end timing margins of the register to be processed; calculating a clock offset according to the target fan-in end timing margin and / or the target fan-out end timing margin; adjusting the time sequence margin of each fan-in end of the register to be processed and / or the time sequence margin of each fan-out end of the register to be processed according to the clock offset; and updating the to-be-processed time sequence path until a set ending condition is met.

The invention discloses a fan rotating speed adjusting method and device, equipment, a storage medium and a program, and relates to the technical field of servers, the fan rotating speed adjusting method comprises the steps that basic information of a target server is obtained from a server management system, the basic information comprises temperature information when the target server runs and firmware version information used by the target server, and the temperature information is stored in the server management system; obtaining hardware configuration information of the target server; determining a real-time running state of a target server according to the basic information, and determining whether the target server needs to carry out standby speed regulation of a cooling fan or not; and adjusting the running rotating speed of the cooling fan based on a determination result of standby speed regulation and the real-time running state. The problems of energy waste caused by continuous low-speed operation of the fan and assembly overheating caused by long-time standby due to complete stalling of the fan in the related technology are solved.

The invention discloses an intelligent control system and method for a small and miniature direct-current brushless fan based on the Internet of Things, and relates to the technical field of brushless fan control. The small and miniature direct current brushless fan intelligent control system based on the Internet of Things comprises a fan heat dissipation fault analysis control module, a fan coupling fault identification control module and a fan fault protection analysis control module. According to the method, whether stator winding heat dissipation parameter optimization is carried out or not is judged through stator winding heat dissipation fault analysis, then whether electrical coupling identification optimization is carried out or not is judged through electrical coupling fault analysis, and finally whether safety protection parameter optimization is carried out or not is judged through fan safety protection analysis. The electrical coupling fault recognition reliability of the small and miniature direct current brushless fan in the communication process of the Internet of Things is improved, and the problem that the fan fault protection timeliness of the small and miniature direct current brushless fan is not high due to the fact that the control accuracy of the corresponding fan heat dissipation process is not high in the communication process of the Internet of Things in the prior art is solved.

The utility model relates to the technical field of permanent magnetic mechanisms, and discloses a permanent magnetic mechanism for a circuit breaker, which comprises a circuit breaker shell, the outer wall of the circuit breaker shell is fixedly connected with a connecting sheet, the outer wall of the connecting sheet is provided with a mounting hole, and the top of the circuit breaker shell is fixedly provided with a vacuum bubble. The outer wall of the vacuum bubble is fixedly sleeved with a porcelain sleeve, the bottom of the vacuum bubble is fixedly connected with a pole, and the outer wall of the pole is connected with a threaded sleeve. After permanent magnet equipment on the device works in an inner cavity of a loading cavity for a long time, in order to ensure that magnets and other parts in a permanent magnet mechanism can stably work under the normal temperature condition, the fans in the inner walls of the heat dissipation openings in the corresponding positions are used for pumping air, so that the temperature in the device is reduced through the fans on the device, and the service life of the device is prolonged. And performance reduction or damage caused by over-high temperature is avoided.

The invention provides a fan speed regulation method and device.The fan speed regulation method comprises the steps that under the condition that a first fan in computing equipment breaks down, fault information of the first fan and equipment parameters of the computing equipment are obtained; based on the fault information and the equipment parameters, performing temperature prediction on the computing equipment through a temperature prediction model to obtain a predicted temperature; according to the normal temperature, the predicted temperature and the fault information of the computing equipment, the speed of the fan to be subjected to speed regulation is regulated; the fan to be subjected to speed regulation is a first fan or other fans except the first fan. Thus, the fault information and the equipment parameters are obtained, the predicted temperature is obtained through the temperature prediction model, the speed of the first fan or other fans is adjusted in combination with the normal temperature and the fault information, and accurate and effective control over the rotating speed of the fans is achieved.

The invention discloses a fan voltage control method and device, a storage medium, an electronic device and a circuit. The method comprises the steps that a power supply source of a fan and the battery capacity of the fan are detected in the working process of the fan; determining whether the working scene of the fan needs to be switched according to the power supply source of the fan and the battery power of the fan; under the condition that it is determined that the working scene of the fan needs to be switched, target voltage under the target working scene of the fan is determined; and the first voltage of the fan in the current working scene is adjusted to be the target voltage, and the duty ratio of the fan is adjusted so that the rotating speed of the fan can be kept consistent with the current working scene in the target working scene. Severe fluctuation and instability of the rotating speed of the fan are restrained, and it is ensured that the rotating speed of the fan is kept stable in the scene switching process.

The utility model discloses an annular multi-user quantum key distribution system based on space division multiplexing. The annular multi-user quantum key distribution system comprises a Charlie relay end, a plurality of user ends and an annular quantum channel, the Charlie relay end and the plurality of user ends are respectively accessed to the annular quantum channel; the Charlie relay end comprises a multi-wavelength pulse generation module, a fan-in module, a first beam splitter, a first fan-out module and a detection module. The utility model discloses an annular multi-user quantum key distribution system based on space division multiplexing, which is characterized in that a multi-wavelength pulse generation module emits pulses with multiple wavelengths, the pulses are coupled to a specified fiber core of a multi-core optical fiber through a fan-in module, and then the pulses reach specified user sides through an annular quantum channel; spatial division multiplexing is utilized to realize simultaneous communication of a plurality of user sides, so that the communication capacity is expanded, and the non-linear effect in the optical fiber is prevented from being increased. And meanwhile, a Sagnac ring structure is adopted, so that the phase stability is very good.

The application discloses a kind of dynamic response monitoring method and system of large-size fan, belong to electric power equipment remote monitoring technical field, the method is: obtaining the component structure image and sensor data of the component to be detected;According to the external structure change of the component structure image to the component to be detected is detected, obtains the external abnormal characteristics of the component to be detected;According to temperature change data and the material type and structure size of the component to be detected, simulate the internal structure change of the component to be detected, obtain the internal abnormal characteristics of the component to be detected;Based on external abnormal characteristics and internal abnormal characteristics, in combination with meteorological change situation and fan operation data, analyze fault reason, obtain fault diagnosis result.Therefore, by implementing the present application, it can solve the problem that the external and internal of fan component are detected quickly and accurately for fault reason and fault position without suspending the operation of fan in prior art, and a comprehensive and accurate fault diagnosis result is obtained.

The present disclosure provides a server heat dissipation regulation method and device, belonging to the technical field of server heat dissipation, aiming to solve the problem that the heat dissipation mode proposed by the related art will cause excessive increase of fan rotating speed, and the temperature of external device expansion card will be accumulated and over-temperature in the initial process. The method comprises: before the target firmware is started, according to the environmental temperature and the temperature information of the external device expansion card, determining a first target regulation parameter; the first target regulation parameter is used to regulate the fan rotating speed before the target firmware is started; after the target firmware is started, matching the first identification information corresponding to each temperature information with the second identification information corresponding to each slot information, and at least according to the inconsistent identification, determining the second target regulation parameter of each fan in the server; the second target regulation parameter is used to regulate the fan rotating speed after the target firmware is started.

Provided in the present disclosure are a power-reduction control method and apparatus for a wind power plant, and a controller and a storage medium. The power-reduction control method comprises: in response to the frequency of a grid-connected point being greater than an over-frequency threshold parameter, determining a full-field power reduction amount that needs to be adjusted by means of a wind power plant; calculating an inertia adjustment time; and in response to the inertia adjustment time being less than or equal to an adjustment time parameter, generating a first control instruction, wherein the first control instruction is configured to instruct a fan in the wind power plant to reduce power in a power-reduction manner of using non-braking resistance.

An information handling system includes a powered hardware processor and a memory device. The information handling system includes an ion emitter / collector blower cooling system including an ion emitter / collector blower having an ion emitter and an ion collector, the ion emitter / collector blower being operatively coupled to a fan and located between the fan and an exhaust vent formed in a top edge of the chassis of the information handling system. An ionic driving circuit is operatively coupled to the ion emitter via a high voltage to ionize gases at the ion emitter / collector blower to create charged ions that generate an airflow to and through the ion collector. The information handling system also includes an air intake vent located at the fan in the chassis so that the airflow is brought into the chassis via the fan, through the fan and ion emitter / collector blower, and out of the air exhaust vent.

The application discloses a control method and system for regulating and controlling output electric power of a fan of a control cabinet and equipment thereof, and relates to the technical field of electric power regulation and control, and comprises the following steps: obtaining internal data and external data of the control cabinet based on time series data, wherein the internal data comprises an internal temperature value, an internal humidity value and an internal fan output electric power in an internal environment of the control cabinet, and the external data comprises an external temperature value and an external humidity value in an external environment; generating an internal fan output electric power prediction model of the control cabinet based on the multiple sets of internal data and external data; and calibrating an internal fan output electric power prediction value based on an electric power error parameter to generate a calibrated internal fan output electric power value of the control cabinet, thereby ensuring the accuracy of the internal fan output electric power prediction value predicted by the internal fan output electric power prediction model and the accuracy of the internal fan output electric power of the fan in the control cabinet, and improving the regulation and control accuracy of the remote control cabinet.

The utility model discloses an adapter with a communication function, which relates to the technical field of power adapters, and comprises a bottom shell assembly, a circuit board is mounted in the bottom shell assembly, a communication module is integrated on the circuit board, two ends of the circuit board are respectively connected with a power line, a first lead and a second lead, and the first lead and the second lead are connected with a power source. The first wire is connected with the fan and is used for supplying power to the fan and transmitting various operating parameters of the fan to the circuit board, the second wire is connected with a terminal such as a mobile phone or a computer and is used for transmitting various operating parameters of the fan to the terminal, and three groups of joints are arranged at two ends of the circuit board. The power line, the first wire and the second wire are respectively connected with the three groups of joints, the first wire is used for providing power for the fan and transmitting various operation parameters of the fan to the circuit board, and then the communication module and the second wire are used for transmitting the various operation parameter data to a terminal, so that a worker can know the operation of the fan in real time; and checking whether a fault occurs.

The application discloses a timing exception constraint and timing constraint propagation method, processing method and medium. The timing exception constraint propagation method comprises the following steps: capturing pin or port information of a timing exception constraint to be replaced; analyzing positions of pins or ports of the timing exception constraint to be replaced relative to instances; if positions of pins or ports of the timing exception constraint to be replaced in a certain option are inconsistent relative to the instances, or if fan-in of a pin or port of the timing exception constraint to be replaced can be traced to an input pin of an instance, and fan-out of the pin or port can be traced to an output pin of the instance, then a DFS replacement step is selected to replace the timing exception constraint to be replaced, otherwise a BFS replacement step is selected to be downward propagated. The application analyzes specific conditions of the timing exception constraint, and selects a corresponding propagation replacement method, so that the replacement efficiency is improved.

The invention discloses an air cooling radiator fan rotating speed control method and system, and relates to the technical field of fan control, and the method comprises the following steps: collecting vibration acceleration data on a controller circuit board of a multi-fan array; evaluating the current vibration state of the fan system based on the vibration acceleration data; adjusting a synchronization error allowable range of the multi-fan array based on the vibration state; acquiring real-time rotating speed information of each fan in the multi-fan array; generating a signal correction instruction based on the synchronization error allowable range and the real-time rotating speed information of each fan; and adjusting the rotating speed of each fan in the multi-fan array on the basis of the signal correction instruction. The embodiment of the invention has the advantages of effectively coping with the rotating speed synchronous control challenge of the fan system in different vibration states by dynamically adjusting the allowable range of the synchronous error, and avoiding the instability of the control system and hardware degradation caused by mechanical resonance.

The utility model discloses an automatic monitoring device for power dispatching, which comprises a monitoring frame, one side of the monitoring frame is movably connected with a centralized detection frame, the other side of the monitoring frame is movably connected with a decentralized detection frame, and the outer side of the centralized detection frame or the decentralized detection frame is movably connected with a matching frame. An ultrasonic flaw detector or a cooling fan is fixedly mounted on one side of the matching frame, the ultrasonic flaw detector is used for detecting cracks of elements in the power dispatching box, and the cooling fan is used for cooling the power dispatching box. When monitoring equipment is used, crack detection can be carried out on the equipment by matching with the frame belt ultrasonic flaw detector or the cooling fan, whether internal elements of the power dispatching box have cracks or not can be observed, and heat dissipation can be carried out on the box body through the cooling fan in the monitoring process; the workload of elements in the power dispatching box is reduced, and the heat dissipation defect is made up.

The invention discloses a fan variable pitch control method and system, and relates to the technical field of wind power generation. Obtaining the operation power and the operation time of each fan in the target area to obtain an operation data set, and clustering the operation data to obtain operation abnormal parameters; environment data of the target area are obtained, and fan change parameters are obtained in combination with the operation abnormal parameters; and according to the fan change parameters, wear judgment is conducted on the target fan, and if wear of the target fan is abnormal, variable pitch control is conducted. Clustering analysis is carried out on the operation data, operation abnormal parameters are rapidly recognized, preliminary diagnosis is provided for the health state of the draught fan, the change parameters of the draught fan are calculated in combination with environment data, abnormal judgment is more accurate and is close to the actual operation environment, abrasion judgment is carried out based on the change parameters of the draught fan, and variable pitch control is carried out to optimize the operation state of the draught fan. Fan faults can be effectively prevented, the service life of equipment is prolonged, the fan operation efficiency can be optimized, and the overall performance and reliability of a wind power plant are improved.

The invention provides a test method and test system of a cooling fan, and relates to the technical field of computers, the cooling fan comprises a driving member, a rotating member and a blade assembly, the rotating member is in transmission connection with the driving member, and the blade assembly is connected with the rotating member, the test method comprises the following steps: obtaining a first rotating speed of the rotating member when the driving member drives the rotating member to rotate, and the blade assembly is detached from the rotating piece. And arranging a counterweight structure with a target weight on the rotating piece to enable the rotating speed of the rotating piece to be the first rotating speed. According to the invention, the noise generated by the cooling fan in the test process can be reduced.

The invention discloses a high-precision wind power plant grouping equivalence method considering dynamic characteristics, electronic equipment and a storage medium, and relates to the field of power systems and automation thereof. Comprising the following steps: acquiring steady-state point data and dynamic response data of a single fan, and establishing association between steady-state points and dynamic characteristics; based on the dynamic response time sequence data, performing time sequence clustering by adopting a Pearson's correlation coefficient and an improved K-Means algorithm, and determining a clustering criterion; inputting steady-state data and fault conditions of each fan in an actual working condition scene, dividing fan groups according to a grouping criterion, calculating equivalent parameters based on a capacity weighting method, and generating a wind power plant equivalent model; and evaluating the equivalence precision by simulating and verifying the dynamic characteristics of the equivalence model. According to the method, the problem of insufficient precision in a traditional method is solved, an aggregation equivalence process and data characteristics are considered, accurate curve shape clustering is realized, the effectiveness of the method is ensured, and the clustering and clustering accuracy is remarkably improved.

The utility model relates to an inverter. The inverter comprises a body, a fan assembly and a connecting wire. The body is provided with a mounting groove and a first wiring terminal, and the first wiring terminal is provided with a wiring port; the fan assembly is detachably installed in the installation groove, the fan assembly comprises an installation support and a fan installed on the installation support, and the installation support is provided with a containing cavity; the two ends of the connecting wire are connected to the fan and the wiring port respectively. And the connecting wire extends along the length direction of the mounting bracket and is at least partially accommodated in the accommodating cavity. The problem that in the prior art, a fan connecting wire in an inverter body is prone to being twisted due to improper storage can be solved.

Provided in the present invention are a flue-gas-heat-storage-based frequency regulation method and apparatus for a thermal power unit including a low-temperature economizer. The method comprises: in response to a power-grid frequency deviation exceeding a dead zone, starting up a steam-turbine governor system, and on the basis of the steam-turbine governor system and the power-grid frequency deviation, calculating an expected power increment of a thermal power unit, an expected frequency variation of a condensate-water throttling condensate pump, and an expected fan frequency variation of a variable-frequency fan in a flu gas duct; on the basis of the expected frequency variation of the condensate-water throttling condensate pump and the expected fan frequency variation, controlling one or a combination of a flow-regulating valve in a condensate and extraction direction, a flow-regulating valve in a condensate and flue gas direction, and the fan frequency of the variable-frequency fan in the flue gas duct, so as to obtain a power control result; and when the power control result satisfies the requirement of the expected power increment of the thermal power unit, obtaining a frequency regulation result after the completion of frequency regulation. The present invention solves the problems in the prior art of the frequency regulation capability and utilization of flue-gas waste heat being insufficient.

The invention discloses a vibration reduction periodic structure for guiding directional transmission of vibration energy and a design method, and the vibration reduction periodic structure is formed by combining two basic unit cells with symmetrical structures to form the vibration reduction periodic structure in array arrangement; two basic unit cells are arranged on the two sides of a transmission path used for guiding directional transmission of vibration energy in the vibration reduction periodic structure respectively. Each basic unit cell is formed by original unit cells through rotation transformation; the original unit cell is of a hollow hexagonal embedded fan blade structure and comprises a hollow regular hexagonal frame and a plurality of fan blades evenly distributed on the inner side of the hollow regular hexagonal frame. The two basic unit cells in the vibration reduction periodic structure are obtained by rotating the fan blades in the original unit cells by the same angle in the forward direction and the reverse direction respectively. The problems that the implementation difficulty is increased and the vibration reduction effect is not ideal under the trend that a vibration structure system develops towards the direction of complexity, large scale and function diversification in an existing mode for reducing or avoiding harmful vibration are solved.

The utility model provides a computer case fan with a multi-layer mirror structure, which relates to the technical field of computer case fans, and comprises an upper frame body, a lower frame body arranged at the bottom of the upper frame body, a light guide plate arranged between the upper frame body and the lower frame body, and fan blades rotationally arranged at the central position of the lower frame body, a strip-shaped light ring assembly is arranged on the upper frame body and the lower frame body, a lamp strip enabling the strip-shaped light ring assembly to emit light is arranged between the upper frame body and the lower frame body, and a side multi-layer mirror structure is arranged on the side wall of the upper frame body and the side wall of the lower frame body. And an upper multi-layer mirror structure is fixedly mounted in the center of the surface of the fan blade through a fixing sleeve. According to the computer case fan, the visual experience of the computer case fan in use is effectively improved through the side multi-layer mirror structure and the upper multi-layer mirror structure, the periphery of the side multi-layer mirror structure, the periphery of the upper multi-layer mirror structure and the periphery of the fan blades have the light ring lamp effect through the strip-shaped light ring assemblies, and the visual experience of a user in use of the computer case fan is further improved.

The embodiment of the invention relates to the technical field of fan operation, in particular to a fan group classification control method and device of a direct air cooling power station. The method comprises the steps of obtaining a sensitivity vector of each fan based on a simulation operation parameter of each fan at a preset environment wind speed; based on the sensitivity vector, performing classification processing on the fan group to obtain a preset number of target classifications; on the basis of different influence degrees of the environmental wind on each target classification, the operation frequencies of all the fans in each target classification are adjusted, so that the operation frequencies of all the fans in each target classification are consistent, and the target classifications are in a decreasing rule according to the sequence of the influence degrees of the environmental wind from high to low; and the fan group in the air cooling power station is subjected to classified control. According to the technical scheme, the fan groups can be controlled in a classified mode according to different influence degrees of environmental wind on the fans, the influence of the environmental wind on the fans is reduced, the system adapts to complex terrain conditions, and the power generation efficiency is improved.