Ferris wheel power supply quality detection method and system

Abstract

The present invention relates to the technical field of electric variable measurement, and in particular to a method and system for detecting the power supply quality of a Ferris wheel, the method comprising: obtaining a power supply power curve during the operation of the Ferris wheel and the total weight of passengers in each cabin of the Ferris wheel; determining the uniformity of the passenger weight distribution of the cabins of the Ferris wheel according to the total weight of the passengers in each cabin; determining a first matching degree according to the power supply power curve and the total weight of the passengers in each cabin when the passenger weight distribution of the cabins of the Ferris wheel is uneven; determining a second matching degree between the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in multiple complete cycles according to the first matching degree; determining that the power supply quality of the Ferris wheel meets a preset standard when the second matching degree is greater than a first threshold, and determining that the power supply quality of the Ferris wheel does not meet the preset standard when the second matching degree is not greater than the first threshold. The accuracy and reliability of the detection result of the power supply quality of the Ferris wheel are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electric variable measurement, and in particular to a method and system for detecting the power supply quality of a Ferris wheel. Background Art

[0002] The Ferris wheel is a large-scale amusement facility, which usually consists of a huge rotating wheel and multiple suspended carriages. Passengers can enjoy the fun of overlooking the surrounding scenery from a high altitude in the carriages. For the Ferris wheel, a stable power supply can not only ensure the normal operation of the Ferris wheel, but it is also equipped with redundant power supplies and emergency generators to deal with the problem of main power failure of the Ferris wheel. In terms of comfort, the stable power supply quality directly affects the passenger's riding experience, ensuring the smooth operation of the Ferris wheel and reducing vibration and discomfort.

[0003] During the operation of the Ferris wheel, in order to ensure the passenger experience, it is necessary to ensure that the Ferris wheel rotates at a constant speed. However, in reality, due to the uneven distribution of passengers on the Ferris wheel, the speed of the Ferris wheel will change. In order to prevent the speed of the Ferris wheel from changing due to the uneven distribution of passengers, the speed of the Ferris wheel is usually kept constant by changing the power supply, and the quality of the power supply for the Ferris wheel is also crucial to keep the Ferris wheel rotating at a constant speed. Therefore, testing the power supply quality of the Ferris wheel is a prerequisite for ensuring the uniform rotation of the Ferris wheel. Usually, the power supply quality of the Ferris wheel is monitored by the stability of the power parameters, but the fluctuation of the power parameters themselves is a normal phenomenon, and it is easy to misjudge. Therefore, this detection method results in poor accuracy in the detection results of the power supply quality of the Ferris wheel. Summary of the invention

[0004] In order to solve the technical problem that the accuracy of the detection result of the power supply quality of the Ferris wheel is poor, the purpose of the present invention is to provide a method and system for detecting the power supply quality of the Ferris wheel. The technical solution adopted is as follows:

[0005] In a first aspect, an embodiment of the present invention provides a method for detecting the power supply quality of a Ferris wheel, comprising: obtaining a power supply power curve during the operation of the Ferris wheel and the total weight of passengers in each cabin of the Ferris wheel; determining the uniformity of the passenger weight distribution of the cabins of the Ferris wheel according to the total weight of the passengers in each cabin; in the case where the passenger weight distribution of the cabins of the Ferris wheel is uneven, determining a first matching degree between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply power of the Ferris wheel according to the power supply power curve and the total weight of the passengers in each cabin; determining a second matching degree between the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in multiple complete cycles according to the first matching degree of multiple complete cycles of the Ferris wheel; in the case where the second matching degree is greater than a first threshold value, determining that the power supply quality of the Ferris wheel meets a preset standard, and in the case where the second matching degree is not greater than the first threshold value, determining that the power supply quality of the Ferris wheel does not meet the preset standard.

[0006] Optionally, determining the uniformity of the passenger weight distribution in the cabins of the Ferris wheel based on the total weight of the passengers in each cabin includes: determining the uniformity of the passenger weight distribution in the cabins of the Ferris wheel based on the total weight of the passengers in each cabin; and determining that the passenger weight distribution in the cabins of the Ferris wheel is uneven when the uniformity is less than a second threshold.

[0007] Optionally, determining the uniformity of the weight distribution of passengers in the cabins of the Ferris wheel based on the total weight of the passengers in each cabin includes: calculating the average weight of the passengers in each cabin based on the total weight of the passengers in each cabin; calculating the square of a first difference between the total weight of the passengers in each cabin and the average weight; superimposing the squares of the first differences of the cabins to obtain a superimposed value, and calculating a first ratio of the superimposed value to the number of cabins; and performing inverse proportional normalization processing on the first ratio to obtain the uniformity of the weight distribution of passengers in the cabins of the Ferris wheel.

[0008] Optionally, determining a first degree of match between the weight distribution of passengers in a complete cycle of the Ferris wheel and the power supply of the Ferris wheel based on the power supply curve and the total weight of passengers in each cabin includes: dividing the Ferris wheel into a first part and a second part along the central axis, and dividing a complete cycle of one rotation of the Ferris wheel into multiple small cycles; counting the first weight of passengers in the cabins in the first part and the second weight of passengers in the cabins in the second part in each small cycle; determining an average power supply in each small cycle based on the power supply curve; determining a first degree of match between the weight distribution of passengers in a complete cycle of the Ferris wheel and the power supply of the Ferris wheel based on the first weight, the second weight and the average power supply in each small cycle.

[0009] Optionally, determining a first degree of match between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply of the Ferris wheel based on the first weight, the second weight and the average power supply in each small cycle includes: calculating a second difference between the first weight and the second weight in each small cycle; calculating a third difference between the average power supply in each small cycle and the second difference, and a first variance of each third difference; and determining a first degree of match between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply of the Ferris wheel based on the first variance.

[0010] Optionally, determining a first degree of match between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply of the Ferris wheel based on the first variance includes: performing inverse proportional normalization processing on the first variance to obtain a first degree of match between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply of the Ferris wheel.

[0011] Optionally, determining a second degree of matching between the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in multiple complete cycles based on the first degree of matching over multiple complete cycles of the Ferris wheel includes: calculating an average degree of matching and a second variance of the first degree of matching over multiple complete cycles of the Ferris wheel; and determining a second degree of matching between the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in multiple complete cycles based on the average degree of matching and the second variance.

[0012] Optionally, determining the second degree of matching between the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in multiple complete cycles based on the average matching degree and the second variance includes: normalizing the average matching degree to obtain a normalized matching degree; inversely normalizing the second variance to obtain a normalized variance; and determining the product of the normalized matching degree and the normalized variance as the second matching degree.

[0013] Optionally, when the second matching degree is not greater than the first threshold, after determining that the power supply quality of the Ferris wheel does not meet the preset standard, the method also includes: correcting the frequency conversion motor parameters of the Ferris wheel; or, adding a voltage stabilizing device to the power supply system of the Ferris wheel; or, adding a backup frequency conversion motor to the power supply system of the Ferris wheel.

[0014] In a second aspect, an embodiment of the present invention provides a Ferris wheel power supply quality detection system, comprising: a processor and a memory; wherein the memory is used to store computer programs that can be run on the processor; the processor is used to execute the program stored in the memory to implement the steps of the Ferris wheel power supply quality detection method mentioned in the first aspect.

[0015] The present invention has the following beneficial effects: firstly, a power supply power curve during the operation of a Ferris wheel and the total weight of passengers in each cabin of the Ferris wheel are obtained; then, the uniformity of the passenger weight distribution of the cabins of the Ferris wheel is determined according to the total weight of the passengers in each cabin; secondly, when the passenger weight distribution of the cabins of the Ferris wheel is uneven, a first matching degree between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply power of the Ferris wheel is determined according to the power supply power curve and the total weight of the passengers in each cabin; and a second matching degree between the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in multiple complete cycles is determined according to the first matching degrees of multiple complete cycles of the Ferris wheel; finally, when the second matching degree is greater than a first threshold value, it is determined that the power supply quality of the Ferris wheel meets the preset standard, and when the second matching degree is not greater than the first threshold value, it is determined that the power supply quality of the Ferris wheel does not meet the preset standard.

[0016] In this way, the embodiment of the present invention can take into account the weight distribution of passengers in each cabin. When the weight distribution of passengers in the Ferris wheel is uneven, the relationship between the weight distribution of passengers in the Ferris wheel and the power supply power can be established, and the matching degree between the power supply power of the Ferris wheel and the weight distribution of passengers can be calculated. Finally, the power supply quality of the Ferris wheel is detected by combining the matching degree between the power supply power of the Ferris wheel and the weight distribution of passengers in multiple cycles. The detection result of the power supply quality of the Ferris wheel is made more accurate and reliable. The safety and comfort of passengers when enjoying the amusement facilities are ensured, and the service weight of the amusement park is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions and advantages in the embodiments of the present invention or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A flow chart of a method for detecting power supply quality of a Ferris wheel provided by an embodiment of the present invention;

[0019] Figure 2 A schematic diagram of the area division of a Ferris wheel provided by an embodiment of the present invention;

[0020] Figure 3 A schematic structural diagram of a Ferris wheel power supply quality detection system provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following is a detailed description of a Ferris wheel power supply quality detection method and system proposed by the present invention, its specific implementation method, structure, features and effects, in combination with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "another embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures or characteristics in one or more embodiments may be combined in any suitable form.

[0022] Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0023] The specific scheme of a Ferris wheel power supply quality detection method and system provided by the present invention is described in detail below with reference to the accompanying drawings.

[0024] Embodiment 1:

[0025] See also Figure 1 , which shows a flow chart of a method for detecting power supply quality of a Ferris wheel provided by an embodiment of the present invention, including:

[0026] S101, obtaining a power supply curve during the operation of the Ferris wheel and a total weight of passengers in each cabin of the Ferris wheel.

[0027] Specifically, in order to maintain the stability of the Ferris wheel's speed during operation, a variable frequency motor is usually used to continuously adjust the motor's speed through the inverter to control the Ferris wheel's rotation speed. In the process, the power supply curve after the frequency conversion of the variable frequency motor is obtained, and the power supply curve is preprocessed such as denoising.

[0028] Furthermore, in order to obtain the total weight of passengers in each cabin of the Ferris wheel, a weight sensor is usually installed at the entrance of each cabin. When a passenger enters the cabin, the weight sensor can measure and record the total weight in the cabin. In the embodiment of the present invention, the cabins of the Ferris wheel are first numbered. In the embodiment of the present invention, the numbers of the cabins are respectively recorded as , the total weight of the passengers in each cabin is recorded as In addition, the time point when each cabin reaches the highest point during the operation of the Ferris wheel can also be recorded.

[0029] S102: determining the uniformity of the weight distribution of the passengers in the cabins of the Ferris wheel according to the total weight of the passengers in each cabin.

[0030] Specifically, the uniformity of the weight distribution of passengers in the cabin of the Ferris wheel refers to the uniformity of the weight distribution of passengers in the Ferris wheel relative to the entire Ferris wheel. cabins, determine the total weight of the passengers in each cabin of the Ferris wheel and record it as For the convenience of explanation, in the embodiment of the present invention, The average of the total weight of passengers in each cabin is , and then calculate whether the weight distribution of each cabin is uniform. When the uniformity of the weight distribution of each cabin is high, the power supply quality of the Ferris wheel can be detected using the existing method. When the uniformity of the weight distribution of each cabin is low, the power supply quality of the Ferris wheel is further analyzed.

[0031] Furthermore, when determining the uniformity of the passenger weight distribution in the cabins of the Ferris wheel, as an optional embodiment of the present invention, the uniformity of the passenger weight distribution in the cabins of the Ferris wheel is determined based on the total weight of the passengers in each cabin; when the uniformity is less than a second threshold, it is determined that the passenger weight distribution in the cabins of the Ferris wheel is uneven.

[0032] The second threshold value can be determined according to actual conditions, and in the embodiment of the present invention, the value is 0.95. When determining the uniformity of the weight distribution of passengers in the cabins of the Ferris wheel, the average weight of the passengers in each cabin is calculated according to the total weight of the passengers in each cabin; the square of the first difference between the total weight of the passengers in each cabin and the average weight is calculated; the squares of the first differences of the cabins are superimposed to obtain a superposition value, and a first ratio of the superposition value to the number of cabins is calculated; the first ratio is inversely normalized to obtain the uniformity of the weight distribution of passengers in the cabins of the Ferris wheel.

[0033] Specifically, the embodiment of the present invention can use the following formula to calculate the uniformity of the passenger weight distribution in the cabin of the Ferris wheel:

[0034]

[0035] In the above formula, Represents the Ferris wheel The uniformity of passenger weight distribution in the cabin. Indicates The total weight of the passengers in the cabin. The average weight representing the total weight of the passengers in each cabin. represents the number of cabins in the Ferris wheel, It represents the variance of the total weight of passengers in each cabin. The smaller the variance, the more uniform the distribution of passenger weight in each cabin, and vice versa. Represents the inverse normalization function, which is used to Perform inverse proportional normalization.

[0036] Furthermore, when the uniformity of the passenger weight distribution in the Ferris wheel cabin is calculated Less than the second threshold , it is considered that the passenger weight distribution in each cabin of the Ferris wheel is uneven, and it is necessary to further determine whether the power supply quality of the Ferris wheel meets the demand.

[0037] S103, when the passenger weight distribution in the cabins of the Ferris wheel is uneven, determine a first matching degree between the passenger weight distribution in a complete cycle of the Ferris wheel and the power supply of the Ferris wheel according to the power supply power curve and the total weight of the passengers in each cabin.

[0038] Specifically, during the power supply process of the Ferris wheel, the power supply system of the Ferris wheel needs to adapt to changes in the weight distribution of passengers. When the weight distribution of passengers is uneven, the weight distribution of the Ferris wheel will be uneven, which may cause changes in the rotation speed and power demand of the Ferris wheel. By calculating the matching degree between the passenger weight distribution and the power supply of the Ferris wheel, we can understand how the power supply system responds to these changes in passenger weight and whether it can maintain the uniform speed of the Ferris wheel by adjusting the power supply. The greater the matching degree between the passenger weight distribution and the power supply of the Ferris wheel, it means that the power supply system of the Ferris wheel can respond more effectively to the uneven distribution of passenger weight and maintain the uniform rotation of the Ferris wheel by adjusting the power supply. In this case, the higher the quality of the Ferris wheel power supply, the worse the matching degree is, and the lower the quality of the Ferris wheel power supply is.

[0039] Further, when determining the first matching degree between the passenger weight distribution and the power supply power of the Ferris wheel, as an optional embodiment of the present invention, the Ferris wheel is first divided into a first part and a second part along the central axis, and a complete cycle of one rotation of the Ferris wheel is divided into multiple small cycles; then, the first weight of the passengers in the cabin in the first part and the second weight of the passengers in the cabin in the second part in each small cycle are counted; then, the average power supply power in each small cycle is determined according to the power supply power curve; finally, the first matching degree between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply power of the Ferris wheel is determined according to the first weight, the second weight and the average power supply power in each small cycle.

[0040] Specifically, the calculation method for the clockwise rotation and counterclockwise rotation of the Ferris wheel in the embodiment of the present invention is the same. The calculation is performed by taking the clockwise rotation and the Ferris wheel having 8 cabins as an example, as follows: Figure 2 As shown, Figure 2 A schematic diagram of area division of a Ferris wheel provided in one embodiment of the present invention. Figure 2is the initial state of the Ferris wheel. In the initial state, the Ferris wheel is divided into the first part and the second part. The first part includes four cabins from cabin 1 to cabin 4, and the second part includes four cabins from cabin 5 to cabin 8. As the Ferris wheel rotates continuously, the cabins in the first part and the second part will also change, and the total weight of the passengers will also change. When the Ferris wheel is in a small cycle, calculate the total weight of the passengers in the first and second parts on both sides of the central axis of the Ferris wheel, that is, Figure 2 The total weight of the passengers in cabins 1 to 4 in the first part and the total weight of the passengers in cabins 5 to 8 in the second part. When calculating, the weight of the cabin at the highest point is calculated into the second part, and the weight of the cabin at the lowest point is calculated into the second part. This is because in the following In each cycle, the cabin at the highest point is in the process of descending, and has the same properties as the cabin in the first part, which is a process of descending in height. The same is true for the cabin at the lowest point. When the total weight of the passengers in the second part is greater than the total weight of the passengers in the first part, the gravitational potential energy is converted into kinetic energy, the Ferris wheel is easier to rotate, less power is required, and the power supply power is smaller. When the total weight of the passengers in the first part is greater than the total weight of the passengers in the second part, the kinetic energy is converted into gravitational potential energy, the Ferris wheel is more difficult to rotate, more power is required, and the power supply power is larger. When the weight distribution characteristics of the passengers match the power supply power, the greater the matching degree between the passenger weight distribution and the power supply power of the Ferris wheel, the better the power supply quality of the Ferris wheel, and vice versa.

[0041] Furthermore, the number of small cycles that can be evenly divided into a complete cycle of one rotation of the Ferris wheel can be the number of cabins in the Ferris wheel. For example, the cycle of one rotation of the Ferris wheel is , the entire rotation cycle And divided into For example, if the Ferris wheel has 8 cabins, the number of small cycles is 8, which are respectively recorded as When determining the average power supply power in each small cycle according to the power supply power curve, the embodiment of the present invention records the average power supply power in a complete operation cycle of the Ferris wheel. In any small period The power supply function curve is recorded as , the horizontal coordinate corresponding to the small period is , Indicates a small cycle The initial moment, Indicates a small cycle The embodiment of the present invention specifically uses the following formula to calculate the average power supply power of the small cycle:

[0042]

[0043] In the above formula, Represents the rth small cycle The average power supply. Represents the rth small cycle Power supply power function curve. Represents the rth small cycle The initial moment, Represents the rth small cycle The ending moment. Represents the power supply function curve The horizontal axis corresponding to the small period is The enclosed area.

[0044] The average power supply power of all small cycles is calculated by the method described in the above embodiment of the present invention. In the embodiment of the present invention, the average power supply power of the 8th small cycle in the tth complete cycle is recorded as .

[0045] Furthermore, during a complete rotation of the Ferris wheel In each small cycle, the total weight of passengers in the second part and the total weight of passengers in the first part are counted. Inside, the first part of the cockpit is The second part of the cockpit is , respectively calculate the total passenger weight of all cabins in the first part and the second part. In the embodiment of the present invention, the total passenger weight of the first part is recorded as In the embodiment of the present invention, the total weight of the second group of passengers is recorded as In each subsequent small cycle, the cabin index is cyclically moved back one position, and the total weight of passengers in the first and second parts of all small cycles is calculated based on this.

[0046] Furthermore, when determining the first degree of matching between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply power of the Ferris wheel, as an optional embodiment of the present invention, the second difference between the first weight and the second weight in each small cycle is first calculated; then the third difference between the average power supply power of each small cycle and the second difference, and the first variance of each third difference are calculated; finally, the first degree of matching between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply power of the Ferris wheel is determined based on the first variance.

[0047] Specifically, the difference between the total weight of the passengers in the first part of the cabin and the total weight of the passengers in the second part of the cabin in each small cycle, that is, the second difference, is calculated. When the second difference is positive, that is, the total weight of the passengers in the first part of the cabin is greater, and the larger the second difference is, the more difficult it is to maintain the uniform rotation of the Ferris wheel, and the greater the power supply required by the Ferris wheel. When the second difference is negative, that is, the total weight of the passengers in the second part is greater, at this time, the smaller the second difference is, the easier it is to maintain the uniform rotation of the Ferris wheel, and the smaller the power supply required. Therefore, the difference between the total weight of the passengers in the first part of the cabin and the total weight of the cabin in the second part is proportional to the power supply of the Ferris wheel. In a complete cycle In each small cycle of the Ferris wheel (the number of small cycles in the present embodiment is taken as 8 as an example), the difference between the total weight of the passengers in the cabin in the first part and the total weight of the passengers in the cabin in the second part is respectively .

[0048] Furthermore, the average power supply power of the 8th small cycle in the tth complete cycle is calculated The difference between the total weight of the passengers in the cabin in the first part and the total weight of the passengers in the cabin in the second part The third difference of the elements corresponding to each small period in the embodiment of the present invention is recorded as . And calculate the set The variance of each element in is denoted as .

[0049] Further, when calculating the first matching degree between the passenger weight distribution in a complete cycle of the Ferris wheel and the power supply power of the Ferris wheel, the first variance is inversely normalized to obtain the first matching degree between the passenger weight distribution in a complete cycle of the Ferris wheel and the power supply power of the Ferris wheel.

[0050] Specifically, the embodiment of the present invention uses the following formula to calculate the first matching degree:

[0051]

[0052] In the above formula, Represents the first degree of matching between the passenger weight distribution and the power supply of the Ferris wheel. Representing a collection The variance of each element, that is, the set The first variance of each third difference in . The smaller the change of each third difference in the set and collection The more similar the changing trends of the elements in are, the greater the first matching degree between the passenger weight distribution and the power supply power of the Ferris wheel is, and vice versa, the smaller the first matching degree is. Represents the inverse normalization function, which is used to Perform inverse proportional normalization.

[0053] S104: Determine a second matching degree between the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in a plurality of complete cycles according to the first matching degrees of the plurality of complete cycles of the Ferris wheel.

[0054] Specifically, the first matching degree of all complete rotation cycles of the Ferris wheel before the current moment can be obtained through the above embodiment of the present invention. In the embodiment of the present invention, the first matching degree of all complete rotation cycles is recorded as ,in, Indicates the first complete cycle The first match within Indicates the second full cycle The first match within Indicates Full cycle Further, the average value of the first matching degree of all complete cycles is calculated, which is recorded as The second variance of each first matching degree is recorded as .

[0055] Furthermore, when determining the second matching degree, as an optional embodiment of the present invention, the average matching degree and the second variance of the first matching degree of multiple complete cycles of the Ferris wheel are first calculated; then the second matching degree of the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in multiple complete cycles is determined based on the average matching degree and the second variance.

[0056] Specifically, the average matching degree may be normalized to obtain a normalized matching degree; the second variance may be inversely normalized to obtain a normalized variance; and finally, the product of the normalized matching degree and the normalized variance may be determined as the second matching degree.

[0057] The embodiment of the present invention uses the following formula to calculate the second matching degree:

[0058]

[0059] In the above formula, It represents the second matching degree between the passenger weight distribution and the power supply of the Ferris wheel in a plurality of complete cycles. It represents the mean of the first matching degree between the passenger weight distribution and the power supply of the Ferris wheel in all complete cycles before the current moment of the Ferris wheel, that is, the average matching degree. Indicates the second variance of the first matching degree of the passenger weight distribution and the power supply of the Ferris wheel in all complete cycles before the current moment of the Ferris wheel. The larger the average matching degree, the greater the second matching degree of the passenger weight distribution and the power supply of the Ferris wheel in multiple complete cycles. The smaller the second variance, the more similar the first matching degree of the passenger weight distribution and the power supply of the Ferris wheel in multiple complete cycles, the higher the reference value of the calculated second matching degree, and the greater the second matching degree of the passenger weight distribution and the power supply of the Ferris wheel in multiple complete cycles. Represents the normalization function, which is used to Perform normalization. Represents the inverse normalization function, which is used to Perform inverse proportional normalization.

[0060] S105, when the second matching degree is greater than the first threshold, determining that the power supply quality of the Ferris wheel meets the preset standard; when the second matching degree is not greater than the first threshold, determining that the power supply quality of the Ferris wheel does not meet the preset standard.

[0061] Specifically, the first threshold in the embodiment of the present invention is It can be determined according to actual conditions. In all complete cycles, the greater the second matching degree between the passenger weight distribution and the power supply quality of the Ferris wheel, the more the power supply of the Ferris wheel can meet the uniform rotation of the Ferris wheel, and the better the power supply quality. That is, when the calculated second matching degree When it is greater than 0.95, the power supply quality of the Ferris wheel is considered to be good. When the second matching degree is less than the first threshold, such as 0.95, the frequency conversion motor parameters of the Ferris wheel are modified; or a voltage stabilizing device is added to the power supply system of the Ferris wheel; or a backup frequency conversion motor is added to the power supply system of the Ferris wheel. When it is not greater than 0.95, the possible reason is that the frequency conversion motor parameter setting is unreasonable, which needs to be corrected in time. The specific correction method is: check the acceleration and deceleration curves, torque control mode and load adaptability of the frequency converter to ensure that the frequency converter can accurately adjust the motor speed and avoid speed fluctuations in the Ferris wheel. Furthermore, the impact of power grid fluctuations on the power supply system of the Ferris wheel can be reduced by enhancing the stability of the power supply, such as adding voltage stabilizing devices and improving power access. In addition, the use of redundant control systems and dual frequency converter backups, improving the torque control accuracy of the motor, strengthening load feedback regulation, improving the thermal management of the motor, and using high-precision encoders and sensors can improve the stability and responsiveness of the power supply system of the Ferris wheel. Finally, the integrated fault diagnosis and automatic adjustment function can automatically adjust when an abnormality occurs to ensure the continuity and safety of the Ferris wheel operation. Through these measures, the problem of unstable power supply can be effectively solved to ensure that the Ferris wheel maintains a stable and uniform operating state.

[0062] The embodiment of the present invention can take into account the weight distribution of passengers in each cabin. When the weight distribution of passengers in the Ferris wheel is uneven, the relationship between the weight distribution of passengers in the Ferris wheel and the power supply power can be established, and the matching degree between the power supply power of the Ferris wheel and the weight distribution of passengers can be calculated. Finally, the power supply quality of the Ferris wheel is detected by combining the matching degree between the power supply power of the Ferris wheel and the weight distribution of passengers in multiple cycles. The detection result of the power supply quality of the Ferris wheel is made more accurate and reliable. The safety and comfort of passengers when enjoying the amusement facilities are ensured, and the service weight of the amusement park is improved.

[0063] Embodiment 2:

[0064] Corresponding to the Ferris wheel power supply quality detection method provided in the above embodiment, based on the same technical concept, an embodiment of the present invention further provides a Ferris wheel power supply quality detection system, which is used to execute the Ferris wheel power supply quality detection method. Figure 3 A schematic diagram of a Ferris wheel power supply quality detection system provided by an embodiment of the present invention is shown in FIG. Figure 3 The Ferris wheel power supply quality detection system may have relatively large differences due to different configurations or performances, and may include one or more processors 301 and memory 302, the memory 302 is used to store computer programs that can be run on the processor 301, and the processor 301 is used to execute the program stored in the memory 302 to achieve the above Figure 1 The memory 302 may be a temporary storage or a permanent storage. The application stored in the memory 302 may include one or more modules (not shown in the figure), and each module may include a series of computer executable instructions in the Ferris wheel power supply quality detection system.

[0065] Furthermore, the processor 301 can be configured to communicate with the memory 302, and execute a series of computer executable instructions in the memory 302 on the Ferris wheel power quality detection system. The Ferris wheel power quality detection system can also include one or more power supplies 303, one or more wired or wireless network interfaces 304, one or more input and output interfaces 305, and one or more keyboards 306.

[0066] Specifically in this embodiment, the Ferris wheel power supply quality detection system includes a processor, a communication interface, a memory and a communication bus; wherein the processor, the communication interface and the memory communicate with each other through the bus; the memory is used to store computer programs; the processor is used to execute the programs stored in the memory to achieve the above Figure 1 The various steps in the method embodiment are similar to those in the method embodiment, and have the beneficial effects of the above method embodiments. To avoid repetition, the embodiments of the present invention will not be described in detail here.

[0067] It should be noted that the Ferris wheel power supply quality detection system provided by the embodiment of the present invention and the Ferris wheel power supply quality detection method provided by the embodiment of the present invention are based on the same application concept, so the specific implementation of this embodiment can refer to the implementation of the aforementioned Ferris wheel power supply quality detection method, and has the same or similar beneficial effects, and the repeated parts will not be repeated.

[0068] It should be noted that the sequence of the above embodiments of the present invention is only for description and does not represent the advantages and disadvantages of the embodiments. The processes depicted in the accompanying drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0069] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

Claims

1. A method for detecting the power supply quality of a Ferris wheel, characterized in that: The method for detecting the power supply quality of the Ferris wheel comprises: Obtaining a power supply power curve during the operation of the Ferris wheel and the total weight of passengers in each cabin of the Ferris wheel; the power supply power curve is a power supply power curve after the frequency conversion of the variable frequency motor driving the Ferris wheel; Determining the uniformity of the weight distribution of passengers in the cabins of the Ferris wheel according to the total weight of the passengers in each cabin; In the case where the weight distribution of passengers in the cabins of the Ferris wheel is uneven, determining a first matching degree between the weight distribution of passengers and the power supply of the Ferris wheel in a complete cycle according to the power supply power curve and the total weight of passengers in each of the cabins; Determining a second degree of matching between the passenger weight distribution of the Ferris wheel and the power supply of the Ferris wheel in a plurality of complete cycles according to the first degree of matching of the plurality of complete cycles of the Ferris wheel; When the second matching degree is greater than the first threshold, it is determined that the power supply quality of the Ferris wheel meets the preset standard; when the second matching degree is not greater than the first threshold, it is determined that the power supply quality of the Ferris wheel does not meet the preset standard; The step of determining the uniformity of the weight distribution of passengers in the cabins of the Ferris wheel according to the total weight of the passengers in each cabin comprises: Determining the uniformity of the weight distribution of passengers in the cabins of the Ferris wheel according to the total weight of the passengers in each cabin; When the uniformity is less than a second threshold, determining that the weight distribution of passengers in the cabin of the Ferris wheel is uneven; Determining the uniformity of the weight distribution of passengers in the cabins of the Ferris wheel according to the total weight of the passengers in each cabin comprises: Calculating the average weight of passengers in each cabin based on the total weight of passengers in each cabin; Calculating the square of a first difference between the total weight of the passengers in each cabin and the average weight; superimposing the squares of the first difference values ​​of the cabins to obtain a superimposed value, and calculating a first ratio of the superimposed value to the number of the cabins; Performing inverse proportional normalization processing on the first ratio to obtain uniformity of passenger weight distribution in the cabin of the Ferris wheel; Determining a first matching degree between the weight distribution of passengers in a complete cycle of the Ferris wheel and the power supply of the Ferris wheel according to the power supply power curve and the total weight of passengers in each of the cabins comprises: Dividing the Ferris wheel into a first part and a second part along the central axis, and dividing a complete cycle of the Ferris wheel rotating once into a plurality of small cycles; Counting the first weight of the passengers in the cabin in the first part and the second weight of the passengers in the cabin in the second part in each small period; Determine the average power supply power in each of the small cycles according to the power supply power curve; A first matching degree between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply power of the Ferris wheel is determined according to the first weight, the second weight and the average power supply power in each of the small cycles.

2. The method for detecting the power supply quality of a Ferris wheel according to claim 1, characterized in that: Determining a first matching degree between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply power of the Ferris wheel according to the first weight, the second weight and the average power supply power in each of the small cycles includes: calculating a second difference between the first weight and the second weight in each small period; Calculating a third difference between the average power supply power of each small period and the second difference, and a first variance of each third difference; A first matching degree between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply of the Ferris wheel is determined according to the first variance.

3. The method for detecting the power supply quality of a Ferris wheel according to claim 2, characterized in that: Determining a first matching degree between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply power of the Ferris wheel according to the first variance includes: The first variance is inversely normalized to obtain a first matching degree between the passenger weight distribution of the Ferris wheel in a complete cycle and the power supply of the Ferris wheel.

4. The method for detecting the power supply quality of a Ferris wheel according to any one of claims 1 to 3, characterized in that: Determining the second matching degree between the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in a plurality of complete cycles according to the first matching degree of the plurality of complete cycles of the Ferris wheel comprises: Calculate an average matching degree and a second variance of the first matching degrees of a plurality of complete cycles of the Ferris wheel; A second degree of matching between the passenger weight distribution of the Ferris wheel and the power supply of the Ferris wheel in a plurality of complete cycles is determined according to the average degree of matching and the second variance.

5. The method for detecting the power supply quality of a Ferris wheel according to claim 4, characterized in that: Determining the second matching degree between the passenger weight distribution of the Ferris wheel and the power supply power of the Ferris wheel in a plurality of complete cycles according to the average matching degree and the second variance comprises: Normalizing the average matching degree to obtain a normalized matching degree; Performing inverse proportional normalization processing on the second variance to obtain a normalized variance; The product of the normalized matching degree and the normalized variance is determined as the second matching degree.

6. The method for detecting the power supply quality of a Ferris wheel according to claim 1, characterized in that: When the second matching degree is not greater than the first threshold, after determining that the power supply quality of the Ferris wheel does not meet the preset standard, the method further includes: Correcting the frequency conversion motor parameters of the Ferris wheel; Alternatively, a voltage stabilizing device is added to the power supply system of the Ferris wheel; Alternatively, a backup variable frequency motor is added to the power supply system of the Ferris wheel.

7. A Ferris wheel power supply quality detection system, characterized in that: The Ferris wheel power supply quality detection system includes: a processor and a memory; wherein the memory is used to store computer programs that can be run on the processor; the processor is used to execute the program stored in the memory to implement the steps of the Ferris wheel power supply quality detection method as described in any one of claims 1-6.

Images