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Method for evaluating maximum load capacity of agricultural load unmanned aerial vehicle

A technology of maximum load and evaluation method, applied in data processing applications, instruments, resources, etc., can solve problems such as differences in load capacity and endurance, and achieve the effect of accurate evaluation of maximum load capacity

Active Publication Date: 2020-11-06
SOUTH CHINA AGRI UNIV
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AI Technical Summary

Problems solved by technology

However, for different drones, there are certain differences in the size and weight of their mechanisms, and the corresponding load capacity and endurance are also different. Therefore, the commonly used parameters of 10kg-20kg load and 10min operation endurance are not suitable for every drone. A UAV, but should be reasonably set and allocated according to actual parameters

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  • Method for evaluating maximum load capacity of agricultural load unmanned aerial vehicle
  • Method for evaluating maximum load capacity of agricultural load unmanned aerial vehicle

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Embodiment

[0053] Such as figure 1 As shown, the maximum load capacity evaluation method of a kind of agricultural load-carrying unmanned aerial vehicle of the present invention comprises the following steps:

[0054] S1. According to the multiple pulling force values ​​and corresponding current values ​​in the UAV motor force efficiency table, the functional relationship equation between the working pulling force and the working current of the motor is obtained by fitting.

[0055] S2. Establish a battery life model corresponding to the battery life of the UAV under different load states, specifically:

[0056] The power per unit time of a single motor is obtained according to the product of the working current and the working voltage of the motor, then the total power of the UAV per unit time is the number of motors in the UAV multiplied by the power per unit time of a single motor;

[0057] Multiply the weight of the power battery by the energy density of the corresponding battery to...

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Abstract

The invention discloses a method for evaluating the maximum load capacity of an agricultural load unmanned aerial vehicle, which comprises the following steps of: according to a plurality of tension values and corresponding current values in a motor force effect table of the agricultural load unmanned aerial vehicle, fitting to obtain a function relationship equation of motor working tension and working current; establishing endurance time models of the agricultural load unmanned aerial vehicle corresponding to the endurance time in different load states; calculating the maximum value of the total tension and the maximum load weight of the agricultural load unmanned aerial vehicle; establishing a motor equivalent power influence factor model; determining the influence relationship of the I-type factors on the endurance time and the influence relationship of the II-type factors on the equivalent power of the motor under the maximum load state of the unmanned aerial vehicle; and synthesizing the two models and the influence relationship of the two types of factors on the two models to obtain the maximum load capacity evaluation result of the unmanned aerial vehicle. The cruising ability of the agricultural unmanned aerial vehicle under the maximum battery load can be evaluated, effective reference is provided for selection and configuration of related parameters of the agricultural unmanned aerial vehicle, and technical support is provided for efficient operation of the agricultural load-carrying unmanned aerial vehicle.

Description

technical field [0001] The invention belongs to the field of research on energy consumption of unmanned aerial vehicles, and in particular relates to a method for evaluating the maximum load capacity of agricultural heavy-duty unmanned aerial vehicles. Background technique [0002] At present, aerial plant protection pesticide application technology has been rapidly promoted nationwide, effectively improving the efficiency of agricultural production operations. The operational efficiency of agricultural drones on the market is more than 50 times that of traditional plant protection pesticide application technology. With the help of the downwash airflow of the rotor, a better droplet settlement effect can be achieved with less damage to the crop structure. In the foreseeable future, drone spraying will become the main development direction of plant protection technology. At present, the operating load of agricultural drones is generally 10kg-20kg, and the effective operatin...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06
CPCG06Q10/0639
Inventor 李继宇龙波
Owner SOUTH CHINA AGRI UNIV