Calibration method for pitch-throttle curve of oil-driven unmanned helicopter and system thereof

Abstract

The invention relates to a calibration method for a pitch-throttle curve of an oil-driven unmanned helicopter. The calibration method comprises the following steps that S1,the unmanned helicopter is controlled to work, and the pitch and throttle opening parameters of the unmanned helicopter in the working process are recorded: S11, the pitch is increased according to set parameters in the workingprocess of the unmanned helicopter; an engine of the unmanned helicopter is kept at a rated working speed at each pitch point, and a set time T1 is kept; and S12, when the engine of the unmanned helicopter cannot keep the rated working rotating speed or the opening degree of a throttle valve of the engine of the unmanned helicopter reaches the limit position, the unmanned helicopter is controlledto reduce the throttle opening degree and the total distance until the unmanned helicopter is in an initial state, and a set time T2 is kept in the initial state of the unmanned helicopter; S2, the unmanned helicopter is controlled to stop; and S3, the pitch and the throttle opening degree of the unmanned helicopter are fitted into the curve. According to the calibration method for the pitch-throttle curve of the oil-driven unmanned helicopter and a system thereof, the pitch-throttle curve of the oil-driven unmanned helicopter can be accurately calibrated, the operation process can be effectively simplified, and the operation efficiency is improved.

Description

technical field [0001] The invention relates to the field of unmanned helicopters, in particular to a method and system for calibrating the pitch-throttle curve of an oil-powered unmanned helicopter. Background technique [0002] The pitch-throttle curve calibration of oil-powered unmanned helicopters usually has pitch measurement sensors and pitch feedback devices in medium and large helicopters. However, these devices are very complicated in structure and heavy in weight, which will undoubtedly increase the In order to reduce the load of the helicopter, the above-mentioned feedback control equipment is often not installed; however, in order to improve the dynamic response and heading control of the unmanned helicopter, feed-forward control is usually introduced, and the pitch-throttle curve is the realization of feed-forward control important components. In the prior art, the pitch-throttle curve calibration method has the problems of cumbersome operation process, high de...

AI Technical Summary

Problems solved by technology

[0002] The pitch-throttle curve calibration of oil-powered unmanned helicopters usually has pitch measurement sensors and pitch feedback devices in medium and large helicopters. However, these devices are very complicated in structure and heavy in weight, which will undoubtedly increase the In order to reduce the load of the helicopter, the above-mentioned feedback control equipment is often not installed; however, in order to improve the dynamic response and heading control of the unmanned helicopter, feed-forward control is usually introduced, and the pitch-throttle curve is the realization of feed-forward control an important component of

In the prior art, the pitch-throttle curve calibration method has the problems of cumbersome operation process, high dependence on experience, low efficiency and poor accuracy

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