无人机飞行品质评估是采用科学和定量的手段对飞行性能进行评价,其准确性和可行性影响无人机整体优化的方向。一般飞行品质评估思路必须已知无人机复杂高阶模型和大量频域数据进行低阶等效拟配,计算量大,数据拟合精度低;再者多采用在线采集数据、离线处理和模型参数优化的方式,评估和性能优化效率低。选取已知输入激励下无人机时域模型中简单且精度较高的纵向通道短周期模型为例,提出了一种在线采数,实时评估无人机纵向通道短周期飞行品质,并在线优化无人机纵向通道控制回路参数的时域准则和方法,计算量大大减小,对量化评估无人机飞行品质,高效优化无人机飞行性能有理论指导意义和工程实用价值。 UAV flight quality assessment is the use of scientific and quantitative means of flight performance evaluation, its accuracy and feasibility of the overall optimization of UAV direction. General flight quality assessment ideas must be known that the UAV complex high-order model and a large number of frequency domain data for low-level equivalent to the distribution, a large amount of calculation, data fitting accuracy is low; more use of online data collection, offline processing and model The way of parameter optimization, evaluation and performance optimization is inefficient. Taking the simple and accurate longitudinal channel short-period model in UAV time-domain model with known input excitation as an example, an online acquisition method is proposed to evaluate the short-period flight quality of the longitudinal channel of UAV in real time and optimize online The time domain criterion and method of control parameters of the longitudinal channel of UAV greatly reduce the computational load, which has theoretical significance and engineering practical value for quantitative evaluation of UAV flight quality and efficient optimization of UAV flight performance.