为更好地仿真研究飞行员事故避免能力和人-机闭环系统的驾驶员诱发震荡(PIO, Pilot Induced Oscillation)特性,提出将飞行员模型按"生理-心理-生理"统一分解为"输入(信号)、处理(决策)、输出(动作)"三个模块,并提...为更好地仿真研究飞行员事故避免能力和人-机闭环系统的驾驶员诱发震荡(PIO, Pilot Induced Oscillation)特性,提出将飞行员模型按"生理-心理-生理"统一分解为"输入(信号)、处理(决策)、输出(动作)"三个模块,并提出一种新型多维比例微分型非线性飞行员模型(MPDNLPM,Multi-Dimension Proportion-Differential Nonlinear Pilot Model)。结合某机着舰backside跟踪控制状态下动力学模型进行了仿真研究。结果表明:人-机闭环系统控制效果略优于理想P控制;成熟飞行员仍可出现PIO;恰当的预估、及时的响应和合理的操纵增益控制是防止PIO和事故的三项关键能力;提出的模块化分解方法合理、有效;MPDNLPM可揭示人-机系统的内在规律。展开更多
Before the task of autonomous underwater vehicle(AUV) was implemented actually,its semi-physical simulation system of pipeline tracking had been designed.This semi-physical simulation system was used to test the softw...Before the task of autonomous underwater vehicle(AUV) was implemented actually,its semi-physical simulation system of pipeline tracking had been designed.This semi-physical simulation system was used to test the software logic,hardware architecture,data interface and reliability of the control system.To implement this system,the whole system plan,including interface computer and the methods of pipeline tracking,was described.Compared to numerical simulation,the semi-physical simulation was used to test the real software and hardware more veritably.In the semi-physical simulation system,tracking experiments of both straight lines and polygonal lines were carried out,considering the influence of ocean current and the situation of buried pipeline.The experimental results indicate that the AUV can do pipeline tracking task,when angles of pipeline are 15°,30°,45° and 60°.In the ocean current of 2 knots,AUV could track buried pipeline.展开更多
文摘为更好地仿真研究飞行员事故避免能力和人-机闭环系统的驾驶员诱发震荡(PIO, Pilot Induced Oscillation)特性,提出将飞行员模型按"生理-心理-生理"统一分解为"输入(信号)、处理(决策)、输出(动作)"三个模块,并提出一种新型多维比例微分型非线性飞行员模型(MPDNLPM,Multi-Dimension Proportion-Differential Nonlinear Pilot Model)。结合某机着舰backside跟踪控制状态下动力学模型进行了仿真研究。结果表明:人-机闭环系统控制效果略优于理想P控制;成熟飞行员仍可出现PIO;恰当的预估、及时的响应和合理的操纵增益控制是防止PIO和事故的三项关键能力;提出的模块化分解方法合理、有效;MPDNLPM可揭示人-机系统的内在规律。
基金Projects(50909025,51179035) supported by the National Natural Science Foundation of ChinaProject(HEUCFZ1003) supported by the Fundamental Research Funds for Central Universities of China
文摘Before the task of autonomous underwater vehicle(AUV) was implemented actually,its semi-physical simulation system of pipeline tracking had been designed.This semi-physical simulation system was used to test the software logic,hardware architecture,data interface and reliability of the control system.To implement this system,the whole system plan,including interface computer and the methods of pipeline tracking,was described.Compared to numerical simulation,the semi-physical simulation was used to test the real software and hardware more veritably.In the semi-physical simulation system,tracking experiments of both straight lines and polygonal lines were carried out,considering the influence of ocean current and the situation of buried pipeline.The experimental results indicate that the AUV can do pipeline tracking task,when angles of pipeline are 15°,30°,45° and 60°.In the ocean current of 2 knots,AUV could track buried pipeline.