| 1. | Theoretical analysis of a road simulated test of four - wheel vehicles in the field of time 四轮汽车道路模拟试验台时域控制理论 |
| 2. | In this paper , according to diesel two - stage vibration isolation test - bed , the experiment investigation based on normal fuzzy active control is made 本文还针对柴油机双层隔振模拟试验台架,进行了常规模糊主动控制方法的试验研究。 |
| 3. | The simulation tests were carried out to study the variation of the vertical additional force acted on shaft lining by surrounding soils during dewatering of alluvium by means of multi - function rig in vertical shaft 摘要利用大型竖井模拟试验台,对冲积层疏排水过程中立井井壁受到的竖直附加力的变化规律开展了模拟试验研究。 |
| 4. | The simulative tests by computer and experiments by test - bed all can indicate that the established modularization and multi - layers fault diagnosis system for desams is not only simple but also specific and real - time 计算机仿真和台架实验表明,所建立的“模块化” ,多层次电液伺服道路模拟试验台的故障诊断系统具有结构简单、任务明确、实时性强等特点。 |
| 5. | To reappear stochastic waveform on esvrst in time field , the minimum variance implicit self - tuning regulators of siso and mimo systems are deduced based on carma models in this paper . the robustness of the regulator being used to control esvrst is validated good 本文推导了在时域内对电液伺服道路模拟试验台进行随机波形再现控制时,基于carma模型的,单输入单输出系统和多输入多输出系统的,隐式最小方差自校正调节器。 |
| 6. | To identify the model parameters of controlled esvrst system on line , the recursive extended least square with variety forgetting factor is used , which makes the control system possess anti - disturb ability obviously and unchangeable precision of stochastic waveform reappearance 本文提出了用变遗忘因子的增广最小二乘递推算法在线识别电液伺服汽车道路模拟试验台被控系统的模型参数,使控制系统在实现波形再现时具有显著的抗干扰能力和稳定的波形再现精度。 |
| 7. | This paper puts forward several views as the follows . for the siso test task , the esvrst ( electro - hydraulic servo vehicle road simulation test - bed ) system may be describe ^ by siso carma . for the multi - output test task , such as to reappear multi - channel waveform of acceleration , the inputs and outputs is coupled , the esvrst system must be describe ^ by mimo carma 针对上述问题本文提出了对于电液伺服汽车道路模拟试验台单输入单输出系统的试验可以用单输入单输出carma模型描述;对于电液伺服汽车道路模拟试验系统多点输出的加速度随机波形再现试验以及其它多输入多输出问题,因为存在输入输出量之间耦合关系,所以必须用多输入多输出carma模型描述。 |
| 8. | Aiming at the design requirements of shield tunnelling machine for simulator test rig , hydraulic systems of shield were designed and manufactured by applying electro - hydraulic proportional control technology , which included thrust hydraulic system , screw conveyor hydraulic system and cutting wheel drive hydraulic system 摘要针对盾构掘进机模拟试验台的设计要求,采用电液比例控制技术设计制造了盾构掘进机液压系统,包括推进液压系统,螺旋输送机液压系统以及刀盘驱动液压系统。 |
| 9. | The multi - layers fuzzy neural networks fault diagnosis system is set up by using the hierarchy decomposing strategy to carry out condition monitoring and diagnosing . finally , combined with the technology of short signal analysis , the application software of fuzzy neural networks fault detecting and diagnosis system ( fdds ) for desams is developed independently with the microsoft visual c + + 6 . 0 利用功能层次分解策略,建立了电液伺服道路模拟试验台的故障诊断的多层次智能故障诊断系统,采用vc6 . 0开发工具,自主开发了具有实际应用价值的故障诊断软件fdds 。 |
| 10. | The thesis devote to desams ( double - channel electro - hydraulic servo adaptive motor simulator - rig ) condition monitoring and accessing in theory and application . based on short signal analysis theory , the thesis explores the representative vibration faults of complex and non - linear equipment by both theoretical and experimental methods systematically 本文基于短信号分析技术,针对电液伺服道路模拟试验台运行状态监测和状态评价,对短信号的最大熵谱分析技术在自复杂非线性系统的实时在线故障诊断领域的应用进行了系统的理论和实验研究。 |