| 1. | 9 . oil pressure proportion control
九油压比例控制 |
| 2. | Time proportioning control
时间比例控制 |
| 3. | The application of electrohydraulic proportion control technique to truck mounted concrete pump
电液比例控制技术在混凝土泵中的应用研究 |
| 4. | We adopted object - model - invert system controlling structure . controllers were formed by proportion control and learning control . the response , the control and the training of bp net consisted of the controlling order
工作过程由bp网络的响应过程、控制过程和bp网络的训练过程组成，并按照“ bp网络响应、决定控制、系统响应与训练”的次序，反复交替进行。 |
| 5. | In the calculating process . the function of liquid proportion control was discussed . especially to the synchronic control system and the dynamic character of synchronic error and the motor circuit . lt also discussed the relationship between the hydraulic system parameter and the transmission system . in the transmission unit . the mechanical function of main parts has been optimized and calculated . good results gotten . the stress and deformation of the frame joints and poles were calculated using structure mechanics method . the character of the screw pole were analyzed
同时，为提高设备整体的性能，对机械传动单元中重要部件台面框架与丝杠的机械性能进行了优化与计算，重点运用结构力学的分析方法对台面框架各节点与杆件的受力与变形做了精确的计算，并对丝杠的耐磨性、刚度、稳定性进行了可靠性分析，保证了设备的总体精度，提高了设备的可靠性，得到了比较理想的结果。 |
| 6. | Electro - hydraulic control principle applied in construction machinery is analyzed in this paper ; working principle and application characteristic of electro - hydraulic proportional is lucubrated ; technique and static characteristic of electro - hydraulic proportional decompression value and electro - hydraulic proportional direction value is emphatically analyzed and studied ; electro - hydraulic proportional control mode is setup . the hydraulic circuit which can be not only suit for handle operation but also for remote operation in the same construction machinery , and the hydraulic system design methods is also introduced that the proportion control use d for the steering devices and the working devices of the machine
本文对工程机械上应用的电液控制原理进行了分析；对电液比例阀的工作原理和应用特点进行了深入研究；重点对电液比例减压阀和电液比例方向阀技术特征和静态特性进行分析研究；建立电液比例控制模型；提出了在同一台工程机械上，既能满足遥控又能满足手控的液压回路，以及采用比例量控制行驶和工作装置的液压系统设计方法。 |
| 7. | Third , the center of mass stabilization loop is designed by the proportion control law in variable structure control , the design method of the proportion control law is deducted elaborately . the result is the character points is unified on parameter . the two simulation results of the different methods are compared in this paper
第三，利用变结构控制中的比例控制规律对导弹的质心稳定回路进行了设计，详细推导了比例控制规律的设计方法，实现了各个特征点设计参数上统一，并对前面两种设计方法的仿真结果进行了比较，最后还讨论了两种设计方法对干扰的抑制作用。 |
| 8. | Electric - pneumatic proportion control technology is the core of the pneumatic to control part of virtual instrument system . the hardware regards two high - performance data collecting card pcl - 818ls as the core . the software regards visual basic6 . 0 as the developing platform , uses dynamic link library technology to realize the control on hardware of the virtual instrument , it realizes to be soft interrupt and dma data gather , make single channels data gather frequency up to 40 khz at most under windows system
本套虚拟仪器系统的气动控制部分以电?气比例控制为核心，硬件以两块高性能数据采集卡pcl - 818l为核心，软件以visualbasic6 . 0为开发平台、使用动态连接库技术来实现虚拟仪器对硬件的控制，并且实现了在windows系统下软中断和dma数据采集，使单通道最大数据采集频率达到40khz 。 |
