| 1. | The other lies in the imported electro - hydraulic controller itself . being a general product , the imported control doesn ’ t work well in particular working conditions in china
本文密切结合湖南省科技攻关重点项目进行研究,围绕“汽车起重机电液比例控制系统”的开发做了大量的工作。 |
| 2. | This paper introduced the principle and realization method as well as control characterristics of the electrohydraulic servo proportional control system of the vrc robot . its nationality are also been discussed
介绍了vrc机器人电液伺服/比例控制系统的原理、实现方法与控制特点,为该技术国产化进行了理论探讨 |
| 3. | Expect for the design of the amplifier , the emphases is to test the static state and dynamic characteristic of the control system and provide a great deal reference data so that the system can work well
论文中除了对放大器的电路做了介绍外，重点是对放大器在比例控制系统的运行中做了大量的静态、动态参数测试，为比例电磁阀的良好工作提供了一系列的参考数据。 |
| 4. | One reason is that poor of technical level , most civil manufacturers ’ products are based on the imported electro - hydraulic proportional controller which is act as the core , as a result , the cost become higher and lost the advantage of lower cost
在我国由于起步晚,技术水平低,汽车起重机生产厂商往往需要从国外引进电液比例控制系统核心控制器,以提升自身产品的竞争力。 |
| 5. | The main work of the thesis is as follows : 1 . the feasibility of the scheme in engineering is discussed by means of analyzing the strategy of position control system . 2 . the mathematical model of the position control system is established and analyzed in theory
论文以研配压机位置控制系统的研究为题目，其主要工作如下： ?对1000kn双侧翻转研配压机进行了简介，对电液比例控制系统进行了分析。 |
| 6. | The results of experiments have show that electro - hydraulic proportional control system and its core controller of the auto crane ’ s performance are satisfied . it has the advantage of easily using and low cost , then it is worthy of further developing
核心控制器样机的试验情况表明,本文所设计的汽车起重机电液比例控制系统具有简洁实用、成本低廉的优点,证明了本文研发成果的有效性和实用价值,为产品的产业化开发打下了良好的基础。 |
| 7. | According actual situations , a system design pattern called “ double cpu share memory ” is adopted for such a kind of electro - hydraulic proportional controller . so in the third part , the concrete realization is presented to show the efficiency of the system design pattern , in the middle of which it emphatically give out the design of the hardware driving model
针对怎样实现汽车起重机电液比例控制系统核心控制器问题,即系统的设计问题,本文从整体上研究和比较了多种方案,最终选择了双处理器共享内存的体系结构模式,并且从硬件和软件上完成了核心控制器的详细设计。 |
| 8. | Remote control construction machinery will be more and more widely used along with development of technique and perfection of function of wireless control system and electro - hydraulic control system . the remote controlled trimming dozer is remotely controlled by signal that is transferred by electromagnetic wave and sent into driver - electro - hydraulic control system
随着无线电控制系统和电液控制系统的技术发展和功能完善，遥控型工程机械应用范围将越来越广泛，遥控型推耙机通过电磁波传输控制信号并将控制信号送入驱动执行器?电液比例控制系统以实现远距离控制。 |
| 9. | On the basis of this , the hydraulic system of the mkd - 5s drilling machine is resigned for improvement . specially energy - saving design of the feeding system is made and the control characteristic of the electro - hydraulic proportional controlled system of feeding is studied both in theory and in experiment
在此基础上，应用电液比例技术对mkd ? 5s型钻机液压系统进行了改造设计，重点对给进系统进行了节能设计，从理论和实验两方面对给进加压电液比例控制系统的特性进行了研究。 |
| 10. | The result of the study shows that the electro - hydraulic proportional technology is useful for all - hydraulic operated drilling machine to simplify the operations and composition of system , to improve the level of automatization and efficiency and to reduce the consumption of energy . the result of the study also shows that the system of feeding has the properties as followed : fast respone , stable pressure - adjusted characteristic , distinct effect of energy - saving , some improvement of system efficiency
研究结果表明：全液压钻机中应用电液比例技术，可以简化系统组成和操作，提高钻机自动化水平，提高系统效率，降低发热和温升；采用恒压变量泵的给进加压电液比例控制系统调压性能稳定、响应快、节能效果明显。 |
