| 1. | Rolling moment coefficient 滚动力矩系数 |
| 2. | Only through control of roll moments could a pilot maintain a level trajectory or dip a wing into a smooth banking turn 飞行员必须控制滚转力矩,才能维持水平飞行,或将一侧机翼向下压,做出平顺的倾斜转弯动作。 |
| 3. | According to the test platform , the monitoring control system based on computers is designed , which can output voltage signals of rolling moment and swaying force that regular wave and irregular wave press on ships 针对试验台架设计了以微机为中心的监督控制系统,该系统可以实时输出代表规则波和不规则波海浪作用于船舶的横摇力矩和横荡力的电压信号。 |
| 4. | According to the test platform , the monitoring control system based on computers is designed , which can output voltage signals of rolling moment and swaying force that regular wave and irregular wave press on ships 针对试验台架设计了以微机为中心的监督控制系统,该系统可以实时输出代表规则波和不规则波海浪作用于船舶的横摇力矩和横荡力的电压信号。 |
| 5. | The moment of inertia , damp and comeback can be adjusted . two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively . the two systems both use electro - hydraulic servo valves , in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor , while the analog swaying force system employs double shanks hydraulic - pressure oil vat with two pressure sensors and a placement sensor 两套电液伺服系统均使用流量电液伺服阀(采用外供油方式) ,其中模拟横摇力矩的伺服系统采用齿轮齿条摆动液压油缸,配有扭矩传感器,模拟横荡力的伺服系统采用双出杆液压油缸,配有两个压力传感器和一个位移传感器。 |
| 6. | Firstly , the distortion of rolled piece and the designing method in the beforehand slit pass and slit pass has been analyzed . secondly , based on the research production of predecessor and research of the author , card system selected some corresponding experience formulas such as roll force , roll moment , roll temperature and roll consume , and established spread model in the beforehand slit pass and slit pass and the distribution model of elongation coefficient . subsequently , card system applied the dynamic programming method with minimum roll consume and optimized its pass system 本文以圆钢双线切分为基本实体模型,着重分析了预切分孔型和切分孔型在轧制过程中的变形特点及相应的孔型设计方法;基于前人的研究成果及作者的探索,选择了相应的轧制力、轧制力矩、温度及能耗模型,建立了预切分和切分的宽展及延伸系数的分配模型;应用动态规划法以能耗最小为目标函数对孔型系统进行了优化设计;利用visualbasic6 . 0和microsoftaccess数据库的连接,建立了数据查询系统,以visualbasic6 . 0和autocad之间的接口在vb环境下完成了断面孔型图的绘制。 |
| 7. | Models of electro - hydraulic servo valve , gear - rack swing hydraulic - pressure oil vat and torque sensor are selected in order to analog the rolling moment more accurately . the transfer function of electro - hydraulic moment servo system is presented and the system parameters are gained . at the same time , the simulation of system is studied 为了能更好的模拟海浪作用于船舶的横摇力矩,选取了电液伺服阀、齿轮齿条摆动液压油缸和扭矩传感器的型号,建立了电液力矩伺服系统的传递函数模型,求取了系统参数,并对系统进行了仿真研究。 |
| 8. | Two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively . the two systems both use electro - hydraulic servo valves , in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor , while the analog swaying force system employs double shanks hydraulic - pressure oil vat with a placement sensor 两套电液伺服系统均使用流量电液伺服阀(采用外供油方式) ,其中模拟横摇力矩的伺服系统采用齿轮齿条摆动液压油缸,配有扭矩传感器,模拟横荡力的伺服系统采用双出杆液压油缸,配有一个位移传感器。 |
| 9. | Models of electro - hydraulic servo valve , gear - rack swing hydraulic - pressure oil vat , double shanks hydraulic - pressure oil vat , placement sensor and torque sensor are selected in order to analog the rolling moment and swaying force more accurately . transfer functions of electro - hydraulic moment servo system and placement servo system are presented and the system parameters are gained 为了能更好的模拟海浪作用于船舶的横摇力矩和横荡力,选取了电液伺服阀、齿轮齿条摆动液压油缸、双出杆油缸、位移传感器和扭矩传感器的型号,建立了电液力矩伺服系统和位置伺服系统的传递函数模型,求取了系统参数,并对系统进行了仿真研究。 |