对液压电梯速度反馈单片机控制系统进行了理论设计和实验的研究。
This paper is about the theoretical and experimental research on the speed feedback control systems of hydraulic elevator using single chip microcomputer.
简要分析了目前电梯的三种速度控制方式,最后采用基于绝对剩余距离的电梯速度控制方式来实现电梯的速度优化控制。
This paper presents three modeling of the elevator speed control. Elevator speed control based on the principle of absolute surplus distant is used to optimize speed control.
通过计算机仿真及其在实用电梯上的试验,结果表明基于单神经元自适应PID控制的方法,对提高电梯速度的跟踪性能有较好的作用。
The results of simulation and experiments show that the single neuron adaptive PID control method is very good in improving following performance to ideal speed curve.
讨论了影响乘客舒适感和平层精度的电梯速度曲线,提出了一种基于神经元的自适应控制方法,理论和仿真结果证明了其可靠性及可行性。
Elevator speed curve is discussed in this paper. An adaptive control strategy based on neural network is presented. A practical case was given to show the feasibility, practicality and reliability.
他观察这些人并测量他们从实验地点走到电梯的速度。
He looked at these people and measured how fast they walk from where their experiment was to the elevator.
另外,还有56部电梯以每秒1.75到10米的速度运行。
It will have 56 lifts traveling at 1.75 to 10 metres per second.
罗伯特在乘坐楼内电梯下来后这样说。 他乘坐的电梯是全世界速度最快的。
I felt completely relieved," said Robert after taking the ride down in one of the tower's elevators, the world's fastest.
要是在电梯里称,电梯有向上的加速度,而我还是站在秤上。
Now I'm going to put you in an elevator and I'm going to accelerate you upwards and you're standing on your bathroom scale.
现在我,还在电梯里,这次是向下的加速度。
Now I am going to put you in the elevator-- here you are and I'm going to accelerate you down.
如果是高层塔楼还需观察电梯的品牌、速度及管理方式,如何收费等,将这些杂七杂八的费用搞清楚才能够安心购买。
If is the high-level turret must observe elevator's brand, the speed and the mode of administration, how to collect fees and so on, makes clear these assorted expenses only then can purchase relieved.
爱因斯坦电梯;炮火射程;匀加速度和圆周运动的量纲分析。
Einstein's elevator; Artillery range; Uniform acceleration and circular motion using dimensional analysis.
该摩擦力的非线性改变使速度产生变化,导致人们在搭乘液压电梯时产生不舒适感。
This nonlinear change in friction force over a small change in velocity results in uncomfortable feeling when people hitchhike hydraulic lift.
研究表明,当超高速电梯运行速度超过一定值后,轿厢横向振动就无法满足乘坐舒适性的要求。
It has been reported that the car lateral vibration of super high-speed elevators can't satisfy the general requirements of the riding comfort when their running speed is lager than a certain value.
一种用于控制电梯车厢运动速度的离心致动装置,包括控制向上和向下运动的能力。
A centrifugally activated device for controlling the speed of movement of an elevator cab includes the capability of controlling upward and downward movement.
仿真模型包括楼梯疏散和电梯疏散两个模块,分别以人流在楼梯中的步行速度和电梯疏散时间的计算为基础。
The simulation model consists of stair component and elevator component, which are respectively based on the calculation of walking speed in stair and elevator evacuation time.
在传统的电梯曳引系统中,通常采用高精度的位置和速度传感器来检测转子的位置和速度信息,增加了系统的成本,降低了系统的可靠性。
In conventional elevator controls, high accurate sensors of position and speed are used for this purpose. However these additional sensors increase the cost of system and decrease the reliability.
液压电梯是一种典型的电液速度控制系统,直接轿厢速度反馈控制是一项先进的技术。
Hydraulic elevator is a typical electrohydraulic control system, and the speed feedback control method is advanced technology.
因为这种特性的缘故,电容可变式加速表度与测量离心力或电梯之类设备的加速度和减速度是非常有用的。
Because of this characteristic, VC accelerometers are very useful for measuring centrifugal force or for measuring acceleration and deceleration of devices such as elevators.
仿真结果揭示了曳引机微转失衡与轿厢垂直振动的因果关系,以及轿厢水平振动的加速度响应值与电梯运行速度成正比的规律。
The simulation results show that the unbalanced motor results to the vertical vibration and that the peak value of the horizontal acceleration is proportional to the traveling speed.
针对电梯运行速度的特殊要求,通过对预测模型、控制率和反馈校正的分析,认为GPC方法能满足电梯运行速度控制的要求。
According to the special demand of elevator move speed, the predictive model, control rate and feedback rectify are investigated and analyzed. The GPC method is determined to elevator speed control.
多速度模式运行是现代中高速电梯的重要特征,而运行仿真是电梯群控仿真研究的基本环节。
Multi-level velocity mode is an important feature of the advanced elevator, and the simulation of elevator running is the primary part of the elevator group control research.
因此,开发一套电梯综合测试系统,为电梯测试提供更方便、快捷、准确的仪器,对电梯加速度、速度、振动、噪声等参数进行测量是必要的。
It is essential to develop a system for measuring the operation parameters of an elevator such as acceleration, velocity, vibration, noise expediently and accurately.
比例阀能够足够慢地打开以提供一个平滑加速度使电梯达到最大速度。
The proportional valve can be opened sufficiently slowly to provide a smooth acceleration of the lift up to its maximum speed.
电梯运行过程中,会调节轿厢加速及电梯运行速度以节约电能——减速时产生的电能供给到内部电力系统。
Cab acceleration and speed of travel are adjusted during operation to save electricity - the energy generated when braking is fed into the in-house power networks.
电梯舱减慢速度,终于停下来,威尔迅速穿过门厅向办公室走去。
The car eased to a stop, and Will walked quickly down the hallway to the office.
电梯舱减慢速度,终于停下来,威尔迅速穿过门厅向办公室走去。
The car eased to a stop, and Will walked quickly down the hallway to the office.
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