查询词典 speed governing

An extended hyperbolic mild-slope equation, which can take such terms as wind input, bottom friction and nonlinearity of wave into account, here has been deduced into a parabolic one in the form of a series of governing equations described with complex amplitude. It became a complete wave model when integrated with corresponding physical and imaginary boundaries, and can be solved through the improved Crank-Nicholson or the well known Alternating Direction Implicit difference method, both of which can accelerate the convergent speed , expand limitation of the mathematical method and improve the quality of the solution.

本文基于综合考虑底摩阻、风能输入及非线性影响的推广双曲型缓坡方程，将其进行转换，产生一个演变方程，其复振幅控制方程为抛物线性，并采用ADI差分格式、改进的Crank-Nicholson格式及相应的物理和虚拟边界条件进行求解，以提高数值模拟的适用性、数值计算的稳定性、收敛速度及精度。

Say for the system requested to be smooth in certainly the speed-governing system, adjust armature and voltage is the best way.

对于要求在一定范围内平滑调速的系统来说，以调节电枢电压的方式为最好。

Full authority control of an electronic throttle provides a range of options for speed governing.

充分的权力控制的一电子节气门提供了一系列可供选择的调速。

Puts forward a hoister speed governing proposal based on converter technique and fuzzy control theory .

变频技术是应无极调速的要求而产生的，微计算机处理速度的提高则为变频器实现各种复杂的控制算法提供了实时性和快速性的保证。

Puts forward a hoister speed governing proposal based on converter technique and fuzzy control theory.

提出了一种基于变频技术和模糊自适应控制理论的调速方案，能够实现高精度平滑无级调速，提高乘坐的舒适度，并充分体现出变频技术的优越性能和广泛的应用前景。

The paper analyzes the fundamental characteristics of walking beam reheating furnace"s velocity control system in theory, and exactly builds the mathematical model of walking-beam-type reheating furnace"s velocity control system by mechanics analysis. It analyzes capacity speed governing systems dynamic characteristic and anti-interference performance in load. It also simulinks the system.

本文从理论上分析了步进梁加热炉速度控制系统的基本特性，并通过力学分析比较精确的建立了步进梁加热炉速度控制系统的数学模型，分析了泵控容积调速系统的动态性能和抗负载干扰特性，并进行了仿真。

The dissertation theoretically analyses software direct compensating motor speed loss of open loop pump-control-motor speed governing system with inverter. The motor speed loss formula and compensating coefficient formula are given, and this provides the theoretic foundation for using software direct compensating method. The dissertation puts forward the control scheme of software direct compensating motor speed loss of open loop pump-control-motor speed governing system with inverter, and the method of "load sectionalization linear compensation".

具体来说，本文的主要贡献包括如下几个部分：(1)对软件直接补偿开环变频泵控马达调速系统的马达转速降落进行了理论分析，给出了马达转速降落公式和补偿系数公式，为软件直接补偿开环变频泵控马达调速系统的马达转速降落提供了理论依据；提出了变频泵控马达调速系统的负载补偿控制方法和&负载分段线性补偿&方法，由此提高了调速系统的速度刚性和调速精度。

The energy consumption analysis and experiment of the two systems, which are pump-control-motor speed governing system with inverter and hydraulic speed governing system with inlet throttle, are made. Some useful conclusions are obtained. New clews are provided to enhance the total efficiency of hydraulic speed governing system with inverter.

5对变频泵控马达调速系统和进口节流阀控马达调速系统进行了能耗分析和对比实验研究，得到了有益结论，为进一步提高变频泵控马达调速系统的节能效果提供了新思路。

It is capacity speed governing circuit of pump controlling cylinder.

该系统采用先进的电液比例控制技术，保证步进梁按给定的速度曲线运行。

At present, there are drilling more than 150 plants, with an annual output of various drilling about 1 million units, export over 20 million units, the drilling of speed through a pulley shift to resolve the pagoda, the governor need to stop the process, open the protective Enclosures, manual transmission, and other procedures, the process cumbersome and poor security, and is governing, not transferred to the spindle speed corresponding to the different materials of various aperture drilling at the best speed, the production efficiency is low.

目前，全国有钻床厂150多家，年产各种钻床100万台左右，出口20多万台，这些钻床的变速都是通过一对宝塔皮带轮换档解决的，调速过程需要停车、打开防护罩，手工换档等程序，操作过程繁琐且安全性差，并且是有级调速，不易使主轴转速调到对应于不同材质的各种孔径钻削时的最佳转速，因此生产效率也低。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。