This system can complete the engine rotational speed and torque high accuracy control and the test, also engine temperature, pressure, oil consumption parameters survey.
本系统能够完成发动机的转速、转矩的高精度控制与测试，以及发动机温度、压力、油耗等指标参数的测量。
Small-scale fertilizer granulator is mainly composed by motor, making grains disc, gearbox, underbed, main shaft bearing, regulate device and rotational speed test system, etc.
小型肥料制粒机主要由电动机、制粒圆盘、变速箱、底架、主轴轴承、调节装置和转速测试系统等组成。
Absrtact: in rotary machinery test, vibration signal is stochastic and uncertain usually, so, synchronous analysis of vibration and instantaneous rotational speed in the rotary machinery is necessary.
摘要：旋转机械测试中，振动信号通常是随机非稳态信号，必须进行振动和转速信号同步分析。
This paper presents a method with mixed spectra for analyzing rotational accuracy of spindles, making use of the modified periodogram test combined with dynamic data system modeling.
本文采用动态数据系统建模分析法与改进的周期图检验法相结合，对主轴回转精度进行混合谱分析。
Compared with the test results, the calculation methods of the initial rotational stiffness and the bearing capacity and the mathematic model were testified to be true.
将建议公式计算值和试验结果作了比较，验证了初始转动刚度和极限承载力的计算方法和数学模型的正确性。
Through the test, we could conclude the rapeseed's distributing along the length of its rotor, the losses and the power wasting of this system in different cylinder rotational speed and cole feeding.
通过试验得出在不同的滚筒转速和油菜喂入量下油菜籽粒沿滚筒长度的分布、夹带损失和未脱尽损失及其系统的功耗。
The basic principle, structure design and calculation of magnetic circuit for touchless magnetoelectric rotational velocity sensor are reported. The test data and testing result are also analyzed.
介绍了非接触磁电式转速传感器的基本原理、结构设计及磁路计算，给出了试验数据，并对测试结果进行了分析。
The influence of parameter changes and coupling disturbances on control property was analyzed in the rotational speed control system of the servo loading test equipment with secondary regulation.
针对二次调节伺服加载试验台转速控制系统，分析了参数变化和耦合干扰对系统控制性能的影响。
The status of an undercarriage at the touchdown instant is studied by analyzing the undercarriage parameters which change with the wheel rotational speed in the drop test.
以某歼击飞机前起落架为例，用落震试验的方法，通过分析起落架有关参数随机轮转速变化的情况，来研究飞机着陆瞬间起落架的状况。
By the method of frequency measurement, instant rotational speed is measured in the test system, angular acceleration is calculated by using the feature of the MCU with the least square method.
介绍了一种发动机无外载功率检测系统的软、硬件设计，利用测频法测量出某一时刻的瞬时速度，并利用最小二乘法求出角加速度。
In this paper, we introduce how to use 8031 singal-chip microcomputer to test the off -state rotational speed of centrifugal switch in a singal phase electrical machinery.
提出一种以8031单片机为基础的单相电机离心开关断开转速测试系统。
This paper refers to a new kind rotational speed test instrument of the modern printing machine's cylinder with high accuracy and multi-function, which based on the single chip of 89C51.
本文介绍一种以单片机89C51为核心的高精度多功能印刷机滚筒转速测试仪。
With a modified high temperature speed adjustable rotational viscometer, flow characteristics test of melt was carried ont. Based on the test vesults, it can be co…
将普通固定转速高温粘度计改造为可调转速，可测出熔体的流动特性，进而能确定熔体是否为牛顿流体。
But, the hardware of present rotational speed test system is complex, real - time performance is not good, and which can not process multi - channel signal fast.
而目前转速测试，硬件实现复杂，实时性差，且不易实现对多路信号同步高速处理。
Regression analysis are hereby given with Lissajou's figure of spindle rotational error under different test conditions.
在不同条件下获得了若干主轴回转误差曲线的照片，并据此进行了主轴回转误差的评定、分析和比较。
Through analysis of engine ground test data, it's learnt that dogleg method can resolve efficiently the rich oil and overrunning problem, and achieve rotational speed control with strong robustness.
通过开车试验数据分析，折线法能够有效地解决冲速段的富油和冲速问题，实现冲速段的转速控制， 并且具备较强的鲁棒性。
Through analysis of engine ground test data, it's learnt that dogleg method can resolve efficiently the rich oil and overrunning problem, and achieve rotational speed control with strong robustness.
通过开车试验数据分析，折线法能够有效地解决冲速段的富油和冲速问题，实现冲速段的转速控制， 并且具备较强的鲁棒性。
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