自动平衡

A new type of on-line dynamic balancing system for the rotor is proposed, whose creativity lies in the design of balancing head and control method.

研制了一种新型结构的转子在线自动平衡系统，提出了全新的平衡头结构和控制方法。

The results of theoretical analysis and experiments indicate that in the frequency band of 10 to 3 000 MHz and voltage range of 0.1 to 2 V,the uncertainty is 0.25% to 0.7% and the confidence level is 99.73%. Metrology ; Voltage standard ; Bolovac ; Thin film bolometric bridge with resistance regulation network circuit ; Double thin film bolometer ; RF mount ; Uncertainty evaluation

在近期的技术改造[2]中，我们研制出电阻臂可变的自动平衡电桥，重新研制了双薄膜测热电阻，建立了射频电压自动校准系统，从而使该基准的计量性能有了很大提高，其主要技术指标如下：测量范围为0·1~2·0V；频率范围为10~3 000MHz；不确定度为0·25%~0·7%(k=3)；工作方式为自动测试。2工作原理和构成2.1工作原理射频电压基准是建立在功率替代原理的基础

This thesis designs a self-compensating system of emery wheel which chooses microcontroller as the center of the system to check the unbalancing amounts,distinguishs the amplitude and phase and auto-balance the slant weigh.

在磨削加工中，砂轮的动平衡对保证零件加工精度至关重要，本文设计了一种砂轮自动平衡装置，以单片机为控制核心检测砂轮的不平衡量，并识别不平衡量的大小和相位，能够自动平衡砂轮偏重，使砂轮达到最优的平衡状态。

When lead acid battery being floating charged ,we will find the problem that some cells present uneven voltage. This article analyses the reason simply, explaining especially "Smart Equilibrium Lead Acid Battery Voltage Examining Device" of the circuit, operation principle, technical indicator, and the flow chart of automatically controlled main program.

针对铅酸蓄电池组在浮充电过程中，单体电池的端电压会出现不平衡问题，简要分析了其产生的原因，重点阐述了"铅酸蓄电池组电池电压自动平衡仪"的电路组成、工作原理、技术指标，以及控制主程序图。

Germany is one of the first draw on the balance connecting rod structure which developed sophisticated self-balancing four-post Hydraulic Cutting Machine businesses.

是最早借鉴德国平衡连杆构造而研发出精密四柱自动平衡油压裁断机的企业。

An automatic balancing head employing permanent magnetic difference frequency motor is designed in the paper, to realize a non-contact transmission of control signal and driving energy between a control element and the balancing head.

李勇设计了使用永磁差频电动机的自动平衡头，实现了控制单元和平衡头之间控制信号和驱动能量的无接触传递。

AUTO GROUND: Automatic ground balance - raise search coil off ground, press the AUTO GROUND button, lower the coil to the ground, and release the button for precision auto-balancing.

自动地面：地面自动平衡-提高搜索起飞地面线圈，按AUTO按钮地面，降低线圈到地面，并释放精密自动按钮平衡。

Hence, a self-balancing controller is implemented by considering the motion as well as configuration variation of the upper body (the 9-DOF mechanism). The control law utilizes the principle of computed torque method with online identification of related parameters using various sensors including an accelerometer. The incline angle is obtained by fusing a gyroscope and a tilt sensor. Under the balancing control, the forward motion of the robot is achieved by giving a desired tilt angle profile.

除此之外，本作品将此机器人装置在一具二轮式自动平衡移动平台之上，它提供了机器人灵活移动和转身的能力，但碍於此一平台本身为不稳定系统，所以必须实现一自动平衡演算法去计算底座以及上半身机器人动作行为的转动力矩，利用计算转矩法以及陀螺仪、倾斜仪和加速规去即时更新系统参数，让整个系统可以即时地保持平衡，并且利用设计角度值的概念让整个系统移动。

An overall summary is given for the present study situation of auto-balancing system used for grinding wheel of precision grinding machine at home and abroad.

分析了磨床的砂轮不平衡量产生的原因，对国内外精密磨床的砂轮自动平衡系统的研究进行了较全面的综述，对各种自动平衡装置进行了分类，分析了各种形式自动平衡装置的原理、特点和可行性，指出了这些装置的优缺点。

The automatic balancing strategy based on alternate-coordinate optimization method and the rapid automatic balancing strategy based on the influence coefficient method are applied to the automatic balancing experiment of rotor with single plane, which reveals that alternate-coordinate optimization method is easy to use and safe to operate, and that the rapid automatic balancing strategy based on the influence coefficient method has high balancing precision and balancing efficiency.

应用坐标轮换寻优自动平衡策略和基于影响系数法的快速自动平衡策略对单面转子进行了自动平衡实验，结果表明，坐标轮换寻优法简单实用、操作安全，而基于影响系数法的快速自动平衡策略有较高的平衡精度和平衡效率。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。