This speed control system consisted an external load torque estimator and a robust controller.
该速度控制系统由负载转矩扰动估计器以及鲁棒控制器两部分构成。
Two parameters——load transferred displacement and speed difference which had great influence on lifting efficiency were computed with optimization.
为适应大型构件连续升降的施工要求，消除因频繁启停产生的附加惯性载荷和冲击，用运动学观点对连续式液压提升器连续升降的运动机理进行了研究，对影响提升效率的重要参数——速度差和负载转换行程进行最优求解。
Temperature Motor at correct step Motor slow speed Wafer presence before oven Wafer presence after oven Output status Green lamp cycle start Blue lamp cycle reset Enable heating Enable power zone A 6-3 machine timers Camera delay time Conveyors belt running rime Enable/disable table vacuum Up/down flood squeegee delay Disable load suckers vacuum Detach magazine pieces blow air time Load suckers down delay
焦炉最高。温度汽车在正确的一步汽车速度慢晶圆存在之前，烤箱晶圆存在后，烤箱输出状态绿色灯周期的开始蓝灯周期重置使暖气使电力A区 6月3日机定时器相机延迟时间输送带带运行rime 启用/禁用表真空向上/向下防洪刮延误禁用负载吸孔真空分离杂志件，打击空中的时间负载吸孔延迟
The gear box in transmission system function is and so on the power transforms the electric motor rotational speed mechanical energy the high rotational speed the mechanical energy, in the transmission system gear box is the load and the rotational speed match central part.
齿轮箱在传动系统中的作用是等功率地将电动机的转速的机械能转变成高转速的机械能，传动系统中的齿轮箱是载荷和转速匹配的中心部件。
Mei±concept is located in Shenzhen high-speed and machine load at the junction of highway, traffic is very convenient.
敝公司位於深圳梅观高速和机荷高速公路交界处，交通十分方便。
Based on the HSPICE simulations, the proposed trigger has full swing, no static current. And it`s transmission delay has little influence by load captance. With these characteristics, this circuit is very suitable for lower voltage and low power, high speed applications.
该电路采用0.6μm的CMOS工艺设计，并通过HSPICE验证，表明这种施密特触发器具有全摆幅输出、几乎不存在静态功耗、传输延迟几乎与负载无关等优点，比较适合在低电压、低功耗、高速便携设备中应用。
Ceramic bearings can produce oxidation-ho, silicon carbide, silicon nitride and so on, diameter from 3mm-50mm, precision Machinable P0, P6, P5 level; its performance characteristics are: high temperature, oil-free self-lubricating, acid, alkali and salt corrosion, wear resistance, low noise, insulating diamagnetic, since high-speed operation; metal nano-ceramic bearing its production process for a new generation of high content of nano-particles in the heat and pressure infiltration of metal surface is activated to fill the cracks and pits the metal so that 3-5 micron metal surface is more smooth solid surface, greatly reduce the friction, improve Chennai base metals, and greatly increased the life span of bearings, and its characteristics are: long life (as an ordinary stainless steel bearings 2 -- 10-fold), low noise (as an ordinary stainless steel bearings, 70%), wear-resisting, acid, alkali, salt corrosion, high temperature, load large; ceramic bearing and metal nano-ceramic bearing design and development to meet the needs of the market for high-speed, low - noise, high load, the demand for corrosion-resistant; Machinery Production Department to produce aircraft rod end joint bearing, linear guide bearings, the fuel tank of earrings, plastic bearing, non-standard side bearing components, glass door hardware, such as high-precision control products; and provide CNC machining.
陶瓷轴承可生产氧化镐、碳化硅、氮化硅等，内径从3mm-50mm，精度可加工P0、P6、P5级；其性能特点为：耐高温、无油自润滑、耐酸、碱、盐腐蚀、耐磨、低噪音、绝缘抗磁、起高速运转；金属纳米陶瓷轴承其生产工艺为新一代的高含量纳米级微粒在热和压力的作用下被激活渗入金属表面，填补金属缝隙和凹坑，使金属表面3-5微米表面更光滑坚固，大大降低其摩擦力，提高金属的奈酸碱性，并大大提高了轴承的寿命，其特性为：长寿命（为普通不锈钢轴承的2-10倍）、低噪音（为普通不锈钢轴承的70%）、耐磨、耐酸、碱、盐腐蚀、耐高温、负载大；陶瓷轴承与金属纳米陶瓷轴承的设计开发以满足市场对高转速、低噪音、高负载、耐腐蚀的需求；机械生产部以生产机杆端关节轴承、直线导轨轴承、油缸耳环、塑料轴承、非标端轴承零部件、玻璃门控五金等高精度产品；并对外提供数控加工。
The high performance speed control of REPM BLDC motor with wide range speed between zero and no-load speed is researched.
本文主要研究了从零到空载转速范围内稀土永磁无刷直流电机高精度转速控制。
The influences of interface friction and deformation speed on the forming load and billet damage were studied in this paper.
利用有限元软件Deform-2D，对奥氏体不锈钢变薄拉深过程进行热力耦合的数值模拟，研究了凸、凹模与坯料间摩擦和变形速度对变薄拉深过程的成形载荷和坯料损伤的影响。
The effect of the different fuel supply advance angle and load and speed on the combustion process are studied.
与柴油发动机进行对比分析，研究了不同的供油提前角、负荷和转速对燃烧噪声的影响。
Be a charger's turn to control middle owing to that the C8051F040 of Cygnal company monolithic machine being to control core, the proper dummy load module, high-accuracy A/D change C8051F040, functions such as I2C highway interface and high speed PWM applies to battery charging.
该充电器基于Cygnal 公司的C8051F040单片机为控制核心，将C8051F040 特有的模拟电路模块、高精度A/D 转换、I2C 总线接口以及高速PWM等功能运用到充电控制中。
Based on the thermal analysis and the quasi-static analysis, heating by different heat sources is calculated. The local heating between the units of the high speed ball bearing and the total heating are obtained. The influences of the rotational speed, the load and other parameters on the local heating and the total heating are analyzed.
在结合球轴承的拟静力学和生热分析的基础上，对球轴承各热源分别进行生热计算，得到了高速球轴承各个单元间的局部生热和轴承总生热，分析了输入转速、载荷等多种参数对轴承各单元间的局部生热和总生热的影响，结果显示球轴承的生热绝大部分来自球与内圈滚道的自旋生热，并且转速、轴向载荷和内圈沟曲率系数对生热的影响最大。
The load-control apparatus adopted a Single-Chip Microcomputer system, whose MCU was a kind of high-speed processor-DS80C320, whose A/D switched apparatus was MAX180, whose low-pass filter was MAX293, whose F/V transformed circuit was LM331, whose controlled silicon phase-shift touch-off circuit was TCA785, and whose communicating interface of RS232 was MAX202. The Watchdog of the MCU was MAX705 and the system used an on-off electrical source to supply power.
球磨机负荷控制仪采用了单片机系统，MCU采用DS80C320高速处理器，采用MAX180作为MD转换器，低通滤波器为MAX293，F／V转换电路利用LM331，可控硅移相触发电路使用TCA785，RS232通信接口芯片采用MAX202，MCU监控电路为MAX705，系统使用开关电源供电。
First of all, the energy saving control of hydraulic excavator in China and aboard are related, and the control methods are summarized in this paper. For the sake of energy saving control research, a hydraulic excavator electronic energy-saving control model is established based on CAN-bus technique. And then the aspect of the speed control of the engine is focused on, a cascade control is used, an inner feedback loop gives control over the governing throttle and an outer feedback loop does the speed regulation. The use of feed forward of the load demand, when a signal is available which is proportional to the load, then the signal can be fed forward to the input of the control system to anticipate changes in load. The power limiting control ensures optimum use of the power required for the excavator under varying operating conditions and avoids overload of the diesel engine, with the diesel engine, variable pump, and the loads as the whole dynamic system, the overall power match technique is proposed, and transfered the point match to area match by the method of area power match, so the energy efficiency is improved.
本文首先综述了国内外液压挖掘机节能控制的发展现状，并对当前所采用的节能控制方法进行了总结；为进行节能控制研究，建立了基于CAN总线技术的挖掘机电子节能控制系统；然后对挖掘机在不同工况下工作时发动机转速的控制进行了研究，采用转速和油门位置双闭环改进PID控制及负载前馈控制方法，将一个与负载成比例的信号前馈到控制系统的输入端，补偿抑制负载变化对控制输出的影响，使发动机的转速始终保持在某一允许范围内，从而使发动机始终工作在某一指定的工况；针对柴油机经常因特性的变化而导致负载扭矩超载的现象，采取了功率极限控制，既可以防止发动机失速停车，也可以取消功率储备，充分利用柴油机额定功率；最后将发动机、变量泵及负载作为一个动态系统，设计了挖掘机全局功率匹配方案，并提出区间功率匹配控制方法，改变了以往动力系统静态模式设定的缺点，使挖掘机在最佳节能区间内工作。
QTZ80(5613) tower crane uses rotating motor, light load with high speed and heavy load with low speed, low noise.
QTZ80（5613）塔机起升机构，采用双速绕线电机，起动平稳，可实现轻载高速，重载低速，工作效率高，噪音低优点。
The prototype motor has achieved the following features: outer diameter φ40mm, height 15mm, weight 50g, maximum load-free revolution speed 1200rpm, peek torque 6N·cm, voltage of power source 30V, maximum efficiency 36%.
实验样机达到的技术指标为：外径φ40mm，马达厚度15mm，重量50g，最高空载转速1200r/min，峰值转矩6N·cm，驱动电源电压30V，最高效率36%。
The effect of the load, inflation pressure and speed on the heat build up of tire was investigated, and the heat build up at the groove bottom, shoulder and toe of 195/60HR14 tire under the different conditions was calculated.
分析了轮胎载荷、内压以及速度对轮胎热生成率的影响，计算了 195/6 0HR14轮胎花纹沟底部、胎肩和胎趾 3个热点在不同条件下的热生成率。
An analysis and computation on the basis of Biots Consolidation Theory by using the finite element method in the relationship between settlement and time varying and load is compared with actual data. The conclusion shows that the two settlements agree with each other very much, so, the method introduced is rational and possible. Furthermore, gray theory is used to predict the settlement of high-speed railway.
在沉降预测方面，分别采用将Blots固结理论与有限元法相结合的Plaxis 3D foundation有限元程序和灰色理论计算了沉降—荷载与时间的关系，对将来发生的沉降进行预测，并与实测数据进行对比分析，总体上符合的均比较好，预测精度较高。
The traffic density, the load and moving speed increase day by day, which attract much attention on the interaction of the vehicles and bridges.
交通密度的日益增加、荷载的逐渐加重以及车速的不断提高，使得车辆与结构的动力相互作用问题越来越受到人们的重视。
A concept of temperature factor is presented. A horizonial and single-span rot0r system is adopted in this experiment. Minimum thickness of 0il film and oil film temperature are measured in terms of real-time 0nline survey with the change of angular speed and load.
实验采用卧式单跨两支承转子系统，通过实时在线检测，对可倾瓦推力轴承系统在实验室条件下进行了试验，在变转速和变载荷下，测量了最小油膜厚度以及所考察点处的油胜温度。