逆能的

Based on X-filtered LMS algorithm and -filtered LMS algorithm adaptive inverse control, we use a new variable step size LMS algorithm. Adding little computation, variable step size LMS algorithm can result in fast convergence speed and low residual error simultaneously. The adaptive feedback control can counteract the beginning error of the system. The adaptive disturbance canceler can best erase noises and disturbances.

在原来的X-滤波LMS算法自适应逆控制和-滤波LMS算法自适应逆控制方法的基础上，引入了新的变步长LMS算法，在计算量增加不多的前提下，能同时获得较快的收敛速度和较小的稳态误差；引入自适应的反馈补偿控制克服了被控系统的直流零频漂移，使控制系统在初开始工作阶段快速收敛；还引入自适应扰动消除器，它能最大限度的消除扰动。

Experiments show that the framework is right and the proposed algorithm is able to achieve an inverse halftoning image with good visual quality,it has a better edge-preserving ability and peak signal-to-noise ratio is increased.

实验验证了多尺度逆半调框架的正确性，并且该算法所得逆半调图像具有良好的视觉效果，能保持图像边缘，峰值信噪比也有所提高。

A invariable -angle control circuit of parallel resonance converter which can get high precise control of inverter operating state is designed. Using the technique of phase-lock loop, the circuit implements automatic tracking to inverter operating frequency and constant control of capacitive power factor angle.

论文设计了能在频率自动跟踪的基础上实现高精度的逆变器运行状态控制的并联型逆变器定角控制电路，该电路采用锁相环技术，实现了逆变器工作频率的自动跟踪和容性功率因数角恒定控制。

For large capacity of inverter, due to the dc bus voltage is higher, ac output generally do not need to boost transformer can achieve 220V, in medium and small volume of inverter, due to the low voltage dc 12V, such as, must design, 24V pressor circuit.

对大容量的逆变器，由于直流母线电压较高，交流输出一般不需要变压器升压即能达到220V，在中、小容量的逆变器中，由于直流电压较低，如12V、24V，就必须设计升压电路。

according to the users′ actually demand for uninterruptible power supply for loads,the internal structure of digital generator is analysed and the reason for its uninterruptible function can′t be achieved.a design of the uninterrupted power supply system which transformed from the digital generator is proposed.the system uses the inverter of generators,ac through inverter for loads,at the same time,charges the battery as ac is normal.inverter the battery dc converters to ac for load,meanwhile,starting generator,when power failure.the system applies uninterruptible power for load,whether the ac is normal or abnormal,and design voltage and frequency stabilization,output zero-interrupted,battery charging and discharging management.without requiring purchase an uninterruptible power supply separately,this design can avoid duplication of investment and wasting of resources.

快速安全提高汽轮发电机转子检修质量。。。摘要：针对用户对负载供电不间断的实际需求，分析了数码发电机的内部结构及其不能实现供电的不间断性能的原因，提出一种由数码发电机改造组成的交流不间断供电系统的设计方法。该设计利用发电机内部的逆变器，在市电正常时，由市电经过逆变器给负载供电，同时给蓄电池充电；在市电断电时，一边启动发电机，一边由蓄电池的直流电通过逆变器转换成交流电供负载使用，实现无论市电正常还是异常，系统对负载提供不间断电源。设计对市电进行稳压、稳频、输出零切换、蓄电池的充放电管理等新功能。此设计无需单独购买不间断电源，避免重复投资和资源浪费。

Coal load in ball tube of pulverizing system is affected by many factors, this paper analyzes these factors and their relations.

由于神经网络技术的发展，神经网络在非线性控制方面显示出强大的优势，同时近年来出现的逆系统方法对于多变量非线性系统的控制指出了一条可算是光明的道路，鉴于以上两项技术的优越性，本文提出对BMPS进行神经网络逆系统控制的方法，首先通过机理分析的方法建立了BMPS的非线性动态数学模型，并依此模型设计了神经网络逆系统控制方案，由于此方案中需要用到球磨机磨筒内负荷的反馈，但是磨内负荷是一个不能直接测量的量，而且其测量方法是多年来人们一直在努力的方向却又一直不能较好地解决，本文提出对其进行神经网络测量的思想和方法，这一方法的仿真试验和现场实测结果均表明其研发造价低廉的优越性和测量较为准确的实用性。

Products have: NB-KR series, NBC series of carbon dioxide gas shielded welder, LGK8 Series air plasma arc cutting machine, WS Series DC argon arc welding machine, WS series IGBT inverter DC argon arc welding machine, WSE Series AC-DC pulse argon arc welding machine, ZX5 Series Thyristor rectifier arc welder, ZX6 series three-phase rectifier arc welder, ZX7 series IGBT inverter DC arc welding machine, ZXG Series rectifier arc welder, ZXE1 Series AC-DC dual-use arc welding machine, BX1 Series, BX3 series, BX6 Series AC arc welding machine, steel electroslag welding stress, pedal-style capacitor discharge spot welder, UN series of welding machine, DN Series AC Spot Welder foot, DNY Series mobile communicate spot welder, DN2 fixed pneumatic spot welding machine, D N2 fixed aerodynamic point of convex welder, CG series gas cutting machine, CNC cutting machine door, Intersection CNC EDM Series , flame brazing machine series, automatic welding machine series, MZ series automatic submerged arc welding machine, automobile manufacturing special welding equipment, robot applications, such as large family of more than 29 varieties.

生产的产品有：NB-KR系列、NBC系列二氧化碳气体保护焊机，LGK8系列空气等离子弧切割机，WS系列直流氩弧焊机，WS系列IGBT逆变直流氩弧焊机，WSE系列交直流脉冲氩弧焊机，ZX5系列晶闸管整流弧焊机，ZX6系列三相整流弧焊机，ZX7系列IGBT逆变直流弧焊机，ZXG系列硅整流弧焊机，ZXE1系列交直流两用弧焊机，BX1系列、BX3系列、BX6系列交流弧焊机，钢筋电渣压力焊机，脚踏式电容储能点焊机，UN系列对焊机，DN系列脚踏式交流点焊机，DNY系列移动式交流点焊机，DN2固定式气动点焊机，DN2固定式气动点凸焊机，CG系列气割机，门式数控切割机，数控相贯线切割机系列，火焰钎焊机系列，全自动堆焊机系列，MZ系列自动埋弧焊机，汽车制造专用焊接设备，机器人应用系统等二十九大系列百余个品种。

The intelligent inverter cap energy storage spot welding machine with waveform control was developed. The structure theory and result of experiment were supplied.

本文提出了将储能点焊和逆变技术相结合的设计思想，研制出了&波形控制的逆变式电容储能点焊机&，并给出了主要结构原理及其试验结果。

Heating principle of intermediate frequency induction furnace and some problems in shunt-wound power source spacer circuit were discussed.

对中频感应炉的加热原理和并联型电源逆变电路存在问题进行了探讨，并就此逆变电路存在问题进行了改进，同时，采取措施减少中频供电线路的损耗，实践表明：改进后的逆变电路能全功率输出以及启动能力提高，且节能效果显著。

Firstly, according to the relationship between classic Carnot cycle and Lorenz cycle, the paper evaluates the cycle characteristics and thermodynamic properties of NARMS (Non-azeotropic mixtures), and compares the energy-saving difference between pure and mixed refrigerants. The main of factors that affect heat pump operating efficiency are analyzed in theory and using the Second Law of Thermodynamics the exergy are evaluated in components of heat pump system, in the end a conclusion is drew that all of the exergy have bearing on working fluids' properties.

本文首先从经典的Carnot逆循环与Lorenz逆循环相对关系出发，评估了非共沸混合工质循环的特点以及热力学性质；在不同环境条件下，比较了单工质与混合工质的循环特性差异；针对非共沸混合工质热泵循环效率的主要影响因素（即工质本身的热物性和系统部件特性）进行了理论分析，并利用热力学第二定律对热泵系统的各个主要部件进行了可用能分析，最终发现每一处可用能损失均与工质物性有关；在此基础上提出了减少可用能损失的方法—寻找适宜的非共沸混合工质。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。