1)energy-shaping能量成形
1.PM synchronous motor control system is viewed as two-port energy-transformation device by using energy-shaping method.应用能量成形方法,将永磁同步电机控制系统看作二端口能量转换装置,建立了位置伺服控制模型,求取了满足最大输出功率原理的系统平衡点。
2.Then,using the energy-shaping method of interconnection and damping assignment,the feedback stabilization theory of Buck-Boost Converter system is given.然后,利用互联和阻尼配置的能量成形方法,给出了Buck-Boost变换器的反馈镇定原理。
3.Based on energy-shaping method and port-controlled Hamiltonian(PCH) theory , the modeling and speed control of PMSM is presented.基于能量成形方法和端口受控哈密顿(PCH)系统原理,研究了永磁同步电机(PMSM)的建模与速度控制问题。
2)energy shaping能量成形
1.Applying a novel method of energy shaping and Port-Control Hamiltonian(PCH) systems,the modeling and speed control of permanent magnet synchronous motor(PMSM) are developed when load torque is known and unknown as well as stator resistance is uncertain.针对永磁同步电机(PMSM)负载转矩已知、未知和定子电阻不确定情况,采用一种新的能量成形和端口受控哈密顿(PCH)系统方法,研究了PMSM的建模与速度控制问题,并建立了PMSM的PCH模型,给出了闭环系统期望的哈密顿函数,设计了系统的控制器和负载转矩观测器,分析了系统平衡点的稳定性。
2.Using the method of Port-Controlled Hamiltonian?(PCH) systems,which is based on the energy shaping control methods,and stator-flux-oriented control,the modeling and control of variable-speed constant-frequency(VSCF) doubly-fed induction generator(DFIG) are studied.研究了基于能量成形的变速恒频双馈感应发电系统的建模与控制问题。
3)forming energy形成能量
4)energy-shaping control能量成形控制
1.First of all,we review the development of PWM rectifier and energy-shaping control theory,and introduce the theory of passivity system,dissipation system and Hamiltonian system.首先,综述了PWM整流器的国内外研究动态以及能量成形控制方法的国内外研究现状,介绍了无源系统、耗散系统和端口受控哈密顿系统的一些理论基础,描述并给出了欧拉—拉格朗日(EL)系统和端口受控的耗散哈密顿系统的一般数学表达形式。
5)formability[f?:m?'biliti]成形性能
1.Weld-bead Migration and Formability of Tailor Welded Blank Based on Variable Blank Holding Force;变压边力对拼焊板焊缝移动和成形性能的影响
2.Investigation of formability for tailor-welded blank box based on variable blank-holder force over stroke;随行程变化变压边力拼焊板盒形件成形性能研究
3.Experimental study on formability of blanks after laser welding;激光拼焊板成形性能的试验研究
英文短句/例句
1.The Deformation Property of Casting AZ31 Mg Alloy and Precision Forming of Inner Spur Gear;连铸AZ31镁合金成形性能及内齿轮精密成形研究
2.Study on Forming Process Property of the ISFSL体内张拉成形空间网格结构成形性能研究
3.Study of mechanical properties and forming properties of ultra-fine grain ferrite steels超细晶铁素体钢的力学性能及成形性能研究
4.An Experimental Study of Stamping Formability of Wrought Magnesium Alloy Sheet变形镁合金板料冲压成形性能的实验研究
5.Investigation of the Formability of Incremental Sheet Forming under Different Tool Shapes不同压头形状下板料渐进成形性能研究
6.Research on formability of tailor welded blank box based on strain path基于应变路径的拼焊板盒形件成形性能研究
7.Numerical simulation on forming property in multi-point digitized stretch-forming多点数字化拉形成形性能的数值模拟分析
8.Hot Formability of Ti-Ni Alloy Sheet;Ti-Ni合金板材热成形性能研究
9.Research on Gas Bulging Forming of AZ31 Magnesium Alloy Sheet in High Temperature;AZ31镁合金板材高温气胀成形性能研究
10.Theoretical Study on Stamping Formability of Spot Welding Tailored Blanks;点焊拼接板冲压成形性能的理论分析
11.Wear-Friction Properties and Microstructure of Zn52Al40Cu2Si6 Alloy Prepared by Spray Deposition喷射成形Zn52Al40Cu2Si6微观形貌及耐磨性能
12.Research on Shape Forming Process and Load Behaviors of Post-tensioned and Shaped Barrel-vault后张拉整体成形筒拱的成形和承载力性能研究
13.Formation Ability and Characterization of Zr-Based Amorphous Alloys;Zr基非晶合金的形成能力与性能表征
14.Glass Formation Ability and Magnetic Properties of FeCoZrB AlloysFeCoZrB合金的非晶形成能力及磁性能研究
15.Not readily reactive with other elements; forming few or no chemical compounds.惰性的与其它元素反应不活泼的;不能形成或很少能形成化合物的
16.Formation Mechanism of the Microstructures and the Electrochemical Performance for Spherical Nickel Hydroxide;球形氢氧化镍的微结构形成机理与电化学性能
17.the plastic forces that create and wear down a mountain range.能形成和腐蚀山脉的塑性力
18.What are the chances of these molecules springing spontaneously into existence?这些分子自然形成的可能性有多大?
相关短句/例句
energy shaping能量成形
1.Applying a novel method of energy shaping and Port-Control Hamiltonian(PCH) systems,the modeling and speed control of permanent magnet synchronous motor(PMSM) are developed when load torque is known and unknown as well as stator resistance is uncertain.针对永磁同步电机(PMSM)负载转矩已知、未知和定子电阻不确定情况,采用一种新的能量成形和端口受控哈密顿(PCH)系统方法,研究了PMSM的建模与速度控制问题,并建立了PMSM的PCH模型,给出了闭环系统期望的哈密顿函数,设计了系统的控制器和负载转矩观测器,分析了系统平衡点的稳定性。
2.Using the method of Port-Controlled Hamiltonian?(PCH) systems,which is based on the energy shaping control methods,and stator-flux-oriented control,the modeling and control of variable-speed constant-frequency(VSCF) doubly-fed induction generator(DFIG) are studied.研究了基于能量成形的变速恒频双馈感应发电系统的建模与控制问题。
3)forming energy形成能量
4)energy-shaping control能量成形控制
1.First of all,we review the development of PWM rectifier and energy-shaping control theory,and introduce the theory of passivity system,dissipation system and Hamiltonian system.首先,综述了PWM整流器的国内外研究动态以及能量成形控制方法的国内外研究现状,介绍了无源系统、耗散系统和端口受控哈密顿系统的一些理论基础,描述并给出了欧拉—拉格朗日(EL)系统和端口受控的耗散哈密顿系统的一般数学表达形式。
5)formability[f?:m?'biliti]成形性能
1.Weld-bead Migration and Formability of Tailor Welded Blank Based on Variable Blank Holding Force;变压边力对拼焊板焊缝移动和成形性能的影响
2.Investigation of formability for tailor-welded blank box based on variable blank-holder force over stroke;随行程变化变压边力拼焊板盒形件成形性能研究
3.Experimental study on formability of blanks after laser welding;激光拼焊板成形性能的试验研究
6)formation energy形成能
1.Then the formation energy of each kind of native point defect is calculated, by which the possibilities of the six kinds of native defects to be formed during crystal growth .用基于密度泛函理论平面波赝势法首先对六方AlN本征点缺陷(氮空位、铝空位、氮替代铝、铝替代氮、氮间隙、铝间隙)存在时的晶格结构进行优化,得到其稳定结构;然后通过各缺陷形成能的计算可得知其在生长过程中形成的难易程度;最后从态密度的角度对各种本征点缺陷引起的缺陷能级及电子占据情况进行了分析。
2.The formation energy of Mg-doped CuAlO_2 was also calculated.结果表明,Mg替代Al原子时形成受主杂质能级,而替代Cu原子时形成施主杂质能级;同时也计算了它们的形成能,发现前者是吸热反应,而后者是放热反应。
延伸阅读
主要射出成形材料成形时应注意事项■主要射出成形材料成形时应注意事项品 名 注 意 事 项PVC聚氯乙烯 1. 产品种类范围非常广(硬质、软质、聚合物等),成型条件各有不同,从熔融至分解之温度范围很小,尤须注意加热温度。2. 附着水分少,但成型周期尽可能减少(50℃~60℃热风干燥)。3. 成型机方面,与材料直接接触的部位须电镀或采用不锈钢以防热分解所产生的盐酸侵蚀。射出压力2100kg/cm2程度。4. 所有塑料当中必须是细心注意温度调节。5. 浇口附近易产生流纹,故射出操作后,柱塞不要后退使浇口充分固化后再瞬间退后为宜。6. 加热之初温不宜高,特别注意熔融情形。第二级加热温度较高,且尽可能使成形周期缩短,比较安全。PA聚醯胺树脂 1. 成型温度比其它材料高,故采用油加热的成形机较适当。2. 吸湿性大,必须充分干燥。水分对成型品的品质影响甚大(80℃热风干燥约5~6小时)。3. 须退火以消除内部歪斜。PP聚丙烯 1. 同PE,但成形温度必须较高。熔融温度170℃,超过190℃则流动性大增,则毛边增加,易产生接缝及凹入情形。PC聚碳酸脂 1. 吸湿性比尼龙小,但若有些微之水分存在则成型品产生其它色泽或气泡,故必须密封干燥同时成形时也须预备干燥(120℃之温度4小时)。2. 加热温度超过320℃时则产生热分解,成品变色,故特别注意温度调节,又成型时的温度调节也非常重要,须特别注意其最低温度、最低时间。3. 须退火以消除内部歪斜(130℃~135℃,1小时程度为准)。