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- low speed and large torque 低速高扭矩
- Direct Torque Control(DTC) of induction machines(IM),based on hysteresis comparators and selection table,suffers from variable switching frequency and large torque ripple,especially at low speed. 基于磁滞比较器和选择表的感应电机直接转矩控制(DTC),其开关频率可变,且转矩脉动大,特别在低速时。
- Mold filling smoothly with low speed and large flow rate as well as instant pressurization in time conformed to the basic principles of squeezing casting. 论述了以低速、大流量、平稳充填铸型并在瞬间及时增压是挤压铸造的基本原理。
- This paper uses the language of DCL and AutoLISP to enlarge the function of AutoCAD. This method can solve problems of architectural drawing with low speed and large amount of input work. 利用AutoLISP和DCL语言对AutoCAD进行二次开发,扩充AutoCAD的功能,解决使用AutoCAD进行建筑制图时输入工作量大、重复设置多、速度慢的问题
- The basic DTC has simple structure and is easy to be realized,but it presents large torque and current ripples in low speed areas. Basic DTC的控制结构简单,易于实现,但低速时转矩和电流的脉动大。
- For the large torque ripple of inductance motor based on direct torque control, especially at a low speed, this paper proposes a new control strategy. 摘要针对基于直接转矩控制中的感应电动机在低速运转时存在较大的转矩脉动问题,提出了一种新的控制方法。
- Reciprocator cutter works in lower speed and the quality of cutting is not very good.But it is simple and it can be produced very long and large which is very important to harvest rice or wheat. 切割速度较低,切割质量也不是很好,但优点是结构简单,可以做的比较大,适合收获谷物或牧草。
- Due to the large torque ripple of direct torque control in low speed range, a torque angle adjustor based on fuzzy neural network and PI control was adopted to improve the control effect. 针对直接转矩控制低速时转矩脉动大的问题,采用基于模糊网络与PI控制结合的转矩角调节器来改进控制效果。
- With the development trend towards high torque at low speed and high power at high speed,preload and ensure the dynamic quality in whole work condition incl... 确定最佳预紧力,实现电主轴在包含低速大转矩与高速大功率整个工作范围内动力学品质全局兼优是预紧力可控的基础。因此,本文对电主轴系统的最佳预紧力进行了研究。
- Heading control study of a deep manned submersible at a low speed and large drift angles based upon fuzzy sliding mode control 大深度载人潜水器低速大漂角模糊滑模航向控制研究
- Design of a permanent magnet DC motor for low speed large torque and computation of its parameters 低速高扭矩永磁直流电机的设计及参数解析计算
- The paper introduces the launch modes and characteristics of the high speed and low speed near space aerocraft. 介绍了高速临近空间飞行器和低速临近空间飞行器的发射方式和特点。
- The new model delivers speed and fuel economy. 这种新型设计能提高速度、 节约燃料。
- By and large our work have been successful. 总的说我们的工作是成功的。
- EMGEAR GR grades have stringiness for long-lasting protection, enabling to be good lubricants for open gears, chains and wire ropes that operating in low speed and heavy loading. EMGEAR GR具有可提供长期保护作用的特强粘稠特性,为适用于开放式齿轮组、链条与钢缆等低速重负荷机件的优选润滑剂。
- The methods provide an important theoretical base to develop a new generation of MDP with high pumping speed and large throughput. 本文为发展高抽速、大排气流量的新一代拖动分子泵提供了重要的理论基础。
- By and large, your plan is a good one. 总的说来,你的计划很好。
- To solve the problems of low speed and precision of micropipette movement,a novel digital piercing and withdrawing micropipette device(DPWMD) was presented for microinjection. 针对微注射针刺膜速度慢和定位精度差等问题,研制了显微注射用数字化进退针装置。
- Windows were broken and large trees uprooted. 窗被打碎,大树被连根拔起。
- To solve the problems of low speed and precision of micropipette movement, a novel digital piercing and withdrawing micropipette device (DPWMD) was presented for microinjection. 摘要针对微注射针刺膜速度慢和定位精度差等问题,研制了显微注射用数字化进退针装置。