The program with over modulation algorithm improved the utilization of DC voltage greatly . The motor control system has excellent torque response and accurate speed control characteristic achieves the desired design features and running well .
程序中加入过调制算法,很大程度上提高了直流电压利用率,并且具有优良的 转矩 响应特点和精确的速度控制特性,达到了预期的设计功能,运行效果良好。
Testing and calculation analysis are two main methods to study the torsional vibration of crankshaft in this thesis a new method based on the transfer function between excitation torque and response of the crankshaft has been discussed .
目前主要通过实验测试和(建模)计算分析两种方法来研究内燃机轴系扭振,本文将探讨由激励 力矩和轴系扭振 响应之间的传递函数求扭振 响应的方法。
High-speed motorized spindle Magnetic flux Frequency control Torque control Dynamic response ;
高速电主轴;磁通;变频调速; 转矩控制;动态 响应;
It discard the decouple idea of vector control and directly control the stator flux and torque of PMSM . It has the advantage of simple control structure directly control and rapid torque response .
它摈弃了矢量控制的解耦思想,直接对电机的定子磁链和转矩进行控制,具有结构简单,控制直接, 动态 响应快的特点。
The simulation and experimental results confirm that both flux linkage and torque ripples are significantly reduced in EFVC-DTC with a fixed switching frequency while the dynamic torque response is almost as good as the basic DTC .
仿真及实验结果表明EFVC-DTC可以使电力开关器件工作在基本固定的频率上,磁链和转矩脉动显著减小,比常规DTC具有更优越的稳态性能,而动态 转矩 响应几乎与常规DTC相同。
Utilizing the stator flux error electromagnetic torque error and flux position as fuzzy variables and fuzzy logic for choosing the switching states this system improves the electromagnetic torque response of the system effectively in transient states .
系统选用电机定子磁链误差、电机电磁转矩误差及磁链位置角作为模糊变量,利用模糊逻辑选择开关状态,有效地提高了系统暂态时 转矩 响应。
Shared primary objectives included the highest possible torque and fast response from low revs .
共同的主要目标包括尽可能高 转矩 和 响应速度快的低转速。
As a new method of AC speed regulating system Direct Torque Control is widely spread with its simple control structure fast torque response and low demands on the motor parameters .
直接转矩控制作为一种新型的交流调速方法,它以其简单的控制结构,快速的 转矩 响应和对电机的参数要求低等优点,受到广泛关注。
The results indicate that the starting flux and torque dynamic response and the response to the step changes in command torque with fuzzy controller show a considerable improvement over the conventional control and the steady state reponse in both cases are the same .
结果表明:使用模糊控制器驱动系统在起动和 转矩阶跃变化时的动态 响应有了改善,而稳态响应保持不变;
The simulation results show that the motor has fast dynamic response high steady-state tracking accuracy torque transient response characteristics which is the same as the vector control frequency conversion theoretical analysis . This will provide a foundation for further study in the motor control strategy .
仿真结果表明电机转速的动态响应快,稳态跟踪精度高, 转矩具有瞬时 响应特性,该结果与矢量控制变频理论分析时一致,为该电机的控制策略的进一步研究指明方向。
This paper discusses the similarity method of imitating mechanical and electrical system and with the help of four terminal parameter it also analyzes the main shaft torque response of grinder .
通过对机电系统相似模拟法探讨,利用四端参数法解决了粉碎机主轴 扭矩 响应求解问题。
It has much merit that controlling structure is simple and the torque response of system is rapid and has no overtaking melody and electrical energy can inpour electrified wire netting by returning unit .
它具有控制结构简单、系统的 转矩 响应迅速且无超调、电能可通过其回馈单元回馈电网等众多优点。
The DTC technology is a high-performance speed method with fast torque response while there are some questions such as flux drift and torque ripple .
直接转矩控制作为一种 转矩 响应快高性能的交流调速系统,低速时仍然存在磁通偏差和转矩脉动现象。
Double space vector modulation and overmodulation of matrix converter were proposed in this paper to ensure the matrix converter switching frequency to be fixed and fast dynam-ic torque response .
结合矩阵变换器双空间矢量调制方法,并将矩阵变换器过调制方法用于感应电机直接 转矩控制中,达到矩阵变换器开关频率恒定和电机快速 转矩 响应的目的。
Many post-earthquake investigations showed that bridges produced a torque response sometimes these torsional response may cause great destruction to the bridge .
大量震后调查表明,桥梁在地震动作用下会产生 扭转 反应,有的时候这些扭转反应会对桥梁结构造成很大的破坏。
Experiment Research on Drag Torque and Response Characteristic of Wet Multidisc Brake
湿式多片式制动器带排 转矩 和 响应特性的试验研究
Fast Torque Response Control of High Efficiency Drives in Electric Vehicles Based on Voltage Space Vector
基于电压空间矢量的电动汽车电驱动系统高效快 转矩 响应控制
Experimental results shows that the coreless disk type motor DTC system has extremely fast torque response and satisfying dynamic performance and its torque ripple in steady-state is much smaller than normal DTC system .
实验结果表明,设计出的盘式无铁心永磁电机直接转矩控制调速系统具有快速的 转矩 响应和良好的动态特性,其稳态时的转矩脉动也比传统直接转矩控制小很多。
The results showed that : direct torque control than the vector control is relatively less online computation the direct torque control is relatively simple the speed and torque response speed is relatively fast .
结果表明:直接转矩控制比矢量控制的在线运算量相对少一些,直接转矩控制相对简单,其速度和 转矩 响应速度相对来说较快。
Based on the operating mode of PMSTM zero voltage vectors are chosen to obtain quick dynamic torque response and reduce inverter switching loss .
根据电机的运行状态选择空间电压矢量获得快速动态 转矩 响应,同时有效降低逆变器的开关损耗。
Based on the idea of optimal slip frequency control the strategy combines the idea of rotor flux oriented vector control and decoupled control for rapid torque response with optimal slip frequency control for minimum loss .
该策略依据 最优滑差频率的控制思想,结合转子磁链定向的矢量控制和磁链解耦控制,以实现兼顾效率的高 性能 转矩控制。
Simulation results show that although the conventional direct torque control has fast torque response but the flux and torque ripple is relatively large .
仿真结果表明,传统的直接转矩控制虽然 转矩 响应快,但是,转矩和定子磁链都存在很大的脉动。
The merits of DTC lie in the simplicity of the control structure fast torque response better robustness and being more prone to digital control .
DTC具有结构简单、动态 转矩好、鲁棒性好和易于数字化控制等优点。
After the combination of direct flux control algorithms and over-modulation technique a rapid dynamic torque response characteristic is also achieved in the flux-weakening control areas .
直接磁链控制算法与过调制技术相结合后,在弱磁控制区也实现了快速的动态 转矩 响应特性。
With adams dynamics simulation software this paper analyzes the dynamics problem of a newly made seven DOF anthropomorphic arm and as a example with the anthropomorphic arm ' self - motion a torque response with follow - up control is given .
借助于adams动力学仿真工具,分析了一种新研制的七自由度仿人手臂的动力学问题,并以仿人手臂的自运动为例,求出了随动控制下的 力矩 响应。
The damper is capable of providing a continuously variable dampering force / torque in response to a magnetic field .
研制了一种用于被动力/ 力矩再现的新型磁流变液阻尼器,该阻尼器能够在磁场的 作用下产生连续变化的阻尼力 / 力矩。
It introduced into the control rule on the real-time adjusting input availably improved the system character of the torque response and utilized the Matlab to simulate the control system .
引进了输入实时调节的控制规则,有效的改进了系统 转 距 响应特性,并用Matlab对控制系统进行了仿真。
Fuzzy logic is used for choosing the switching states . which improves the electric torque response of the system effectively during the start-up and a step change in command torque .
采用模糊逻辑选择逆变器的开关状态.有效地提高了系统在启动和转矩给定突变时的 转矩 响应。
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