zero vector meaning in English
零矢量
零向量
Examples
- By analyzing the basic principle of voltage space vector pwm , a method is proposed to choose the zero vectors dynamically according to the power factor angle of the load and the concept of the lag angle of non - switching sectors
在分析了空间矢量pwm基本原理的基础上，提出了一种根据负荷功率因数角动态分配零矢量的方法，并引入了不开关扇区滞后角的概念。 - As a result , the concept of state space for conceptual design of mechanical system is presented , which is new to the literature , based on the set of all state vectors . meanwhile , the properties of state vectors , which are vectors addition , constant multiplying , reversible driving , zero vectors , are discussed in state space . secondly , the dual - vector is introduced to descript the essential relation among the input and output characteristic vectors as well as sms
按照状态空间中对偶特征矢量的运算规则，在已知系统的输入输出特征矢量的情况下，通过数学推导求解，将形成的系统状态变换矩阵分解为多个状态变换矩阵的乘积，再通过各状态变换矩阵到数据库中寻找相应的基本变换单元集合，然后进行按序组合，进而从理论上获得相应的方案设计可行解。 - People can easily design the hysteresis current control hardware circuit , but the switching frequency is variable which makes us difficult the design the output filter , moreover the output waveform is not good . the space vector modulation techniques , by selecting the zero vector properly , it can reduce the harmonic content of the output voltage , so it has become a popular control method
滞环电流控制的硬件电路设计简单,但存在开关频率不固定,输出滤波器设计困难,输出波形质量差,空间矢量控制( svm )技术具有较高的电压利用率,且通过对零矢量的合理控制可以降低谐波含量或降低开关损耗,因此是一种较好的控制方法。 - In the control software , the object - oriented method is used for doing system analysis and study . furthermore , the message - driven mechanism is used in the control software research and design . the instantaneous zero vector inserting space vector pwm theory is adopted to control the permanent magnet synchronous machine as the driver motor in the control software
软件采用面向对象的程序设计方法对系统进行分析与研究，将消息驱动机制应用于控制软件的设计和开发之中，在控制软件中采用瞬时零矢量插入磁链轨迹法(电压空间矢量法)来控制永磁同步电机。 - In this paper , a new control strategy based on the adaptive deadbeat voltage space vector is presented . this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency . it has many advantages , such as producing zero vectors organically , tracing exactly , non - shaking , etc . and its dynamic response is better
对于电能质量调节器来讲， pwm跟随指令参考信号的控制性能在很大程度上影响着装置的补偿效果，本文选择无差拍电压空间矢量控制为系统控制策略，这种控制方法具有采样频率低，开关频率与采样频率的差距小，能有机地产主零矢量、跟踪精确以及无抖振等优点，动态响应快。