single polar meaning in English
单偏光镜
Examples
- With single polar spwm ( sine pulse width modulation ) , the whole solution of hardware and software is presented based on the resource of the dsp controller chip
经对比系统采用了单极性调制的spwm方式，并根据核心处理芯片的各类资源给出了一套具体的软硬件数字化实现方案。 - At the aspect of hardware design , it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬件方面,采用脉冲分配器和单极性电压驱动技术实现了步进电机的控制和驱动功能;采用脉宽调制技术和cmos互补h桥驱动技术实现了直流伺服电机的控制和驱动功能;采用d / a转换器实现了交流变频器的控制功能;采用数字化相位检测技术实现了感应移相器位置反馈信号的检测功能;采用dsp的捕获单元实现了光电编码器位置反馈信号的检测功能。 - Based on the working principle of pulse width modulation ( pwm ) control system for dc motor , the strong and weak points of two conventional pwm control modes ( limited single polar mode and bipolar mode ) , when used in electric power steering ( eps ) system are analyzed , and a new pwm control , so called quasi - bipolar control mode is proposed with the correction method of its duly ratio given
摘要针对直流电机脉宽调制控制系统的工作原理，分析了受限单极和双极脉宽调制控制模式应用于电动助力转向系统电机驱动时的优缺点，提出了一种“半双极”控制模式及该模式下占空比的修正方法。