1) PWM dimming
PWM调光
1.
In this paper,a design of a low cost HB LED driver of DRL based on LM5022 is presented,with constant current drive and PWM dimming realized smoothly.
设计了一款基于通用IC LM5022的低成本汽车日行灯HB LED驱动电路,实现了HB LED的恒流驱动和PWM调光,并能满足日行灯的有关驱动要求。
2) PWM timing
PWM调速
1.
On the principle of PWM timing, the singlechip outputs control signal that adjusts pump electromotor rotate speed for retaining air pressure in cure instrument s vessel invariably.
单片机利用PWM调速原理输出控制信号调节气泵电机的转速,保持治疗仪容器内气压值恒定。
3) PWM
PWM调制
1.
Speed Control of Asynchronous Traction Motor Based on Magnetic Flux Locus PWM Method;
基于磁链轨迹PWM调制方式的异步牵引电机转速控制
2.
Objective Pointing the blood pump based on an active magnetic bearing(AMB) system,this paper introduces a comparable optimized PWM ML4428 control chip,which provides all the functions necessary for controlling a blood pump.
方法模块使超出芯片调速范围的电压信号通过比较、编码,通过数字电子网络转换成为规定范围内的电压信号,实现血泵转速的PWM调制。
3.
In order to get a constant switching frequency, a approach to the design of PWM-based sliding mode variable structure controllers for DC-DC converters is proposed.
本文致力于滑模变结构控制方法在DC-DC变换器中应用的研究,对几种实用性强的滑模变结构控制方案进行了分析和讨论,其中,针对基于滞环调制的传统滑模变结构控制器切换频率不固定的问题,提出的一种基于PWM调制的滑模变结构控制方法是本文的重点。
4) PWM modulation
PWM调制
1.
Second, a new PWM modulation technology is get in used.
本文设计了一款低功耗D类音频子系统,该设计主要应用于便携式音频设备中,主要有以下几个特点:首先加入了兼容I2C总线的接口电路,使得芯片可以受CPU或者MCU的控制;其次,采用了新一代的PWM调制技术;最后,简化了电路结构,拥有比较小的芯片面积。
2.
Therefore, this article focuses on the multi-level cascade inverter PWM modulation technique, commonly used in the comparative study of several PWM modulation techniques, the proposed two types of PWM switching frequency modulation technique to improve the methods of optimization and the design of a variety of modulation technology to generate PWM wave circuit.
因此,本文重点研究了级联式多电平逆变器的PWM调制技术,在对比研究几种常用PWM调制技术之后,提出两种PWM调制技术的开关频率优化改进方法,并设计出各种调制技术的PWM波生成电路。
3.
In order to reduce its torque ripple and improve its performance, the new PWM modulation strategy and new control topology for torque ripple suppression of the BLDCM are both studied in this dissertation.
为了降低转矩脉动、改善运行性能,本文主要针对PWM调制策略及电机控制系统结构两个方面进行了相关研究。
5) PWM regulating
PWM调节
补充资料：调光
1.调情。谓勾引妇女。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条