| 1. | State feedback pole assignment technique is used to gain fast tracking of the output voltage , and a repetitive control is designed to reduce voltage distortion under nonlinear loads 系统利用状态反馈极点配置获得了电压跟踪控制的快速性,利用重复控制较好地抑制了非线性负载工况下的电压畸变。 |
| 2. | The resource - constrained scheduling algorithm reduces the power consumption by maximally utilizing given resources operating at reduced voltages and at the same time , reducing the latency 本文中提出了基于gain大小搜索的时间和资源约束的调度算法,该算法具有较好的优化效果和较低的时间复杂度。 |
| 3. | 2 . the control signals couple through the capacitance of the switches to the output , the dynamic error caused by the parasitic gate ? drain feedthrough capacitance is significantly lowered by the use of a reduced voltage swing at the input of the switches 2 .差分开关的控制信号会通过晶体管的寄生电容耦合到输出,从而影响dac的动态性能,设计中通过降低控制信号电压的方法来解决这个问题。 |
| 4. | To reduce voltage stress of power switch in the flyback - forward converter , a novel two - transister flyback - forward converter is present in this paper . by adjusting the turns ratio of forward and flyback transformer we can distribute the delivering power of forward and flyback transformer 提出了一种双管正?反激组合变换器,通过调整正、反激变压器的匝比关系,可以任意改变正、反激变压器向负载传输功率的分配比率。 |
| 5. | To reduce voltage stress of transformer secondly diodes , a novel parallel - parallel / serial type cttfc is presnt . it has many attractive characteristics , such as low current stress of power switches , small intput and output filter size , high reliability , and sharing output voltage 提出了一种并?并串型双管正激组合变换器,该组合变换器具有副边二极管电压应力低、开关管电流应力小、输出均压、输入输出滤波器体积小等优点。 |
| 6. | Repetitive control is used to reduce voltage distortion under abrupt load variation or nonlinear loads and attain good quality of the voltage waveform ; current loop is designed to quicken the dynamic response and strengthen the ability of the inverter control 重复控制可以抑制逆变电源在负载变化严重(空载加到满载)或者非线性负载条件下的输出电压畸变,保证输出波形的质量;电流环用以改善输出波形的动态响应特性,提高逆变控制的能力。 |
| 7. | The converter not only keeps all the characteristics of the basic zvs pwm h - fb tl converter , but also eliminates the voltage oscillation and voltage spike across the rectifier diodes in both three - level mode and two - level mode , leading to a reduced voltage stress of the rectifier diodes 本文在基本zvspwmh - fbtl变换器中引入两只箝位二极管,无论是在三电平模式还是在两电平模式,都可以消除输出整流二极管反向恢复造成的电压尖峰和振荡,降低了输出整流管的电压应力。 |
| 8. | To reduce voltage stress of power switches , a series - parallel type cttfc is studied in this paper . voltage - sharing of input capacitors can be realized naturally in discontinuous conduction mode , andvoltage - sharing of input capacitors can also be realized naturally in continuous conduction mode . the voltage stress of power switches is only half of the input voltage , so power mosfet can be used in high input voltage applications 揭示了串?并型双管组合变换器电流断续工作方式时输入电容电压自然均压的机理;对于电流连续工作方式,也能实现输入电容自然均压。输出续流管串联方式的串?串型双管正激组合变换器,其输入电容自然均压特性与串?并型双管正激组合变换器一致。 |
| 9. | Multilevel inverter technology is a pop research in high voltage and high - power converting fields . it can synthesize multilevel output with the distribution of dc voltage and the combination of different switching actions to reduce voltage stress across the switches and bulk of the equipment , and lessen output harmonic distortion and switching loss of the inverter 多电平逆变器是当前高压大功率电能变换领域中的研究热点之一,它通过对直流侧的分压和开关动作的不同组合,实现多电平阶梯波输出电压,能有效地减小器件承受的电压应力,缩小装置体积,减小输出电压谐波和开关损耗。 |
| 10. | The algorithm is list - based . the timing - constrained scheduling algorithm reduces the power consumption by assigning as many nodes as possible to the resources operating at reduced voltages . in the paper , we propose three kinds of scheduling algorithms with multiple voltages under timing constraints , which have separately lower time complexity , better optimizing effect and better optimizing capability as a whole 由于多电压调度是np - hard问题,本文还采用了一种基于模拟退火搜索的时间和资源约束的调度算法,该算法是一种启发式的搜索算法,通过与基于gain大小搜索的调度算法的对比,数据表明两算法优化效果接近,但此算法具有较低的时间复杂性。 |