白丝美女被狂躁免费视频网站,500av导航大全精品,yw.193.cnc爆乳尤物未满,97se亚洲综合色区,аⅴ天堂中文在线网官网

Voltage control utilizing multiple PWM patterns

專利號(hào)
US10097090B1
公開(kāi)日期
2018-10-09
申請(qǐng)人
International Business Machines Corporation(US NY Armonk)
發(fā)明人
Andrew Ferencz; Todd E. Takken; Paul W. Coteus; Xin Zhang
IPC分類
G05F1/00; H02M3/158; H02M1/36; H02P9/30; H02M1/08; H02M1/00
技術(shù)領(lǐng)域
voltage,steady,controller,converter,pwm,may,cyclic,pattern,in,cycle
地域: NY NY Armonk

摘要

A power-delivery system may comprise a load device and a direct-current converter configured to deliver current to the load device when the direct-current converter is in an on state. The power-deliver system may comprise a voltage-measurement system configured to measure, at a beginning of each measurement cycle in a cyclic measurement pattern, a voltage at the load device. The power-deliver system may comprise a power controller configure to receive, at the beginning of each measurement cycle, the measurement of the voltage, and to perform, at the beginning of a control cycle in a cyclic control pattern, a voltage-control decision in response to a change in the measurement of the voltage being below a voltage-change threshold. The voltage-control decision may comprise whether to switch the state of the first direct-current converter. The cyclic control pattern may operate at a first frequency, and the measurement pattern may operate at a second frequency.

說(shuō)明書

At time 214, the voltage controller again measures the voltage of the system and determines that the system has not yet returned to steady state. For that reason, the voltage controller issues a command to the first converter to pulse for a 25% duty cycle. This 25% duty cycle is represented by pulse 228. Further, the voltage controller may determine to continue to control according to the oversampling pattern (even though, in this example, both the oversampling and steady-state patterns begin a control cycle at 214, so a command could have been issued regardless of the pattern followed). At time 216, the voltage controller again measures the system voltage, and determines that the system has returned to steady-state patterns. For this reason, the voltage controller determines to once more control the system voltage according to the steady-state pattern. Further, the voltage controller confirms the decision made at time 214 to pulse the first converter for a 25% duty cycle, and issues a command at time 216 to the first converter, commanding the converter to stop pulsing.

The voltage control described by the embodiments thus far involves a single voltage controller maintaining a cyclic measurement pattern and multiple cyclic PWM patterns simultaneously. However, in some embodiments multiple voltage controllers may be utilized. One voltage controller, for example, may measure and issue commands according to a steady-state cyclic pattern. This controller may be referred to as a steady-state controller. A second voltage controller, in this example, may measure and issue commands according to an oversampling cyclic pattern. This controller may be referred to as an oversampling controller.

權(quán)利要求

1
微信群二維碼
意見(jiàn)反饋