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公开(公告)号：US20160211770A1
公开(公告)日：2016-07-21
申请号：US15023402
申请日：2014-09-09
Applicant: HARBIN INSTITUTE OF TECHNOLOGY
Inventor： Liyi Li , Donghua Pan , Qingbo Guo , Junjie Hong
IPC: H02M7/5387
CPC classification number: H02M7/5387 , H02M1/14 , H02M2001/0054 , H02M2003/1555 , H02P7/04 , Y02B70/1491
Abstract: An electromagnetic drive control system comprising an H-shaped full bridge driving circuit connected to a controlled electromagnetic unit, including a first field effect transistor (FET) and a fourth FET connected in series constituting the left arm of the H-shaped full-bridge driving circuit, and a second FET and a third FET connected in series constituting the right arm of the H-shaped full-bridge driving circuit; PWM control unit is used to provide control signal to the FETs of the left and right bridge arms; it is characterized in that: the left arm comprises a first DC voltage source connected in series to the drain of the first FET, and the right arm includes a second DC voltage source connected in series to the drain of the second FET so as to form a dual power circuit; in this configuration, the first DC voltage source and the second DC voltage source are configured appropriately to greatly weaken the output current ripple of the electromagnetic drive control system and allow the system to realize super-high precision control of the electromagnetic drive control system under lower switching frequency, as a result, it can improve the stability of the system, reduce the loss of the system, and significantly decrease the cost of the drive controller.
Abstract translation: 一种电磁驱动控制系统，包括连接到受控电磁单元的H形全桥驱动电路，包括串联构成H形全桥驱动的左臂的第一场效应晶体管（FET）和第四FET 电路，以及构成H形全桥驱动电路的右臂的串联连接的第二FET和第三FET; PWM控制单元用于向左右桥臂的FET提供控制信号; 其特征在于：左臂包括与第一FET的漏极串联连接的第一直流电压源，右臂包括与第二FET的漏极串联连接的第二直流电压源，以形成 双电源电路; 在这种配置中，第一直流电压源和第二直流电压源被适当地配置，以大大削弱电磁驱动控制系统的输出电流纹波，并允许系统实现低电压驱动控制系统的超高精度控制 开关频率，从而可以提高系统的稳定性，减少系统的损耗，大大降低驱动控制器的成本。
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公开(公告)号：US10186987B2
公开(公告)日：2019-01-22
申请号：US15023402
申请日：2014-09-09
Applicant: Harbin Institute Of Technology
Inventor： Liyi Li , Donghua Pan , Qingbo Guo , Junjie Hong
Abstract: An electromagnetic drive control system comprising an H-shaped full bridge driving circuit connected to a controlled electromagnetic unit, including a first field effect transistor (FET) and a fourth FET connected in series constituting the left arm of the H-shaped full-bridge driving circuit, and a second FET and a third FET connected in series constituting the right arm of the H-shaped full-bridge driving circuit; PWM control unit is used to provide control signal to the FETs of the left and right bridge arms; it is characterized in that: the left arm comprises a first DC voltage source connected in series to the drain of the first FET, and the right arm includes a second DC voltage source connected in series to the drain of the second FET so as to form a dual power circuit; in this configuration, the first DC voltage source and the second DC voltage source are configured appropriately to greatly weaken the output current ripple of the electromagnetic drive control system and allow the system to realize super-high precision control of the electromagnetic drive control system under lower switching frequency, as a result, it can improve the stability of the system, reduce the loss of the system, and significantly decrease the cost of the drive controller.
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