Driving control method for BLDC motor

    公开(公告)号:US10483883B2

    公开(公告)日:2019-11-19

    申请号:US15272229

    申请日:2016-09-21

    Applicant: COAVIS

    Abstract: Provided is driving control method of Brushless DC (BLDC) motor, including: a step of initial driving command input, initially inputting a driving command to the BLDC motor; a step of the first position alignment, compulsively aligning rotor of the BLDC motor at a predetermined position; a step of forced driving, compulsively driving the rotor of the BLDC motor compulsively aligned by accelerating the rotor of the BLDC motor; a step of feedback control, performing feedback control of the BLDC motor; a step of driving off, inputting a stop command to the BLDC motor; and a step of the second position alignment, compulsively aligning the rotor of the BLDC motor at the predetermined position again.

    Controller integrated type fuel pump module for preventing thermal deformation of flange

    公开(公告)号:US11719204B2

    公开(公告)日:2023-08-08

    申请号:US16929619

    申请日:2020-07-15

    Applicant: COAVIS

    CPC classification number: F02M37/103 F02M37/0011

    Abstract: Provided are a controller integrated type fuel pump module for preventing thermal deformation of a flange and a manufacturing method thereof. An embodiment of the present invention is directed to providing a controller integrated type fuel pump module for preventing thermal deformation of a flange that minimizes heat transfer from a board to the flange through a thermal insulation effect by an air gap by improving a structure in a storage part of a controller to form the air gap between the board and the flange in the controller formed integrally with a fuel pump module, and a manufacturing method thereof.

    CONTROLLER INTEGRATED TYPE FUEL PUMP MODULE FOR PREVENTING THERMAL DEFORMATION OF FLANGE

    公开(公告)号:US20210017941A1

    公开(公告)日:2021-01-21

    申请号:US16929619

    申请日:2020-07-15

    Applicant: COAVIS

    Abstract: Provided are a controller integrated type fuel pump module for preventing thermal deformation of a flange and a manufacturing method thereof. An embodiment of the present invention is directed to providing a controller integrated type fuel pump module for preventing thermal deformation of a flange that minimizes heat transfer from a board to the flange through a thermal insulation effect by an air gap by improving a structure in a storage part of a controller to form the air gap between the board and the flange in the controller formed integrally with a fuel pump module, and a manufacturing method thereof.

    BLDC MOTOR CONTROL SYSTEM AND CONTROL METHOD
    6.
    发明申请
    BLDC MOTOR CONTROL SYSTEM AND CONTROL METHOD 审中-公开
    BLDC电动机控制系统和控制方法

    公开(公告)号:US20160065101A1

    公开(公告)日:2016-03-03

    申请号:US14843435

    申请日:2015-09-02

    Applicant: COAVIS

    CPC classification number: H02P6/17 H02P27/085

    Abstract: Provided are a BLDC motor control system and a control method thereof. In more detail, the BLDC motor control system includes: a motor driver 100 driving a brushless DC (BLDC) motor; and a controller 200 sensing an RPM of the BLDC motor to generate a control signal for controlling the BLDC motor, in which the controller 200 may discriminate whether the RPM of the BLDC motor is a high RPM or a low RPM based on a preset reference RPM to generate the control signal.

    Abstract translation: 提供了一种BLDC电机控制系统及其控制方法。 更详细地,BLDC电动机控制系统包括:驱动无刷DC(BLDC)电动机的电动机驱动器100; 以及控制器200,感测BLDC电动机的RPM以产生用于控制BLDC电动机的控制信号,其中控制器200可以基于预设的参考RPM来鉴别BLDC电动机的RPM是高RPM还是低RPM 以产生控制信号。

    Electric water pump and manufacturing method for thereof

    公开(公告)号:US11199191B2

    公开(公告)日:2021-12-14

    申请号:US16033053

    申请日:2018-07-11

    Applicant: COAVIS

    Abstract: An electric water pump of which productivity, maintainability, and use convenience may be improved by simplifying a production process through a change in a structure, and a method of manufacturing the same. The electric water pump includes: a pump housing accepting a motor therein; an acceptor having a cylindrical shape of which one side is opened and formed at one side of the pump housing; a control substrate installed in the acceptor; an external terminal formed of a conductor and penetrating through the acceptor to electrically connect the control substrate to an external power supply; and an internal terminal formed of a conductor and penetrating through the pump housing and the acceptor to electrically connect the motor and the control substrate to each other.

    Signal processing system and signal processing method for sensors of vehicle

    公开(公告)号:US10773728B2

    公开(公告)日:2020-09-15

    申请号:US15927060

    申请日:2018-03-20

    Applicant: COAVIS

    Abstract: Provided are a signal processing system and a signal processing method for sensors of a vehicle. More particularly, the signal processing system includes: a vehicle sensor unit 100 including the plurality of sensors previously provided in the vehicle and transmitting sensing information acquired through the sensors; an arithmetic and control unit 200 receiving sensing information from the vehicle sensor unit 100, and comparing and analyzing the received sensing information to discriminate only normal sensing information from the sensing information and set and transmit the normal sensing information as output information; and a display unit 300 including a plurality of displays previously provided in the vehicle, transmitting the output information received from the arithmetic and control unit 200 to the matched display of the plurality of displays, and outputting the output information through the matched display of the plurality of displays.

    Flow rate measuring device and method capable of correcting gradient
    9.
    发明授权
    Flow rate measuring device and method capable of correcting gradient 有权
    能够校正梯度的流量测量装置和方法

    公开(公告)号:US09581473B2

    公开(公告)日:2017-02-28

    申请号:US14958557

    申请日:2015-12-03

    Applicant: COAVIS

    CPC classification number: G01F1/007 G01F23/2962

    Abstract: The following disclosure relates to a flow rate measuring device and method capable of correcting a gradient. More particularly, the following disclosure relates to a flow rate measuring device and method capable of correcting a gradient that may measure a flow rate having a minimized measurement error by including a sensor unit provided on a bottom surface of an inner portion of a fuel tank in order to accurately measure a flow rate value remaining in the fuel tank to obtain distance information between the bottom surface of the fuel tank and an oil surface and gradient information of the fuel tank itself.

    Abstract translation: 以下公开内容涉及能够校正梯度的流量测量装置和方法。 更具体地,以下公开内容涉及一种流量测量装置和方法,其能够通过包括设置在燃料箱的内部的底部表面上的传感器单元来校正可以测量具有最小测量误差的流量的梯度 准确地测量燃料箱中剩余的流量值,以获得燃料箱的底面和油面之间的距离信息以及燃料箱本身的梯度信息。

    FLOW RATE MEASURING DEVICE AND METHOD CAPABLE OF CORRECTING GRADIENT
    10.
    发明申请
    FLOW RATE MEASURING DEVICE AND METHOD CAPABLE OF CORRECTING GRADIENT 有权
    流量测量装置和校正梯度的方法

    公开(公告)号:US20160161309A1

    公开(公告)日:2016-06-09

    申请号:US14958557

    申请日:2015-12-03

    Applicant: COAVIS

    CPC classification number: G01F1/007 G01F23/2962

    Abstract: The following disclosure relates to a flow rate measuring device and method capable of correcting a gradient. More particularly, the following disclosure relates to a flow rate measuring device and method capable of correcting a gradient that may measure a flow rate having a minimized measurement error by including a sensor unit provided on a bottom surface of an inner portion of a fuel tank in order to accurately measure a flow rate value remaining in the fuel tank to obtain distance information between the bottom surface of the fuel tank and an oil surface and gradient information of the fuel tank itself.

    Abstract translation: 以下公开内容涉及能够校正梯度的流量测量装置和方法。 更具体地,以下公开内容涉及一种流量测量装置和方法,其能够通过包括设置在燃料箱的内部的底部表面上的传感器单元来校正可以测量具有最小测量误差的流量的梯度 准确地测量燃料箱中剩余的流量值,以获得燃料箱的底面和油面之间的距离信息以及燃料箱本身的梯度信息。

Patent Agency Ranking