KR20050082283A - Apparatus for controling electronic suspension of automobile - Google Patents

Apparatus for controling electronic suspension of automobile Download PDF

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Publication number
KR20050082283A
KR20050082283A KR1020040010702A KR20040010702A KR20050082283A KR 20050082283 A KR20050082283 A KR 20050082283A KR 1020040010702 A KR1020040010702 A KR 1020040010702A KR 20040010702 A KR20040010702 A KR 20040010702A KR 20050082283 A KR20050082283 A KR 20050082283A
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KR
South Korea
Prior art keywords
vehicle
lateral acceleration
stabilizer bar
torque
electronically controlled
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Application number
KR1020040010702A
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Korean (ko)
Inventor
장지현
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현대모비스 주식회사
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Priority to KR1020040010702A priority Critical patent/KR20050082283A/en
Publication of KR20050082283A publication Critical patent/KR20050082283A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
    • B60G17/0157—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit non-fluid unit, e.g. electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/018—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B60G17/01908—Acceleration or inclination sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • B60G21/0553—Mounting means therefor adjustable
    • B60G21/0555—Mounting means therefor adjustable including an actuator inducing vehicle roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B60G2206/427—Stabiliser bars or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/07—Inhibiting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/01—Attitude or posture control
    • B60G2800/012—Rolling condition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/304—Acceleration sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/307—Torque sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

본 발명은 차량의 전자제어 현가장치에 관한 것으로, 특히 차량의 전자제어 현가장치에서 스태빌라이저 바의 토크 값과 횡가속도 값을 검출하고 그 값에 따라 스태빌라이저 바의 강성을 가변하는 모터를 제어함으로써 차량의 롤링을 효과적으로 방지할 수 있도록 한 차량의 전자제어 현가장치에 관한 것이다. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronically controlled suspension of a vehicle, and more particularly to detecting a torque value and a lateral acceleration value of a stabilizer bar in an electronically controlled suspension of a vehicle and controlling a motor that varies the rigidity of the stabilizer bar according to the value. It relates to an electronically controlled suspension of a vehicle to effectively prevent rolling.

Description

차량의 전자제어 현가장치{APPARATUS FOR CONTROLING ELECTRONIC SUSPENSION OF AUTOMOBILE} Electronic Control Suspension of Vehicle {APPARATUS FOR CONTROLING ELECTRONIC SUSPENSION OF AUTOMOBILE}

본 발명은 차량의 전자제어 현가장치에 관한 것으로, 보다 상세하게는 차량의 전자제어 현가장치에서 스태빌라이저 바의 토크 값과 횡가속도 값을 검출하고 그 값에 따라 스태빌라이저 바의 강성을 가변하는 모터를 제어함으로써 차량의 롤링을 효과적으로 방지할 수 있도록 한 차량의 전자제어 현가장치에 관한 것이다.The present invention relates to an electronically controlled suspension of a vehicle, and more particularly, to detect a torque value and a lateral acceleration value of a stabilizer bar in an electronically controlled suspension of a vehicle and control a motor that varies the rigidity of the stabilizer bar according to the value. The present invention relates to an electronically controlled suspension device for a vehicle, which effectively prevents rolling of the vehicle.

일반적으로 롤링(Rolling)은 차량을 정면에서 볼 때 좌우로 움직이는 현상으로 차량의 선회시에 운전자 및 탑승자가 가장 많이 느끼는 현상이다. 이러한 롤링을 얼마나 정확하게 제어하는가에 따라 차량의 주행 안정성을 평가받을 수 있는 것이다.In general, rolling is a phenomenon in which a driver and a passenger feel the most when turning a vehicle as a phenomenon of moving from side to side when the vehicle is viewed from the front. How accurately the rolling control can be evaluated the running stability of the vehicle.

이러한 롤링 현상을 억제하기 위해 종래에는 차량의 스태빌라이저 바(Stabilizer Bar)의 스프링상수를 이용하여 기하학점(Geometry Point)을 찾아 롤링을 제어하거나, 스태빌라이저 바 한쪽에 유압식 어큐뮬레이터를 설치하여 좌우 롤링시 어큐뮬레이터에 의한 롤링 제어를 하고 있다.In order to suppress such a rolling phenomenon, conventionally, the spring constant of the vehicle stabilizer bar is used to find the geometry point to control the rolling, or by installing a hydraulic accumulator on one side of the stabilizer bar to accumulate the accumulator when rolling left and right. Rolling control is performed.

그러나, 이와 같은 종래의 롤링 제어장치는 차량이 선회할 경우에 발생하는 원심력에 의한 롤링 등을 포함하는 광범위한 차량의 운동상태에 만족할 수 없는 문제점이 있다. However, such a conventional rolling control device has a problem in that it is not satisfactory to the movement state of a wide range of vehicles including rolling by centrifugal force generated when the vehicle turns.

본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위해 창안된 것으로, 차량의 전자제어 현가장치에서 스태빌라이저 바의 토크 값과 횡가속도 값을 검출하고 그 값에 따라 스태빌라이저 바의 강성을 가변하는 모터를 제어함으로써 차량의 롤링을 효과적으로 방지할 수 있도록 한 차량의 전자제어 현가장치를 제공하는데 그 목적이 있다. The present invention has been made to solve the problems of the prior art as described above, in the electronic control suspension of the vehicle detects the torque value and the lateral acceleration value of the stabilizer bar and the motor to vary the rigidity of the stabilizer bar according to the value An object of the present invention is to provide an electronically controlled suspension device for a vehicle that can effectively prevent rolling of the vehicle by controlling the vehicle.

상기와 같은 목적을 달성하기 위한 본 발명은 차량 운행중 스태빌라이저 바의 토크를 검출하는 토크센서와; 차량의 선회시 좌우방향으로 작용하는 횡가속도를 검출하는 횡가속도 센서와; 상기 토크센서와 횡가속도 센서에서 검출한 토크 및 횡가속도를 분석하여 차량의 롤링 상태를 판단한 후 이를 제어하기 위한 제어신호를 출력하는 제어부와; 상기 제어부의 제어신호에 따라 동작하여 차량의 스태빌라이저 바의 강성을 가변하는 모터;를 포함하여 이루어진다.The present invention for achieving the above object and a torque sensor for detecting the torque of the stabilizer bar during vehicle operation; A lateral acceleration sensor for detecting lateral acceleration acting in the left and right directions when the vehicle is turning; A controller which analyzes the torque and the lateral acceleration detected by the torque sensor and the lateral acceleration sensor, determines a rolling state of the vehicle, and outputs a control signal for controlling the rolling state; And a motor operating according to a control signal of the controller to vary the stiffness of the stabilizer bar of the vehicle.

바람직하게는, 상기 제어부와 모터 사이에는 제어부의 제어신호에 따라 모터의 감쇠력을 조정하는 마그네틱 브레이크가 더 구비된다.Preferably, a magnetic brake is further provided between the controller and the motor to adjust the damping force of the motor according to the control signal of the controller.

또한, 상기 토크센서는 차량의 앞 뒤 스태빌라이저 바에 고정 설치된 것을 특징으로 한다.In addition, the torque sensor is characterized in that the fixed to the stabilizer bar front and rear of the vehicle.

또한, 상기 횡가속도 센서는 차량의 선회시 좌우방향으로 작용하는 횡가속도의 검출이 용이한 차량 적소에 설치된 것을 특징으로 한다.In addition, the lateral acceleration sensor is characterized in that installed in the vehicle easy to detect the lateral acceleration acting in the left and right directions when the vehicle turns.

이와 같은, 본 발명은 차량의 전자제어 현가장치의 스태빌라이저 바와 차량의 적소에 고정 설치된 토크센서와 횡가속도센서에서 스태빌라이저의 토크 값과 차량의 선회시 좌우방향으로 작용하는 횡가속도 값을 검출한다.As described above, the present invention detects the torque value of the stabilizer and the lateral acceleration value acting in the left and right directions when the vehicle is turned by the torque sensor and the lateral acceleration sensor fixedly installed in the stabilizer bar of the electronic control suspension of the vehicle.

그러면, 제어부는 상기 검출한 토크 값과 횡가속도 값을 분석하여 차량의 롤링 상태를 판단한 후 마그네틱 브레이크로 제어신호를 출력한다. Then, the controller analyzes the detected torque value and the lateral acceleration value to determine the rolling state of the vehicle and outputs a control signal to the magnetic brake.

이에, 상기 마그네틱 브레이크는 상기 제어신호에 따라 모터를 제어하여 스태빌라이저 바의 강성을 가변하여 동작하는 것이다.Accordingly, the magnetic brake operates by varying the rigidity of the stabilizer bar by controlling the motor according to the control signal.

이하, 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

도 1 은 본 발명에 의한 차량의 전자제어 현가장치의 구성을 설명하기 위한 블럭도이다.1 is a block diagram illustrating a configuration of an electronically controlled suspension device for a vehicle according to the present invention.

도 1에 도시한 바와 같이, 본 발명은 차량 운행중 스태빌라이저 바(70, 도2 참조)의 토크를 검출하는 토크센서(10)와 차량의 선회시 좌우방향으로 작용하는 횡가속도를 검출하는 횡가속도 센서(20)를 구비한다.As shown in FIG. 1, the present invention provides a torque sensor 10 for detecting torque of a stabilizer bar 70 (see FIG. 2) and a lateral acceleration sensor for detecting lateral acceleration acting in the left and right directions when the vehicle is turning. 20 is provided.

그리고, 상기 토크센서(10)와 횡가속도 센서(20)에서 검출한 토크 및 횡가속도를 분석하여 차량의 롤링 상태를 판단한 후 이를 제어하기 위한 제어신호를 출력하는 제어부(30)가 구비된다.In addition, the controller 30 is configured to analyze the torque and the lateral acceleration detected by the torque sensor 10 and the lateral acceleration sensor 20 to determine a rolling state of the vehicle and then output a control signal for controlling the vehicle.

그리고, 상기 제어부(30)의 제어신호에 따라 동작하며 차량의 스태빌라이저 바(70)의 강성을 가변하는 모터(40)가 구비된다.In addition, a motor 40 that operates according to the control signal of the controller 30 and varies the rigidity of the stabilizer bar 70 of the vehicle is provided.

특히, 상기 제어부(30)와 모터(40) 사이에는 제어부(30)의 제어신호에 따라 모터(40)의 감쇠력을 조정하는 마그네틱 브레이크(50)가 더 구비된다.In particular, a magnetic brake 50 is further provided between the controller 30 and the motor 40 to adjust the damping force of the motor 40 according to the control signal of the controller 30.

도 2 는 본 발명에 의한 차량의 전자제어 현가장치의 구성도이다.2 is a block diagram of an electronic control suspension of a vehicle according to the present invention.

도 2에 도시한 바와 같이, 본 발명에 의한 토크센서(10)는 차량의 앞 뒤 스태빌라이저 바(70)에 고정 설치된다. As shown in Figure 2, the torque sensor 10 according to the present invention is fixedly installed on the front and rear stabilizer bar 70 of the vehicle.

그리고, 횡가속도 센서(20)는 차량의 선회시 좌우방향으로 작용하는 횡가속도의 검출이 용이한 차량 적소에 설치된다.In addition, the lateral acceleration sensor 20 is installed in a vehicle where it is easy to detect the lateral acceleration acting in the left and right directions when the vehicle is turning.

이와 같은 본 발명은 먼저, 차량의 전자제어 현가장치의 스태빌라이저 바(70)와 차량의 적소에 고정 설치된 토크센서(10)와 횡가속도센서(20)에서 스태빌라이저(70)의 토크 값과 차량의 선회시 좌우방향으로 작용하는 횡가속도 값을 검출한다.In the present invention, first, the torque value of the stabilizer 70 and the turning of the vehicle in the stabilizer bar 70 of the electronically controlled suspension of the vehicle and the torque sensor 10 and the lateral acceleration sensor 20 fixedly installed in place. Detect lateral acceleration value acting in right and left direction.

그러면, 제어부(30)는 상기 검출한 토크 값과 횡가속도 값을 분석하여 차량의 롤링 상태를 판단한 후 마그네틱 브레이크(50)로 제어신호를 출력한다.Then, the controller 30 determines the rolling state of the vehicle by analyzing the detected torque value and the lateral acceleration value and outputs a control signal to the magnetic brake 50.

이에, 마그네틱 브레이크(50)는 상기 제어신호에 따라 모터(40)를 제어하여 스태빌라이저 바(70)의 강성을 가변하여 동작하는 것이다. Accordingly, the magnetic brake 50 operates by varying the rigidity of the stabilizer bar 70 by controlling the motor 40 according to the control signal.

상술한 바와 같이, 본 발명은 차량의 전자제어 현가장치에서 스태빌라이저 바의 토크 값과 횡가속도 값을 검출하고 그 값에 따라 스태빌라이저 바의 강성을 가변하는 모터를 제어함으로써 차량의 롤링을 효과적으로 방지할 수 있는 것이다.As described above, the present invention can effectively prevent the rolling of the vehicle by detecting the torque value and the lateral acceleration value of the stabilizer bar in the electronic control suspension of the vehicle and controlling the motor varying the rigidity of the stabilizer bar according to the value. It is.

또한, 차량의 스태빌라이저 바의 강성을 가변하여 롤링을 방지함으로써 차량의 승차감 향상과 안정된 조향 조종을 제공한다.In addition, by varying the rigidity of the stabilizer bar of the vehicle to prevent rolling, improving the ride comfort of the vehicle and providing stable steering control.

도 1 은 본 발명에 의한 차량의 전자제어 현가장치의 구성을 설명하기 위한 블럭도.1 is a block diagram for explaining the configuration of an electronically controlled suspension of a vehicle according to the present invention.

도 2 는 본 발명에 의한 차량의 전자제어 현가장치의 구성도. 2 is a block diagram of an electronic control suspension of a vehicle according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10 : 토크 센서 20 : 횡가속도 센서10: torque sensor 20: lateral acceleration sensor

30 : 제어부 40 : 모터30: control unit 40: motor

50 : 마그네틱 브레이크 60 : 전원 공급부50: magnetic brake 60: power supply

70 : 스테빌라이저 바 80 : 타이어 70: Stabilizer Bar 80: Tire

Claims (4)

차량 운행중 스태빌라이저 바의 토크를 검출하는 토크센서와;A torque sensor that detects torque of the stabilizer bar while the vehicle is running; 차량의 선회시 좌우방향으로 작용하는 횡가속도를 검출하는 횡가속도 센서와;A lateral acceleration sensor for detecting lateral acceleration acting in the left and right directions when the vehicle is turning; 상기 토크센서와 횡가속도 센서에서 검출한 토크 및 횡가속도를 분석하여 차량의 롤링 상태를 판단한 후 이를 제어하기 위한 제어신호를 출력하는 제어부와;A controller which analyzes the torque and the lateral acceleration detected by the torque sensor and the lateral acceleration sensor, determines a rolling state of the vehicle, and outputs a control signal for controlling the rolling state; 상기 제어부의 제어신호에 따라 동작하여 차량의 스태빌라이저 바의 강성을 가변하는 모터;A motor operating according to a control signal of the controller to vary the rigidity of the stabilizer bar of the vehicle; 를 포함하여 이루어진 것을 특징으로 하는 차량의 전자제어 현가장치.Electronically controlled suspension of a vehicle, characterized in that consisting of. 제 1 항에 있어서,The method of claim 1, 상기 제어부와 모터 사이에는 제어부의 제어신호에 따라 모터의 감쇠력을 조정하는 마그네틱 브레이크가 더 구비된 것을 특징으로 하는 차량의 전자제어 현가장치.Electronic control suspension of the vehicle, characterized in that further provided between the control unit and the motor magnetic brake to adjust the damping force of the motor in accordance with the control signal of the control unit. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 토크센서는 차량의 앞 뒤 스태빌라이저 바에 고정 설치된 것을 특징으로 하는 차량의 전자제어 현가장치.The torque sensor is an electronically controlled suspension of a vehicle, characterized in that fixed to the front and rear stabilizer bar of the vehicle. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 횡가속도 센서는 차량의 선회시 좌우방향으로 작용하는 횡가속도의 검출이 용이한 차량 적소에 설치된 것을 특징으로 하는 차량의 전자제어 현가장치.The lateral acceleration sensor is an electronically controlled suspension of a vehicle, characterized in that installed in the vehicle easy to detect the lateral acceleration acting in the left and right directions when the vehicle turns.
KR1020040010702A 2004-02-18 2004-02-18 Apparatus for controling electronic suspension of automobile KR20050082283A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7384047B2 (en) * 2004-02-12 2008-06-10 Aisin Seiki Kabushiki Kaisha Stabilizer control apparatus
CN104020716A (en) * 2014-06-19 2014-09-03 烟台环球机床附件集团有限公司 Detection device for keeping precision of numerically controlled rotary table

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7384047B2 (en) * 2004-02-12 2008-06-10 Aisin Seiki Kabushiki Kaisha Stabilizer control apparatus
CN104020716A (en) * 2014-06-19 2014-09-03 烟台环球机床附件集团有限公司 Detection device for keeping precision of numerically controlled rotary table
CN104020716B (en) * 2014-06-19 2017-01-11 烟台环球机床附件集团有限公司 Detection device for keeping precision of numerically controlled rotary table

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