CN108621734A - 振动感应型悬架***以及控制其的方法 - Google Patents

振动感应型悬架***以及控制其的方法 Download PDF

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CN108621734A
CN108621734A CN201810134361.3A CN201810134361A CN108621734A CN 108621734 A CN108621734 A CN 108621734A CN 201810134361 A CN201810134361 A CN 201810134361A CN 108621734 A CN108621734 A CN 108621734A
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damping force
frequency
suspension system
induction type
vibration induction
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姜熙坤
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Hyundai Motor Co
Kia Corp
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Hyundai Motor Co
Kia Motors Corp
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/015Resilient 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
    • B60G17/0195Resilient 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 regulation being combined with other vehicle control systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/015Resilient 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/015Resilient 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
    • B60G17/016Resilient 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 their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0164Resilient 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 their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during accelerating or braking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/015Resilient 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
    • B60G17/016Resilient 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 their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0165Resilient 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 their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/015Resilient 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
    • B60G17/018Resilient 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/015Resilient 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
    • B60G17/019Resilient 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
    • B60G17/01908Acceleration or inclination sensors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/06Characteristics of dampers, e.g. mechanical dampers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/10Acceleration; Deceleration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/10Acceleration; Deceleration
    • B60G2400/102Acceleration; Deceleration vertical
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/90Other conditions or factors
    • B60G2400/91Frequency
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00Indexing codes relating to the regulated action or device
    • B60G2500/10Damping action or damper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/60Signal noise suppression; Electronic filtering means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/70Computer memory; Data storage, e.g. maps for adaptive control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00Indexing 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
    • B60G2800/22Braking, stopping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00Indexing 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
    • B60G2800/90System Controller type
    • B60G2800/91Suspension Control
    • B60G2800/916Body Vibration Control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00Special features of vehicle units
    • B60Y2400/30Sensors
    • B60Y2400/303Speed sensors
    • B60Y2400/3032Wheel speed sensors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00Special features of vehicle units
    • B60Y2400/30Sensors
    • B60Y2400/304Acceleration sensors

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

Abstract

本申请致力于振动感应型悬架***以及控制其的方法。所述振动感应型悬架***可以包括:减振力可变型减振器、检测装置、储存装置和ECU;所述检测装置检测加速度信号;所述储存装置从车辆的激振测试提取固有频率并且储存所提取的固有频率;所述ECU从检测装置接收加速度信号,提取频率信号,并且确定所提取的频率是否符合固有频率,从而调节减振器的减振力。

Description

振动感应型悬架***以及控制其的方法
与相关申请的交叉引用
本申请要求2017年3月15日提交的韩国专利申请第10-2017-0032414号的优先权,该申请的全部内容结合于此用于通过该引用的所有目的。
技术领域
本发明涉及振动感应型悬架***以及控制其的方法;更具体地,涉及这样的振动感应型悬架***以及控制其的方法,其旨在当特定的频率输入至设置有电子控制悬架的车辆时控制减振力,从而减少车轴的振幅并防止制动器不工作。
背景技术
通常,悬架***是这样的装置,其将包括车架、动力装置、动力传递装置等车身以外的装置连接至附接有车轮的车轴,并且其包括减振器和弹簧以吸收由不平坦的道路导致的振动。
如图1A所示,车轴包括转向节10、轮毂轴承、制动盘40、制动钳20等,所述车轴受到来自车辆的发动机的旋转力以驱动车轮,并且产生制动力。
如图1B所示,当车辆在特定的不平坦道路上以特定的车速行驶时,如果输入到车轮的负载频率符合车轴的固有频率,那么车轴就产生共振,并且振幅立刻变得过大。
在这种情况下,车轴的振动变大,因此制动盘40与制动钳20之间发生相对运动。进一步地,制动盘40推动制动片30,从而使得在踩踏制动踏板时,制动器可能由于被推动的制动片30而无法正常地工作。
公开于本背景技术部分的信息仅仅旨在增加对本发明的总体背景的理解,而不应当被视为承认或以任何形式暗示该信息构成已为本领域一般技术人员所公知的现有技术。
发明内容
本发明的各个方面致力于提供这样的振动感应型悬架***以及控制其的方法,其旨在当在设置有电子控制悬架的车辆中的车轮输入频率符合车轴的预定固有频率时,控制减振器的减振力,从而减少车轴的振幅并防止制动器不工作。
本发明的示例性实施方案致力于一种振动感应型悬架***,其包括:减振力可变型减振器;检测装置,其检测加速度信号;储存装置,其从车辆的激振测试结果提取车身或车轴的固有频率并且储存所提取的固有频率;以及发动机控制单元(ECU),其从所述检测装置接收加速度信号,提取频率信号,并且确定所提取的频率是否符合储存在所述储存装置的固有频率,从而调节减振器的减振力。
所述检测装置可以是检测车身的加速度信号的车身加速度检测器或者检测车轮的加速度信号的车轮加速度检测器。
所述车轮加速度检测器可以安装在车辆的前车轮上。
振动感应型悬架***可以进一步包括:模式开关,其具有自动模式和手动模式。
本发明的各个方面致力于提供一种控制振动感应型悬架***的方法,其包括:设定车身或车轴的固有频率;接收行驶车辆的加速度信号;从所接收的加速度信号提取频率信号;确定所提取的频率是否符合固有频率;调节减振力可变型减振器的减振力,以抑制振幅由于车身或车轴的共振而产生。
设定固有频率可以包括:以车辆激振测试装置根据频率激振车辆而进行激振测试;分析从激振测试获得的测试结果并且提取车身和车轴的固有频率;在储存装置中储存所提取的车身和车轴的频率。
减振力的调节可以同时使每个减振力可变型减振器的减振力变换为硬模式。
在调节减振力时,可以在预定的时间后完成减振力的控制。
在调节减振力时,可以在移动预定的距离后完成减振力的控制。
减振力可变型减振器的减振力的调节可以使电子控制悬架变换为手动模式。
根据本发明的各个方面,能够调节减振力可变型减振器的减振力,以抑制振幅由于车身或车轴的共振而产生,并且在根据道路和行驶情况状态预计会产生共振时,或者在已经产生了共振时,电子控制悬架变换为手动模式,以防止制动器不工作。
根据本发明的各个方面,当在设置有电子控制悬架的车辆中的车轮输入频率符合车轴的预定固有频率时,通过控制减振器的减振力而减小车轴的振幅,从而防止制动器不工作。
本发明的方法和装置具有其它的特性和优点,这些特性和优点从并入本文中的附图和随后的实施方案中将是显而易见的,或者将在并入本文中的附图和随后的实施方案中进行详细陈述,这些附图和实施方案共同用于解释本发明的特定原理。
附图说明
图1A为显示了制动器的结构的示意图。
图1B为显示了在车轴中产生共振时制动器不工作的状态的示意图。
图2为显示了根据本发明示例性实施方案的振动感应型悬架***的图。
图3为显示了根据本发明示例性实施方案的控制振动感应型悬架***的方法的流程图。
应当理解,附图不一定是按照比例绘制,而是呈现各种特征的简化表示,以对本发明的基本原理进行说明。本发明所公开的具体设计特征(包括例如具体尺寸、方向、位置和形状)将部分地由具体所要应用和使用的环境来确定。
在这些图中,贯穿附图的多幅图,相同的附图标记表示本发明的相同或等同的部分。
具体实施方式
下面将详细参考本发明的各个实施方案,这些实施方案的示例呈现在附图中并描述如下。尽管本发明将与示例性的实施方案相结合进行描述,应当理解本说明书并非旨在将本发明限制为这些示例性的实施方案。相反,本发明旨在不但覆盖这些示例性的实施方案,而且覆盖可以被包括在本发明的精神和由所附权利要求所限定的范围之内的各种选择形式、修改形式、等价形式及其它实施方案。
在本发明的说明书和权利要求中使用的术语或词语不应理解为仅限于通常的和字典上的意义。相反,这些术语和词语应当以这样的方式理解,基于保持发明的范围的本发明的意义和概念,基于发明者能够适当地定义术语从而以最佳的方式描述发明的原则。因此,本发明可以以不同的形式实施并且不应解释为限于在此阐述的示例性实施方案。进一步地,应理解术语“第一”或“第二”不旨在限定元件,而用于区分一个元件与另一个元件。
图2为显示了根据本发明示例性实施方案的振动感应型悬架***的图。
参考图2,根据本发明示例性实施方案的振动感应型悬架***包括:减振力可变型减振器400、检测装置100、储存装置200和发动机控制单元(ECU)300;所述检测装置100检测加速度信号,所述储存装置200从车辆的激振测试结果提取车身或车轴的固有频率并且储存所提取的固有频率,所述ECU 300从检测装置100接收加速度信号,提取频率信号,并且确定所提取的频率是否符合储存在储存装置中的固有频率,从而调节减振器的减振力。
减振力可变型减振器400在其一侧或在其中具有减振力可变型阀以适当地调节减振力属性,并且配置为适当地调节减振力属性以根据道路和行驶情况而改进乘坐品质或操控性能。
减振力可变型减振器400设置在车身或车架与每个车轮之间,从而能够响应来自ECU 300的控制指令而调节减振力。
作为电子控制悬架,振动感应型悬架***可以进一步包括模式开关。
根据驾驶员的意愿,模式开关可以变换为自动模式或手动模式,或者可以自动地或手动地变换电子控制悬架的减振力。
也就是说,根据本发明示例性实施方案的振动感应型悬架***是电子控制悬架,其具有自动地调节减振力的自动模式以及手动地调节减振力的手动模式。在电子控制悬架变换为手动模式时,不会发生制动器由于道路和行驶情况而不工作的现象。
因此,根据本发明的示例性实施方案,为了抑制振幅由于车身或车轴的共振而产生,可以调节减振力可变型减振器的减振力。如果根据道路和行驶情况状态预计会产生共振,或者已经产生了共振,那么电子控制悬架就变换为手动模式,以防止制动器不工作。
检测装置100可以是检测车身的加速度信号的车身加速度检测器110或者检测车轮的加速度信号的车轮加速度检测器120。
车身加速度检测器110检测车身的加速度,特别地检测车身的竖直加速度信号,随后将所检测的竖直加速度信号传递至ECU 300的接收装置310。
车轮加速度检测器120检测车轮的加速度,特别地检测车轮的竖直加速度信号,随后将所检测的竖直加速度信号传递至ECU 300的接收装置310。
车轮加速度检测器120可以安装在车辆的前车轮上。也可以将车轮加速度检测器安装在车辆的前车轮和后车轮上。
储存装置200从车辆的激振测试结果提取车身或车轴的固有频率,并且储存所提取的固有频率。
ECU 300从检测装置100接收加速度信号,提取频率信号,并且确定所提取的频率是否符合储存在储存装置200中的固有频率,从而调节减振力可变型减振器400的减振力。
ECU 300进一步包括接收装置310、提取装置320和减振力调节装置330。
接收装置310接收从检测装置100检测到的车身或车轮的加速度信号。
提取装置320从通过接收装置310接收的车身或车轮的加速度信号提取共振频域的信号分量。此处,可以使用滤波器以提取共振频域的信号分量。
减振力调节装置330将所提取的信号分量的大小与车身或车轴的固有频率相比较(所述固有频率预先储存在储存装置200中),并且确定所提取的频率是否符合固有频率,从而调节减振力可变型减振器400的减振力,以抑制振幅由于车身或车轴的共振而产生。
图3为显示了根据本发明示例性实施方案的控制振动感应型悬架***的方法的流程图。
参考图3,根据本发明示例性实施方案的控制振动感应型悬架***的方法包括:设定车身或车轴的固有频率的步骤S100,接收行驶车辆的加速度信号的步骤S200,从所接收的加速度信号提取频率信号的步骤S300,确定所提取的频率是否符合固有频率的步骤S400,调节减振力可变型减振器的减振力以抑制振幅由于车身或车轴的共振而产生的步骤S500。
也就是说,根据本发明示例性实施方案的控制振动感应型悬架***的方法如下实行。首先,进行激振测试以分析车身或车轴的固有频率并将该频率储存在储存装置200中。之后,在车辆行驶时,从车身加速度检测器110或车轮加速度检测器120接收加速度信号,并且从所接收的加速度信号提取频率信号。随后,确定所提取的频率是否符合固有频率,从而调节减振力可变型减振器400的减振力,以抑制振幅由于车身或车轴的共振而产生。
设定固有频率的步骤S100包括:以车辆激振测试装置根据频率激振车辆而进行激振测试的步骤S110,分析从激振测试获得的测试结果并且提取车身和车轴的固有频率的步骤S120和步骤S130,在储存装置200中储存所提取的车身和车轴的频率的步骤S140。
在提取频率信号的步骤S300中,提取装置320从通过接收装置310接收的车身或车轮的加速度信号提取共振频域的信号分量。此处,可以使用滤波器来提取共振频域的信号分量。
在确定所提取的频率是否符合固有频率的步骤S400中,减振力调节装置330将所提取的信号分量的大小与车身或车轴的固有频率相比较(所述固有频率预先储存在储存装置200中),并且确定所提取的频率是否符合固有频率。
在调节减振力的步骤S500中,可以调节减振力可变型减振器400的减振力,以抑制振幅由于车身或车轴的共振而产生。
在调节减振力的步骤S500中,每个减振力可变型减振器的减振力可以同时变换为例如硬模式。
进一步地,在调节减振力的步骤S500中,可以在预定的时间后,或者在移动预定的距离后,完成减振力的控制。其原因在于,即便不控制减振力,在制动无法工作时,车辆可能在1至10秒内在移动100或200米后制动。
在调节减振力可变型减振器的减振力的步骤S500中,电子控制悬架可以变换至手动模式。
也就是说,根据本发明示例性实施方案的振动感应型悬架***是电子控制悬架,其可以具有自动地调节减振力的自动模式以及手动地调节减振力的手动模式。在电子控制悬架变换为手动模式时,不会发生制动器由于道路和行驶情况而不工作的现象。
因此,根据本发明的示例性实施方案,为了抑制振幅由于车身或车轴的共振而产生,可以调节减振力可变型减振器的减振力。在根据道路和行驶情况状态预计会产生共振时,或者在已经产生了共振时,电子控制悬架变换为手动模式,以防止制动器不工作。
根据本发明的示例性实施方案,当在设置有电子控制悬架的车辆中的车轮输入频率符合车轴的预定固有频率时,通过控制减振器的减振力而减小车轴的振幅,从而防止制动器不工作。
为了方便解释和精确限定所附权利要求,术语“上侧”、“下侧”、“内部”、“外部”、“上”、“下”、“上部”、“下部”、“向上”、“向下”、“前”、“后”、“背”、“内侧”、“外侧”、“向内”、“向外”、“内部”、“外部”、“内”、“外”、“向前”和“向后”被用于参考附图中所显示的这些特征的位置来描述示例性具体实施方案的特征。
前面对本发明具体示例性的实施方案所呈现的描述是出于说明和描述的目的。前面的描述并不旨在成为穷举的,也并不旨在把本发明限制为所公开的精确形式,显然,根据上述教导很多改变和变化都是可能的。选择示例性实施方案并进行描述是为了解释本发明的特定原理及其实际应用,从而使得本领域的其它技术人员能够实现并利用本发明的各种示例性实施方案及其不同选择形式和修改形式。本发明的范围由所附权利要求及其等价形式所限定。

Claims (10)

1.一种振动感应型悬架***,包括:
减振力可变型减振器;
检测装置,其检测加速度信号;
储存装置,其从车辆的激振测试提取固有频率并且储存所提取的固有频率;以及
发动机控制单元,其配置为从所述检测装置接收加速度信号,提取频率信号,并且确定所提取的频率是否符合所述固有频率,从而调节减振器的减振力。
2.根据权利要求1所述的振动感应型悬架***,其中,所述检测装置包括检测车身的加速度信号的车身加速度检测器或者检测车轮的加速度信号的车轮加速度检测器。
3.根据权利要求2所述的振动感应型悬架***,其中,所述车轮加速度检测器安装在车辆的前车轮上。
4.根据权利要求1所述的振动感应型悬架***,进一步包括:
模式开关,其具有自动模式和手动模式。
5.一种控制振动感应型悬架***的方法,其包括:
设定车身或车轴的固有频率;
接收行驶车辆的加速度信号;
从所接收的加速度信号提取频率信号;
确定所提取的频率是否符合固有频率;
调节减振力可变型减振器的减振力,以抑制振幅由于车身或车轴的共振而产生。
6.根据权利要求5所述的控制振动感应型悬架***的方法,其中,设定固有频率包括:
以车辆激振测试装置根据频率激振车辆而进行激振测试;
分析从激振测试获得的测试结果并且提取车身和车轴的固有频率;
在储存装置中储存所提取的车身和车轴的频率。
7.根据权利要求5所述的控制振动感应型悬架***的方法,其中,减振力的调节使每个减振力可变型减振器的减振力变换为硬模式。
8.根据权利要求5所述的控制振动感应型悬架***的方法,其中,在调节减振力时,在预定的时间后完成减振力的控制。
9.根据权利要求5所述的控制振动感应型悬架***的方法,其中,在调节减振力时,在移动预定的距离后完成减振力的控制。
10.根据权利要求5所述的控制振动感应型悬架***的方法,其中,减振力可变型减振器的减振力的调节使电子控制悬架变换为手动模式。
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