KR102322297B1 - Method and apparatus for operating a brake system, brake system - Google Patents

Method and apparatus for operating a brake system, brake system Download PDF

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KR102322297B1
KR102322297B1 KR1020197001511A KR20197001511A KR102322297B1 KR 102322297 B1 KR102322297 B1 KR 102322297B1 KR 1020197001511 A KR1020197001511 A KR 1020197001511A KR 20197001511 A KR20197001511 A KR 20197001511A KR 102322297 B1 KR102322297 B1 KR 102322297B1
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South Korea
Prior art keywords
brake pedal
brake
pressure generator
limit value
actuation
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KR1020197001511A
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Korean (ko)
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KR20190020754A (en
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안드레아스 브레써
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로베르트 보쉬 게엠베하
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Priority claimed from PCT/EP2017/058823 external-priority patent/WO2017220229A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • B60T13/142—Systems with master cylinder
    • B60T13/145—Master cylinder integrated or hydraulically coupled with booster
    • B60T13/146—Part of the system directly actuated by booster pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/04—Brake-action initiating means for personal initiation foot actuated
    • B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/3255—Systems in which the braking action is dependent on brake pedal data
    • B60T8/3275—Systems with a braking assistant function, i.e. automatic full braking initiation in dependence of brake pedal velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/404—Control of the pump unit
    • B60T8/4059—Control of the pump unit involving the rate of delivery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
    • B60T8/4081—Systems with stroke simulating devices for driver input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/03—Brake assistants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/82—Brake-by-Wire, EHB
    • 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
    • B60Y2400/81—Braking systems

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Regulating Braking Force (AREA)
  • Braking Systems And Boosters (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

본 발명은, 유압식으로 작동 가능한 하나 이상의 휠 브레이크(2)와; 설정 제동 토크를 사전 정의하기 위한 작동 가능한 브레이크 페달(7)을 갖는 브레이크 페달 장치(3)와; 유압을 발생시키기 위해 설정 제동 토크에 따라 전기적으로 구동되는 압력 발생기(15);를 포함하는, 자동차의 유압 브레이크 시스템(1)을 작동하기 위한 방법에 관한 것으로, 이 방법에서는 압력 발생기(15)의 전기 작동 전류가 정상 작동 모드에서 사전 설정 가능한 제1 한계값으로 제한된다. 브레이크 페달 장치(3)가 브레이크 페달(7)의 작동 유형에 대하여 모니터링되고, 브레이크 페달(7)의 하이 다이내믹 작동의 검출 시 작동 전류의 제한이 해제되는 구성이 제안된다.The present invention comprises at least one hydraulically actuable wheel brake (2); a brake pedal arrangement (3) having an operable brake pedal (7) for pre-defining a set braking torque; It relates to a method for operating a hydraulic brake system (1) of a motor vehicle, comprising; a pressure generator (15) electrically driven according to a set braking torque to generate hydraulic pressure, in this method the pressure generator (15) The electrical operating current is limited to a first pre-settable limit value in the normal operating mode. A configuration is proposed in which the brake pedal device 3 is monitored for the type of operation of the brake pedal 7 , and the limitation of the operating current is released upon detection of a high dynamic operation of the brake pedal 7 .

Description

브레이크 시스템을 작동하기 위한 방법 및 장치, 브레이크 시스템Method and apparatus for operating a brake system, brake system

본 발명은, 유압식으로 작동 가능한 하나 이상의 휠 브레이크와; 설정 제동 토크를 사전 정의하기 위한 작동 가능한 브레이크 페달을 갖는 브레이크 페달 장치와; 유압을 발생시키기 위해 설정 제동 토크에 따라 전기적으로 구동되는 압력 발생기;를 포함하는, 자동차의 유압 브레이크 시스템을 작동하기 위한 방법에 관한 것이며, 이 방법에서는 압력 발생기의 전기 작동 전류가 정상 작동 모드에서 사전 설정 가능한 제1 한계값으로 제한된다.SUMMARY OF THE INVENTION The present invention comprises at least one hydraulically actuable wheel brake; a brake pedal arrangement having an operable brake pedal for pre-defining a set braking torque; It relates to a method for operating a hydraulic brake system of a motor vehicle, comprising: a pressure generator electrically driven according to a set braking torque to generate hydraulic pressure, wherein the electrical operating current of the pressure generator is preset in a normal operating mode It is limited to a first settable limit value.

또한, 본 발명은, 전술된 방법을 수행하기 위한 장치 및 이와 같은 장치를 구비한 브레이크 시스템과도 관련이 있다.The invention also relates to a device for carrying out the method described above and to a brake system with such a device.

서문에 언급한 유형의 방법, 장치 및 브레이크 시스템은 선행 기술에 이미 공지되어 있다. 종래의 브레이크 시스템에서는, 운전자에 의해 브레이크 페달에 가해지는 제동력을 증폭시키고 이 제동력을 브레이크 시스템의 유압 회로 내에 도입하기 위해, 브레이크 페달 장치에서 진공 제동력 증폭기가 이용되는 한편, 그러는 사이에 진공 제동력 증폭기를 생략하고 그 대신 전기적으로 구동 가능한 압력 발생기가 사용되는 브레이크 시스템도 공지되었다. 이와 같은 압력 발생기는 브레이크 페달과 기계식으로 결합될 필요 없이 유압을 발생한다. 오히려, 브레이크 페달의 작동은 하나 또는 복수의 센서에 의해서 검출되고, 모니터링되며, 압력 발생기는 브레이크 페달 작동에 따라 구동된다. 이 압력 발생기는, 예를 들어 브레이크 시스템 내의 압력을 전기 유압식으로 설정하기 위해 전동기가 할당되어 있는 펌프이다. 이 경우, 압력 발생기는, 자동차를 감속하기 위하여, 운전자에 의한 브레이크 페달 작동에 의해 요구되는 설정 제동 토크가 브레이크 시스템의 하나 또는 복수의 휠 브레이크에서 설정되도록 구동된다.Methods, devices and brake systems of the type mentioned in the introduction are already known from the prior art. In the conventional brake system, a vacuum braking force amplifier is used in the brake pedal device to amplify the braking force applied to the brake pedal by the driver and introduce this braking force into the hydraulic circuit of the brake system, while, meanwhile, the vacuum braking force amplifier is used. Brake systems are also known, which are omitted and in which an electrically actuable pressure generator is used instead. Such a pressure generator generates hydraulic pressure without the need to be mechanically coupled to the brake pedal. Rather, actuation of the brake pedal is detected and monitored by one or more sensors, and the pressure generator is actuated in response to brake pedal actuation. This pressure generator is, for example, a pump to which an electric motor is assigned for electrohydraulic setting of the pressure in the brake system. In this case, the pressure generator is driven so that the set braking torque required by the brake pedal operation by the driver to decelerate the vehicle is set at one or a plurality of wheel brakes of the brake system.

압력 발생기의 과열 또는 이 압력 발생기의 전동기의 과열을 방지하기 위하여, 전동기는, 회전수가 낮은 경우에는 토크 및 이로써 작동 전류가 제1 한계값으로 제한되도록 구성된다.In order to prevent overheating of the pressure generator or overheating of the electric motor of the pressure generator, the electric motor is configured such that, at low revolutions, the torque and thus the operating current are limited to a first limit value.

청구항 1의 특징들을 갖는 본 발명에 따른 방법은, 브레이크 페달 장치가 브레이크 페달의 작동 유형에 대하여 모니터링된다는 장점, 및 하이 다이내믹 작동의 검출 시 작동 전류의 제한이 해제된다는 장점을 갖는다. 본 발명에 따른 방법은, 하이 다이내믹 제동 과정에서는 단시간 안에 원하는 제동 토크가 운전자에게 제공될 수 있다는 장점을 가지며, 그럼에도 이 경우에는 압력 발생기의 과열, 특히 압력 발생기의 전동기의 과열이 영구적으로 방지되도록 보장된다. 하이 다이내믹 제동 과정을 위한 제한이 해제됨으로써, 이용자는 하이 다이내믹 제동 과정 중에 단시간 안에 제동 토크를 조회할 수 있다. 하이 다이내믹 제동 과정이 오래 지속되지 않고, 오히려 특히 시간상 짧은 점을 특징으로 하기 때문에, 단시간 동안 상승한 전동기 부하로 인한 전동기의 과열은 거의 배제된다.The method according to the invention with the features of claim 1 has the advantage that the brake pedal arrangement is monitored for the type of actuation of the brake pedal, and the limitation of the actuation current is released upon detection of a high dynamic actuation. The method according to the invention has the advantage that the desired braking torque can be provided to the driver in a short period of time during high dynamic braking, nevertheless ensuring that overheating of the pressure generator, in particular of the motor of the pressure generator, is permanently prevented in this case do. By lifting the limit for the high dynamic braking process, the user can query the braking torque in a short time during the high dynamic braking process. Since the high dynamic braking process does not last long, but rather is characterized by a particularly short point in time, overheating of the motor due to an elevated motor load for a short time is almost excluded.

본 발명의 바람직한 일 개선예에 따라, 검출된 브레이크 페달 작동 속도가 사전 설정 가능한 제2 한계값을 초과하는 경우에는, 하이 다이내믹 작동으로 인식되는 점이 제안된다. 이를 위해, 바람직한 방식으로 브레이크 페달의 작동 속도가 모니터링되고, 제2 한계값과 비교된다. 검출된 속도가 제2 한계값을 초과하면, 전술된 작동 전류의 제한이 해제된다. 브레이크 페달 작동 속도는 특히 브레이크 페달에 할당된 경로 센서에 의해서 결정된다. 시간에 걸친 경로 신호의 간단한 미분을 통해, 브레이크 페달의 운동 속도가 계산될 수 있으며, 그 결과 방법을 위해 단시간 안에, 검출된 제동 과정 또는 검출된 브레이크 페달 작동이 하이 다이내믹 작동인지 아니면 정상 작동인지의 여부가 결정될 수 있다.According to a preferred refinement of the present invention, it is proposed that when the detected brake pedal actuation speed exceeds a second pre-settable limit value, it is recognized as a high dynamic actuation. To this end, the operating speed of the brake pedal is monitored in a preferred manner and compared with a second limit value. When the detected speed exceeds the second limit value, the above-mentioned limiting of the operating current is released. The brake pedal actuation speed is determined in particular by a path sensor assigned to the brake pedal. Through simple differentiation of the path signal over time, the speed of movement of the brake pedal can be calculated, resulting in a short time for a method of determining whether the detected braking process or the detected brake pedal actuation is a high dynamic actuation or a normal actuation. may be decided.

더 나아가, 바람직하게는, 검출된 브레이크 페달 트래블이 사전 설정 가능한 제3 한계값을 초과하는 경우에는, 하이 다이내믹 작동이 인식되는 점이 제안된다. 특히, 이 경우에는, 브레이크 페달 작동 속도의 고려와 무관하게 브레이크 페달 트래블이 제3 한계값과 비교된다. 제3 한계값은 특히, 높은 속도로 수행되기는 하나 작은 제동 토크만을 요구하는 브레이크 페달 작동이 하이 다이내믹 브레이크 페달 작동으로서 검출되지 않는 상황이 방지되도록 선택된다.Furthermore, it is advantageously proposed that a high dynamics actuation is recognized if the detected brake pedal travel exceeds a third pre-settable limit value. In particular, in this case, the brake pedal travel is compared with the third limit value irrespective of the consideration of the brake pedal actuation speed. The third limit value is selected in particular to avoid a situation in which a brake pedal actuation performed at a high speed but requiring only a small braking torque is not detected as a high dynamic brake pedal actuation.

더 나아가, 바람직하게는, 제1 한계값이 압력 발생기의 작동 온도에 따라 사전 설정되는 점이 제안된다. 이로 인해, 압력 발생기의 현재 작동 온도에 좌우되는 압력 발생기의 동적 구동이 수행되는 장점이 획득된다. 특히, 현재의 작동 온도는, 이 온도가 계속해서 상승해도 되는지의 여부를 결정하기 위하여, 최대 허용 작동 온도와 비교된다. 이에 상응하게, 제1 한계값이 변함으로써, 한계 온도의 초과가 확실하게 방지된다. 이 경우, 하이 다이내믹 제동 과정이 작동 온도를 단시간 동안만, 그리고 이로써 무시해도 될 정도로만 상승시킨다고 가정된다.Furthermore, it is advantageously proposed that the first limit value is preset according to the operating temperature of the pressure generator. Thereby, the advantage is obtained that a dynamic actuation of the pressure generator, which depends on the current operating temperature of the pressure generator, is carried out. In particular, the current operating temperature is compared to the maximum allowable operating temperature to determine whether this temperature may continue to rise. Correspondingly, by changing the first limit value, exceeding the limit temperature is reliably prevented. In this case, it is assumed that the high dynamic braking process raises the operating temperature only for a short time and thereby only negligibly.

바람직한 일 개선예에 따라, 또한 제1 한계값에 의한 작동 전류의 제한은 회전수가 제4 한계값을 하회하는 경우에만 수행되는 점이 제안된다. 이로 인해, 특히 회전수가 낮은 경우에는 압력 발생기를 구동시키기 위한 토크가 높음으로써, 바로 이곳에서는 압력 발생기의 가열, 특히 압력 발생기의 전동기의 가열을 유도하는 높은 작동 전류가 발생하게 된다는 사실이 고려된다. 하지만, 압력 발생기가 마찬가지로 높은 작동 전류를 요구하는 높은 회전수를 갖는 회전수 범위 내에서 작동하면, 높은 회전수로 인해 적은 토크가 요구되며, 그 결과 가열은 더 적게 발생하게 되고, 이 점에서 제1 한계값으로의 제한이 생략될 수 있다.According to one preferred refinement, it is also proposed that the limiting of the operating current by the first limit value is carried out only if the number of revolutions is below the fourth limit value. Due to this, it is taken into account that the torque for driving the pressure generator is high, especially at low rotational speeds, which results in a high operating current that leads to heating the pressure generator, in particular the motor of the pressure generator, right here. However, if the pressure generator is operated within a rotation speed range with a high rotation speed which likewise requires a high operating current, less torque is required due to the high rotation speed, and consequently less heating occurs, and in this respect Limitation to 1 limit value can be omitted.

특히, 제1 한계값이, 장시간 제동 시 압력 발생기의 허용 작동 온도에 따라 사전 설정되는 점이 제안된다. 이 경우, 제1 한계값은 특히 고정되어 있고 동적으로 사전 설정되지 않으며, 압력 발생기의 작동 온도가 임계값을 초과하는 일 없이 장시간 시 최대로 발생해도 되는 작동 전류에 상응한다.In particular, it is proposed that the first limit value is preset according to the permissible operating temperature of the pressure generator during prolonged braking. In this case, the first limit value is in particular fixed and not dynamically preset, and corresponds to the operating current that can occur at a maximum over a long period of time without the operating temperature of the pressure generator exceeding the threshold value.

본 발명의 바람직한 일 개선예에 따라, 검출된 브레이크 페달 작동의 유형에 따라 브레이크 페달 장치가 상태 메시지를 발생시켜, 압력 발생기를 구동하는 제어 장치로 송신하는 점이 제안된다. 이로써, 브레이크 페달 장치가 자체적으로, 하이 다이내믹 브레이크 페달 작동이 수행되었는지의 여부에 대한 정보를 제어 장치로 송신하며, 그러면 제어 장치는 상기 정보에 따라 압력 발생기를 구동하고, 제1 한계값에 의한 제한을 해제하거나 설정한다.According to one preferred development of the present invention, it is proposed that the brake pedal device generates a status message according to the detected type of brake pedal actuation and transmits it to a control device driving the pressure generator. Thereby, the brake pedal device itself transmits, to the control device, information as to whether or not a high dynamic brake pedal operation has been performed, which then drives the pressure generator according to said information, limiting by the first limit value turn off or set

청구항 8의 특징들을 갖는 본 발명에 따른 장치는, 규정에 따른 사용 시, 본 발명에 따른 방법을 수행하도록 특별히 구성된 제어 장치를 구비한 것을 특징으로 한다. 이 경우, 앞에서 이미 언급한 장점들이 도출된다.The device according to the invention having the features of claim 8 is characterized in that it has a control device specially configured to carry out the method according to the invention, when used according to the regulations. In this case, the advantages already mentioned above are derived.

청구항 9의 특징들을 갖는 본 발명에 따른 브레이크 시스템은, 본 발명에 따른 장치를 구비한 것을 특징으로 한다. 이로써, 앞에서 이미 언급한 장점들이 도출된다.A brake system according to the invention having the features of claim 9 is characterized in that it is provided with the device according to the invention. This leads to the advantages already mentioned above.

또 다른 장점들 및 바람직한 특징들 그리고 특징 조합들은 특히 전술한 내용과 청구범위에 명시되어 있다.Further advantages and preferred features and combinations of features are particularly pointed out in the foregoing description and in the claims.

이하에서는, 본 발명이 도면을 참조하여 더욱 상세하게 설명될 것이다.Hereinafter, the present invention will be described in more detail with reference to the drawings.

도 1은 자동차의 유압 브레이크 시스템의 개략도이다.
도 2는 브레이크 시스템을 작동하기 위한 바람직한 방법을 설명하기 위한 흐름도이다.1 is a schematic diagram of a hydraulic brake system of an automobile;
2 is a flowchart for explaining a preferred method for operating the brake system.

도 1은, 본 도면에 상세하게 도시되지 않은 자동차를 위한 브레이크 시스템(1)을 개략도로 보여준다. 브레이크 시스템(1)은 복수의 휠 브레이크(2)를 구비하며, 이들 휠 브레이크는 자동차 운전자에 의해서 브레이크 페달 장치(3)에 의해 작동 브레이크로서 작동될 수 있다. 여기서, 휠 브레이크(2)는 LR, RF, LF 및 RR로 지시되어 있으며, 이를 통해 휠 브레이크의 위치 또는 자동차에서의 할당이 설명되고, 이 경우 LR은 좌측 후방을 지시하고, RF는 우측 전방을 지시하며, LF는 좌측 전방을 지시하고, RR은 우측 후방을 지시한다. 브레이크 페달 장치(3)와 휠 브레이크(2) 사이에는 2개의 제동 회로(4 및 5)가 형성되며, 이 경우 제동 회로(4)는 휠 브레이크(LF 및 RR)에 할당되고, 제동 회로(5)는 휠 브레이크(LR 및 RF)에 할당된다. 2개의 제동 회로(4 및 5)가 동일하게 구성됨에 따라, 2개 제동 회로(4, 5)의 구조는 제동 회로(4)를 참조하여 이하에서 더욱 상세하게 설명될 것이다.1 schematically shows a brake system 1 for a motor vehicle, which is not shown in detail in this figure. The brake system 1 has a plurality of wheel brakes 2 which can be actuated as operating brakes by a brake pedal device 3 by a motor vehicle driver. Here, the wheel brake 2 is indicated by LR, RF, LF and RR, through which the position of the wheel brake or its assignment in a vehicle is described, in this case LR indicates the left rear and RF indicates the right front , LF indicates left anterior, and RR indicates right posterior. Two braking circuits 4 and 5 are formed between the brake pedal device 3 and the wheel brake 2 , in which case the braking circuit 4 is assigned to the wheel brakes LF and RR, and the braking circuit 5 ) is assigned to the wheel brakes LR and RF. As the two braking circuits 4 and 5 are configured identically, the structure of the two braking circuits 4 and 5 will be described in more detail below with reference to the braking circuit 4 .

제동 회로(4)는, 먼저 브레이크 페달 장치(3)의 브레이크 마스터 실린더(6)와 연결되고, 이 경우 브레이크 마스터 실린더(6)는 주로 2중 피스톤 실린더 또는 탠덤 실린더(tandem cylinder)로서 형성되며, 브레이크 페달 장치(3)는 또한 운전자에 의해 작동 가능한 브레이크 페달(7)을 구비한다. 제동 회로(4)는, 브레이크 마스터 실린더(6)에 후속하는 전환 밸브(8)를 구비한다. 전환 밸브(8)는 상시 개방형으로 형성되고, 제동 회로의 유압 매체의 흐름, 다시 말해 제동 유체의 흐름을 양방향으로 허용한다. 전환 밸브(8)는 또한, 상시 양방향 개방형으로 형성된 각각 하나의 흡입 밸브(10)의 개재 하에 2개의 휠 브레이크(2)와 연결된다. 제동 회로(4)의 휠 브레이크(2)에는 또한, 상시 폐쇄형으로 형성된 배출 밸브(11)가 각각 하나씩 할당된다. 배출 밸브(11)는 배출측에서 유압 탱크(9)와 연결되며, 유압 탱크는 브레이크 마스터 실린더(6)에 유압 매체를 공급한다. 배출측에서 배출 밸브(11)는 또한 펌프(13)의 흡입측과도 연결되며, 펌프의 흡입측은 토출측에서 전환 밸브(8)와 흡입 밸브(10) 사이에서 제동 회로(4)와 연결된다. 펌프(13)는 주로 피스톤 펌프로서 형성되고, 전동기(14)와 기계식으로 결합되며, 이 경우 펌프(13)와 전동기(14)는 함께 브레이크 시스템(1)의 압력 발생기(15)를 형성한다. 전동기(14)가 2개 제동 회로(4 및 5)의 펌프(13)에 할당되는 구성이 제안된다. 대안적으로, 각각의 제동 회로(4, 5)가 고유의 전동기(14)를 구비하는 구성도 제안될 수 있다. 브레이크 마스터 실린더(6)에는 또한 유압식 페달감 시뮬레이터(12)가 할당된다.The braking circuit 4 is first connected with the brake master cylinder 6 of the brake pedal device 3 , in which case the brake master cylinder 6 is mainly formed as a double piston cylinder or a tandem cylinder, The brake pedal device 3 also has a brake pedal 7 actuated by the driver. The braking circuit 4 has a switching valve 8 following the brake master cylinder 6 . The switching valve 8 is configured as normally open and allows the flow of the hydraulic medium in the braking circuit, ie the flow of the braking fluid, in both directions. The switching valve 8 is also connected with the two wheel brakes 2 under the interposition of each one intake valve 10 formed in a normally bidirectional open type. The wheel brakes 2 of the braking circuit 4 are also assigned one normally closed discharge valve 11 , respectively. The discharge valve 11 is connected with the hydraulic tank 9 on the discharge side, which supplies hydraulic medium to the brake master cylinder 6 . On the discharge side, the discharge valve 11 is also connected with the suction side of the pump 13 , the suction side of the pump is connected with the braking circuit 4 between the selector valve 8 and the suction valve 10 at the discharge side. The pump 13 is mainly designed as a piston pump and is mechanically coupled to an electric motor 14 , in which case the pump 13 and the electric motor 14 together form the pressure generator 15 of the brake system 1 . A configuration in which an electric motor 14 is assigned to the pump 13 of the two braking circuits 4 and 5 is proposed. Alternatively, a configuration in which each braking circuit 4 , 5 has its own electric motor 14 may also be proposed. The brake master cylinder 6 is also assigned a hydraulic pedal feel simulator 12 .

제동 회로(4, 5)의 2개의 전환 밸브(8)가 폐쇄되면, 그 뒤에 놓여 있는 제동 회로(4, 5)의 섹션 내 유압, 다시 말해 전환 밸브와 휠 브레이크(2) 사이의 유압은 차단된 상태로 유지되거나, 브레이크 페달(7)이 운전자에 의해서 하중 경감되는 경우에도 그대로 유지된다. 제동력 증폭을 위해 압력 발생기(15)가 구동됨으로써, 브레이크 페달(7)의 작동에 추가로 유압이 압력 발생기(15)에 의해 브레이크 시스템(1) 내에서 자동화되어 상승하며, 그 결과 운전자는 적은 힘을 들여 높은 제동 토크를 발생시킬 수 있게 된다.When the two selector valves 8 of the brake circuit 4 , 5 are closed, the hydraulic pressure in the section of the braking circuit 4 , 5 lying behind it, ie the hydraulic pressure between the selector valve and the wheel brake 2 , is cut off is maintained, or even when the brake pedal 7 is relieved of the load by the driver. By actuating the pressure generator 15 to amplify the braking force, in addition to the operation of the brake pedal 7 , the hydraulic pressure is automatically raised in the brake system 1 by the pressure generator 15 , as a result of which the driver uses less force. It is possible to generate high braking torque.

도 2는, 브레이크 시스템을 작동하기 위한 바람직한 방법을 설명하기 위한 간략한 흐름도를 보여준다. 제동 장치(3)의 브레이크 페달(7)의 작동에 의해, 제1 단계(S1)에서 방법이 시작된다. 후속하는 조회 단계(S2)에서는, 브레이크 페달 작동이 하이 다이내믹 브레이크 페달 작동인지의 여부가 검사된다. 이를 위해, 브레이크 페달(7)의 작동 속도 및 작동 경로가 검출되고, 각각 하나의 한계값과 비교된다. 검출된 브레이크 페달 트래블이 관련 한계값을 초과하고, 작동 속도가 상응하는 한계값보다 높으면, 하이 다이내믹 제동 동작이 수행되는 것으로 인식된다(예). 하지만, 작동 속도가 한계값보다 낮고/낮거나, 브레이크 페달이 관련 한계값에 의해 허용된 페달 트래블를 초과해서 가동되지 않는다면, 하이 다이내믹 브레이크 페달 작동이 존재하지 않는 것으로 인식되며(아니오), 단계(S3)로 진행된다. 이 단계에서는, 압력 발생기(15)를 위한 작동 전류가, 허용되는 제1 한계값으로 제한된다.Figure 2 shows a simplified flow chart for explaining a preferred method for operating the brake system. By actuation of the brake pedal 7 of the braking device 3 , the method is started in a first step S1 . In the subsequent inquiry step S2, it is checked whether the brake pedal operation is a high dynamic brake pedal operation. For this purpose, the actuation speed and the actuation path of the brake pedal 7 are detected and compared with one limit value, respectively. If the detected brake pedal travel exceeds the relevant limit value and the actuation speed is higher than the corresponding limit value, it is recognized that a high dynamic braking action is performed (Yes). However, if the actuation speed is lower than the limit value and/or the brake pedal is not actuated in excess of the pedal travel permitted by the relevant limit value, then high dynamic brake pedal actuation is recognized as not present (No), and step S3 ) proceeds. At this stage, the operating current for the pressure generator 15 is limited to a first permissible limit value.

압력 발생기(15)의 과열 또는 압력 발생기(15)의 전동기의 과열이 방지되도록 하기 위하여, 정상 작동 모드에서 압력 발생기의 작동 전류가 제1 한계값에 의해 제한되는 점이 제안된다. 이는 도 2에 도시된 방법을 참조해서 더욱 상세하게 설명될 것이다.In order to prevent overheating of the pressure generator 15 or overheating of the electric motor of the pressure generator 15, it is proposed that the operating current of the pressure generator in the normal operating mode is limited by a first limit value. This will be explained in more detail with reference to the method shown in FIG. 2 .

상기와 같이 제한된 작동 전류에 의해, 이어서 단계 "S4"에서 유압을 발생시키기 위해 압력 발생기(15)가 구동된다. 하지만, 단계 "S2"에서, 브레이크 페달 작동이 하이 다이내믹 브레이크 페달 작동이라고 인식되면(예), 단계 "S2"로부터 단계 "S4"로 진행이 이루어짐으로써, 작동 전류의 제한은 수행되지 않거나 해제된다. 이로 인해, 하이 다이내믹 제동 과정에서 압력 발생기(15)에 증가된 작동 전류가 공급될 수 있음으로써, 압력 발생기는 낮은 회전수에서도 높은 토크를 사용할 수 있게 되며, 그 결과 브레이크 시스템(1) 내에서 최단 시간 내에 유압이 형성된다. 제한이 하이 다이내믹 제동 과정을 위해서만 해제됨으로써, 정상 작동 모드에서는 작동 온도가 초과되지 않는 점이 보장된다. 하이 다이내믹 제동 과정에서는, 열부하가 작동 전류의 레벨 및 기간에 좌우된다. 하이 다이내믹 제동 시에는 작동 전류가 단시간 동안만 높게 나타나기 때문에, 특히 회전수가 여전히 낮은 동안에는 이와 같은 짧은 시간 동안 작동 온도에 미치는 악영향이 무시될 수 있다. 이에 상응하게, 제1 한계값을 초과하는 작동 전류의 증가는 전술한 방법에 의해 바람직한 방식으로 허용된다. 이로 인해, 하이 다이내믹 제동 과정에서는 정상적인 제동 과정에서와 마찬가지로 전동기(14)의 토크가 증가하게 되며, 이 경우 정확한 레벨 또는 토크 증가는 전동기의 치수 설계 및 구현된 전류 제한에 좌우된다.With this limited operating current, the pressure generator 15 is then driven to generate hydraulic pressure in step "S4". However, if, in step "S2", it is recognized that the brake pedal operation is a high dynamic brake pedal operation (Yes), the progress is made from step "S2" to step "S4", whereby the limitation of the operating current is not performed or released. Due to this, an increased operating current can be supplied to the pressure generator 15 in the course of high dynamic braking, so that the pressure generator can use a high torque even at a low rotational speed, and as a result, the shortest time in the brake system 1 . Hydraulic pressure builds up in time. The limit is lifted only for the high dynamic braking process, ensuring that the operating temperature is not exceeded in normal operating mode. In the high dynamic braking process, the thermal load depends on the level and duration of the operating current. Since the operating current is only high for a short time during high dynamic braking, the adverse effect on the operating temperature for such a short time can be negligible, especially while the revs are still low. Correspondingly, an increase in the operating current above the first limit value is allowed in an advantageous manner by the method described above. Due to this, in the high dynamic braking process, the torque of the electric motor 14 increases as in the normal braking process. In this case, the exact level or torque increase depends on the dimensional design of the electric motor and the implemented current limit.

이와 관련하여 도 3은, 예를 들어 압력 발생기(15)의 전동기(14)의 토크 특성 곡선을, 정상 작동 모드(K1)와 하이 다이내믹 제동 과정(K2)에서 회전수(n)에 대한 압력 토크(Md)로서 그래프로 보여준다. 여기서, 하이 다이내믹 제동 과정에서는 회전수가 낮을 때보다 더 높은 토크가 허용되는 한편, 2000회전을 상회하는 더 높은 회전수에서는 특성 곡선들(K1 및 K2)이 서로 겹쳐짐을 알 수 있다.3 shows, for example, the torque characteristic curve of the electric motor 14 of the pressure generator 15, the pressure torque versus the number of revolutions n in the normal operating mode K1 and in the high dynamic braking process K2. (M d ) is shown graphically. Here, it can be seen that, in the high dynamic braking process, a higher torque is allowed than when the rotation speed is low, while at a higher rotation speed exceeding 2000 rotations, the characteristic curves K1 and K2 overlap each other.

Claims (9)

자동차의 유압 브레이크 시스템(1)을 작동하기 위한 방법으로서, 상기 유압 브레이크 시스템은 유압식으로 작동 가능한 하나 이상의 휠 브레이크(2)와; 설정 제동 토크를 사전 정의하기 위한 작동 가능한 브레이크 페달(7)을 갖는 브레이크 페달 장치(3)와; 유압을 발생시키기 위해 설정 제동 토크에 따라 전기적으로 구동되는 압력 발생기(15);를 포함하며, 압력 발생기(15)의 작동 전류가 정상 작동 모드에서는 사전 설정 가능한 제1 한계값으로 제한되는, 자동차 유압 브레이크 시스템의 작동 방법에 있어서,
브레이크 페달 장치(3)가 브레이크 페달(7)의 작동 유형에 대하여 모니터링되며, 브레이크 페달(7)의 하이 다이내믹 작동의 검출 시 작동 전류의 제한이 해제되고, 상기 제한은 하이 다이내믹 작동을 위해서만 해제되며, 제1 한계값이 압력 발생기의 작동 온도에 따라 사전 설정되는 것을 특징으로 하는, 자동차의 유압 브레이크 시스템 작동 방법.A method for operating a hydraulic brake system (1) of a motor vehicle, the hydraulic brake system comprising: at least one hydraulically actuable wheel brake (2); a brake pedal arrangement (3) having an actuable brake pedal (7) for pre-defining a set braking torque; a pressure generator (15) electrically driven according to a set braking torque for generating hydraulic pressure, wherein the operating current of the pressure generator (15) is limited in the normal operating mode to a first pre-settable limit value A method of operating a brake system, comprising:
The brake pedal device 3 is monitored for the type of operation of the brake pedal 7 , the limit of the operating current is released upon detection of a high dynamic actuation of the brake pedal 7 , said limiting being released only for the high dynamic actuation; , characterized in that the first limit value is preset according to the operating temperature of the pressure generator. 제1항에 있어서, 검출된 브레이크 페달 작동 속도가 사전 설정 가능한 제2 한계값을 초과하는 경우, 하이 다이내믹 작동으로 인식되는 것을 특징으로 하는, 자동차의 유압 브레이크 시스템 작동 방법.The method according to claim 1, characterized in that when the detected brake pedal actuation speed exceeds a second pre-settable limit value, high dynamic actuation is recognized. 제1항 또는 제2항에 있어서, 검출된 브레이크 페달 트래블이 사전 설정 가능한 제3 한계값을 초과하는 경우, 하이 다이내믹 작동으로 인식되는 것을 특징으로 하는, 자동차의 유압 브레이크 시스템 작동 방법.Method according to claim 1 or 2, characterized in that when the detected brake pedal travel exceeds a third presettable limit value, it is recognized as a high dynamic actuation. 삭제delete 제1항 또는 제2항에 있어서, 제1 한계값에 의한 제한은, 회전수가 제4 한계값을 하회하는 경우에만 수행되는 것을 특징으로 하는, 자동차의 유압 브레이크 시스템 작동 방법.3. A method according to claim 1 or 2, characterized in that the limiting by the first limit value is performed only when the number of revolutions is lower than the fourth limit value. 제1항 또는 제2항에 있어서, 제1 한계값이 장시간 제동 시 압력 발생기(15)의 허용 작동 온도에 따라 사전 설정되는 것을 특징으로 하는, 자동차의 유압 브레이크 시스템 작동 방법.Method according to claim 1 or 2, characterized in that the first limit value is preset according to the permissible operating temperature of the pressure generator (15) during prolonged braking. 제1항 또는 제2항에 있어서, 검출된 브레이크 페달 작동의 유형에 따라 브레이크 페달 장치(3)가 상태 메시지를 발생시켜, 압력 발생기(15)를 구동하는 제어 장치로 송신하는 것을 특징으로 하는, 자동차의 유압 브레이크 시스템 작동 방법.3. A method according to claim 1 or 2, characterized in that depending on the type of brake pedal actuation detected, the brake pedal device (3) generates a status message and transmits it to a control device which drives the pressure generator (15). How a car's hydraulic brake system works. 브레이크 시스템(1)이 하나 이상의 휠 브레이크(2); 설정 제동 토크를 사전 정의하기 위한 작동 가능한 브레이크 페달(7)을 갖는 브레이크 페달 장치(3); 및 휠 브레이크(2)의 유압 작동을 위한 하나 이상의 압력 발생기(15);를 포함하며, 압력 발생기(15)가 브레이크 페달(7)의 작동에 따라 구동되는, 자동차의 브레이크 시스템(1)을 작동하기 위한 장치에 있어서,
제1항 또는 제2항에 따른 방법을 수행하도록 구성된 제어 장치를 구비한 것을 특징으로 하는, 자동차의 브레이크 시스템 작동 장치.The brake system 1 comprises one or more wheel brakes 2; a brake pedal arrangement (3) with an actuable brake pedal (7) for pre-defining a set braking torque; and one or more pressure generators (15) for hydraulic actuation of the wheel brakes (2), the pressure generators (15) actuating the brake system (1) of the motor vehicle, which is driven according to the operation of the brake pedals (7) In the device for
A device for operating a brake system for a motor vehicle, characterized in that it has a control device configured to carry out the method according to claim 1 or 2 . 하나 이상의 휠 브레이크(2)와; 브레이크 페달 장치(3)와; 휠 브레이크(2)의 유압 작동을 위한 하나 이상의 압력 발생기(15)로서, 브레이크 페달(7)의 작동에 따라 구동되는 압력 발생기(15);를 포함하는 자동차용 브레이크 시스템(1)에 있어서,
제8항에 따른 장치를 구비한 것을 특징으로 하는, 자동차용 브레이크 시스템(1).one or more wheel brakes (2); a brake pedal device 3; At least one pressure generator (15) for hydraulic actuation of a wheel brake (2), the pressure generator (15) driven in response to the operation of a brake pedal (7);
A brake system (1) for a motor vehicle, characterized in that it is provided with the device according to claim 8 .
KR1020197001511A 2016-06-20 2017-04-12 Method and apparatus for operating a brake system, brake system KR102322297B1 (en)

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