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公开(公告)号：EP0757638B1
公开(公告)日：1998-01-21
申请号：EP95917336.0
申请日：1995-04-19
IPC分类号： B60T8/00
CPC分类号： B60T8/268 , B60T8/1764 , B60T8/1766 , B60T8/885 , B60T8/94 , B60T8/96 , B60T2270/402 , B60T2270/416
摘要： A circuit arrangement for a braking system with electronic braking-force distribution and ABS/ASR contains circuits (19, 20) for monitoring the braking system and for switching the regulation system over or off as a function of defects and/or the respective regulating or travel situation. If a sensor (S1 to S4) or one sensor per axle fails or if a defective sensor signal is emitted, the vehicle reference speed (vREF) is established on the basis of the intact sensors, and an electronic braking-force distribution function continues to be permitted whereas an ABS or ASR function is prevented. If the defective sensor is a rear wheel sensor (S2, S4), both rear wheels (HL, HR) are regulated synchronously. If there is a defect in or a malfunctioning of a hydraulic pump system (7) or if the supply voltage (UB) drops, an electronic braking-force distribution function is permitted up to a given limit, whereas an ABS/ASR function is prevented.
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公开(公告)号：EP0675812A1
公开(公告)日：1995-10-11
申请号：EP94930949.0
申请日：1994-10-13
发明人： LATARNIK, Michael , EHMER, Norbert
CPC分类号： B60C23/061
摘要： A process for monitoring tyre pressure by comparing and evaluating the rotation speeds of the individual vehicle wheels is based on the formation of speed correction factors ( K (t,FS)). In a learning phase (Phase 1), the values of the individual correction factors, correlations between the correction factors for typical driving situations (FS) and tolerances depending on the actual driving situation ( G 1(t,FS)) are found for the correction factors. In a subsequent indentification phase the deviations ( G 2(t)) of the correction factors from the learnt values are established and assessed taking account of the tolerances depending on the actual driving situation ( G 1(t,FS)) and the progress of the learning process. Tyre pressure losses are signalled if the current speed correction factor (Kx(t,FS)) found during the identification phase (Phase 2), taking account of the current deviation (G2x(FS)), falls below the already learnt speed correction factor (KSp,x(FS)), taking account of the tolerance already found for the current driving situation (G1Sp,x(FS)).
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3.发明公开SCHALTUNGSANORDNUNG FÜR EINE BREMSANLAGE MIT ELEKTRONISCHER REGELUNG DER BREMSKRAFTVERTEILUNG 失效电路装置，具有制动分布的电子控制制动系统
公开(公告)号：EP0759863A1
公开(公告)日：1997-03-05
申请号：EP95917358.0
申请日：1995-04-22
IPC分类号： B60T8
CPC分类号： B60T8/268 , B60T8/1764
摘要： A circuit arrangement for a braking system with electronic regulation of the braking power distribution comprises circuits determining the deceleration (b3, b4) of the rear wheels (HR, HL) and the deceleration (dFZ) of a vehicle or a corresponding reference value (bREF). The difference between the filtered rear wheel deceleration (b'3, b'4) and the vehicle deceleration (bFZ, bREF) are evaluated to regulate the braking force distribution. To this end, a differentiator and an integrator (20, 21) are used to compare the rear wheel and vehicle deceleration, an output signal (x(t) or x1, x2) is obtained and evaluated to control the braking pressure (pHA) in the rear-wheel brakes.
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公开(公告)号：EP0757638A1
公开(公告)日：1997-02-12
申请号：EP95917336.0
申请日：1995-04-19
IPC分类号： B60T8
CPC分类号： B60T8/268 , B60T8/1764 , B60T8/1766 , B60T8/885 , B60T8/94 , B60T8/96 , B60T2270/402 , B60T2270/416
摘要： A circuit arrangement for a braking system with electronic braking-force distribution and ABS/ASR contains circuits (19, 20) for monitoring the braking system and for switching the regulation system over or off as a function of defects and/or the respective regulating or travel situation. If a sensor (S1 to S4) or one sensor per axle fails or if a defective sensor signal is emitted, the vehicle reference speed (vREF) is established on the basis of the intact sensors, and an electronic braking-force distribution function continues to be permitted whereas an ABS or ASR function is prevented. If the defective sensor is a rear wheel sensor (S2, S4), both rear wheels (HL, HR) are regulated synchronously. If there is a defect in or a malfunctioning of a hydraulic pump system (7) or if the supply voltage (UB) drops, an electronic braking-force distribution function is permitted up to a given limit, whereas an ABS/ASR function is prevented.
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公开(公告)号：EP0866757A1
公开(公告)日：1998-09-30
申请号：EP96934740.0
申请日：1996-10-18
发明人： BURKHARD, Dieter , EHMER, Norbert , PRÖGER, Thomas , VOLZ, Alexander , KUNZ, Gerald , FENNEL, Helmut
CPC分类号： B60T8/1764 , B60T8/1766 , B60T17/18
摘要： In a process for monitoring a braking system equipped with antilock system control (ABS) and electronic braking power distribution (EBV) and with two braking circuits, one for each axle, the EBV function or regulation is fundamentally not triggered before the vehicle deceleration exceeds a predetermined threshold value (GWN). Acceleration criteria, namely criteria which depend on the acceleration behaviour of the vehicle wheels, are predetermined and controlled to recognise the failure of a front axle braking circuit. Moreover, a slip range is monitored together with an acceleration range. When an acceleration criterion is 'recognised', when a predetermined threshold value (GW2) used as acceleration criterion is exceeded and/or when values which lie outside the slip range (GW1) of acceleration range (GW5) are 'recognised', a 'suspected' failure of the front axle braking circuit is signalled and the electronic regulation of the braking power distribution (EBV) is blocked.
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公开(公告)号：EP0456653B1
公开(公告)日：1994-03-02
申请号：EP90901788.1
申请日：1990-01-10
发明人： FENNEL, Helmut , WUPPER, Hans , BUSCHMANN, Gunther , BATISTIC, Ivica , EHMER, Norbert , SCHMIDT, Robert
IPC分类号： B60T8/00
CPC分类号： B60T8/17616 , Y10S303/04
摘要： A circuit arrangement for a brake system with anti-lock control generates pulse-shaped brake pressure control signals. In order to increase the pressure again after a pressure drop, the brake pressure is first controlled with a steep gradient and then with a flatter gradient. This is achieved by means of a variable pulse (P1) and by means of short constant pulses (P2) in rapid succession. Switch circuits determine the pulse and pulse pause times (T1, T2, Tk) which determine the pressure increase - from the duration of the presure build-up (T1) during the build-up with steep increase in the preceding cycle - from the duration (T1 + nT2) of the total pressure build-up in the preceding cycle - from the duration (T0) of the preceding pressure build-up. The pulse times are chosen so that at constant coefficient of friction and uniform preliminary pressure the locking limit of the wheel is attained again after a predetermined time interval or after a predetermined number of pulses. The duration of the variable and constant pressure build-up pulses is computed from the pressure build-up of the preceding pressure or read from a stored table.
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公开(公告)号：EP0792224A1
公开(公告)日：1997-09-03
申请号：EP95934097.0
申请日：1995-09-22
IPC分类号： B60T8
CPC分类号： B60T8/1764 , B60T8/1755 , B60T2210/124
摘要： The invention concerns a circuit arrangement which is provided for a vehicle having an electronic antilock control system and which, in order to increase directional stability in critical driving situations, comprises switching circuits for individually controlling the braking pressure on the front wheels and for restricting the yawing moment (GMB) following braking manoeuvres on carriageways whose righthand and lefthand surface sections differ longitudinally in terms of their roadholding coefficients (ν). In given particularly critical situations, in particular during driving manoeuvres on a carriageway whose roadholding coefficient (ν) differs since the surface is at different levels and during braking manoeuvres on a carriageway whose roadholding coefficient (ν) differs because the surface differs in patches, when predetermined criteria for a critical driving situation of this type are satisfied, a special regulation (MFO), which brings about a reduction in the braking pressure on the front drive wheel having the highest coefficient of friction, is initiated for a period of time which depends on the vehicle speed.
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公开(公告)号：EP0675812B1
公开(公告)日：1997-03-05
申请号：EP94930949.6
申请日：1994-10-13
发明人： LATARNIK, Michael , EHMER, Norbert
IPC分类号： B60C23/06
CPC分类号： B60C23/061
摘要： A process for monitoring tyre pressure by comparing and evaluating the rotation speeds of the individual vehicle wheels is based on the formation of speed correction factors (K(t,FS)). In a learning phase (Phase 1), the values of the individual correction factors, correlations between the correction factors for typical driving situations (FS) and tolerances depending on the actual driving situation (G1(t,FS)) are found for the correction factors. In a subsequent indentification phase the deviations (G2(t)) of the correction factors from the learnt values are established and assessed taking account of the tolerances depending on the actual driving situation (G1(t,FS)) and the progress of the learning process. Tyre pressure losses are signalled if the current speed correction factor (Kx(t,FS)) found during the identification phase (Phase 2), taking account of the current deviation (G2x(FS)), falls below the already learnt speed correction factor (KSp,x(FS)), taking account of the tolerance already found for the current driving situation (G1Sp,x(FS)).
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9.发明授权
公开(公告)号：EP0607404B1
公开(公告)日：1996-07-03
申请号：EP93917774.7
申请日：1993-08-11
CPC分类号： B60T8/175 , B60K28/16 , B60T2201/09
摘要： In order to reduce undesired effects of motor drag moments (MSM) on the braking behaviour of a motor vehicle fitted with an anti-lock braking system, the braking slip (μ1,2) of the driven wheels is detected independently of any brake actuation. With a rotation behaviour of the driven wheels (VL, VR) which is typical for the action of motor drag moments (MSM), especially with a brake slip (μ1,2) at these wheels (VL, VR) above a limit, the braking pressure in the wheel brakes of the driven wheels (VL, VR) is kept constant or reduced or, if the braking process has not yet begun, the control of braking pressure into the wheel brakes of the driven wheels is eliminated.
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10.发明公开
公开(公告)号：EP0607404A1
公开(公告)日：1994-07-27
申请号：EP93917774.0
申请日：1993-08-11
CPC分类号： B60T8/175 , B60K28/16 , B60T2201/09
摘要： Afin de réduire les effets indésirables de couples de freinage d'un moteur (MSM) sur le comportement au freinage d'un véhicule, équipé d'un système de freinage antiblocage, le glissement au freinage (lambda1,2) des roues entraînées est déterminé indépendamment de tout actionnement des freins. Lors d'un comportement de rotation des roues entraînées (VL, VR), caractéristique de l'apparition de couples de freinage du moteur (MSM), notamment lors d'un glissement au freinage (lambda1,2) au niveau desdites roues entraînées (VL, VR) dépassant une valeur limite, la pression de freinage présente dans les freins des roues entraînées (VL, VR) est maintenue constante ou est réduite, ou bien si le freinage n'a pas encore débuté, l'injection de pression de freinage dans les freins des roues entraînées est supprimée.
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