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1.发明公开
公开(公告)号：EP1945493A1
公开(公告)日：2008-07-23
申请号：EP06808212.2
申请日：2006-09-28
申请人： Jtekt Europe
CPC分类号： B62D5/0457 , B62D5/0466 , B62D5/0481
摘要： The invention concerns a method which consists in: filtering the torque signal (c) using a low-pass filter (B) of the first order at a variable cut-off frequency (f) which takes on, respectively, a minimum value or a maximum value depending on whether the amplitude of the torque signal (c) is, respectively, lower or higher than a predetermined threshold; then in producing a signal (J) indicating, respectively, a steering wheel release (J=1) or a steering wheel grip (J=0) depending on whether the amplitude of the filtered torque signal (e) is, respectively, lower or higher than a predetermined threshold.
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2.发明授权UTILISATION D'UN MOTEUR D'ASSISTANCE DE DIRECTION POUR SIMULER UNE BUTÉE DE FIN DE COURSE DE LADITE DIRECTION 有权VERWENDUNG EINES SERVOLENKMOTORS ZUR SIMULATION EINES ANSCHLAGSFÜRDIESE LENKUNG
公开(公告)号：EP3003823B1
公开(公告)日：2017-03-29
申请号：EP14733241.5
申请日：2014-06-03
申请人： JTEKT Europe
CPC分类号： B62D5/0469 , B60R25/02
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3.发明公开
公开(公告)号：EP3003823A2
公开(公告)日：2016-04-13
申请号：EP14733241.5
申请日：2014-06-03
申请人： JTEKT Europe
CPC分类号： B62D5/0469 , B60R25/02
摘要： The invention relates to a method for managing a power-steering motor designed to supply a force to assist the movement of a steering rack, said steering rack being mounted such as to be movable between at least a first position (P1) and a second position (P2) in order to be able to change the steering angle of a steered wheel. Said method comprises: defining a virtual end-of-travel threshold (S1, S2) strictly comprised between the first position (P1) and the second position (P2); and if the rack is detected as having crossed said virtual end-of-travel threshold (S1, S2) in a predetermined crossing direction (F1, F2), simulating, by means of the power-steering motor, an end-of-travel stop by including in the assistance instruction a resistance instruction that simulates the effect of a mechanical stop, such as a spring-damper or a mass-spring-damper, preventing the actuator member from progressing beyond the virtual end-of-travel threshold (S1, S2).
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4.发明公开
公开(公告)号：EP2373529A1
公开(公告)日：2011-10-12
申请号：EP09802176.9
申请日：2009-12-15
申请人： JTEKT Europe
CPC分类号： B60W40/12 , B60W2520/28 , B62D6/003
摘要： The invention relates to a method for calculating the understeering ratio of automobiles provided with electric power steering (EPS) including an electric assistance motor (9) driven by an onboard electronic computer (11), a sensor (12, 14) providing a first piece of information on a real angular position of the steering wheel (3), a wheel anti-lock braking system (ABS) providing a second piece of information on the speed of the wheels (15) of the vehicle, characterised in that the onboard computer (11) of the EPS processes the second piece of information for estimating a theoretical angular position of the steering wheel (3), which is further compared to the real angular position of the steering wheel (3) in order to derive the understeering ratio (τ) of the vehicle.
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5.发明公开
公开(公告)号：EP2507113A1
公开(公告)日：2012-10-10
申请号：EP10801605.6
申请日：2010-11-29
申请人： JTEKT Europe
IPC分类号： B62D15/02
CPC分类号： B62D15/0245 , B62D15/0235 , B62D15/024
摘要： The invention relates to a method for determining the absolute angular position of a steering wheel (3) of an electric power-assisted steering column (1) of a motor vehicle, comprising a means for measuring a dynamic parameter while the vehicle is running and comprising, among others, the steps of periodically determining a multi-turn relative angular position, determining at least one dynamic parameter relating to the running conditions of the vehicle using the means for measuring said parameter, determining an absolute steering-wheel angle calculated according to at least one dynamic parameter, and weighting the calculated value of the absolute steering-wheel angle according to a test of the validity of the calculated value of the absolute steering-wheel angle and the origin of said value, in other words, the measurement means used to determine said at least one dynamic parameter.
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6.发明授权
公开(公告)号：EP1945493B1
公开(公告)日：2011-08-24
申请号：EP06808212.2
申请日：2006-09-28
申请人： Jtekt Europe
CPC分类号： B62D5/0457 , B62D5/0466 , B62D5/0481
摘要： The invention concerns a method which consists in: filtering the torque signal (c) using a low-pass filter (B) of the first order at a variable cut-off frequency (f) which takes on, respectively, a minimum value or a maximum value depending on whether the amplitude of the torque signal (c) is, respectively, lower or higher than a predetermined threshold; then in producing a signal (J) indicating, respectively, a steering wheel release (J=1) or a steering wheel grip (J=0) depending on whether the amplitude of the filtered torque signal (e) is, respectively, lower or higher than a predetermined threshold.
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7.发明授权
公开(公告)号：EP2507113B1
公开(公告)日：2013-08-14
申请号：EP10801605.6
申请日：2010-11-29
申请人： JTEKT Europe
IPC分类号： B62D15/02
CPC分类号： B62D15/0245 , B62D15/0235 , B62D15/024
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8.发明授权
公开(公告)号：EP2373529B1
公开(公告)日：2012-10-17
申请号：EP09802176.9
申请日：2009-12-15
申请人： JTEKT Europe
CPC分类号： B60W40/12 , B60W2520/28 , B62D6/003
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9.发明授权
公开(公告)号：EP1817221B1
公开(公告)日：2012-06-20
申请号：EP05802590.9
申请日：2005-09-16
申请人： JTEKT Europe
CPC分类号： B62D15/0235
摘要： The method consists in: (A) determining in which actual sector (tr_engine) the booster motor is located, a sector of the booster motor being defined by two successive poles; determining a relative angle position (Angle_steerwh_rel) of the steering wheel in relation to the booster motor; (B, C, D) identifying a sector, known as neutral (tr_engine_neutral), in which the booster motor is located when the rotation speeds of the rear wheels, i.e. right (v rear R) and left (v rear L) of the vehicle, are equal; (E) determining an angle offset (angle_offset) of the steering wheel corresponding to a neutral angle position of the steering wheel; determining an absolute angle position (angle_steerwh_absolute) of the steering wheel which is equal to the difference between the relative angle position (angle_steerwh_rel) of the steering wheel and the offset angle (angle_offset) thereof.
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