System for the generation of signals for control or regulation of an undercarriage controllable or regulable in its sequences of motion
First Claim
1. A method of generating signals for controlling an undercarriage of a motor vehicle, the motor vehicle having sequences of motion which are controllable, and including a vehicle body, at least two wheel units and at least one of a suspension system and damping system for influencing movements between the wheel unit and the vehicle body, said method comprising the steps of:
- sensing relative movements between the wheel units and the vehicle body;
providing signals representing said sensed relative movements;
calculating a wheel load fluctuation based on said provided signals;
precalculating possible changes (P'"'"') of the wheel load fluctuation (P) as a function of possible changes of an undercarriage characteristic;
scanning selected criteria to determine whether a driving condition critical to road safety exists; and
adjusting the undercarriage characteristic for minimization of the wheel load fluctuations when said scanning step determines a driving condition critical to road safety.
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Accused Products
Abstract
A system for inferring actual wheel load fluctuation based on signals representing the relative movements between the wheel units and the vehicle body. Possible changes of the actual wheel load fluctuation are precalculated as a function of a possible change of the undercarriage characteristic, whereupon by scanning of certain criteria a determination is made as to whether a situation critical to road safety is given and whether in the case of a situation critical to the road safety the undercarriage characteristic is to be adjusted for minimization of the wheel load fluctuations.
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Citations
17 Claims
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1. A method of generating signals for controlling an undercarriage of a motor vehicle, the motor vehicle having sequences of motion which are controllable, and including a vehicle body, at least two wheel units and at least one of a suspension system and damping system for influencing movements between the wheel unit and the vehicle body, said method comprising the steps of:
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sensing relative movements between the wheel units and the vehicle body; providing signals representing said sensed relative movements; calculating a wheel load fluctuation based on said provided signals; precalculating possible changes (P'"'"') of the wheel load fluctuation (P) as a function of possible changes of an undercarriage characteristic; scanning selected criteria to determine whether a driving condition critical to road safety exists; and adjusting the undercarriage characteristic for minimization of the wheel load fluctuations when said scanning step determines a driving condition critical to road safety. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A system for generating signals for controlling an undercarriage of a motor vehicle, the motor vehicle having sequences of motion which are controllable, and including a vehicle body, at least two wheel units and at least one of a suspension system and damping system for influencing movements between said wheel unit and said vehicle body, the suspension and damping system including a spring between the vehicle body and the wheel unit, said system for generating signals for controlling an undercarriage of a motor vehicle comprising:
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a sensor providing signals representing relative movements between the wheel units and the vehicle body; value determination means for inferring a wheel load fluctuation (P) based on the sensed signals, and precalculating possible changes (P'"'"') of the wheel load fluctuation (P) as a function of possible changes of an undercarriage characteristic; evaluation means for scanning certain criteria to determine whether a driving condition critical to road safety exists; and an end stage for adjusting the undercarriage characteristic for minimization of the wheel load fluctuations when said evaluation means determines a driving condition critical to road safety. - View Dependent Claims (15, 16, 17)
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Specification