Method for determining a maximum speed limit for a reversing vehicle combination
First Claim
1. A method for determining a maximum speed limit for a reversing vehicle combination comprising a towing vehicle and at least one towed trailer, where the towing vehicle is provided with an automatic reverse assistance function, comprising:
- determining a manoeuvre that is to be performed by the vehicle combination, where the manoeuvre consists of a predefined path determined in advance prior to initiating the manoeuvre such that the vehicle will avoid obstacles when reversing,simulating the complete manoeuvre in advance prior to initiating the manoeuvre by using a control algorithm and a state space model, thereby obtaining the steering behaviour of the vehicle combination during the manoeuvre,calculating the maximum speed limit for the vehicle combination during the manoeuvre by using at least one predefined limiting condition, using the simulation of the complete manoeuvre, andcontrolling a vehicle speed with a non-transitory controller in accordance with the calculated maximum speed during the manoeuvre.
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Abstract
A method is provided for determining a maximum speed limit for a reversing vehicle combination that includes a towing vehicle and at least one towed trailer. The method includes determining a maneuver that is to be performed by the vehicle combination, simulating the complete maneuver in advance by using a control algorithm and a state space model, thereby obtaining the steering behavior of the vehicle combination during the maneuver, and calculating the maximum speed limit for the vehicle combination during the maneuver by using at least one predefined limiting condition. A maximum speed limit for a reverse assistance function can be estimated in advance, which allows for a faster and more efficient reversing of the vehicle combination, and at the same time allows for an improved comfort for the driver.
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Citations
14 Claims
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1. A method for determining a maximum speed limit for a reversing vehicle combination comprising a towing vehicle and at least one towed trailer, where the towing vehicle is provided with an automatic reverse assistance function, comprising:
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determining a manoeuvre that is to be performed by the vehicle combination, where the manoeuvre consists of a predefined path determined in advance prior to initiating the manoeuvre such that the vehicle will avoid obstacles when reversing, simulating the complete manoeuvre in advance prior to initiating the manoeuvre by using a control algorithm and a state space model, thereby obtaining the steering behaviour of the vehicle combination during the manoeuvre, calculating the maximum speed limit for the vehicle combination during the manoeuvre by using at least one predefined limiting condition, using the simulation of the complete manoeuvre, and controlling a vehicle speed with a non-transitory controller in accordance with the calculated maximum speed during the manoeuvre. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for determining a maximum speed limit for a reversing vehicle combination comprising a towing vehicle and at least one towed trailer, where the towing vehicle is provided with an automatic reverse assistance function, comprising:
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determining a manoeuvre that is to be performed by the vehicle combination, where the manoeuvre consists of a predefined path determined in advance prior to initiating the manoeuvre such that the vehicle will avoid obstacles when reversing, simulating the complete manoeuvre in advance prior to initiating the manoeuvre by using a control algorithm and a state space model, thereby obtaining the steering behaviour of the vehicle combination during the manoeuvre, calculating the maximum speed limit for the vehicle combination during the manoeuvre by using at least one predefined limiting condition, using the simulation of the complete manoeuvre, and informing a vehicle operator of the calculated maximum speed during the manoeuvre.
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Specification