초록 ▼

A relative lateral deviation calculating device calculates a relative lateral deviation between a vehicle and an on-coming vehicle, based on the state of the on-coming vehicle detected by an object detecting device and a future locus of movement for the vehicle estimated by a movement locus estimati

A relative lateral deviation calculating device calculates a relative lateral deviation between a vehicle and an on-coming vehicle, based on the state of the on-coming vehicle detected by an object detecting device and a future locus of movement for the vehicle estimated by a movement locus estimating device. When the relative lateral deviation is in a predetermined range, a contact-possibility determining device determines that there is a possibility that the vehicle will come into contact with the on-coming vehicle. Even when the relative lateral deviation is not in the predetermined range, if a steering-state detecting device has detected an involuntary steering operation by a driver, a contact avoiding device increases the steering reaction force of the steering wheel to inhibit the steering operation by the driver in a direction for the vehicle to approach the on-coming vehicle.

대표청구항 ▼

[ What is claimed is:] [1.]1. A travel safety system for a vehicle, comprising:an object detecting means for detecting an object existing in the direction of movement of the vehicle;a movement locus estimating means for estimating a future locus of movement for the vehicle;a relative lateral deviati

[ What is claimed is:] [1.]1. A travel safety system for a vehicle, comprising:an object detecting means for detecting an object existing in the direction of movement of the vehicle;a movement locus estimating means for estimating a future locus of movement for the vehicle;a relative lateral deviation calculating means for calculating a relative lateral deviation between the vehicle and an on-coming vehicle, based on the result of the detection by said object detecting means and the future locus of movement for the vehicle;a contact-possibility determining means for determining whether there is a possibility that the vehicle will come into contact with the on-coming vehicle, based on the relative lateral deviation calculated by said relative lateral deviation calculating means;a steering-state detecting means for detecting an involuntary steering operation by a driver in a direction for the vehicle to approach the on-coming vehicle; anda contact avoiding means for automatically carrying out a contact avoiding operation;wherein said contact-possibility determining means determines that there is a possibility of contact, when the relative lateral deviation is in a predetermined range, or when the relative lateral deviation is not in a predetermined range and said steering-state detecting means has detected an involuntary steering operation by the driver in the direction for the vehicle to approach the on-coming vehicle,wherein said contact avoiding means carries out a contact avoiding operation when the relative lateral deviation is not in the predetermined range and said steering-state detecting means has detected an involuntary steering operation by the driver in the direction for the vehicle to approach the on-coming vehicle,wherein said contact avoiding means inhibits said involuntary steering operation by the driver in the direction for the vehicle to approach the on-coming vehicle, andwherein said contact avoiding means decreases the steering assisting force generated by the steering device, as the degree of approach of the vehicle to the on-coming vehicle due to the involuntary steering operation by the driver becomes larger.