LKAS on state

system is switched on

system is switched on

LKAS stand-by state

system is switched on but the activation criteria are not all met

system is switched on but the activation criteria are not all met

look ahead distance (V_max)

curve detection range of the CSWS
NOTE 1 to entry: For the curvature points that have radius of curvature ≤RC and the distances from the subject vehicle to the curved roads are < SLAD, the curvature point is considered to be a curvature point of interest.

curve detection range of the CSWS
NOTE 1 to entry: For the curvature points that have radius of curvature ≤RC and the distances from the subject vehicle to the curved roads are < SLAD, the curvature point is considered to be a curvature point of interest.

low speed following (LSF)

function that allows the subject vehicle to follow a forward vehicle in low speed ranges such as congested traffic at an appropriate distance by controlling the engine and/or power train and the brakes

function that allows the subject vehicle to follow a forward vehicle in low speed ranges such as congested traffic at an appropriate distance by controlling the engine and/or power train and the brakes

R_min

lower threshold of the operational range in terms of the radius of curvature (m)

LSF following state

condition where the system controls the clearance to the target vehicle according to the selected time gap

condition where the system controls the clearance to the target vehicle according to the selected time gap

LSF hold state

condition where the system controls the subject vehicle to be kept stationary

condition where the system controls the subject vehicle to be kept stationary

LSF re-targeting state

temporary target-lost period during a transition to the next target vehicle

temporary target-lost period during a transition to the next target vehicle

manoeuvring aid for low speed operation (MALSO)

system which, at low speeds (< 0,5 m/s), is capable of informing the driver of the presence of stationary obstacles in particular areas in close proximity to the subject vehicle, mainly during parking and manoeuvring in narrow passages

system which, at low speeds (< 0,5 m/s), is capable of informing the driver of the presence of stationary obstacles in particular areas in close proximity to the subject vehicle, mainly during parking and manoeuvring in narrow passages

a_test

maximum allowed acceleration during curve test

a_{lateral_max}

maximum allowed lateral acceleration in curves

a_max

maximum allowed longitudinal acceleration

a_{d_max}

maximum braking deceleration (m/s²)

maximum operating speed (V_min)

maximum subject vehicle speed at which the CSWS shall operate

maximum subject vehicle speed at which the CSWS shall operate

a_{vehicle_max}

maximum possible deceleration capability during manual driving

minimum allowed curve speed warning time (t_csw)

lower threshold of the curve speed warning time
NOTE 1 to entry: The value of minimum allowed curve speed warning time is decided considering the amount of overspeed of the subject vehicle and the reaction delay of drivers.

lower threshold of the curve speed warning time
NOTE 1 to entry: The value of minimum allowed curve speed warning time is decided considering the amount of overspeed of the subject vehicle and the reaction delay of drivers.

a_min

minimum allowed longitudinal acceleration = Maximum allowed longitudinal deceleration

θ_min

minimum AOC (deg)

minimum countermeasure action point (MCAP)

value of PUP, relative to an expected collision, for which initiation of a specific countermeasure shall be required

value of PUP, relative to an expected collision, for which initiation of a specific countermeasure shall be required

minimum FVCMS deceleration

minimum FVCMS deceleration that the system must achieve while mitigation braking (MB) is active, measured on smooth, dry, clean pavement

minimum FVCMS deceleration that the system must achieve while mitigation braking (MB) is active, measured on smooth, dry, clean pavement

S_{warn_min}

minimum of warning threshold distance considering Vcurrent and tCSW_min (m)

minimum operating speed (t_{csw_min})

minimum subject vehicle speed at which the CSWS shall operate

minimum subject vehicle speed at which the CSWS shall operate

minimum required deceleration (m/s²) (a_{d_req})

deceleration that, if constant, would enable the subject vehicle to match the warning threshold speed for the target curvature point of interest

deceleration that, if constant, would enable the subject vehicle to match the warning threshold speed for the target curvature point of interest

minimum velocity (V_min)

the minimum subject vehicle (SV) speed for which FVCMS must be capable of activating a countermeasure

the minimum subject vehicle (SV) speed for which FVCMS must be capable of activating a countermeasure

mitigation braking (MB)

FVCMS countermeasure that responds to the detection of a very likely rear-end collision by automatically activating braking to quickly reduce the relative velocity, within the minimum requirements

FVCMS countermeasure that responds to the detection of a very likely rear-end collision by automatically activating braking to quickly reduce the relative velocity, within the minimum requirements

monitoring range (m. r.)

specific three-dimensional space around the vehicle, which is divided into rear and front corner m.r., front, rear-1 and rear-2 m.r
NOTE: The covered monitoring ranges depend on the intended use of the system.

specific three-dimensional space around the vehicle, which is divided into rear and front corner m.r., front, rear-1 and rear-2 m.r
NOTE: The covered monitoring ranges depend on the intended use of the system.

multiple curve

curved road which is a combination of two or more closely located curved roads where the curved roads are constant radius curvatures
NOTE 1 to entry: The clothoid can be included.

curved road which is a combination of two or more closely located curved roads where the curved roads are constant radius curvatures
NOTE 1 to entry: The clothoid can be included.

no warning zone

zone between the two earliest warning lines

zone between the two earliest warning lines

nomadic vehicle input device; nomadic input device

input device that can be carried into, or in near proximity of, a vehicle and connected as desired
EXAMPLE: A smartphone connected to a vehicle (via USB or Bluetooth) to provide driver navigation on the vehicle's large screen display
NOTE 1 to entry: NDs are often more closely associated with a person than they are with the vehicle.
NOTE 2 to entry: Nomadic input devices do not…

input device that can be carried into, or in near proximity of, a vehicle and connected as desired
EXAMPLE: A smartphone connected to a vehicle (via USB or Bluetooth) to provide driver navigation on the vehicle's large screen display
NOTE 1 to entry: NDs are often more closely associated with a person than they are with the vehicle.
NOTE 2 to entry: Nomadic input devices do not require a maintenance operation to connect or disconnect.

obstacle vehicles

vehicles, both moving and stationary, considered potential hazards that can be detected by this system
EXAMPLE: Motor vehicles only, that is cars, trucks, buses, and motorcycles.

vehicles, both moving and stationary, considered potential hazards that can be detected by this system
EXAMPLE: Motor vehicles only, that is cars, trucks, buses, and motorcycles.