Exhaust gas collector valve control device for motor vehicle, has collector with memory corresponding to aeraulics table for correspondence between position of valve and position of effective sections of valve, where device modifies table

摘要

#CMT# #/CMT# The device has a modeling unit (4) for modeling pressure or flow of gas in a gas collector. The collector has memory corresponding to an aeraulics table (21) for correspondence between a position of a valve (2) and a position of effective sections (S alpha) of the valve, where the device modifies the table of the valve. An activation module (11) receives signal from a sensor of an engine and compares the signal to a threshold to allocate an activation value or deactivation value to a binary variable. #CMT# : #/CMT# An independent claim is also included for a method for controlling a gas collector valve. #CMT#USE : #/CMT# Device for controlling an exhaust gas collector valve of a heat engine of a motor vehicle. #CMT#ADVANTAGE : #/CMT# The device modifies aerolics table of the valve, thus permitting to reduce the error in the valve installed in an engine slightly different from nominal valve and avoids recording of aeraulic characteristics of sample of the valve in a controller of the vehicle, and hence simplifying the maintenance operation during replacement of the valve. The modification of the table permits to be adapted to slow variation of fabrication tolerance of the valve and to correct derivation which is due to evolution of time of gas inlet circuit, while reducing the effective section so that an upper opening of the valve compensates dirtying of the circuit. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a block diagram illustrating an exhaust gas collector valve control device. S alpha : Effective sections 2 : Valve 4 : Modeling unit 11 : Activation module 21 : Aeraulics table.