PURPOSE:To prevent production of a time difference between a target fuel suction amount and a plant output even during transient operation and to improve control precision by inserting the dead time (the time delay element) of a system between a fuel plant and a parameter identifying and regulating mechanism or an adaptive controller. CONSTITUTION:A control device comprises an MAP block to decide a target suction fuel amount Ti, a Gair model block to estimate an actual suction fuel amount Gair, an A/F observer block, and a fuel injection control block to decide a fuel injection amount Tout. Based on an actual intake air mount Gail in a cylinder and an air-fuel ratio A/F, and a cylinder suction fuel amount Gfuel is estimated. The parameter of a fuel injection block is regulated so that the cylinder suction fuel amount is caused to coincide with the target fuel amount Ti, and a fuel injection amount Tout is decided. In this case, the dead time (the time delay element) of a system is inserted between a fuel plant and a parameter identifying and regulating mechanism or an adaptive controller.

Fuel injection amount control device for internal combustion engine

PURPOSE:To attain an exclusive control system of shared data for extraction of the parallel property by distributing ticket numbers for control of the sequential property of each process to these processes in a process production mode. CONSTITUTION:A request interpretation unit 1 judges the read or write of an input request and selects a substitute part deciding unit 6 through a request scheduler 2. The unit 6 performs the processing in response to the type of the request when signals 13-15 are all available and delivers the control to an instruction execution unit 4. The unit 4 gives +1 to the value of the signal 15 and the ticket number (n) received with the signal 16 and writes them to a register 5 with a write request. Then a request end output 21 is sent to a gate 7. The gate 7 waits for an output 17 to be supplied from another substitute part deciding unit which has a ticket number (n+1). Then the gate 7 outputs a release request signal 23 to the scheduler 2 when the signal 21 is available.

Shimazu Hideo

Papers

Exclusive control system for inter-task shared data