Control system

Details Control system Control system

2007-11-06

2007-11-06

Vo, Hieu T. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S054000, C701S057000

Reexamination Certificate

active

11206992

ABSTRACT:
A control system which controls a control amount via a movable mechanism, such that it is possible to reduce impact occurring when a movable part of the movable mechanism is driven to a limit of the movable range, and time required for the driving, in a compatible manner. An ECU2of a control system1calculates, when Liftin<Liftin_ VPL or Liftin_ VPH <Liftin holds, a switching function-setting parameter POLE_ lf as a value toward a predetermined value POLE_ lf2which is close to a value of −1 (step25), and calculates a lift control input Uliftin for controlling a variable valve lift mechanism50by equations (3) to (10) using the calculated value (step26).

REFERENCES:
patent: 4914905 (1990-04-01), Dubois et al.
patent: 2003-262110 (2003-09-01), None

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