Claims
- 1. A control device for final control elements of an internal combustion engine having sensors sensing at least one measured variable, an incremental crankshaft angle sensor having an increment number and supplying a measurement signal having pulses, final control elements, actuator drives connected to the final control elements, and a control unit having a synchronizer for synchronizing counters and a control unit counter with a counter reading, the control unit at least in part driving the final control elements with the actuator drives, the control device comprising:
a control command generator connected to the actuator drives and controlling the actuator drives as a function of the at least one measured variable, said generator generating control commands with setpoint counter readings for execution of control functions of the engine; a communications interface for exchanging messages with the control unit, said interface connecting said control command generator to the control unit; a revolving counter independent of the control unit counter and having a counter reading:
dependent upon parameters including the pulses of the measurement signal of the crankshaft angle sensor; and independent from the increment number of the crankshaft angle sensor during a working cycle of the engine; said counter reading of said revolving counter and the counter reading of the control unit counter synchronized through the synchronizer of the control unit; and the counter reading of the control unit counter being dependent upon said parameters.
- 2. The control device according to claim 1, wherein said revolving counter is a dual counter with a predefined bit length.
- 3. The control device according to claim 1, wherein said counter reading of said revolving counter interpolates between the pulses of the measurement signal.
- 4. The control device according to claim 1, wherein the final control elements are gas exchange valves.
- 5. A control device for final control elements of an internal combustion engine having sensors sensing at least one measured variable, an incremental crankshaft angle sensor having an increment number and supplying a measurement signal having pulses, final control elements, actuator drives connected to the final control elements, and a control unit having a synchronizer for synchronizing counters and a control unit counter with a counter reading, the control unit at least in part driving the final control elements with the actuator drives, the control device comprising:
a means for generating control commands connected to the actuator drives and controlling the actuator drives as a function of the at least one measured variable, said control command generating means generating control commands with setpoint counter readings for execution of control functions of the engine; a communications interface for exchanging messages with the control unit, said interface connecting said control command generating means to the control unit; a revolving counter independent of the control unit counter and having a counter reading:
dependent upon parameters including the pulses of the measurement signal of the crankshaft angle sensor; and independent from the increment number of the crankshaft angle sensor during a working cycle of the engine; said counter reading of said revolving counter and the counter reading of the control unit counter synchronized through the synchronizer of the control unit; and the counter reading of the control unit counter being dependent upon said parameters.
- 6. In an internal combustion engine having sensors sensing at least one measured variable, an incremental crankshaft angle sensor having an increment number and supplying a measurement signal having pulses, final control elements, actuator drives connected to the final control elements, and a control unit having a synchronizer for synchronizing counters and a control unit counter with a counter reading, the control unit at least in part driving the final control elements with the actuator drives, a control device for the final control elements comprising:
a control command generator connected to the actuator drives and controlling the actuator drives as a function of the at least one measured variable, said generator generating control commands with setpoint counter readings for execution of control functions of the engine; a communications interface for exchanging messages with the control unit, said interface connecting said control command generator to the control unit; a revolving counter independent of the control unit counter and having a counter reading:
dependent upon parameters including the pulses of the measurement signal of the crankshaft angle sensor; and independent from the increment number of the crankshaft angle sensor during a working cycle of the engine; said counter reading of said revolving counter and the counter reading of the control unit counter synchronized through the synchronizer of the control unit; and the counter reading of the control unit counter being dependent upon said parameters.
- 7. A control unit for actuator drives of an internal combustion engine having a control device generating control commands for controlling the actuator drives, the control commands containing setpoint counter readings for execution of engine control functions, a communications interface for exchanging data with the control device, an incremental crankshaft angle sensor having an increment number and generating a measurement signal having pulses, and a counter with a first counter reading, the control unit comprising:
a revolving counter independent from the counter and having a second counter reading:
dependent upon parameters including the pulses of the measurement signal; and independent of the increment number of the crankshaft angle sensor during a working cycle of the engine; a controller executing the engine control functions as a function of said second counter reading and the setpoint counter readings; a synchronizer for synchronizing said second counter reading and the first counter reading; and the first counter reading being dependent upon said parameters.
- 8. The control unit according to claim 7, wherein said revolving counter is a dual counter with a predefined bit length.
- 9. The control unit according to claim 7, wherein said second counter reading interpolates between the pulses of the measurement signal.
- 10. The control unit according to claim 7, wherein the actuator drives are drives for charge cycle valves.
- 11. A control unit for actuator drives of an internal combustion engine having a control device generating control commands for controlling the actuator drives, the control commands containing setpoint counter readings for execution of engine control functions, a communications interface for exchanging data with the control device, an incremental crankshaft angle sensor having an increment number and generating a measurement signal having pulses, and a counter with a first counter reading, the control unit comprising:
a revolving counter independent from the counter and having a second counter reading:
dependent upon parameters including the pulses of the measurement signal; and independent of the increment number of the crankshaft angle sensor during a working cycle of the engine; means for executing the engine control functions as a function of said second counter reading and the setpoint counter readings; means for synchronizing said second counter reading and the first counter reading; and the first counter reading being dependent upon said parameters.
- 12. In an internal combustion engine having actuator drives, a control device generating control commands for controlling the actuator drives, the control commands containing setpoint counter readings for execution of engine control functions, a communications interface for exchanging data with the control device, an incremental crankshaft angle sensor having an increment number and generating a measurement signal having pulses, and a counter with a first counter reading, a control unit for the actuator drives comprising:
a revolving counter independent from the counter and having a second counter reading:
dependent upon parameters including the pulses of the measurement signal; and independent of the increment number of the crankshaft angle sensor during a working cycle of the engine; a controller executing the engine control functions as a function of said second counter reading and the setpoint counter readings; a synchronizer for synchronizing said second counter reading and the first counter reading; and the first counter reading being dependent upon said parameters.
- 13. A method for controlling an internal combustion engine having actuator drives, which comprises:
generating control commands for controlling the actuator drives as a function of at least one measured variable in a control device, the control commands containing setpoint counter readings for an execution of engine control functions; transmitting the control commands to a control unit for the actuator drives; changing a counter reading of a first counter as a function of pulses of a measurement signal from an incremental crankshaft angle sensor having an increment number, the first counter being a revolving counter with a maximum counter reading independent of the increment number of the crankshaft angle sensor during a working cycle of the engine; and executing, in the control unit, the engine control functions predefined by the control commands as a function of: the counter reading of the first counter; the setpoint counter readings; and a counter reading of a second counter independent of the first counter.
Priority Claims (1)
Number |
Date |
Country |
Kind |
199 57 537.1 |
Nov 1999 |
DE |
|
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application is a continuation of copending International Application No. PCT/DE00/04242, filed Nov. 28, 2000, which designated the United States and was not published in English.
Continuations (1)
|
Number |
Date |
Country |
Parent |
PCT/DE00/04242 |
Nov 2000 |
US |
Child |
10158755 |
May 2002 |
US |