1. An apparatus comprising:
a fuel sequence controller configured for use with a fuel injector having an injector configuration modeled by a body pressure characteristic that includes a rail pressure and an injection rate shape, the fuel sequence controller structured to determine the body pressure characteristic corresponding to the injector configuration by operating upon the rail pressure and the injection rate shape, the fuel sequence controller further structured to determine an estimate of the injected fuel quantity delivered from the fuel injector at the determined body pressure characteristic, wherein the body pressure characteristic includes a pressure within a body of the fuel injector.
2. The apparatus of claim 1, wherein the body pressure characteristic further includes one or more of a drain flow shape, an injector capacitance, a damping ratio, and a natural frequency of the body of the fuel injector.
3. The apparatus of claim 1, wherein the injector configuration includes a multipulse injection sequence in which each pulse has a command on-time and off-time.
4. The apparatus of claim 3, wherein the fuel sequence controller is further structured to adjust the command on-time and off-time of one or more pulses of the injector configuration to adjust the injected fuel quantity.
5. The apparatus of claim 3, wherein the fuel sequence controller is further structured to adjust a centroid of one or more pulses of the injector configuration.
6. The apparatus of claim 1, where the body pressure characteristic is one of a mathematical relationship, a regression equation, an adaptive table, and a combination thereof.
7. The apparatus of claim 1, wherein the estimate of the injected fuel quantity is a function of operating parameters that include at least one of a fuel pressure value, a fuel pressure rate, a fuel temperature value, andor an injector commanded on-time.
8. The apparatus of claim 1, wherein the fuel sequence controller is further structured to determine a body pressure characteristic rate corresponding to the injector configuration by operating upon the rail pressure and the injection rate shape.
9. A system comprising:
an internal combustion engine including a common fuel rail and at least one common rail fuel injector, the fuel injector capable of a multipulse fuel injection sequence;
a means for modeling the fuel injector fuel quantity delivered from the multipulse fuel injection sequence of the fuel injector as a function of a rail pressure of the fuel rail; and
a means for updating the model of the fuel injector fuel quantity andor diagnosing the fuel injector in response to a current operating condition and a command fueling quantity.
10. The system of claim 9, wherein the means for modeling the fuel injector fuel quantity delivered includes an injector body pressure estimate.
11. The system of claim 10, wherein the injector body pressure estimate includes the rail pressure.
12. The system of claim 10, wherein the injector body pressure estimate includes a stored injection relationship.
13. The system of claim 9, wherein the means for updating the model of the fuel injector fuel quantity includes adjusting a timing of one or more fueling commands of the multipulse fuel injection sequence.
14. The system of claim 9, wherein the means for updating the model of the fuel injector fuel quantity includes adjusting a centroid of one or more pulses of the multipulse fuel injection sequence.
15. A method, comprising:
defining an injector body pressure model for a fuel injector that includes a rail pressure;
applying the injector body pressure model to a preceding pulse of a multipulse injection sequence of the fuel injector to determine the body pressure at a command on-time of a latter pulse;
determining a fueling outcome of the multipulse injection sequence of the injector; and
updating at least one of a plurality of fuel command parameters in response to the fueling outcome.
16. The method of claim 15, wherein the injector body pressure model further includes one or more of an injection rate shape, drain flow shape, an injector capacitance, a damping ratio, and a natural frequency of the body of the fuel injector.
17. The method of claim 15, the method further comprising:
interpreting an injection rate shape and the rail pressure and to calculate a body pressure at a command value to determine the fueling outcome of the multipulse injection fueling sequence of the injector;
determining an injection deviation value in response to the fueling outcome; and
updating an injector characteristic in response to the injection deviation value and the body pressure, wherein the injector characteristic includes an injection rate shape, a start of injection delay, an end of injection delay, a peak injection rate, a time from start of injection to peak injection, a time from start of injection rate drop to end of injection, an opening rate shape slope, andor a closing rate shape slope.
18. The method of claim 15, wherein the fueling outcome includes a total injected fuel quantity delivered from the fuel injector during the multipulse injection sequence.
19. The method of claim 17, wherein the estimate of the injected fuel quantity is further a function of operating parameters that include at least one of rail pressure, body pressure, commanded on-time, operating speed, and temperature.
20. The method of claim 15, wherein the fuel command parameters include a command on-time and off-time of each pulse of the multipulse injection sequence.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of conducting a game feature on a gaming machine controlled by a processor, the method comprising:
receiving a wager from a player;
receiving a selection of at least one of a plurality of different revealed indicia, each of the plurality of different revealed indicia having a predetermined relation with indicia borne by each one of a plurality of subsequently displayed selectable game elements having initially concealed indicia; and
receiving successive selections from the plurality of selectable game elements having initially concealed indicia until a selected game element reveals an indicia having a predefined bonus-limiting association with the selected revealed indicia.
2. The method of claim 1, wherein the step of receiving successive selections of a plurality of selectable game elements includes receiving the selections until the selected revealed indicia is superseded by the indicia revealed by a selected game element.
3. The method of claim 2, wherein the selected revealed indicia is superseded by a first indicia initially concealed by the selectable game elements, supersedes a second indicia initially concealed by the selectable game elements, and is equivalent to a third indicia initially concealed by the selectable game elements.
4. The method of claim 1, further including providing an award for each selected game element that reveals an indicia having a predefined non-bonus-limiting association with the selected revealed indicia.
5. The method of claim 2, further including providing an award for each selected game element that reveals an indicia that is superseded by the selected revealed indicia.
6. The method of claim 1, further including advancing to a different phase of the game feature when the selected game element reveals an indicia having the predefined association with the selected revealed indicia.
7. The method of claim 1, further including ending the game feature when the selected game element reveals an indicia having the predefined bonus-limiting association with the selected revealed indicia.
8. The method of claim 1, wherein the step of receiving a selection of at least one of the revealed indicia is performed by the player.
9. The method of claim 8, wherein the step of receiving successive selections of the selectable game elements is performed by the player.
10. The method of claim 8, wherein the step of receiving successive selections of the selectable game elements is performed by the processor.
11. The method of claim 3, wherein the revealed indicia include a rock indicia, a paper indicia, and a scissors indicia, and wherein each selectable game element reveals respective indicia upon selection, the indicia being selected from a group consisting of rock indicia, paper indicia, scissors indicia, and other indicia, the rock indicia being superseded by the paper indicia, superseding the scissors indicia, and being equivalent to the rock indicia, the paper indicia being superseded by the scissors indicia, superseding the rock indicia, and being equivalent to the scissors indicia, the scissors indicia being superseded by the rock indicia, superseding the paper indicia, and being equivalent to the scissors indicia.
12. The method of claim 1, wherein said receiving step comprises receiving successive selections of a plurality of selectable game elements until a selected game element reveals an indicia different from the selected bonus limiting indicia and having a predefined association with the selected bonus limiting indicia.