초록

Computer-implemented systems and methods implement a dental treatment plan by specifying tooth movement patterns using a two-dimensional array; and generating treatment paths to move the teeth in accordance with the specified pattern.

대표청구항 ▼

Computer-implemented systems and methods implement a dental treatment plan by specifying tooth movement patterns using a two-dimensional array; and generating treatment paths to move the teeth in accordance with the specified pattern. nerating a signal representative of a common coefficient of expor

Computer-implemented systems and methods implement a dental treatment plan by specifying tooth movement patterns using a two-dimensional array; and generating treatment paths to move the teeth in accordance with the specified pattern. nerating a signal representative of a common coefficient of export flow set point for the first and second compressors as a function of the signal representative of the operating pressure within the suction line; first controller means coupled to the central controller means for adjusting the operating point of the first compressor using the signal representative of the common coefficient of export flow set point; and second controller means coupled to the central controller means for: adjusting the operating point of the second compressor using the signal representative of the common coefficient of export flow set point. 7. The system of claim 6, further comprising: means for determining an actual first coefficient of export flow for the first compressor that is equal to a net export flow for the first compressor divided by a surge control setpoint for the first compressor; means for determining an actual second coefficient of export flow for the second compressor that is equal to a net export flow for the second compressor divided by a surge control setpoint for the second compressor; and means for determining the common coefficient of export flow set point for the first and second compressors as a function of the first and second actual coefficients of export flow. 8. The system of claim 7, wherein means for determining the common coefficient of export flow set point for the first and second compressors as a function of the first and second actual coefficients of export flow comprises: means for determining which of the first and second actual coefficients of export flow have the highest value; and means for determining the common coefficient of export flow set point for the first and second compressors as a function of the highest value actual coefficient of export flow. 9. The system of claim 6, wherein means for adjusting the operating points of the first and second compressors using the common coefficient of export flow set point comprises: means for adjusting the rotational speeds of the first and second compressors. 10. The system of claim 6, wherein means for adjusting the operating points of the first and second compressors using the common coefficient of export flow set point comprises: means for adjusting the amount of fluid that may be provided to the inlets of the first and second compressors. 11. A system for controlling the operation of a first compressor having an inlet coupled to a suction line and an outlet coupled to a discharge line and a second compressor having an inlet coupled to the suction line and an outlet coupled to the discharge line, comprising: a pressure transducer operably coupled to the suction line for generating a signal representative of an operating pressure within the suction line; a central controller operably coupled to the first and second compressors and the pressure transducer for generating a signal representative of a common coefficient of export flow set point for the first and second compressors as a function of the signal representative of the operating pressure within the suction line; a first controller coupled to the central controller for adjusting the operating point of the first compressor using the signal representative of the common coefficient of export flow set point; and a second controller coupled to the central controller for adjusting the operating point of the second compressor using the signal representative of the common coefficient of export flow set point. 12. The system of claim 11, further comprising: a first unit load sharing controller operably coupled to the first compressor and the central controller for generating a signal representative of an actual first coefficient of export flow for the first compressor that is equal to a net export flow for the first compressor divided by a surge control setpoint for the first compressor; and a second unit load sharing controller operably coupled to the second compressor and the central controller for generating a signal representative of an actual second coefficient of export flow for the second compressor that is equal to a net export flow for the second compressor divided by a surge control setpoint for the second compressor; wherein the central controller is adapted to generate the signal representative of the common coefficient of export flow set point for the first and second compressors as a function of the signals representative of the first and second actual coefficients of export flow. 13. The system of claim 12, further comprising: a high selector operably coupled to the first and second unit load sharing controllers and the central controller for processing the signals representative of the first and second actual coefficients of export flow to generate a high select signal representative of the signal representative of the first and second actual coefficients of export flow having the highest value; wherein the central controller processes the high select signal to generate the signal representative of a common coefficient of export flow set point for the first and second compressors. 14. The system of claim 11, wherein the first controller is adapted to adjust the operating point of the first compressor using the signal representative of the common coefficient of export flow set point by adjusting the operating speed of the first compressor; and wherein the second controller is adapted to adjust the operating point of the second compressor using the signal representative of the common coefficient of export flow set point by adjusting the operating speed of the second compressor. 15. The system of claim 11, wherein the first controller is adapted to adjust the operating point of the first compressor using the signal representative of the common coefficient of export flow set point by adjusting the amount of fluid that may be drawn into the inlet of the first compressor; and wherein the second controller is adapted to adjust the operating point of the second compressor using the signal representative of the common coefficient of export flow set point by adjusting the amount of fluid that may be drawn into the inlet of the second compressor. 16. A control system for controlling the operation of a first compressor operably coupled to a first turbine and including an inlet coupled to a suction line and an outlet coupled to a discharge line and a second compressor operably coupled to a second turbine and including an inlet coupled to the suction line and an outlet coupled to the discharge line, comprising: a first turbine controller operably coupled to the first turbine for controlling the operation of the first turbine and adapted to generate a signal representative of the actual rotational speed of the first turbine and receive a signal representative of a rotational speed setpoint for the first turbine; a first flow element operably coupled to the inlet of the first compressor and adapted to generate a signal representative of the flow rate through the inlet of the first compressor; first and second pressure transducers operably coupled to the inlet and the outlet of the first compressor, respectively, and adapted to generate signals representative of the operating pressures within the inlet and the outlet of the first compressor, respectively; a first recycle valve operably coupled to the inlet and the outlet of the first compressor and adapted to controllably fluidicly couple the inlet and the outlet of the first compressor; a first surge controller operably coupled to the first flow element, the first and second pressure transducers, and the first recycle valve and adapted to process the signals representative of the flow rate through the inlet of the first compressor, and the operating pressures within the inlet and the outlet of the first compressor and generate a signal for controlling the operation of the first recycle valve and a signal representa