Computer-readable medium, a method and an apparatus for designing and simulating electrodynamic machines implementing conical and cylindrical magnets

1. A method for designing a rotor-stator structure for an electrodynamic machine, the method comprising:

selecting active field pole members including coils at least one of which has a coil length parallel to an axis of rotation, selecting said active field pole members comprising:

selecting pole faces to confront conical surfaces of rotors disposed axially from each other, selecting said pole faces comprising:

determining a flux in a coil region of an active field pole member to produce a value of torque, said coil region being disposed within said coil length;

selecting a magnet material to produce a flux density at an air gap formed between a surface of said magnet material and a pole face of said active field pole member;

calculating, in a processor, a surface area of said pole face at which said flux density of said magnet material provides for said flux in said coil region to approximate said value of torque; and

determining a non-orthogonal angle at which to orient said pole face relative to said axis of rotation to establish said surface area for said pole face; and

sizing said coil length while maintaining a cross-sectional area associated with said active field pole members to adjust said value of torque as one or more performance characteristics.

2. The method of claim 1 wherein selecting said active field pole members comprises:

arranging said active field pole members in an arrangement having said cross-sectional area,

wherein said arrangement of said active field pole members is coaxial to the axis of rotation.

3. The method of claim 2 wherein arranging said active field pole members in said arrangement further comprises:

forming a stator assembly.

4. The method of claim 1 wherein selecting said active field pole members comprises:

selecting contoured pole faces associated with said active field pole members.

5. The method of claim 1 wherein sizing said coil length further comprises:

adjusting a motor efficiency value representing a motor efficiency as said performance characteristic.

6. The method of claim 1 wherein sizing said coil length further comprises:

adjusting a motor constant value representing a motor constant, Km, as said performance characteristic.

7. The method of claim 1 wherein sizing said coil length further comprises:

adjusting a torque value representing said value of torque as said performance characteristic while maintaining an input power.

8. The method of claim 1 wherein sizing said coil length further comprises:

sizing said coil length to form a first size to establish one value of said one or more performance characteristics;

sizing said coil length to form a second size to establish another value of one or more performance characteristics; and

implementing a magnet with either said first size or said second size of said coil length.

9. The method of claim 1 wherein selecting said active field pole members further comprises:

selecting contoured pole faces to confront at least a portion of a conical magnet.

10. The method of claim 1 wherein selecting said active field pole members further comprises:

selecting contoured pole faces to confront at least a portion of a cylindrical magnet.

11. The method of claim 1 further comprising:

adjusting the length of one or more field pole members.

12. The method of claim 1 wherein sizing said coil length further comprises:

maintaining a wire diameter for said coil.

13. The method of claim 1 wherein sizing said coil length further comprises:

maintaining a coil diameter for said coil.

14. The method of claim 1 wherein said cross-sectional area is coextensive with a diameter of a stator assembly.

15. A non-transitory computer-readable medium for designing a rotor-stator structure for an electrodynamic machine, the computer-readable medium, comprising executable instructions to:

select active field pole members including coils at least one of which has a coil length parallel to an axis of rotation;

select pole faces to confront conical surfaces of rotors disposed axially from each other, selecting said pole faces comprising:

determine a flux in a coil region of an active field pole member to produce a value of torque, said coil region being disposed within said coil length;

select a magnet material to produce a flux density at an air gap formed between a surface of said magnet material and a pole face of said active field pole member;

calculate, in a processor, a surface area of said pole face at which said flux density of said magnet material provides for said flux in said coil region to approximate said value of torque; and

determine a non-orthogonal angle at which to orient said pole face relative to said axis of rotation to establish said surface area for said pole face; and

size said coil length while maintaining a cross-sectional area associated with said active field pole members to adjust said value of torque as one or more performance characteristics.

16. The computer-readable medium of claim 15 wherein said executable instructions to select said active field pole members comprise executable instructions to:

arrange said active field pole members in an arrangement having said cross-sectional area,

wherein said arrangement of said active field pole members is coaxial to the axis of rotation.

17. The computer-readable medium of claim 16 wherein said executable instructions to arrange said active field pole members in said arrangement further comprises executable instructions to:

form a stator assembly.

18. The computer-readable medium of claim 15 wherein said executable instructions to select said active field pole members comprise executable instructions to:

select contoured pole faces associated with said active field pole members.

19. The computer-readable medium of claim 15 wherein said executable instructions to size said coil length further comprise executable instructions to:

adjust a motor efficiency value representing a motor efficiency as said performance characteristic.

20. The computer-readable medium of claim 15 wherein said executable instructions to size said coil length further comprise executable instructions to: adjust a second motor constant value representing a motor constant, Km, as said performance characteristic.

21. The computer-readable medium of claim 15 wherein said executable instructions to size said coil length further comprise executable instructions to:

adjust a torque value representing said value of torque as said performance characteristic while maintaining an input power.

22. The computer-readable medium of claim 15 wherein said executable instructions to size said coil length further comprise executable instructions to:

size said coil length to form a first size to establish one value of said one or more performance characteristics;

size said coil length to form a second size to establish another value of said one or more performance characteristics; and

implement a magnet with either said first size or said second size of said coil length.

23. The computer-readable medium of claim 15 wherein said executable instructions to select said active field pole members comprise executable instructions to:

select contoured pole faces to confront at least a portion of a conical magnet.

24. The computer-readable medium of claim 15 wherein said executable instructions to select said active field pole member comprise executable instructions to:

select contoured pole faces to confront at least a portion of a cylindrical magnet.

25. The computer-readable medium of claim 15 further comprising executable instructions to:

adjust the length of one or more field pole members.

26. The computer-readable medium of claim 15 wherein said executable instructions to size said coil length further comprise executable instructions to:

maintain a wire diameter for said coil.

27. The computer-readable medium of claim 15 wherein said executable instructions to size said coil length further comprise executable instructions to:

maintain a coil diameter for said coil.

28. The computer-readable medium of claim 15 wherein said cross-sectional area is coextensive with a diameter of a stator assembly.