System and method for limiting input voltage to a power delivery system having regeneration capability
View Patent ↗A system and method for limiting input voltage to a power delivery system having regeneration capability. According to various embodiments, the system includes a regulator having a multiple input variables and at least one output variable; and an accumulator in communication with the regulator wherein the accumulator presets the output of the regulator to facilitate a quick output as well as accumulates error values related to the multiple input variables and facilitates a change by the regulator to the at least one output variable based upon the accumulated values.
1. A system for limiting input voltage to a power delivery system having regeneration capability, the system comprising:
a regulator having a plurality of input variables and at least one output variable;
an accumulator in communication with the regulator, the accumulator configured to output a preset output variable at the regulator to facilitate a faster output at the regulator at a specific moment in time, wherein the accumulator is further configured to accumulate values related to the plurality of input variables and facilitates a change by the regulator to the at least one output variable based upon the accumulated value; and
a drive controller in communication with the regulator, the drive controller receiving the output variable from the regulator and performing a specific function in response to the output variable.
2. The system of claim 1 , wherein said accumulator further accumulates error values associated with the plurality of input variables.
3. The system of claim 2 , wherein said error values indicate the current performance of said power delivery system.
4. The system of claim 1 , wherein said plurality of input values comprises at least one of an input power reference, a drive input power feedback, and a torque current reference.
5. The system of claim 1 , wherein said output value comprises an output torque reference.
6. The system of claim 5 , wherein said output torque reference is used to control a motor.
7. The system of claim 1 , wherein said accumulator is integral with said regulator.
8. A method for limiting input voltage to a power delivery system having regeneration capability, the method comprising:
determining a drive input power value;
determining an Erms value, wherein the Erms value is based upon an input voltage;
at a regulator, determining a maximum power value based on the Erms value;
outputting a preset drive output torque reference from an accumulator to facilitate an output variable from the regulator at a specific moment in time;
determining an error value based on the maximum power value and the drive input power value at the accumulator and passing the error value to the regulator;
processing the error value at the regulator and limiting the torque reference value based on the error value; and
processing said output torque reference at a drive controller and performing a specific function in response to the output variable.
9. The method of claim 8 , wherein further comprising summing said error value at an accumulator over a period of time.
10. The method of claim 9 , wherein said limiting the torque reference value is based upon said summed error value.
11. The method of claim 8 , further comprising determining a maximum and minimum level for said torque reference value.
12. The method of claim 11 , further comprising comparing said error value against a predetermined error value, and limiting the torque reference value based upon a result of the comparison.
13. A system for limiting input voltage to a power delivery system having regeneration capability, the system comprising:
a regulator having a plurality of input variables mid at least one output variable, wherein the regulator determines a maximum power value based on the plurality of input values;
an accumulator in communication with the regulator, the accumulator configured to output a preset output variable at the regulator to facilitate a faster output at the regulator at a specific moment in time, wherein the accumulator is further configured to accumulate values related to the plurality of input variables and facilitates a change by the regulator to the at least one output variable based upon the accumulated value; and
a drive controller in communication with the regulator, the drive controller receiving the output variable from the regulator and performing a specific function in response to the output variable.
14. The system of claim 13 , wherein the plurality of input values comprises at least one of an input power reference, a drive input power feedback, and a torque current reference.
15. The system of claim 13 , wherein said output value comprises an output torque reference.
16. The system of claim 15 , wherein said output torque reference is used to control a motor.
17. The system of claim 13 , wherein said accumulator is integral with said regulator.