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A system includes a compressor and a control system. The control system includes a processor and associated memory. The control system is configured to receive feedback comprising a thermodynamic characteristic or a mechanical characteristic of the compressor. Also, the control system is configured

A system includes a compressor and a control system. The control system includes a processor and associated memory. The control system is configured to receive feedback comprising a thermodynamic characteristic or a mechanical characteristic of the compressor. Also, the control system is configured to generate an indication of a surge event or a stall event in the compressor based on the feedback.

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1. A system, comprising: a monitor system configured to receive measurements indicative of operational, thermodynamic, and mechanical characteristics of a compressor, wherein the mechanical characteristics comprise vibration characteristics of a component of the compressor, and to generate a compres

1. A system, comprising: a monitor system configured to receive measurements indicative of operational, thermodynamic, and mechanical characteristics of a compressor, wherein the mechanical characteristics comprise vibration characteristics of a component of the compressor, and to generate a compressor stability indication based on the thermodynamic and mechanical characteristics; anda control system configured to receive the compressor stability indication and to generate a response to the compressor stability indication. 2. The system of claim 1, wherein the thermodynamic characteristics comprise at least one of a fluid temperature, a fluid pressure, a fluid flow characteristic, or a combination thereof, of the compressor or a system having the compressor. 3. The system of claim 1, wherein the vibration characteristics comprise a frequency of vibration of the component of the compressor and wherein the mechanical characteristics comprise at least one of the frequency of vibration, a frequency of displacement, or a combination thereof. 4. The system of claim 3, wherein the mechanical characteristics comprise the position of a drive shaft of the compressor and the thermodynamic characteristics comprise calculations resulting from measurements of the compressor. 5. The system of claim 1, wherein the response to the compressor stability indication is generated automatically by the control system in real-time. 6. The system of claim 1, wherein the compressor stability indication comprises a compressor stall event. 7. The system of claim 6, wherein the response of the control system comprises an updating control action configured to update a compressor performance map to include a representation of the compressor stall event. 8. The system of claim 1, wherein the compressor stability indication comprises a compressor surge event. 9. The system of claim 8, wherein the response of the control system comprises an updating control action configured to update a compressor performance map to include a representation of the compressor surge event. 10. A system, comprising: a compressor;a thermodynamic and mechanical monitor system configured to receive measurements indicative of a thermodynamic characteristic and a mechanical characteristic of the compressor and to generate an indication of a surge event and a stall event in the compressor based on the thermodynamic and mechanical characteristics, wherein the mechanical characteristic comprises a subsynchronous vibration frequency of the compressor; anda control system configured to receive the indication of surge and stall events and to generate a response to the indication of surge and stall events. 11. The system of claim 10, comprising a filter configured to filter the mechanical characteristic of the compressor to isolate the subsynchronous vibration frequency of the compressor. 12. The system of claim 11, comprising a comparator configured to determine if the subsynchronous vibration frequency of the compressor exceeds a threshold and to generate the indication of the stall event when the subsynchronous vibration frequency of the compressor exceeds the threshold. 13. The system of claim 12, wherein the response of the control system comprises an updating control action configured to update a compressor performance map to create a surge control line defining the minimum allowable steady-state flow through the compressor. 14. The system of claim 10, comprising a rate of change detector configured to generate a percentage rate of change of the mechanical characteristic of the compressor related to thrust bearing position or other displacement measurements. 15. The system of claim 14, comprising a comparator configured to determine if the percentage rate of change of the mechanical characteristic of the compressor exceeds a first threshold and to generate the indication of the surge event when the the percentage rate of change of the mechanical characteristic of the compressor exceeds the first threshold and the thermodynamic characteristic of the compressor exceeds a second threshold. 16. The system of claim 15, wherein the response of the control system comprises an updating control action configured to update a compressor performance map to create a surge control line defining the minimum allowable steady-state flow through the gas turbine compressor. 17. A system, comprising: a compressor; anda control system comprising a processor and associated memory, wherein the control system is configured to receive feedback comprising a thermodynamic characteristic and a mechanical characteristic of the compressor, wherein the mechanical characteristic of the compressor is related to a vibration characteristic of at least one component of the compressor, and the control system is configured to generate an indication of a surge event or a stall event in the compressor based on the feedback. 18. The system of claim 17, wherein the associated memory comprises at least one threshold value updated in response to the indication of a surge event. 19. The system of claim 17, wherein the associated memory comprises at least one threshold value updated in response to the indication of a stall event. 20. The system of claim 17, comprising a workstation comprising a display for display of a compressor performance map, wherein the control system generates a signal to update the compressor performance map in real-time upon generation of the indication of the surge event or the stall event in the compressor.