External control variable displacement compressor torque compensating method and system
A technology of torque compensation and compressor, which is applied in the direction of liquid variable displacement machinery, pump control, mechanical equipment, etc. It can solve the problems that it is difficult to achieve high precision and cannot guarantee the comfort of drivers and passengers, so as to improve precision and ensure power output and driving comfort
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[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0046] The invention discloses a method and system for torque compensation of an externally controlled variable-displacement compressor. The method includes: collecting the engine revolution signal by an electronic injection EMS to determine the current engine revolution value; connecting with an air conditioner ECU through CAN communication to determine The current control current and refrigerant pressure values of the externally controlled variable displace...
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