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Hybrid electric vehicle-used BSG AC motor anti-interference composite controller construction method

A hybrid electric vehicle and composite controller technology, applied in the direction of AC motor control, control system, electrical components, etc., can solve problems such as large workload and system dynamic characteristics limitation, achieve suppression of saturation phenomenon, and facilitate engineering realization and improvement. The effect of dynamic performance

Active Publication Date: 2019-06-07
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The shortcomings of this kind of controller are also obvious. There are multiple PI controllers in the entire control system, and at least six controller parameters need to be tuned, which will bring a lot of workload in practical applications; defects, the dynamic characteristics of the system will be limited

Method used

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  • Hybrid electric vehicle-used BSG AC motor anti-interference composite controller construction method
  • Hybrid electric vehicle-used BSG AC motor anti-interference composite controller construction method
  • Hybrid electric vehicle-used BSG AC motor anti-interference composite controller construction method

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Embodiment Construction

[0020] Such as figure 1 As shown, the BSG motor system 1 is formed first. The 2r / 2s coordinate transformation module 11 , the SVPWM 12 , the inverter module 13 , the BSG AC motor 14 , and the 3s / 2r coordinate transformation module 15 constitute the BSG motor system 1 as a whole. The BSG motor system 1 takes voltage u d , u q As input, take speed ω and current i d i q for output. The two inputs of the 2r / 2s coordinate transformation module 11 are the voltage u d and u q , u d and u q After coordinate transformation, the control voltage u in the two-phase stationary coordinate system is obtained α and u β , the control voltage u α and u β The value is used as the input of the SVPWM regulation module, and its output is the switching pulse signal 0 and 1 (0 represents closing, 1 is opening), and the switching pulse signal is used as the input of the inverter 13, and the output drives the three-phase current i of the BSG AC motor 14 a i b i c . The output of the BSG...

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Abstract

The invention discloses a hybrid electric vehicle-used BSG AC motor anti-interference composite controller construction method. A rotation speed and load torque are used as input of a load compensation controller, and voltage ud1 and uq1 is used as output; an optimal controller gain matrix, a reference rotation speed, reference current, a rotation speed and current id and iq are used as input of astate feedback controller, and voltage ud2 and uq2 is used as output; a rotation speed and current iq are used as input of a voltage decoupling controller, and voltage ud3 and uq3 is used as output;the optimal controller gain matrix is acquired by adopting a controller parameter optimization module; and voltage ud1, uq1, ud2, uq2, ud3, and uq3 is combined as first-part input of a voltage-limiting controller, the global optimal parameters of the state feedback controller are acquired through a flower pollination algorithm, and on the premise of ensuring safety operation of the motor, the maximum voltage supplied to the motor can be effectively improved, and the saturation phenomenon of the controller is suppressed.

Description

technical field [0001] The invention belongs to the technical field of intelligent vehicle control and electric drive control equipment, and in particular relates to a construction method of an AC motor controller for a belt-driven starter generator (BSG for short). Background technique [0002] The electrification of automobiles is a key way for the automobile industry to achieve energy conservation and emission reduction. Energy-saving automobiles using belt-driven starter / generator (BSG) and weak hybrid technology are considered to be one of the best solutions for automobiles to achieve energy conservation and emission reduction at this stage. one. BSG is a hybrid system optimized especially for the idling and instant starting conditions of the transmission vehicle engine. This system can realize the functions of traditional cars in complex urban working conditions such as traffic jams, stopping when the engine is idling while waiting for traffic lights, quickly driving ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P23/00H02P27/08
Inventor 孙晓东胡昌昌陈龙周卫琪杨泽斌李可
Owner JIANGSU UNIV