Motor drive control apparatus, motor drive control method and program of the same
An electric and cycle control technology, which is applied in the direction of motor generator control, electromechanical brake control, electromechanical transmission device control, etc., can solve the problems of not being able to use the 74 microcomputer without the amplitude comparator, increasing the cost of the electric drive control device, etc.
Active Publication Date: 2008-12-31
AISIN AW CO LTD
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Problems solved by technology
[0014] However, in the conventional driving motor control device described above, since the voltage phase angle β and the switching voltage phase angle βj are compared in the amplitude comparator 74, a general-purpose microcomputer not equipped with the amplitude comparator 74 cannot be used. thus increasing the cost of electric drive controls
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[0029] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, at this time, an electric drive control device used in a drive motor control device as an electric machine control device will be described.
[0030] FIG. 1 is a block diagram showing essential parts of a drive motor control device according to an embodiment of the present invention, and FIG. 3 is a conceptual diagram showing an electric drive control device according to an embodiment of the present invention.
[0031]In the figure, 31 is a driving motor as an electric machine, and this driving motor 31 includes: a rotor not shown that is mounted on an unshown drive shaft of an electric vehicle, such as an electric vehicle, and is freely rotatable; and a stator arranged radially outside of the rotor. The above-mentioned rotor has a rotor core and permanent magnets arranged at equal intervals at a plurality of positions in the circumferential direct...
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The invention provides an electric drive control device, an electric drive control method and its program, which can use a general-purpose comparator as a comparison processing mechanism, and can reduce the cost of the electric drive control device. It has an electric machine, a magnetic pole position calculation processing mechanism, a waveform generation processing mechanism, a switching angle calculation processing mechanism that calculates the switching angle switched in the previous control cycle based on the pulse waveform, and compares the magnetic pole position with the calculated switching angle. A comparison processing mechanism for comparing and generating a comparison signal, and an on or off output processing mechanism for generating a PWM signal based on the comparison signal indicating the comparison result. At this time, since the magnetic pole position is compared with the calculated switching angle and a PWM signal is generated based on the comparison signal, a general-purpose comparator can be used as the comparison processing means.
Description
technical field [0001] The invention relates to an electric drive control device, an electric drive control method and a program thereof. Background technique [0002] In the past, in a driving motor or a generator arranged as an electric machine, a rotor provided with a magnetic pole pair composed of a permanent magnet of an N pole and an S pole is arranged in a freely rotatable manner; in the radial direction of the rotor, A stator or the like having U-phase, V-phase, and W-phase stator coils disposed outside. [0003] And, in order to drive the generator or the drive motor to generate the drive motor torque as the torque of the drive motor or the generator torque as the torque of the generator, the electric drive device is arranged, and in order to control the electric drive device Equipped with electric drive control device. This electric drive control device has a drive motor control device for driving a drive motor and a generator control device for driving a generat...
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IPC IPC(8): H02P21/00H02P6/06H02P6/08
CPCB60L15/025Y02T10/64
Inventor 陈志谦藤原勋
Owner AISIN AW CO LTD