65results about How to "Reduce output torque fluctuation" patented technology

An imbedded permanent magnet rotor for a direct-current brushless motor, comprising a cylindrical rotor core (A) which is formed by overlying rotor punching plates and is provided with p pairs of strip-shaped permanent magnet grooves (C) and 2p heat-dissipation through holes (B), wherein both the p pairs of permanent magnet grooves (C) and the 2p heat-dissipation through holes (B) are arranged inside the rotor core (A) in the direction of a central shaft of the rotor core (A), and are uniformly distributed around the central shaft of the rotor core (A) at intervals; each of the heat-dissipation through holes (B) is located between two permanent magnet grooves (C); and p pairs of strip-shaped permanent magnets (D) fixedly arranged in the permanent magnet grooves (C), wherein the cross section of each of the permanent magnets (D) is in a trapezoid shape, and p is an integer greater than or equal to 1.

The invention discloses a single-rotor compressor rotating speed control method. The single-rotor compressor rotating speed control method comprises the process of controlling a compressor according to the real-time angular speed and moment; the process of controlling the compressor according to the real-time angular speed comprises the steps of carrying out filtering on an axis error, and obtaining the angular speed compensation amount; compensating the angular speed compensation amount into the output angular speed of a phase-locked loop adjuster, and obtaining the compensated angular speedoutput amount; according to the compensated angular speed output amount, correcting the real-time angular speed, and according to the corrected real-time angular speed, controlling the compressor; the process of controlling the compressor according to the moment comprises the steps of calculating the difference between the target angular speed fluctuation amount and the compensated angular speedoutput amount, obtaining a first angular speed difference value; carrying out filtering on the first angular speed difference value, and obtaining a filtering angular speed; inputting the filtering angular speed into a velocity loop adjuster, and obtaining output torque; and according to the output torque, controlling the compressor. The compressor rotating speed fluctuation inhibition effectiveness can be improved.

The invention discloses a method for controlling the rotation speed fluctuation of an air conditioner compressor, which includes the process of controlling the compressor according to the real-time angular velocity and torque; controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain the angular velocity compensation amount; according to the angular velocity compensation amount Obtaining the compensated angular velocity output; correcting the real-time angular velocity and controlling the compressor according to the compensated angular velocity output; controlling the compressor according to the torque includes: calculating the difference between the target angular velocity fluctuation and the feedback angular velocity to obtain the first angular velocity difference ; Perform filtering processing on the first angular velocity difference to obtain a filtered angular velocity; input the filtered angular velocity to a speed loop regulator to obtain an output torque; obtain a torque compensation amount according to the first angular velocity difference; according to the torque compensation amount and the output torque to obtain a compensated output torque and control the compressor. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

The invention discloses a method for suppressing the rotation speed fluctuation of a single-rotor compressor, including the process of controlling the compressor according to the real-time angular velocity and torque; the process of controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain angular velocity compensation amount; compensate the angular velocity compensation amount to the output angular velocity of the phase-locked loop regulator to obtain the compensated angular velocity output; correct the real-time angular velocity according to the compensated angular velocity output, and control the compressor according to the corrected real-time angular velocity The process of controlling the compressor according to the torque includes: calculating the difference between the target angular velocity fluctuation and the feedback angular velocity to obtain the first angular velocity difference; filtering the first angular velocity difference to obtain the filtered angular velocity; Input to the speed loop regulator to obtain the output torque; control the compressor according to the output torque. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

The invention discloses a method for controlling the rotation speed fluctuation of a single-rotor compressor, including the process of controlling the compressor according to the real-time angular velocity and torque; the process of controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain angular velocity compensation amount; compensate the angular velocity compensation amount to the output angular velocity of the phase-locked loop regulator to obtain the compensated angular velocity output; correct the real-time angular velocity according to the compensated angular velocity output, and control the compressor according to the corrected real-time angular velocity The process of controlling the compressor according to the torque includes: calculating the difference between the target angular velocity fluctuation and the feedback angular velocity to obtain the first angular velocity difference; filtering the first angular velocity difference to obtain the filtered angular velocity; Input to the speed loop regulator to obtain the output torque; control the compressor according to the output torque. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

The invention discloses a method for controlling the rotational speed fluctuation of an air-conditioning compressor, including the process of controlling the compressor according to the real-time angular velocity and torque; controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain the angular velocity compensation; The angular velocity compensation amount obtains the compensated angular velocity output; corrects the real-time angular velocity and controls the compressor according to the compensated angular velocity output; and controls the compressor according to the torque including: calculating the difference between the target angular velocity fluctuation and the feedback angular velocity to obtain the first angular velocity difference; filter the first angular velocity difference to obtain a filtered angular velocity; input the filtered angular velocity to a speed loop regulator to obtain an output torque; obtain a torque compensation amount according to the first angular velocity difference; according to the The torque compensation amount and the output torque obtain the compensated output torque and control the compressor. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

The invention discloses a method for suppressing the rotation speed fluctuation of a compressor, which includes the process of controlling the compressor according to the real-time angular velocity and torque; the process of controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain the angular velocity compensation amount; Compensating the angular velocity compensation amount to the output angular velocity of the phase-locked loop regulator to obtain the compensated angular velocity output; correcting the real-time angular velocity according to the compensated angular velocity output, and controlling the compressor according to the corrected real-time angular velocity; The process of the torque control compressor includes: calculating the difference between the target angular velocity fluctuation and the feedback angular velocity to obtain the first angular velocity difference; filtering the first angular velocity difference to obtain the filtered angular velocity; inputting the filtered angular velocity to The speed loop regulator obtains the output torque; and controls the compressor according to the output torque. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

The invention discloses a method for controlling the rotational speed fluctuation of a single-rotor compressor, including the process of controlling the compressor according to the real-time angular velocity and torque; the process of controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain angular velocity compensation amount; compensate the angular velocity compensation amount to the output angular velocity of the phase-locked loop regulator to obtain the compensated angular velocity output; correct the real-time angular velocity according to the compensated angular velocity output, and control the compressor according to the corrected real-time angular velocity The process of controlling the compressor according to the torque includes: calculating the difference between the target angular velocity fluctuation and the feedback angular velocity to obtain the first angular velocity difference; filtering the first angular velocity difference to obtain the filtered angular velocity; Input to the speed loop regulator to obtain the output torque; control the compressor according to the output torque. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

The invention discloses a method for controlling the rotational speed of a compressor, including the process of controlling the compressor according to the real-time angular velocity and torque; the process of controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain the angular velocity compensation amount; compensating the angular velocity The amount is compensated to the output angular velocity of the phase-locked loop regulator to obtain the compensated angular velocity output; the real-time angular velocity is corrected according to the compensated angular velocity output, and the compressor is controlled according to the corrected real-time angular velocity; the compression is controlled according to the torque The machine process includes: calculating the difference between the target angular velocity fluctuation and the compensated angular velocity output to obtain a first angular velocity difference; filtering the first angular velocity difference to obtain a filtered angular velocity; converting the filtered angular velocity Input to the speed loop regulator to obtain the output torque; control the compressor according to the output torque. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

The invention discloses a speed control method of an air conditioner compressor, which includes the process of controlling the compressor according to the real-time angular velocity and torque; controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain the angular velocity compensation amount; obtaining the angular velocity compensation amount according to the angular velocity compensation amount Compensated angular velocity output; correcting the real-time angular velocity and controlling the compressor according to the compensated angular velocity output; controlling the compressor according to the torque includes: calculating the difference between the target angular velocity fluctuation and the feedback angular velocity to obtain the first angular velocity difference; Perform filtering processing on the first angular velocity difference to obtain a filtered angular velocity; input the filtered angular velocity to a speed loop regulator to obtain an output torque; obtain a torque compensation amount according to the first angular velocity difference; obtain a torque compensation amount according to the torque compensation amount and The output torque obtains the compensated output torque and controls the compressor. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

The invention discloses a method, a device and an automobile for adjusting torque of an automobile. The invention relates to the field of vehicle control. The method includes: receiving a current output torque of a power system; taking the current output torque of the power system as a reference torque, and using a PI torque The adjustment adjusts the reference torque to obtain the target torque. The present invention adjusts on the reference torque. Based on the reference torque and the corresponding output torque at the target vehicle speed, when PI torque adjustment is performed, it is not necessary to select a larger P gain parameter, but only a smaller P gain parameter needs to be selected. It can make the actual output torque of the vehicle reach the target output torque corresponding to the target speed of the vehicle. The selection of the P gain parameter is small, which greatly reduces the output torque fluctuation of the power system, thereby greatly reducing the fluctuation of the vehicle speed and the large speed error of the vehicle. Therefore, the driving experience of the driver is improved, and the method for adjusting the torque of the vehicle of the present invention has high practicability.

The invention discloses a method for controlling the rotational speed fluctuation of a compressor, which includes the process of controlling the compressor according to the real-time angular velocity and torque; the process of controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain the angular velocity compensation amount; Compensating the angular velocity compensation amount to the output angular velocity of the phase-locked loop regulator to obtain the compensated angular velocity output; correcting the real-time angular velocity according to the compensated angular velocity output, and controlling the compressor according to the corrected real-time angular velocity; The process of the torque control compressor includes: calculating the difference between the target angular velocity fluctuation and the feedback angular velocity to obtain the first angular velocity difference; filtering the first angular velocity difference to obtain the filtered angular velocity; inputting the filtered angular velocity to The speed loop regulator obtains the output torque; and controls the compressor according to the output torque. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.

The invention discloses a method improving the stability of the output torque of a clutch in the starting process of an automobile. According to the method, through a special grinding tool, a specific surface of a friction plate of a driven disc of the clutch is ground, the other surface keeps unchanged, and therefore unstable connection of a driving disc and the driven disc of the clutch due to deflection can be eliminated, fluctuation of the friction torque between the driving disc and the driven disc of the clutch in the starting process of the automobile can be effectively reduced, and the shaking phenomenon in the starting process of the automobile can be alleviated. According to the method, a new solution idea and method are proposed, and the output torque of the clutch can be stable. The method is easy to implement and low in cost, and the homogeneity of products can be guaranteed easily.

A high speed stabilizing drive control method of a satellite-borne large inertia load mechanism includes the following steps: (1) powering direct currents on a motor and calculating the phase difference of the motor and a rotary transformer after the load mechanism is stabilized; (2) collecting the current rotating speed of the motor at the current speed ring sampling instant and calculating torque electric currents; (3) collecting the electric currents iA and the electric currents iB of the motor at the current speed ring sampling instant to obtain the harmonic frequency spectrum, the amplitude and the phase of the iA and the iB; (4) conducting harmonic compensation on the iA and the iB; (5) converting the A-phase winding currents and the B-phase winding currents of the motor after compensation under a rotor coordinate system; (6) calculating the two-shaft voltage of the rotor coordinate system; (7) determining the three-phase time value of a PWM waveform generator, wherein a SVPWM waveform generator generates voltage waves according to the three-phase time value, and the voltage waves are loaded on a motor winding to control the motor; (8) entering the next current ring sampling instant, and switching to the step (3) to execute repeatedly; (9) entering the next current ring sampling instant, and switching to the step (2) to execute repeatedly.

The invention discloses a method for controlling the rotational speed of a compressor, including the process of controlling the compressor according to the real-time angular velocity and torque; the process of controlling the compressor according to the real-time angular velocity includes: filtering the shaft error to obtain the angular velocity compensation amount; The angular velocity compensation amount is compensated to the output angular velocity of the phase-locked loop regulator to obtain the compensated angular velocity output; the real-time angular velocity is corrected according to the compensated angular velocity output, and the compressor is controlled according to the corrected real-time angular velocity; according to the torque The process of controlling the compressor includes: calculating the difference between the target angular velocity fluctuation and the output angular velocity of the phase-locked loop regulator to obtain a first angular velocity difference; filtering the first angular velocity difference to obtain a filtered angular velocity; The filtered angular velocity is input to a speed loop regulator to obtain an output torque; the compressor is controlled according to the output torque. By applying the present invention, the effectiveness of suppressing the fluctuation of the rotational speed of the compressor can be improved.