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ATO High Performance BLDC Motor Controller
We all know that brushless DC motor with Hall sensor can inspect the Hall position, and the speed will also have an error of around 5%, then can stable speed be realized? Indeed, Hall itself could not realize it. There is a kind of speed stabilizing controller of loop-locked current, which is used to regulate the current, so as to adapt to different load changes, thus maintaining a relatively stable speed. However, it could not guarantee that the speed will never change, instead it only tries to maintain the stable speed.
In the following paragraph, we will recommend a ATO brushless DC motor controller with PID control of the current speed.
ATOBLD-100 controller uses the leading motor current precision inspection technology, speed detection by the inductive brushless motor, revolving position detection by the inductive brushless motor, regenerated current continuous current braking(or braking) technology and strong PID regulation technology, so that the motor can be perfectly controlled of the positive and negative revolving of the motor, commutation and braking, real-time regulation of the output current, thus preventing from overcurrent, controlling the revolving speed and revolving position accurately, having short response speed and small recoil force.
ATOBLD-100 is a powerful brushless DC controller, with closed-loop control of the speed/position. The drive itself also has special functions. The motor phase line and Hall signal wire can be randomly connected. The limit switch is also connected in the outside, so that it can operate back and forth in a certain distance. This controller can drive 110mm flange size series such as 1000W or 1500W brushless DC motor.
Acceleration and deceleration control of the motor
It adopts the soft start of automatically adjustable current and automatically controlled acceleration. The motor can be started rapidly and stably with low recoil force. The acceleration and deceleration time, acceleration and deceleration speed configuration are supported.
Motor braking control
The dynamic braking means of automatic current regulation enables the motor to have short braking time and no fierce impact vibration. The braking current configuration is supported.
Motor commutation control
The commutation switchover process of the motor is controlled by the driver. It conducts speed reduction, soft brake and soft start controls automatically. No matter how frequently the commutation signal changes, it will never cause the driver or motor damage.
Stable speed control of the motor
Through detecting the revolving speed and revolving position by Hall signal, PID regulation algorithm can be used for closed-loop control. It supports two stable speed control algorithms of speed closed-loop control and time-position closed-loop control. The speed closed-loop mode has the characteristics of stable speed control and small overstrike in high speed. However, in low speed, the speed control might be not stable. The time-position closed-loop control mode is applicable to the control requirements having revolving the same angle in the same period when several drivers control more than one motors, and it is also suitable for the ultra-low speed control.
Motor position control
Hall signal detects the revolving position. PID regulation algorithm is used for the closed-loop control of the position, and the braking resistance is used for speed reduction.
Motor torque control
Because the motor torque has the approaching linear relationship with the current, this driver adopts the current stabilizing output control means to realize the motor torque control. The user realizes the control of the motor torque through regulating the output current.
Motor overload and locked-rotor protection
When the motor has overload, the driver will have current-limiting output and protect the motor effectively. When the motor has blockage, the driver can detect the state and brake the motor.
Inner interference suppression
In order to ensure the accuracy of the motor loop current measurement, through interference attenuation and consumption, transient interference suppression coupling between the driving circuit and controlling circuit, the circuit shall be guaranteed to be not affected by the driving motor interference.
External interference suppression
ESD protection of all interfaces is realized through ESD protective device and static bleeder circuit, so as to resist the external interference, ensuring that the inner circuit can operate stably and the inner component will not be damaged by the transient high-voltage static exerted on the interface.
In the following paragraph, we will recommend a ATO brushless DC motor controller with PID control of the current speed.
ATOBLD-100 controller uses the leading motor current precision inspection technology, speed detection by the inductive brushless motor, revolving position detection by the inductive brushless motor, regenerated current continuous current braking(or braking) technology and strong PID regulation technology, so that the motor can be perfectly controlled of the positive and negative revolving of the motor, commutation and braking, real-time regulation of the output current, thus preventing from overcurrent, controlling the revolving speed and revolving position accurately, having short response speed and small recoil force.
Acceleration and deceleration control of the motor
It adopts the soft start of automatically adjustable current and automatically controlled acceleration. The motor can be started rapidly and stably with low recoil force. The acceleration and deceleration time, acceleration and deceleration speed configuration are supported.
Motor braking control
The dynamic braking means of automatic current regulation enables the motor to have short braking time and no fierce impact vibration. The braking current configuration is supported.
Motor commutation control
The commutation switchover process of the motor is controlled by the driver. It conducts speed reduction, soft brake and soft start controls automatically. No matter how frequently the commutation signal changes, it will never cause the driver or motor damage.
Stable speed control of the motor
Through detecting the revolving speed and revolving position by Hall signal, PID regulation algorithm can be used for closed-loop control. It supports two stable speed control algorithms of speed closed-loop control and time-position closed-loop control. The speed closed-loop mode has the characteristics of stable speed control and small overstrike in high speed. However, in low speed, the speed control might be not stable. The time-position closed-loop control mode is applicable to the control requirements having revolving the same angle in the same period when several drivers control more than one motors, and it is also suitable for the ultra-low speed control.
Motor position control
Hall signal detects the revolving position. PID regulation algorithm is used for the closed-loop control of the position, and the braking resistance is used for speed reduction.
Motor torque control
Because the motor torque has the approaching linear relationship with the current, this driver adopts the current stabilizing output control means to realize the motor torque control. The user realizes the control of the motor torque through regulating the output current.
Motor overload and locked-rotor protection
When the motor has overload, the driver will have current-limiting output and protect the motor effectively. When the motor has blockage, the driver can detect the state and brake the motor.
Inner interference suppression
In order to ensure the accuracy of the motor loop current measurement, through interference attenuation and consumption, transient interference suppression coupling between the driving circuit and controlling circuit, the circuit shall be guaranteed to be not affected by the driving motor interference.
External interference suppression
ESD protection of all interfaces is realized through ESD protective device and static bleeder circuit, so as to resist the external interference, ensuring that the inner circuit can operate stably and the inner component will not be damaged by the transient high-voltage static exerted on the interface.
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