In life, many electrical products require high accuracy, especially mechanical control accuracy, such as printers, office equipment, household appliances, bank terminal equipment, entertainment facilities, and so on. All of these devices have one thing in common: They use motors for mechanical motion control, especially for stepper motors. However, in the actual work of stepper motors, there will be some problems. In the stepping motor and the pulse synchronous rotation process, the “out of step†phenomenon may occur due to a sudden speed change or an overload that cannot synchronize with the pulse. And another problem is that stepper motors need to provide extra current to ensure that the motor has a stable working torque margin, but with it is the heat. Because of this, the stepper motors in these devices need to reduce the extra current for the torque margin, and use additional sensors and microprocessors to adjust the complex currents and monitor the motor torque and current feedback in real time. Improve efficiency and reduce heat. The new active gain control AGC technology developed by Toshiba can solve the above problems. The AGC will reduce the extra current for the torque margin and optimize the current control based on the load torque. Can prevent stall and reduce heat, thus achieving efficient motor control. Take advantage of Toshiba AGC The traditional solution is to use a microcontroller to control the current required by the motor, but the current is constant in any case and there is no torque detection. Therefore, when the load torque is small, the corresponding margin increases and the power loss is greater than required. Toshiba's new AGC adds torque detection, which optimizes the motor current based on the load torque and ensures efficient operation by limiting the excess current to the minimum value. Traditional solutions require measurement of the amount of heat generated, and the built-in MOSFET resistance can also be affected by heat problems. In order to maintain the required value, it is necessary to limit the torque margin. As shown in the above figure, Toshiba's new AGC does not need to measure the amount of heat generated. At the same time, it can also reduce the load on the MCU control system. Because AGC can adjust the motor current according to the required torque to reduce the heat generation, it can greatly reduce the power consumption of the system. Product List Stylus Pen For Microsoft Surface Product catagories of Stylus Pen For Microsoft Surface, which just can be worked on below Surface model, Please confirm your surface model before buying.
Microsoft Surface 3; Microsoft Surface Pro 3; Microsoft Surface Pro 4; Microsoft Surface Pro 5; Microsoft Surface Pro 6; Microsoft Surface Book; Microsoft Surface Laptop; Microsoft Surface Studio.
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