Feedback control system and feedback control method used for magnetic powder clutch and brake
A technology of feedback control system and magnetic powder clutch, which is applied in the direction of control system, electromechanical brake, electrical components, etc., and can solve problems such as difficult torque correction, low transmission torque or tension, and inability to produce target torque or target tension.
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Embodiment approach 1
[0046] figure 1 It is a block configuration diagram showing a magnetic powder clutch and brake feedback control system according to Embodiment 1 of the present invention. figure 1 Among them, the target torques of the magnetic powder clutches and brakes 1 are set, for example, by a user or the like using the torque setting unit 2 . The transmission torque of the magnetic powder clutch and brake 1 is detected by a torque detector 3 . Here, as a specific detection method of the torque detection part 3, the above-mentioned torque sensor etc. are mentioned.
[0047] In addition, based on the torque detection value detected by the torque detection unit 3 and the target torque set by the torque setting unit 2, the current command unit 11 commands the current flowing through the field coil of the magnetic powder clutch and the brake 1. (current command value) to control the transmission torque of the magnetic powder clutch and brake 1.
[0048] The model name recognition unit 4 re...
Embodiment approach 2
[0088] Figure 12 It is a block configuration diagram showing a magnetic powder clutch and brake feedback control system according to Embodiment 2 of the present invention. Here, an example of the case where the present invention is applied to a tension feedback control system using the magnetic powder clutch and brake 1 , the tension detector, and the control device 10A for the magnetic powder clutch and brake is shown.
[0089] An example of a practical tension feedback control system is the same as the above structure, specifically, using Figure 13 structure as shown. Figure 13 In this method, the transmission torque of the magnetic powder brake provided on the winding frame is detected by the tension detector through the material as the tension.
[0090] Figure 12 Among them, the tension of the material generated by the transmission torque of the magnetic powder clutch and the brake 1 is detected by a tension detection unit 31 such as a tension detector. In addition...
Embodiment approach 3
[0100] In Embodiments 1 and 2 above, the technique of calculating the remaining life of the magnetic powder clutch and brake 1 using the torque degradation data 12 corresponding to each model name of the magnetic powder clutch and brake 1 was described.
[0101] On the other hand, in the third embodiment, a technique is described in which not only the torque degradation data 12 corresponding to each model name of the magnetic powder clutch and brake 1 but also the operating load ratio of the magnetic powder clutch and brake 1 are used. The corresponding torque degradation data is used to calculate the remaining life of the magnetic powder clutch and brake.
[0102] As mentioned above, the degradation of the transmission torque of the magnetic powder clutch and brake 1 is greatly affected by the usage conditions such as the transmission torque and the rotation speed, so by using the torque degradation corresponding not only to the model name but also to the operating load rate ...
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