Method for controlling movable mechanism based on Hall sensor locating
A Hall sensor and movable mechanism technology, applied in the direction of using feedback control, etc., to avoid damage or jamming, improve accuracy, and improve reliability
Active Publication Date: 2014-02-19
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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[0003] In order to solve the problems existing in the existing movable mechanism control method, the present invention proposes a movable mechanism control method based on Hall sensor positioning
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[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0018] Such as figure 1 As shown, the mobile mechanism control method based on Hall sensor positioning includes the following steps:
[0019] Step 1: Place a Hall sensor at both ends of the controlled range of the movable mechanism; the system controller is connected to the Hall sensor to collect valid or invalid signals of the Hall sensor; the system controller is connected to the motor driver to control the motor driver to generate Motor control signal; the motor driver is connected to the motor to control the rotation of the motor; the motor is connected to the movable mechanism to drive the movable mechanism to move; the movable mechanism is connected to the Hall sensor, and the Hall sensor generates a valid or invalid signal according to the position of the movable mechanism.
[0020] Step 2: Within the moving range of the movin...
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The invention discloses a method for controlling a movable mechanism based on Hall sensor locating, and belongs to the technical field of aerospace movable mechanism control. The method includes the steps that a system controller, two Hall sensors, the movable mechanism, a stepping motor and a motor drive circuit are connected; the corresponding relation between effective initial signals of the Hall sensors and the position of the movable mechanism is determined; if the two Hall sensors at the position corresponding to the current position of the movable mechanism are ineffective, the Hall sensor which is nearer to the target position of the movable mechanism is selected as a locator; if one Hall sensor at the position corresponding to the current position is effective, the Hall sensor is used as the locator; if one Hall sensor at the position corresponding to the current position is effective and the Hall sensor fails to work, and the other Hall sensor is used as the locator; if both the Hall sensors at the position corresponding to the current position are ineffective and the Hall sensor which is nearer to the target position of the movable mechanism fails to work, the other Hall sensor is used as the locator.
Description
technical field [0001] The invention relates to a movable mechanism control method based on Hall sensor positioning, and belongs to the technical field of aerospace movable mechanism control. Background technique [0002] The mobile mechanism has been used more and more in the aerospace field, such as focusing, adjusting the bias current, turntable control, manipulator control, etc. In order to accurately adjust the movable mechanism to the designated position, in addition to requiring a reasonable mechanism design, accurate positioning of the movable mechanism position and a reasonable movable mechanism control method have become the key technologies for accurate control of the movable mechanism in the aerospace field. Due to its small size, light weight, low power consumption, and high reliability, the Hall sensor has been widely used in the aerospace field and has become an important component for locating the position of the movable mechanism. At present, in the field o...
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IPC IPC(8): G05D3/12
Inventor 于涛
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI