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A Quick Position Homing Method for Turntable with Limit

A zero-seeking and position-limiting technology, applied in the direction of control using feedback, can solve problems such as shortening the position zero-seeking time, zero-seeking failure, etc., and achieve the effect of improving the zero-seeking efficiency.

Active Publication Date: 2019-02-01
BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing method is prone to zero-finding failure during the zero-finding process of the turntable position, and provides a method by reasonably setting the number of sensors and installation methods, and supplemented by a reasonable control algorithm design, which is not affected by the initial turntable. Position limit, shorten the time of position homing, and ensure that the homing work can be completed at one time, a fast position homing method for the turntable with limit

Method used

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  • A Quick Position Homing Method for Turntable with Limit
  • A Quick Position Homing Method for Turntable with Limit
  • A Quick Position Homing Method for Turntable with Limit

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] A method for quickly finding zero for a turntable with a limit, specifically comprising the following steps:

[0030] The first step is to set the limit.

[0031] Simplify the position range of the turntable into a horizontal coordinate axis, positive to the right and negative to the left; the value of the entire position range is set to A°, the midpoint is taken as the 0° position, and the positive first-level limit 5 is located at (+A / 2)°, the positive secondary limit 6 is on the right side of the positive primary limit; similarly, the negative primary limit 2 is at (-A / 2)°, and the negative secondary limit Bit 1 is to the left of the negative secondary limit.

[0032] The second step is to zero the position.

[0033] 2.1 The homing state of the first position

[0034] The homing state of the first position is as figure 1 As shown, the ze...

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Abstract

The invention belongs to the field of high-precision servo control, particularly relates to a fast position zero-searching method targeted for a turntable with limiting positions, and aims to solve the problem that zero-searching failure is prone to occur when adopting the existing method in the turntable position zero-searching process. The fast position zero-searching method is characterized by comprising the steps of limiting position setting and position zero-searching. The fast position zero-searching method targeted for the turntable with the limiting positions can achieve the effects that: 1, the method can be used for completing position zero-searching operation at arbitrary initial positions without being limited in a zero-searching region; 2, the zero-searching can be completed through one-time powering on, the situation that a zero position cannot be found does not occur, and the zero-searching efficiency is improved; 3, and different zero-searching paths are designed according to different states, thereby realizing the optimal zero-searching path.

Description

technical field [0001] The invention belongs to the field of high-precision servo control, and in particular relates to a fast position zero-seeking method for a turntable with a limit. Background technique [0002] The present invention relates to a fast position zeroing method for a turntable with a limit, where the turntable mainly refers to precision instruments and equipment used to provide position and speed references for inertial devices, seekers, star sensors, etc., and is also referred to as It is called inertial device test equipment, not similar equipment that can realize rotation in the field of industrial equipment. The reason why this fast homing method is proposed is that the current turntable often uses incremental position sensors as feedback components, such as incremental encoders, incremental induction synchronizers, etc., and this type of turntable system must be position-seeking before operation. Zero work, otherwise it cannot continue running. Altho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D3/12
Inventor 刘亚辰麦吉张新磊唐声权高扬逯海曹玉梅张俊秀
Owner BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH
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