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Cradle head control method and device

A technology of control device and pan/tilt, which is applied in control system, motor generator control, TV, etc. It can solve the problems of monitoring scene deviating from the target area of ​​monitoring, motor out of step, and no solution proposed.

Active Publication Date: 2017-01-18
HANGZHOU HIKVISION DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, some accidental or malicious damage, such as artificially forcing the motor to stall or other reasons lead to stalling, resulting in motor out-of-step, because the existing technology cannot detect the out-of-step of the motor in time and solve the problem of out-of-step, resulting in monitoring The scene deviates from the target area of ​​monitoring, making it impossible for the camera to capture pictures from normal angles
[0004] For the above problems, no effective solution has been proposed

Method used

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  • Cradle head control method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] figure 1 A kind of pan-tilt control device provided for this embodiment, such as figure 1 Shown, comprise the motor 101 that controls pan tilt to rotate, and this device also comprises:

[0023] The absolute encoder 102 is used to acquire the initial position information of the pan-tilt, and acquire the real-time position information of the pan-tilt after the motor performs a control action.

[0024] Wherein, the control action includes: controlling the motor to rotate or stand by.

[0025] It should be noted that the absolute encoder can be a Hall sensor or a photoelectric encoder, which can detect the angular displacement of the motor at 360 degrees. The absolute encoder can collect the initial position information of the motor and real-time position information, and send the acquired real-time position information and initial position information to the main processor, and the motor in this embodiment may be a stepping motor.

[0026] The main processor 103 is use...

Embodiment 2

[0049] image 3 It is a kind of pan-tilt control method according to this embodiment, such as image 3 As shown, the execution subject of this embodiment can be the above-mentioned Figure 1 to Figure 2 Described cloud platform control device, this method comprises:

[0050] Step S302, acquiring the initial position information of the pan / tilt.

[0051] Step S304, after the motor executes the control action, obtain the real-time position information of the pan / tilt.

[0052] Wherein, the control action includes: controlling the motor to rotate or stand by.

[0053] Step S306, read the initial position information and the real-time position information, and determine whether to control the motor to perform a predetermined action corresponding to the control action according to the initial position information and the real-time position information.

[0054] It should be noted that the initial position information in this embodiment may be the position information after the ...

Embodiment 3

[0070] Figure 4 It is a kind of pan-tilt control method provided according to this embodiment, such as Figure 4 As shown, the method includes the following steps:

[0071] Step S401, the pan-tilt control device receives a control signal, and controls the motor to perform the control action corresponding to the control signal.

[0072] Wherein, the control action includes a standby action or a turning action.

[0073] When the motor performs a standby action, execute steps S402 to S405;

[0074] When the motor performs a rotation action, step S406 to step S410 are executed.

[0075]Step S402, the pan / tilt control device acquires the initial position information of the motor at the initial moment of standby.

[0076] Step S403, after the pan / tilt control device executes the standby action, obtains the real-time position information of the motor.

[0077] Step S404, when the pan / tilt control device determines that the difference between the real-time position information a...

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Abstract

The invention discloses a cradle head control method and device. The cradle head control device comprises a motor used for controlling a cradle head to rotate, an absolute encoder and a main processor, wherein the absolute encoder is used for obtaining initial position information of the cradle head and acquiring real-time position information of the cradle head after the motor executes a control action, and the control action comprises controlling the motor to rotate or stay at a standby state; and the main processor is used for reading the initial position information and the real-time position information, and determining whether to control the motor to execute a predetermined action corresponding to the control action or not according to the initial position information and the real-time position information. The cradle head control method and device disclosed by the invention solve a technical problem of step out of the motor.

Description

technical field [0001] The present invention relates to the field of pan-tilt control, in particular to a pan-tilt control method and device. Background technique [0002] Today, as the security industry continues to mature, various PTZ cameras continue to appear. Now, the motors in the horizontal and vertical directions of most gimbals use stepper motors, and they all have their own zero point switches. They monitor the target areas of various places with different attitudes (that is, horizontal and vertical angles). [0003] However, some accidental or malicious damage, such as artificially forcing the motor to stall or other reasons lead to stalling, resulting in motor out-of-step, because the existing technology cannot detect the out-of-step of the motor in time and solve the problem of out-of-step, resulting in monitoring The scene deviates from the target area of ​​monitoring, making it impossible for the camera to capture images from normal angles. [0004] For the...

Claims

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Application Information

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IPC IPC(8): H04N7/18H04N5/232H02P8/38
Inventor 刘重斌
Owner HANGZHOU HIKVISION DIGITAL TECH
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