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Servo controller

A servo controller and servo actuator technology, applied in the directions of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve problems such as single function, inconvenient operation, and complexity, and achieve simplified system structure, simple operation, and optimization. Effects of system design and control

Inactive Publication Date: 2012-03-07
XIAN HUAKE AVIATION TECH
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  • Description
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Problems solved by technology

[0004] The purpose of the present invention is to solve the existing problems of large volume, complexity, inconvenient operation and single function in the existing hydraulic servo control system

Method used

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  • Servo controller
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Embodiment Construction

[0017] In order to solve the problems of large size, complexity, inconvenient operation and single function in the existing hydraulic servo control system, this embodiment provides figure 2 The servo controller shown integrates the functions of data acquisition, conditioning and amplification, and also adds the link of pulse excitation source, which is compatible with figure 1 Compared with the existing hydraulic servo control system shown, no external servo controller (servo driver) is needed to complete the system control, and there is an excitation source inside, and no peripheral equipment is also required, which simplifies the entire system, reduces its volume, and is convenient. It can be directly connected with a computer to realize system control. And the servo controller (servo driver) has at least four physical interfaces, which can realize simultaneous control of multi-channels and multi-parameters (such as force, position, speed, acceleration, etc.). For details, ...

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Abstract

The invention provides a servo controller comprising a servo actuator driving module, a D / A (Digital-to-Analog) conversion module, a real-time control module DSP (Digital Signal Processor), an A / D (Analog-to-Digital) converting module, a signal acquiring and conditioning amplifying circuit module for acquiring signals of a displacement sensor, a force sensor, a speed sensor and a limit switch, a two-port RAM (Random Access Memory) module, a PC(Personal Computer) / 104 interference module, a level translator driving circuit module, a voltage-stabilizing source circuit module and a logic circuit module. The servo controller solves the problems of large size, complexity, inconvenience in operation and single function of the traditional hydraulic servo control system. The electric-hydraulic servo controller integrates data acquiring, processing and amplifying, meanwhile, a pulse excitation source link is additionally provided, and an electric-hydraulic servo actuating system can be directly controlled without addition of external equipment, so that the hydraulic servo control system has the advantages of small size, simplicity in operation and capability of realizing multichannel and multi-parameter simultaneous control.

Description

technical field [0001] The invention belongs to the technical field of electro-hydraulic servo control, and in particular relates to a hydraulic servo controller. Background technique [0002] The electro-hydraulic servo controller is an indispensable control unit of the hydraulic servo control system, and the quality of the controller directly affects the accuracy of the entire hydraulic control system. The controller collects, adjusts, and amplifies the action parameters (such as displacement, force, speed, acceleration) of the actuator and then transmits the control command to the servo valve. The servo valve controls the servo actuator to drive the actuator to complete the specified action. Therefore, the servo controller plays a pivotal role in the system. The working principle of the electro-hydraulic servo controller is to amplify the error signal of the excitation wave signal from the industrial computer and the displacement signal of the actuator and drive the elec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 李康徐凯汪东周景雷
Owner XIAN HUAKE AVIATION TECH
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