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Servo-system analog loading control device

A servo system and control device technology, applied in simulators, electric controllers, general control systems, etc., can solve problems affecting the control performance and loading accuracy of the loading system, and achieve high repetition frequency, wide torque range, and high precision. Effect

Inactive Publication Date: 2008-07-02
NANJING UNIV OF SCI & TECH
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  • Summary
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AI Technical Summary

Problems solved by technology

The existence of excess torque seriously affects the control performance and loading accuracy of the loading system

Method used

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  • Servo-system analog loading control device
  • Servo-system analog loading control device

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Embodiment Construction

[0009] The details and working conditions of the specific device proposed according to the present invention will be described in detail below in conjunction with the accompanying drawings.

[0010] combined with figure 1 , the servo system analog loading control device of the present invention, the output shaft 2 of the servo system 1 is mechanically connected with the torque speed sensor 4, the speed reducer 5, the inertia disk 6, and the loading motor 7 in turn through the shaft connection 3, and the loading motor 7, the motor The driver 8, the torque controller 9, and the instruction computer 10 are connected with electrical signals in sequence, the motor driver 8 is connected with the inverter 11 with electrical signals, and the torque controller 10 is connected with the torque feedback signal 12 and the rotational speed feedback signal 13 output by the torque rotational speed sensor 4 connect.

[0011] Its working process is: command computer 10 as a given link, torque ...

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Abstract

The invention relates to an analog loading system for a servo system. An output shaft of the servo system is mechanically connected with a retarder, an inertia plate and a loading motor in turn via a connecting shaft; wherein the loading motor is connected with a motor driver which is connected with an inverter electric signal, a moment controller is connected with the motor driver and a rotation moment and rotation speed sensor and connected with a command computer, and the rotation moment and rotation speed sensor is arranged on the connecting shaft between the servo system and the loading motor. The invention can simulate any-sized inertial loading and dynamic / static loading with any characteristics. The invention adopts an electrically loading manner under moment, so as to overcome the shortcomings such as difficult turnaround of direct current generator loading and low reliability of magnetic powder clutch loading, and the servo device loading presents no redundant moment. The invention can simulate loading with the advantages of wide moment range, high precision, high repeat frequency and high response speed.

Description

1. Technical field [0001] The invention relates to a control device, in particular to a servo system simulation loading control device. 2. Background technology [0002] For servo systems, due to different working conditions and working environments, the loads on their actuators are also different. The developers of various servo systems have invested a lot of energy in the development of simulated load systems in order to ensure that the developed servo systems can be fully tested on the bench before delivery. The loading methods selected by the previous load simulation system are roughly: DC generator loading, magnetic powder clutch loading, and electro-hydraulic servo device loading. [0003] Among them, in the DC generator loading mode, the armature current is changed by adjusting the resistance value of the slide wire rheostat, and then the torque is changed. Because the armature current is generally large, the rheostat box has large power, large volume and heavy weig...

Claims

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Application Information

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IPC IPC(8): G05B11/32G05B17/02G05D17/02
Inventor 戴跃伟王执铨李军葛龙杜宪
Owner NANJING UNIV OF SCI & TECH
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