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Robot joint jointly driven by double brushless direct current motors connected in parallel and control method thereof

A brushed DC motor, robot joint technology, applied in multiple motor speed/torque control, electric components, manipulators, etc., can solve the problems of slow movement speed and high ground requirements, achieve large instantaneous explosive force, easy maintenance, system Highly integrated effects

Pending Publication Date: 2019-05-21
NANJING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditionally, a single motor is used to drive the joints of the robot, the movement speed is slow, and at the same time, it has high requirements on the ground of the use environment, especially the robot with only two feet

Method used

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  • Robot joint jointly driven by double brushless direct current motors connected in parallel and control method thereof
  • Robot joint jointly driven by double brushless direct current motors connected in parallel and control method thereof
  • Robot joint jointly driven by double brushless direct current motors connected in parallel and control method thereof

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Experimental program
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Embodiment Construction

[0020] The technical scheme of the present application is described in detail below in conjunction with accompanying drawing:

[0021] Such as figure 1 As shown, a robot joint driven by double brushless DC motors in parallel includes two long connecting rods 6, one end of the two long connecting rods 6 is connected by a fixed screw 7, and the other end is fixed to one end of the short connecting rod 4 respectively. The bolts 5 are connected, the other end of each short connecting rod 4 is connected with a brushless DC motor 2, the outer end surface of each brushless DC motor 2 is fixed with a motor driver 3, and a connecting rod is arranged between the two brushless DC motors 2 1.

[0022] Such as figure 2 As shown, the bearing of the brushless DC motor 2 of the present application absorbs the magnetic steel 8 near the end of the motor driver 3 , and the motor driver 3 is provided with a magnetic encoder 9 .

[0023] Such as figure 2 As shown, the magnetic encoder 9 of t...

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Abstract

The invention discloses a robot joint jointly driven by double brushless direct current motors connected in parallel and a control method thereof, and relates to the technical field of robot joint devices. The robot joint jointly driven by double brushless direct current motors connected in parallel comprises two long connecting rods, wherein one ends of the two long connecting rods are connectedthrough a fixing threaded rod, the other ends of the two long connecting rods are correspondingly connected with one ends of short connecting rods through fixing bolts, each of the other ends of the short connecting rods is connected with one brushless direct current motor, motor drivers are correspondingly fixed to the outer end faces of the brushless direct current motors, and a connecting rod is arranged between the two brushless direct current motors. According to the robot joint jointly driven by the double brushless direct current motors connected in parallel and the control method thereof, the purposes that the structure is simple, the operation is convenient, the maintenance is simple, and the cost is saved are realized.

Description

technical field [0001] The present application relates to the technical field of robot joint devices. Background technique [0002] With the development of automation and informatization, the use of transmission devices to control the autonomous movement of robots has been vigorously developed. Robots can be applied to a wide range of scenarios, especially where the site environment is harsh and it is not convenient for manual operation. During the movement of the robot, there are certain requirements for the stability and flexibility of its joints. Traditionally, a single motor is used to drive the joints of the robot, and the movement speed is slow. At the same time, it has high requirements on the ground of the use environment, especially the robot with only bipeds. Contents of the invention [0003] The purpose of this application is to provide a robot joint driven in parallel by double brushless DC motors with simple structure, convenient operation, simple maint...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J17/00H02K11/21H02P6/04
Inventor 谢一宾乔贵方
Owner NANJING INST OF TECH
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