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Robot system based on optical neural network

A robot system and neural network technology applied in the field of mechatronics to achieve high real-time performance, simple structure and low interference

Active Publication Date: 2019-05-07
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The inventors discovered a robotic system based on optical neural networks that has never been seen before

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  • Robot system based on optical neural network

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Embodiment 1

[0045] see figure 1 and figure 2An embodiment of the robot system based on the optical neural network provided by the present invention includes a communication system, an optical neural network central processing system, a control system, an execution system and a sensing system. The communication system includes an external command receiving module and an internal signal transmission module mainly based on optical fiber. The external command receiving module is used to receive external commands transmitted to the robot system. The internal signal transmission module based on the optical fiber network is used to transmit optical signals between various hardware. In order to improve the transmission rate of optical signals, an optical signal amplification device is configured in the optical fiber network. The optical neural network central processing system includes a first light source, a spatial light modulator, a second light source, a central processing optical neural n...

Embodiment 2

[0052] Embodiment 2: The sensing optical neural network and control optical neural network in the present invention can be integrated into the central processing optical neural network, see Figure 5 . The central processing optical neural network also has the functions of computing sensory information, computing control information, and computing current decisions. The output light 203 of the spatial light modulator and the output light 208 of the sensing module are simultaneously used as the input of the central processing optical neural network. The control solution light 205 of the information. Other processes are the same as the robot system in Embodiment 1.

Embodiment 3

[0053] Embodiment 3: The present invention will be further described in detail by taking three execution systems of humanoid robots as examples below;

[0054] In this embodiment, the robot system is a humanoid robot system including upper limbs, lower limbs and eye system, see Figure 6 . The optical neural network central processing system of the robotic system is composed of three central optical neural network subsystems, optical storage devices and an interconnection network. Figure 6 The middle executive system includes upper limb drive system, upper limb mechanical system, lower limb drive system, lower limb mechanical system, eyeball drive system, and eyeball mechanical system. In this robot system, the upper limbs, lower limbs, and eyeball executive systems correspond to three control systems and three sensor systems respectively. The robot system uses a digital micromirror device to load external command information onto the output optical signal of the device.

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Abstract

The invention provides a robot system based on the optical neural network. The robot system comprises a communication system for receiving instructions sent to a robot from the outside, an optical neural network center processing system used for resolving and outputting optical signals carrying decision information, a control system, an execution system and a sensing system, wherein the control system is used for resolving and outputting the optical signals carrying control information and encoding the optical signals into electric signals carrying control information for output, the executionsystem is used for receiving the electric signals carrying the control information and executing corresponding instructions, the sensing system is used for monitoring the execution system and the outer environment and transmitting the sensed sensing information to the optical neural network center processing system in the form of optical signals, and the optical neural network center processing system decides the current robot behavior according to the sensing information. Most of calculating work of the robot system is conducted with the speed of light, the calculating speed is high, and real-time performance is high.

Description

technical field [0001] The present invention relates to the technical field of machinery and electronics, and more specifically, relates to a robot system based on an optical neural network. Background technique [0002] In recent decades, the rapid development of robot technology has greatly promoted the improvement of the quality of human production and life. The rapid development of robots is inseparable from the development of mechanical and electronic technology and the computing and processing capabilities of robots. Among them, the computing power of the robot directly limits the ability of the robot. In recent years, with the increasing complexity of robot application backgrounds, the demand for real-time computing and processing capabilities of robots has also increased. However, established microelectronics technologies face enormous limitations in handling large amounts of data and complex systems in real time. Moore's Law indicates that the number of transisto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/16
Inventor 朱煜张鸣赵家琦王磊杰李鑫
Owner TSINGHUA UNIV
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