Robotic Arm Antenna Directional Control for Wireless Interference
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Solution Overview
Problem
Existing production apparatuses with robotic arms face interference issues in wireless communication due to limited frequency channels, leading to decreased transmission speed and increased waiting times, especially when multiple apparatuses are in close proximity.
Innovation Solution
A production apparatus with a robotic arm equipped with a first and second antenna unit, supported by the arm and a frame body, respectively, allowing directional wireless communication to prevent interference by adjusting the effective direction of the antenna units in conjunction with the arm's operation, ensuring stable communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless communication is used for high-speed signal transmission in robotic arms, then cable durability is improved and adaptability is enhanced, but communication interference occurs between adjacent production apparatuses due to insufficient frequency channels
Solution Approach 1:
The patent applies directional antennas with specific radiation patterns to each production apparatus, creating localized communication zones. The first antenna unit has a directional characteristic oriented in a first direction, while the second antenna unit has a directional characteristic oriented in a second direction different from the first direction. This directional localization allows adjacent apparatuses to communicate wirelessly without interfering with each other, as their communication beams are directed away from neighboring equipment.
Solution Approach 2:
The patent resolves frequency channel scarcity by introducing spatial dimensionality through directional antenna orientation. Instead of competing for limited frequency channels in the same spatial zone, adjacent production apparatuses transmit wireless signals in different directions, effectively creating separate communication channels through spatial separation. This transforms the problem from a one-dimensional frequency resource constraint to a multi-dimensional solution involving both frequency and spatial orientation.
2Reliability
If directional antenna characteristics are used to prevent communication interference, then communication stability is improved, but device complexity increases due to additional antenna units and directional control mechanisms
Solution Approach 1:
The patent divides the wireless communication function into separate antenna units positioned at different locations. The first antenna unit is supported by the robotic arm, while the second antenna unit is supported by the frame body. Each antenna unit has its own directional characteristic optimized for its specific position, allowing independent optimization of communication paths without requiring complex control mechanisms for a single omnidirectional antenna.
Solution Approach 2:
The patent combines multiple antenna units with different directional characteristics into a unified wireless communication system. The first antenna unit and second antenna unit work together to establish reliable communication between adjacent production apparatuses, merging their complementary directional capabilities to achieve overall system reliability without requiring each individual antenna to be omnidirectional.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration enhances wireless communication stability by reducing interference between adjacent production apparatuses, maintaining real-time communication, and shortening production times by eliminating the need for frequency channel searching.
Implementation Method 1
a first antenna unit having a directional characteristic and being supported by the robotic arm... a second antenna unit having a directional characteristic effective in a direction to the first antenna unit... to perform a wireless communication with the first wireless unit through the first and second antenna units
Data Source
AI summary
A production apparatus ensures wireless communication without interference. An antenna portion 310 at a robotic arm includes a transmitting antenna portion 311 having a plurality of transmitting antennas 321 to 328 and a receiving antenna portion 312 having a plurality of receiving antennas 331 to 338. A transmitting side switcher circuit 361 changes over a transmitting antenna to be connected to a transmitter 351 among the plurality of transmitting antennas 321 to 328 in conjunction with an attitude information of the robotic arm, and changes an effective direction of a directional characteristic of the transmitting antenna portion 311. A receiving side switcher circuit 362 changes over a receiving antenna to be connected to a receiver 352 among the plurality of receiving antennas 331 to 338 in conjunction with the attitude information of the robotic arm and changes the effective direction of the directional characteristic of the receiving antenna portion 312.