Robot Bus ID Assignment Using Power-State Switching
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Solution Overview
Problem
Existing methods for setting identification numbers in robot components coupled by a bus-type communication wire are time-consuming and cumbersome, requiring external devices for individual setup.
Innovation Solution
A system where a control device writes identification numbers to element components via a bus-type communication wire by switching power states, allowing for simultaneous communication and power supply to components, enabling efficient allocation of unique identification numbers without external devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If an external device is coupled to element components to individually set identification numbers, then identification numbers can be allocated to element components, but the process becomes time-consuming and troublesome
Solution Approach 1:
The control device performs identification number allocation autonomously without requiring external devices. The control device writes identification numbers directly to the storing sections of element components through the bus-type communication wire, enabling the system to serve itself in the identification allocation process.
Solution Approach 2:
The control device serves multiple functions: it controls the operation of element components and simultaneously performs identification number allocation. This multi-functionality eliminates the need for separate external devices dedicated solely to identification setting.
2Ease of operation
If element components are coupled by a bus-type communication wire, then communication between control device and element components is enabled, but individual identification number setting requires external device coupling
Solution Approach 1:
The identification number allocation function is merged with the existing control device and bus-type communication infrastructure. Instead of adding separate external devices for identification setting, the system combines this function with the control device that already manages element components through the bus.
Solution Approach 2:
The identification number allocation capability is extracted from the external device and integrated into the control device. This eliminates the need for external devices while maintaining the ability to allocate identification numbers through the existing bus-type communication wire.
3Productivity
If multiple element components are connected to the bus simultaneously, then communication network is established, but identification number setting becomes cumbersome
Solution Approach 1:
The control device communicates with element components through the bus-type communication wire to allocate identification numbers. The system uses bidirectional communication where the control device writes identification numbers to element components and receives confirmation, enabling efficient batch allocation without manual intervention for each component.
Data Source
AI summary
An identification number setting system includes a first element component including a first storing section, coupled to a first branch communication line branching from a main line of a bus-type communication wire, and coupled to a power supply, a second element component including a second storing section, coupled to a second branch communication line branching from the main line, and coupled to the power supply to be capable of switching energization and disenergization, and a control device coupled to the main line and configured to communicate with the first element component and the second element component. The control device writes a first identification number in the first storing section in a first state and writes a second identification number different from the first identification number in the second storing section after the writing of the first identification number and in a second state.