GB/T 18759.5-2016 in English
VALIDElectrical equipment of machines—Open numerical control system—Part 5: Software platform
- Issued on:2016-04-25
- Implemented on:2016-11-01
- File Format:PDF
- Delivery:Via email within 5 business days
$621.00
| Standard No: | GB/T 18759.5-2016 |
| Document status: | VALID |
| Title in English: | Electrical equipment of machines—Open numerical control system—Part 5: Software platform |
| Title in Chinese: | 机械电气设备 开放式数控系统 第5部分：软件平台 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2016-04-25 |
| Implemented on: | 2016-11-01 |
| Professional Classification: | GB-National Standard |
| Related Keywords: | real-time operating system coordinate system conversion function
numerical control system part real-time operating system three-layer software platform model software platform introduction analysis |
| Related Topics: | CNC
mechanical electrical equipment GBT18759.5 GB/T 18759.5-2016 CNC macro software |
《GB/T 18759.5-2016机械电气设备 开放式数控系统 第5部分：软件平台》由TC231（全国工业机械电气系统标准化技术委员会）归口，主管部门为中国机械工业联合会。
Introduction
Analysis of the core architecture of the standard
GB/T 18759.5-2016 builds a three-layer software platform model consisting of an application programming interface, middleware and real-time operating system. This model isolates the hardware platform from the application software through standardized interfaces, meeting the requirements of portability and interoperability.
Comparison of key technical components
| Component type | Core function | Interface example |
|---|---|---|
| Real-time operating system | Task scheduling/interrupt management | rtapi_task_new() |
| Communication middleware | Inter-process communication | rtapi_shmem_new() |
| Kinematics module | Coordinate transformation | kinematicsForward() |
| Mathematical library | Interpolation calculation | tp_AddLine() |
Data type specification
The standard defines 15 basic data types and 6 derived types, among which:
- BOOL type uses single-byte storage (0/1 encoding)
- LREAL type uses 8-byte IEEE754 floating-point format
- Structures support nested definitions (≤3 levels)
Typical application case
In the development of the interpolation module, it is necessary to call the following at the same time:
- REAL type operation interface of the math library
- Periodic task management API of the real-time operating system
- Coordinate system conversion function of the kinematics module
Implementation suggestions
1. Priority design: Real-time tasks should be configured as preemptive scheduling
2. Memory management: Strict boundary checks are required for bit string types such as DWORD
3. Compatibility testing: The API interface must remain unchanged when upgrading middleware
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