TL-3CD20 is a high-precision program-controlled matrix traffic-light simulator for autonomous-driving tests and traffic-signal recognition verification. Programmable operation and an extensive pattern library reproduce realistic signals for automotive cameras and autonomous-driving systems, helping verify accurate recognition and rapid responses under varied conditions for improved safety and reliability. Control software: 1. Adjust signal brightness and frequency. 2. Includes 13 common traffic-light patterns and numbers 0-99. 3. Supports user-defined graphics. 4. Sets traffic-signal timing. 5. Saves 26 custom modes.
| Parameter | Value |
| Light Source Type | LED Light |
| LED light angle | 30 ° |
| Light-faced diameter | φ20 |
| Brightness [Adjustable] | 0-100% truncable |
| Brightness - maximum light intensity [±150 Candra / Full Circle, 10m test distance] | 650 ± 150 Kandra |
| Wavelength Range | Yellow lamps: 585 ~ 595 nm; green lamps: 500 ~ 520 nm; red lamps: 610 ~ 630 nm |
| Frame rate/scintillation frequency [/ 1Hz step] | 0-1000 Hz adjustable, 1 Hz step |
| Supporting Graphics | Any graphics, such as numbers, circles, human shapes, bicycles, arrows, forbidden symbols (X), slow Hanja "Stop" |
| Control Method | Touch screen control/USB connection to the top machine |
| Power Supply | 100-240VAC,1.5A,50/60Hz |
| Common traffic light graphics | 13 种 |
| Number Display | 0~99 |
| User-defined graphics and scene mode | Up to 26 |
The traffic light recognition stability test for complex environments uses a control of frame rates and scintillation frequencies to simulate the variability of systems in different cities, villages, and international traffic signals, and to assess the system’s modulation under light interference, frequency flash conditions. Multi-road traffic scene simulations are conducted by building multi-stage traffic light networks with TL-3CD20 cascades to test vehicle-mounted cameras for detection and responsiveness at complex intersections, and in an off-scrutinizing signal environment.
Adjustable signal brightness and flashing frequency. Programmable timing supports flexible tests; switching and saving modes improve efficiency. Select from 13 default traffic patterns, store 26 custom patterns and display numbers 0~99. A broad pattern library supports varied traffic scenarios. Multiple lights can be cascaded into a traffic-signal network. Programmed control and comprehensive API support simplify data exchange and integration. Frame-rate/flashing test frequency is adjustable over 0~1000Hz. A caster-mounted stand supports easy movement and rapid deployment.
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Yanding, as a nationally recognized high-tech enterprise, has always been driven by technological innovation and deeply engaged in the fields of testing equipment and image quality.
The company is headquartered in Zhangjiang Qingpu Park, with its core office base located in Shanghai Zhangjiang Science City, an innovation highland. It has also established R&D and operation centers in Shenzhen, Beijing, and South Korea, building a global technology R&D and service network to efficiently respond to domestic and international customer needs.
For many years, Yanding has focused on technological breakthroughs in the field of image quality. Its main business covers the full-chain R&D, design, manufacturing, and sales of high-precision instruments, high-end mass production equipment, image analysis algorithms, and industrial software. Relying on more than ten years of deep accumulation in core technology fields such as ultra-complex hardware boards and platform-level industrial software, the company has formed full-stack self-research and delivery capabilities from high-precision optical instruments, image quality analysis and calibration algorithms, to motion control software, optical lenses, image acquisition boards, image test charts, and mass production testing equipment, providing customers with end-to-end solutions.
The founding team and core members bring together senior technical management talents from well-known domestic and overseas enterprises, with an average of over 20 years of frontline R&D and operation management experience, and a deep understanding of international cutting-edge technology paths and industry trends. The company has assembled an R&D team composed of talents from famous domestic and overseas universities, highly skilled and continuously pursuing innovation. As of the end of 2024, the company has more than 170 employees, with R&D and technical personnel accounting for over 60%, injecting strong momentum into continuous technological breakthroughs and global market expansion.