UAV automatic distance measurement and obstacle avoidance Gospel Leddar

Written by: Beijing Duer Runbo Wei Xiaopeng, product contact, company contact number, 18513049908





This module has been successfully applied to auto driving.

The Leddar One sensor module brings a whole new set of innovative solutions that bring innovation to the new dimension of LeddarOne Lidar, providing distance information to a wide range of products to make products smarter. LeddarOne is easy to integrate and almost any system can benefit from its advanced detection and ranging capabilities. The excellent narrow-scattering beam provides detection range and detection accuracy, LeddarOne's compact size, extreme power consumption and high precision give developers and integrators great flexibility to upgrade their products. LeddarOne is ideal for applications such as level sensing, security monitoring and proximity detection.


First, the characteristics:

A.    Beam divergence angle: 3°;

B.    Detection distance: 0-40m (130 feet);

C.    The data acquisition frequency can reach 70Hz;

D.    Highly compact diameter 5cm (2 inches in diameter);

Second, the advantages:

A.    Very reliable performance to adapt to harsh environments;

B.    Not subject to ambient light interference;

C.    No moving parts, high stability;

D.    Easy to integrate, including the Leddar Enabler SDK;

E.    Low power consumption;

F.    High cost performance;

Third, the interface:

Leddar One offers an efficient six-pin interface that includes a 3.3V UART interface or RS-485. The module uses the Modbus protocol to provide a powerful standard registration-access interface for easy configuration and measurement data acquisition, while also providing an interrupt signal to facilitate low-latency data acquisition. Power and interface signals are integrated into one of the standard six-pin 0.1-inch connectors. The RS-485 interface option, in conjunction with the MODBUS protocol, enables the integration of multiple LeddarOne modules on an RS-485 network.

Fourth, other interface options:

LeddarOne's expansion module allows Leddar One to be tailored to the needs of a particular application. For example, the module can provide PNP/NPN, 4-20mA and 0-10V outputs according to requirements; RS-485 interface is available for industrial applications such as liquid level detection.

Fifth, configuration software and development tools:

For ease of development and integration, the LeddarOne module provides the appropriate configuration software (Leddar Configurator) and development tools ( Leddar Enabler SDK). The Leddar Configurator allows users to set up sensors to view, record, and play back module measurement data; the Leddar Enabler SDK includes a sample program and complete source code, and the code can be easily ported to other systems.

Sixth, structural data:

A.    Beam divergence angle: 3°;

B.    Interface: 3.3V UART or RS-485;

C.    Light source: 850nm;

D.    Working voltage: 5V;

E.    Diameter: 50.8mm;

F.    Weight: 14g;

Seven, interface pins:

1—GND

2—IRQ

3-5V

4—RX or RS-485+

5-TX or RS-485-

6-RESET-N

Description: RX/TX=3.3UART

RS-485+/RS-485-=RS-485

Power and interface signals are integrated into one of the standard six-pin 0.1-inch connectors. The RS-485 interface option, in conjunction with the MODBUS protocol, enables the integration of multiple LeddarOne modules on an RS-485 network.

Eight, the relationship between signal amplitude and distance:

Description: The above icon shows the signal amplitude curve of the same sensor for three different sizes and reflection efficiency target detection.

Nine, system performance:

Detection distance: 0-40m (130 feet).

Accuracy: 5cm;

Data refresh rate: up to 70Hz;

Operating temperature range: -45 ° C - +85 ° C;

Compliant with IEC 62471 2006: Exempt lamp classification

Distance accuracy: 5mm;

Distance resolution: 3mm;

Energy consumption: 1.3W

Description: Changes depending on the target of the probe.

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