Solid State LiDAR CE30-A for Robots AGV Autonomous Vehicles Anti-Collision


CE30-A is a solid-state infrared LiDAR that is developed based on the ToF principle. Equipped with its special hardware design, it can complete the measurement of wide horizontal FOV and output the grey and depth information at the same time.

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Solid-State LiDAR CE30-A for Robots AGV Autonomous Vehicles Anti-Collision

Solid-state LiDAR Benewake CE30-A Obstacles Detection Sensor/Distance Measurement Wide FOV 3D LiDAR for Robots AGV Mobile Robotics Autonomous Vehicles Anti-collision. CE30-A is a solid-state infrared LiDAR which is developed based on the ToF principle. Equipped with its special hardware design, it can complete the measurement of wide horizontal FOV and output the grey and depth information at the same time.

With its specially optimized obstacle avoidance mode, the detecting area of interest can be set. The single-point projection distance information of the nearest distance point could be transferred through CANBUS. Compared with single-line scanning LiDAR, CE30-A does not contain any rotating components, which could ensure reliability, durability, and a wider vertical detecting range.

CE30-A Specifications:

Method: Time of flight
Peak Wavelength: 850nm
FoV: 132*9 degree
Pixel Resolution: 320*24
Frame Rate: 20fps
Ranging Resolution: 1cm
Detecting Range: 0.1~4m
Repeatability(1σ): ≤3cm
Accuracy: ≤5cm
Ambient Light Resistance: 60k lux
Data Interface: CAN
Operating Temperature: 0~50ºC
Supply Voltage: DC 12V(≥2A)
Power Consumption: ≤4.5W
Dimensions: 79*47*50mm
Enclosure Rating: IP65
Eye Safety Class: Risk group 0 in accordance with EN 62471
Weight: 216g

Principle of Ranging:

The ranging principle of CE30-A is based on Time of Flight (TOF). CE30-A emits modulated near-infrared light, which will be reflected by the object and received by CE30-A again. CE30-A calculates the phase difference and time difference between the emitted and received light, which will be further converted to the clearance of the shot scene.

Detection Range: 0.1-4m.
FoV: 132*9 degree
Pixel Resolution: 320*24
Accuracy: Centimeter-level (1% Relative error).
Frame Rate: 20fps.
Enclosure Rating: IP65.
Anti-ambient light: Function under 60k Lux ambient light.
Power: 12VDC(≥2A)

Figure 1 – Illustration of the CE30-A Detecting area. Compared with single-line LiDAR, CE30-A has a wider vertical FOV and therefore is able to identify obstacles in front.

Figure 2 – Illustration of Real Detecting Area; Depth image (left) and corresponding grey image (right). In practical use, some rod-type objects are clearly visible (such as table leg).

Figure 3 – Application in obstacle avoidance mode. Compared with the single horizontal detection of the 2D Scan LiDAR (Check the red line), the CE30-A can better avoid the low obstacles on the ground.

In the working mode, CE30-A could detect all positions within the detecting range (within the detecting FOV) and return the distance information. The results of distance and detecting areas are shown in Figure 4.

The farthest detecting range of each angle has been optimized for general obstacle avoidance scenarios, which is different from the regular detecting range. The schematic diagram is shown in Figure 5 (Customization is available for special requirements).

2. Description of Obstacle Avoidance
2.1. Obstacle Avoidance Mode

The obstacle avoidance mode of CE30-A is specially developed for the robot obstacle avoidance application. Under this mode, CE30-A will select out the most critical obstacle for the robots and provide the information to the robots. The principle of the obstacle selection is as follows: CE30-A selects the nearest obstacle to LiDAR and handles detecting resources and computing resources in a centralized manner, to return the azimuth and vertical distance of the obstacle more precisely.

Among them, azimuth represents the angular deviation between the obstacle and the dead ahead position of LiDAR (0 for dead ahead position, negative for left and positive for right) and the degree of trajectory deflection that the robot requires to avoid the obstacle. Vertical distance represents the distance from the obstacle to the robot (the robot is square at default and LiDAR is installed on the front surface of the robot) and the emergent level for the obstacle avoidance.

2.2. Setting Warning Region under Obstacle Avoidance Mode

In many cases, not all objectives within the detecting range deserve the warning or obstacle avoidance response of the robot. We set the function of the warning zone under the obstacle avoidance mode. With the function, though CE30-A still detects the whole detecting range, it only sends warning signals and obstacle information to the robot when there are objectives in the warning area.

We could set the region of interest (ROI) by width and depth:

The width refers to a width of a LiDAR-centered area extending symmetrically. It’s usually the same as that of the robot, i. e. the width of the robot in the direction of forwarding motion. Depth refers to the vertical distance to the LiDAR, for which the front surface of LiDAR is set to be the zero plane. Usually, it corresponds to the distance that the robot needs to make brake response to obstacles.

Under the obstacle avoidance mode with ROI setting, CE30-A will preferentially trace the obstacles in the ROI. For example, Objective A inside the ROI and Objective B outside the ROI exist simultaneously. Even though Objective B is nearer to CE30-A than Objective A, CE30-A still returns the information of Objective A rather than Objective B.

Typical Applications:

Robot Obstacle Avoidance
AGV Navigation & Positioning
Short Distance Trigger
Wheel Ahead Detection / Alert

NOTE: Delivery is made in 2~5 working days after confirmed order payment. The price is EXW Beijing with extra shipping. Shipping Invoice value may be lower for easier import process.

Additional information

Weight 3 lbs


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Benewake is a high-tech corporation dedicated to LiDAR for Robots and drones/UAV/UAS. Our company is specializing in R&D, manufacturing and sales of ToF LiDAR distance ranging sensor. Our Lidar products have mass production and deployment with high customer satisfaction.

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