Guangzhou Leisure Auto Safety Technology Co., Ltd.
Guangzhou Leisure Auto Safety Technology Co., Ltd.
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Driver status monitor (DSM)+ Driver advanced assistance system(ADAS)+ MDVR+4G transmission+monitor center
Product Description
LS-829
Driver monitor system(DMS)+ Driver advanced assistance system(ADAS)+ MDVR+4G transmission+monitor center
Functions
| Working voltage | 11.3V – 15V,22V – 36V |
| working current | <350mA @DC 24V |
| ADAS Camera Resolution | 1920*1080 |
| ADAS Camera FoV | 50 degrees |
| DMS Camera Resolution | 1280*720 (Infrared night vision) |
| DMS Camera FoV | 90 degrees |
| ADAS Camera Exterior Size | 150*80*45mm |
| DMS Camera Exterior Size | 110*87*32.5mm |
I. Product Description
LS-829 Safety Assistance System is a product geared towards scenarios in commercial vehicles. Based on deep-learning technology, the product is equipped with forward collision warning and driving behavior monitoring, greatly reducing accidents and saving lives.
When ADAS Camera detects a potential risk, such as collision with the vehicle in front, vehicles distance is too close, or accidental deviation from its lane, the system will voice-alert the driver to take actions. DMS Camera will identify the driver’s abnormal behaviors, such as fatigue driving, distracted driving, smoking, making telephone calls, drinking water, and not wearing seat belts. It will also verify the driver’s identity via the face recognition algorithm.
When ADAS or DMS warning is triggered, LS-829 directly uploads the pictures or videos of the risky moments to the cloud via the system’s 4G Netcom, or it will transfer the warning information to a third party's vehicle network via RS232 serial port. While lowering the traffic accidents rate, the company is able to deeply analyze the driver’s driving behavior based on the warning data collected, improving the fleet’s operation efficiency, lowering insurance company’s claim rate, and taking away some of the concerns from the government departments.
Applicable Industries: Cargo trucks, dump trucks, public buses, school buses, taxis, and ride-sharing services.
II. Function Definitions
The system checks the distance between the vehicle in front real-time, and it calculates the potential collision time based on two vehicles’ relative speeds. Alarm is triggered when the potential collision time is less than the threshold value.
| Alarm sound | · Four continuous treble-tone sounds. |
| · Turn-on threshold: Default setting turns on when the vehicle speed is over | |
| Alarm threshold | 30km/hr. |
| · Trigger threshold: Increases with the vehicle speed, lowest 2.7 seconds, | |
| highest 5.2 seconds | |
| Alarm precision | · 98% warning accuracy when there is a 5% miss rate. |
| Invalidation | · When the backlight is too strong, the system will be ineffective temporarily. |
| · During heavy rain and foggy days, the system will be ineffective due to low | |
| scenario | |
| visibility. | |
Based on your vehicle’s speed, the system checks the distance with the vehicle in front real-time, and it estimates the collision time if the front vehicle brakes suddenly. Alarm is triggered when the collision time is less than the threshold value.
| Alarm sound | · An alto-tone sound every 0.5 second. |
| · Turn-on threshold: Turns on when the vehicle speed is over 30km/hr. | |
| Alarm threshold | · Trigger threshold: Supports the back-end configuration threshold value. |
| Recommended 0.8 second for small vehicles, 1.2 second for large vehicles. | |
| Detection | · Real value based on the distance detected by millimeter-wave radar with |
| precision | average error <10%. |
Invalidation· During heavy rain and foggy days, the system will be ineffective due to low
scenario visibility.
The system detects the lanes to the right and left real-time. An alarm is triggered when the system detects an unconscious lane deviation based on right and left turn signals.
| Alarm sound | · A series of continuous short sounds. | |
| · Turn-on threshold: Default setting turns on when the vehicle speed is over | ||
| Alarm threshold | · | 55km/hr. |
| Trigger threshold: Temporarily cannot adjust the sensitivity | ||
| Alarm precision | · | 99% warning accuracy when there is a 5% miss rate. |
Invalidation· During heavy rain and foggy days, the system will be ineffective due to low
scenario visibility.
Alarm triggered when the system detects the driver has closed his eyes over the threshold time length.
| Alarm sound | · Voice warning, “Eyes closing too long.” |
| · Turn-on threshold: Default setting turns on when the vehicle speed is over | |
| Alarm threshold | 10km/hr. |
| · Trigger threshold: The driver closes his eyes for more than 1.5 second. | |
| · Cool-down: 10-second cool-down between the alarm sounds. | |
| Alarm precision | · 98% warning accuracy when there is a 5% miss rate. |
| Invalidation | · Fails to detect in highly-reflective sunglasses; the system works with normal |
| scenario | sunglasses. |
Alarm triggered when the system detects the driver has yawned over the threshold time length.
| Alarm sound | · Voice warning, “Yawning.” |
| · Turn-on threshold: Default setting turns on when the vehicle speed is over | |
| Alarm threshold | 10km/hr. |
| · Trigger threshold: The driver yawns for more than 1 second. | |
| · Cool-down: 10-second cool-down between the alarm sounds. | |
| Alarm precision | · 98% warning accuracy when there is a 5% miss rate. |
When the vehicle speed is over 10km/hr, the system will use driver’s facial features to identify the face orientation when driving normally. Alarm will be triggered when the system detects the driver has a long-term, large-angle deviation from a normal face orientation.
| Alarm sound | · Voice warning, “Keep in focus.” |
| · Turn-on threshold: Default setting turns on when the vehicle speed is over | |
| 10km/hr. | |
| · Trigger threshold: Referencing on the driver’s normal driving face orientation, | |
| Alarm threshold | the alarm is triggered when the system detects the face deviates more than 30 |
| degrees to the right or left, or 18 degrees up and down, and the deviation is | |
| longer than 2 seconds. | |
| · Cool-down: 10-second cool-down between the alarm sounds. | |
| Alarm precision | · 98% warning accuracy when there is a 5% miss rate. |
Alarm triggered when the system detects the driver’s smoking movements.
| Alarm sound | · Voice warning, “No smoking.” |
| · Turn-on threshold: Turns on when the vehicle speed is over 10km/hr. | |
| Alarm threshold | · Trigger threshold: The driver's smoking movements last for more than 1 |
| second. | |
| · Cool-down: 30-second cool-down between the alarm sounds. | |
| Alarm precision | · 98% warning accuracy when there is a 5% miss rate. |
Alarm triggered when the system detects the driver holds cell phone next to his/her ear while driving.
| Alarm sound | · Voice warning, “No phone call.” |
| · Turn-on threshold: Turns on when the vehicle speed is over 10km/hr. | |
| Alarm threshold | · Trigger threshold: When driver is in telephone call status for more than 2.5 |
| seconds. | |
| · Cool-down: 20-second cool-down between the alarm sounds. | |
| Alarm precision | · 98% warning accuracy when there is a 5% miss rate. |
Alarm triggered when the system detects the driver is drinking water. Supports various common drinking water tools such as cups, disposable cups, thermal cups, mineral water bottles, and other drinking containers.
| Alarm sound | · Voice warning, “Water drinking.” |
| · Turn-on threshold: Turns on when the vehicle speed is over 10km/hr. | |
| Alarm threshold | · Trigger threshold: When driver is in drinking water status for more than 1 |
| second. | |
| · Cool-down: 10-second cool-down between the alarm sounds. | |
| Alarm precision | · 98% warning accuracy when there is a 5% miss rate. |
Alarm triggers when the system detects the driver without a seatbelt.
| Alarm sound | · Voice warning, “Please fasten your seat belt.” |
| · Turn-on threshold: Turns on the function when the device is activated. | |
| Alarm threshold | · Trigger threshold: When the driver is not wearing a seat belt for more than 1 |
| second. | |
| · Cool-down: 300-second cool-down between the alarm sounds. | |
| Alarm precision | · 98% warning accuracy when there is a 5% miss rate. |
The system will be triggered when it detects an abnormality in the DMS Camera, for example, abnormal angle, long-term covering, or no-picture.
| Alarm sound | · No audible alarm on the device. |
| · Turn-on threshold: Turns on when the vehicle speed is over 10km/hr. | |
| Alarm threshold | · Trigger threshold: Camera cannot detect any human face for more than 1,800 |
| seconds. | |
| · Cool-down time: 3,600 seconds. | |
| Alarm precision | · 98% warning accuracy when there is a 5% miss rate. |
After launching driver’s identity authentication, the system will analyze the real-time human face video. It will select human face pictures at the right angles and compare with the local human face database. Successful identification will provide one of the two results: 1. The driver is a designated driver in the identification database; 2. The driver is an unknown driver that is not in the identification database. If the system cannot find the right angles for face pictures or other reasons, it will return with a recognition failure.
| Alarm sound | ·No audible alarm on the device. |
| Alarm threshold | Turn-on threshold: Turns on to monitor every 30 minutes. |
| Trigger threshold: Alarm triggered when an driver is not found in the identification library. | |
| Alarm precision | Driver identification database can store information of up to 1,000 people with >99% accuracy rate. |
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