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Anti-collision Solution Based On RedBat System

Anti-collision Solution Based On RedBat System

Anti-collision solution based on RedBat system 1 demand background and characteristics In the factory environment, due to poor visibility behind the forklift, there is a hidden danger to the safety of the workers around the forklift, and this kind of thing happens from time to time. In this...

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Anti-collision solution based on RedBat system

 

1 demand background and characteristics

 

In the factory environment, due to poor visibility behind the forklift, there is a hidden danger to the safety of the workers around the forklift, and this kind of thing happens from time to time. In this anti-collision solution, the main purpose is to solve one problem:


Forklift and people's collision avoidance problem

 

In addition to forklifts, there are some large work vehicles that can’t see the equipment and personnel because of poor driver’s line of sight, thus anti-collision measures are needed  to avoid harm to people and property.


2  typical application scenario

forklift VS people

QQ图片20180820143529.jpg


This mode is mainly used in factory/warehouse collision avoidance, forklift and people to measure each other, to avoid collisions between them, reduce human accidents, and protect personal and property safety.

method to realize

 A UWB ranging module is installed on the forklift truck. The UWB tag is worn by the personnel to complete the distance measurement between the tag and the module. The module outputs a control signal to the relay after ranging with the tag, thereby controlling the alarm and the power supply of the forklift.

3 logical description

Control logic

1.UT-206 and UG-230 ranging, set the UG-230's Distance1, Distance2 parameters to control the UG-230's own relay 1, relay 2; For example: set Distance1 to 6m, relay 1 controls the sound and light alarm; set Distance2 to 4m, relay 2 controls the power supply of the forklift. Different types of forklifts need to set the appropriate Distance for output control.

2.UG-230 can also set every relay’s output alarm time.

For example, set the alarm time of relay 2 is 2 to 4s. When the distance between the person and the forklift is less than 4m, the forklift stops. If the distance between the personnel and the forklift is greater than 4m within 4s, the forklift will resume to start, otherwise the forklift will stop until 4s. The forklift can only be started when there is no distance less than 4m between the personnel and the forklift truck within 4s.

ranging logic

UT-206 will perform ranging request with the ranging module of index0~index4

Disadvantages: If an area encounters a forklift with the same index, the tag will rang with one of the UG-230 randomly.


4 program advantage

Simple configuration, plug and play, no complicated control process.

UG-230 has its own internal relay, which can control the power supply of the alarm device through 


relays.


The customer configures the relay to start or not as needed. At the same time,this system does not


need to do network construction, and can complete rapid deployment.


precise ranging


Accurate ranging with UWB, between cars and people. Ranging accuracy is up

to 10 cm.


5 product selection

  

number


device

model

remarks






1


Control gateway

UG-230

Industrial design,can   be installed in the car, can also be installed in the control bayonet











2


tag

UT-206

External power supply,4.5~5.5V


6 specification

6.1  UG-230 specifications


UG-230 is a ranging module developed by Nanjing Woxu Communication based on UWB technology. This module combines high power and high precision, and has a very high cost performance in ultra-long range. It is mainly used for ultra-long-distance precise ranging, self-organizing network based on wireless distance sensing, and integration of IoT sensors.


6.1.1 Main feature

●   802.15.4a UWB  wireless

● High precision, ranging accuracy up to 10 cm(standard deviation)

● High power, line of sight transmission is better than 150 meters

● External antenna

●  Multi-application interface(TTL/485)

● Two independent relays


6.1.2 Product picture

QQ图片20180820145906.jpg

6.1.3 product specifications



project

description








Product name

UG-230






802.15.4a


Related specification




802.1.4a






RS485 / RS232


interface




SMA *2  (UWB,BLE)





Input voltage

DC 12 ~24V





Instantaneous power consumption

<2 W





Refresh rate

1~10Hz(可调)





RF   specification(UWB)






Working frequency

3.25GHz ~6.75GHz(Channel   1/2/3/5)




 


 




110 kbps






Physical rate


850 Kbps








6.8 Mbps






Output power(25℃)


-21dBm/MHz






Channel bandwidth


500MHz






Antenna gain


External 1.5dBi






Software   specifications










Anchor


UWB operating mode






Tag






UWB effective distance


150m@110Kbps






Configuration method


CLI






Relay specifications








Operating voltage/circuit


250V @10A






Response time


1s






Physical specification








Size(mm)


122×76×19mm






Weight(size)


73 克






Environmental   specifications








temperature


Operating temperature: -40℃~85℃




Storage temperature: -40ºC to 90ºC






humidity

Operating humidity:0%~90% no condensation


Storage humidity:0%~90% no condensation



RoHs

compatible

 


6.2  UT-206  specifications


UT-206 is a wristband-type positioning tag developed by Nanjing Woxu based on UWB technology. The tag is high precision, high power and has a very high cost performance. It Supports both TDoA and ToF positioning methods. This type of tag is primarily used for the positioning of people.


6.2.1 Main feature

●    802.15.4a UWB  wireless

● High precision, ranging accuracy up to 10cm(standard deviation)

● High power, line of sight transmission is better than 100 meters

●   Built-in onboard antenna

●  Large capacity rechargeable lithium battery

●   SOS button


6.2.2  Product picture


QQ图片20180820150511.jpg

6.2.3  Product specifications



project


descriptions













Product name


UT-206








Related specifications


802.15.4a








Charging interface


Micro-USB








button


SOS button








Charging voltage

DC 5V










Instantaneous power consumption

<1W










Battery capacity

600mAh










endurance

>1 month(ToF)




(normal temperature 25℃,1Hz)

>6  month(TDoA)









Refresh rate

1~10Hz(adjustable)










Green LED


UWB  flashing while working












charging

Blue bright







LED status



Full charge(shut down   while charging)

Green bright


Tricolor LED







Low battery(operating)

Red flashing













Normal power(operating)

Green flashing







RF   specification(UWB)










Working frequency

3.25GHz ~6.75GHz(Channel   1/2/3/5)









110 Kbps









Physical rate

850 Kbps










6.8 Mbps









Output power(25℃)

-21dBm/MHz









Channel bandwidth

500MHz









Antenna gain

0.5 dBi










Software   spenification












 

UWB  operating mode

TDoA




TOF



UWB effective distance

100  meters@6.8Mbps  unobstructed



sleep

Intelligent sleep



Alarm upload

SoS  button


Low battery alarm



Alarm is issued

vibration



configuration

UART interface,CLI  configuration



Physical   specifications




size(mm)

42×41×20mm



weight(gram)

26.4 g



Environmental   specifications




temperature

Operating temperature: -20℃~65℃


Storage temperature: -30ºC~75ºC



humidity

Operating humidity:0%~90% no condensation


Storage humidity:0%~90% no condensation



Waterproof and dustproof

IP64



RoHs

compatible








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