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A Safe Load Indicator (SLI) or an Automatic Safe Load Indicator (ASLI) is a device which is installed on mobile or portal cranes to alert the operator if the lift is exceeding the safe operating range of the machinery.[1] In some cases, the device will physically lock the machinery in circumstances it determines to be unsafe. SLI systems are usually composed of a microprocessor connected to various sensors on the crane itself. The SLI measures the angle and extension of the boom along with the load weight and compares this with the manufacturer's specifications to determine if the lift is safe.[2]
A safe load indicator has the capability of detecting the angle, weight of load lifted, and ground radius of any lifting device. It controls the lifting equipment to the level that it tries to keep the machinery functioning as per the manufacturer's suggested safety charts.
The crane is fitted with multiple sensors, for each of the measured parameters, which are then further displayed in the operator's cabin for his benefit.
Hello,
Thanks for posting the project.
I am an Electrical Engineer with 30 years’ experience of Customized Product Development for Instrumentation and Control applications. I am based in Kolkata (India) and running a business in the name of "Zetek Systems". I have a good hardware setup and a team for fabrication and testing.
My solution will be based on AT89S52 micro-controller. If you want to make it a very high end product, an industrial PC can be used. In that case it can be also used to store all such incidents with date and time stamps which may be analyzed offline to get information like identifying operators who have got tendency to operate in unsafe way.
Although you have posted the project on hourly rate basis, my preference is for a fixed price basis.
We can discuss more detailed specification, deliverables and milestones through chat.
Please take the bid amount as just a place holder for the time being.
Looking forward to your valued reply.
Regards
- Debasis Basu