Em Andamento

Robotics and Image Processing

Task Description:

A product is to be made by gluing together two injection-moulded plastic components, A and B. It is proposed that a robot will perform the task using the following steps:

1. A pre-glued component A arrives on a conveyor belt to a predetermined location and the conveyor belt stops. The robot picks up A and inserts it into a fixture. The part is secured by vacuum suckers that pull A downwards into the fixture. Once the part is removed from the conveyor, the robot has to issue a binary signal to the conveyor to deliver another new component A.

2. Component B is supplied in a spring-loaded vertical stack which delivers the component to a fixed position from where it can be gripped by the robot.

3. The robot transports B and inserts it into component A. It pushes the assembly together with a force of 20 to 30 N.

4. Pressure is applied for 30 seconds and then the robot removes the complete assembly and places it onto a third conveyor. The robot has to issue a binary signal to the conveyor which increments its position to await the next completed assembly.

Coursework Requirement:

You are required to complete a conceptual design of the assembly cell paying particular attention to the interface requirements of all the control signals required to operate devices and ensure that the process operates effectively, whilst being able to detect all errors, for example the lack of a component.

Pay particular attention to the following:

1. Draw a plan view of the assembly cell which identifies all the sensors and devices

you plan to use.

2. Draw a block diagram of the overall system which includes all the sensors and

devices that are included in your design. The block diagram needs to be fully

annotated showing all input/output lines to the robot, all sensors, and devices.

Number each control line so that it can be specifically referenced in your program –

see item 6 below.

3. When designing your system ensure that it is capable of detecting all potential errors.

4. You may assume that a single axis force sensor is already connected to the robot

wrist and is capable of measuring the 20 – 30 N vertical force. This force sensor

utilizes strain gauges and the in-built bridge circuit and amplifier gives 0 to 12 volts

output corresponding to 0 – 40 N. An 8-bit ADC is to be used.

5. You must also assume that the robot has an I/O port with 10 inputs and 12 outputs.

6. Once you have designed your system you need to write a simple pseudo-code

program which illustrates how the robot will control the system – ie. How the

various sensors will be read into the controller, how external devices are controlled

(such as the conveyor belts), and how the force value will be detected and

maintained.

The specified task and the requirements have been deliberately left vague to ensure that each student will interpret things slightly differently – this is a good thing! As a consequence each submission should be, and will be expected to be, unique.

Submission:

The submission will require only THREE elements (additional text will NOT be

marked) :

1. The detailed plan view.

2. The detailed block diagram – clear and precise.

3. The pseudo-code program. This program should use commands such as TestI,

WriteO, WaitI, GuardI. Ensure that ALL I/O line numbers correlate with those

assigned on your block diagram.

Habilidades: Engenharia Elétrica, Engenharia, Design de Fabricação, Engenharia Mecânica, Robótica

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Acerca do Empregador:
( 3 comentários ) Cardiff, United Kingdom

ID do Projeto: #6839674

Premiar a:

adil711

Dear Sir/madam your task is according to my skills so, i am here to offer your my skills by doing this [url removed, login to view] see my portfolio [url removed, login to view] you want to discuss any thing feel free to contact in private message.i shel Mais

£100 GBP em 2 dias
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2 freelancers estão ofertando em média £161 para este trabalho

itachi23

hi i can do the design , usually they do it in PLC to control the robot arm ........................................... .................. ..........

£222 GBP in 3 dias
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