It is possible to do this.  

The linked EBSCO Connect article offers details of technical requirements.

A recommendation for good integration is to use 

<dc:format>Full text uploaded

As a flag to allow for better linking to full text records in the repository.

The NHS Repositories Community of Practice offers a good forum to learn and share.

There is a cost associated with an integration.  An arrangement has been made with EBSCO to support a consortia model to reduce costs.

Please see:

• Technical requirements for proposed repository integrations (EBSCO Connect) 
• Can my repository be added to the Knowledge & Library Hub?(consortia model)