Yes, you can access articles related to specific electrical machine design optimization or performance improvement techniques in various journals and publications. These sources provide valuable insights and research findings on the subject matter. Some renowned journals and publications in this field include:

1. IEEE Transactions on Energy Conversion:
- This journal publishes articles on the design, analysis, and optimization of electrical machines.
- It covers a wide range of topics, including performance improvement techniques, optimization algorithms, and novel design approaches.
- You can find articles related to specific electrical machine design optimization or performance improvement techniques in this journal.

2. Electric Power Components and Systems:
- This publication focuses on electrical power systems and components, including electrical machine design.
- It covers topics such as machine modeling, optimization techniques, and performance enhancement methods.
- You can find articles that discuss specific techniques and methodologies for improving the performance of electrical machines in this publication.

3. IET Electric Power Applications:
- This journal covers various aspects of electric power applications, including electrical machine design and optimization.
- It publishes articles on advanced design methodologies, performance analysis, and optimization algorithms.
- You can find articles that specifically address the optimization and performance improvement of electrical machines in this journal.

4. International Journal of Electrical Power & Energy Systems:
- This journal focuses on electrical power systems and energy-related topics, including electrical machine design and optimization.
- It covers a wide range of topics, including advanced machine design techniques, optimization algorithms, and performance improvement approaches.
- You can find articles related to specific electrical machine design optimization or performance improvement techniques in this journal.

Other relevant sources:
- Conference proceedings: Many conferences in the field of electrical engineering and power systems publish proceedings that include research papers on electrical machine design optimization and performance improvement techniques.
- ResearchGate: This online platform allows researchers to share their publications and connect with other researchers. You can find numerous articles related to electrical machine design optimization and performance improvement techniques on ResearchGate.

By exploring these journals, conference proceedings, and online platforms like ResearchGate, you can access a wealth of information and research papers related to specific electrical machine design optimization or performance improvement techniques.