Fluid Power: 9th

I. Pumps and Motors. 1. On the modelling of flow- and torque-loss in hydrostatic machines. 2. The structural analysis of piston balls and hydrostatic slipper bearings in swash plate type axial piston motors. 3. The digital displacement hydraulic piston pump. 4. The design of fluid power equipment for operation on plain water. II. Valves and Pneumatics. 5. Innovative electron-hydraulic developments for the fluid power industry. 6. A comparison of the performance of single-spool and two-spool, two-stage flow control valves. 7. Serial communication control of PWM energizing electrohydraulic servo-actuators. 8. A new approach to flow amplification: differential flow amplifiers (DIFFA). 9. Incremental control of a valve actuator employing optopneumatic conversion. 10. Performance characteristics of spool-type pneumatic valves. 11. Pneumatic proportional valve with internal feedback. 12. Dynamic modelling and simulation of pneumatic systems. III. Control Techniques. 13. Adaptive control of hydraulic actuators with flexible mechanical loads. 14. Design rules for observer based digital servos. 15. Design and implementation of a digital controlled hydraulic test robot. 16. Special features of heavy water fluid power systems in Indian nuclear power plants. IV. Measurements and Monitoring. 17. Temperature analysis in hydraulic systems. 18. An indirect measurement of equivalent underlaps of spool valves. V. Noise, Vibration and Dynamics. 19. Noise problems of hydraulic piston pumps with odd and even numbers of cylinders. 20. An investigation into effects of noise compensation techniques on the sizing and counting accuracy of automatic particle counters. 21. Study on vibrational energy transmission characteristics from cylinder to swashplate within an axial piston pump. 22. Rod seal leakage testing to determine expected product performance in hydraulic cylinders. VI. Simulation. 23. Development of a low-cost expert system shell for condition monitoring of fluid power systems. 24. HYCAAF - A computer-aided analysis facility for hydraulic servo systems. 25. A second generation package for fluid power systems. 26. New software techniques for the CAD of fluid power systems. 27. A library of component models in a fluid power circuit performance simulation program - aspects and methods for improving. 28. Simulation hydraulic valves by means of modulating modelling method.