Study of Test-bed for Vacuum Booster and Master Cylinder

Vacuum booster performance test includes many of the pilot projects,and the test standards are not uniform.It can not only limit the product of generic and serialization,but also impede the product quality supervision and technical exchanges.Based on the analysis and research on national standards,and with a large number of tests,we finally used the test bed to determine the loading end as the servo motor power.In the spring piston and the load used two hose load program,control parts of the IPC and PCL Series with interface cards achieved the control of the entire test bed.Hydraulic system used electro-hydraulic servo valve,pneumatic system and the proportional valve with supercharger,respectively controlled the hydraulic and pneumatic.A lot of test proves that this system testing method is reasonable and has complete functions,high degree of automation,accuracy and reliability.