The paper is devoted to an experimental test bed for tokamak plasma control systems simulations in real time a part of tokamak control systems development cycle. Control problems of tokamak plasmas are described. Test Bed consists of target PCs for modeling MIMO plant and controller on real-time operating system xPC Target from MathWorks and a workstation (Host PC) with MATLAB/Simulink development environment. This environment allows to automatically generate and compile plant and controller codes with Real-Time Workshop and to upload compiled programs to the target PCs. The raw Ethernet is used to connect the target PCs to each other. Two plasma shape and current MIMO H∞ control systems were designed and simulated on the Test Bed specifically for tokamaks T-15MD and ITER on linear plasma models obtained from nonlinear plasma physics DINA code on plasma current flat-top phase. The real time test bed simulation results are presented for both tokamaks when minor disruptions occur.