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TABLE II CLOSED-LOOP NEURAL CONTROL
2004
Cited by 6
Table 1. Relationship between control theory and treatment planning. Closed-loop control Radiation therapy
"... In PAGE 3: ...) Unlike the open-loop control in conventional RT, in ART the controller outputs a plan (the action) for only the current treatment fraction. Table1 summarizes the relationship between control theory and treatment planning. Closed-loop control algorithms (which we propose for ART) are richer than static open- loop control algorithms (found for example in conventional RT).... ..."
Table 2. Closed-loop velocity control with position sensing, velocity estimation and disturbance input.
2001
Cited by 2
Table 5.2: Feedback control action and closed-loop cost for MPC and optimal control.
1994
Cited by 1
TABLE I CLOSED LOOP PROPERTIESIN CASE OF PLANT AND CONTROLLER CONFIGURATIONS
Table 3. Comparison of closed-loop ISE values for the STPID control for the 15.6 m column distilling a mixture of benzene and toluene.
"... In PAGE 7: ... In order to simplify the tuning procedure, stan- dard practice is to hold t2 and t3 equal to its minimum possible value and to vary t1 only in order to tune the controller. Table3 shows the tuning of STPID. Figures 6 and 9 show the best STPID control of overhead composition in the face of a 40 and a 20 percent step increase in feed composition respectively.... ..."
Table 2: Closed Loop Models
2002
"... In PAGE 12: ... For C2, we have K2 P = 503 and K2 I = 669. Refer to Table2 for a summary of different control gains. For the multiple SISO controller, KP = diag(K1 P ; K2 P ) and KI = diag(K1 I ; K2 I ).... In PAGE 13: ... Consider Figure 11(b), which uses the gains K2 P = 10000 and K2 I = 13400 (K1 P and K1 I are the same as before). From Table2 , we see that the magnitude of the dominant pole exceeds 1. Thus, control theory predicts that this choice of gains will cause the controller to be unstable.... In PAGE 14: ... Then, we choose Q = diag(1; 1; 0:1; 0:2) to weight the control errors more heavily than the accumu- lated control errors. Using this method, we have designed a less aggressive controller with smaller control gains; KP and KI are given in Table2 . Although the LQR design method does not use the setting time as the design criteria, the transient performance of the closed loop system can still be inferred from the closed loop pole locations.... ..."
Cited by 39
Table 1: Performance of MPC controllers before and after closed-loop identification. The 2 , #1B CD test was used as the
"... In PAGE 13: ... A typical result from one of the trials can be seen in Figure 6. The results of these simulations are summarized in Table1 as a scaled value of the CD variance calculation as outlined in [29]. The MPC controller formed with the identified model proved to reduce the cross-directional variance by roughly 76 , 78#25 if a wet end full array sensor were used.... ..."
Table 3.5: Closed loop properties in case of plant and controller configurations
Table 3: Reduced-order -stabilizing controllers for mass/spring systems. As the required closed-loop decay rate grows, the attainable controller order increases.
1997
Cited by 14
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