the braking efficiency as a function of tire-roadway function coefficient is presented in Fig. 7-4 for the loaded and empty vehicle conditions. Good agreement is noted between experimental and theoretical results. This is due mainly to the fact that brake fade is included in the braking analysis.The effects of brake response times upon the braking efficiency of vehicles equipped with pneumatic brake systems are of considerable significance. especially in longer combination vehicles. The equations used in the Braking Performance Calculation Program do not take into consideration the individual time delays of the different axles. However, this can be done easily in the dynamic simulation programs described in the next paragraph.
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