Vibration Control of Buildings Using Magnetorheological Damper: A New Control Algorithm

Figure 2

Lumped mass model of a multistory building with 𝑛 floors under acceleration ground input: 𝑥₁,𝑥₂,…, and 𝑥_𝑛 indicate floors’ displacements; 𝑘₁,𝑘₂,…, and 𝑘_𝑛 indicate floors’ stiffness coefficients; 𝑐₁,𝑐₂,…, and 𝑐_𝑛 indicate floors’ damping coefficients; 𝑓₁,𝑓₂,…, and 𝑓_𝑛 indicate distributed control forces; 𝑚₁,𝑚₂,…, and 𝑚_𝑛 indicate floors’ lumped masses; 𝑥̈_𝑔 indicates one-dimensional ground acceleration.