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Roughly speaking, dissipativity theory is useful for the design of feedback control laws for linear and nonlinear systems. Dissipative systems theory has been discussed by V.M. Popov, J.C. Willems, D.J. Hill, and P. Moylan. In the case of linear invariant systems模板:Clarify, this is known as positive real transfer functions, and a fundamental tool is the so-called Kalman–Yakubovich–Popov lemma which relates the state space and the frequency domain properties of positive real systems模板:Clarify.[10] Dissipative systems are still an active field of research in systems and control, due to their important applications.

Roughly speaking, dissipativity theory is useful for the design of feedback control laws for linear and nonlinear systems. Dissipative systems theory has been discussed by V.M. Popov, J.C. Willems, D.J. Hill, and P. Moylan. In the case of linear invariant systems模板:Clarify, this is known as positive real transfer functions, and a fundamental tool is the so-called Kalman–Yakubovich–Popov lemma which relates the state space and the frequency domain properties of positive real systems模板:Clarify.[10] Dissipative systems are still an active field of research in systems and control, due to their important applications.

粗略地说，耗散性理论对于线性系统的设计是有用的。耗散系统理论已经由V.M.Popov、J.C.Willems、D.J.Hill和P.Moylan讨论过。在线性不变系统的情况下，这被称为正实传递函数，一个基本的工具就是所谓的Kalman-Yakubovich-Popov引理，它联系了正实系统的状态空间和频域特性。

粗略地说，耗散理论对于设计线性和非线性系统的反馈控制律是有用的。V.M.Popov、J.C.Willems、D.J.Hill和P.Moylan讨论过耗散系统理论。在线性不变系统中，这被称为'''<font color="#FFD700"> 正实传递函数positive real transfer functions</font>'''，一个基本的工具就是所谓的'''<font color="#FFD700">Kalman-Yakubovich-Popov引理Kalman–Yakubovich–Popov lemma</font>'''，它关系到正实系统的状态空间和频域特性。由于其重要的应用，耗散系统一直是系统与控制领域的研究热点。

== 量子耗散系统 Quantum dissipative systems ==

== 量子耗散系统 Quantum dissipative systems ==