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1. Frozen Dough: Its Quality Attributes and Designing of Advanced Process Controllers -3 -2 -1 0 1 2 3 -3 -2 -1 0 1 2 3 0 1 2 3 Mathematical Modeling Process Control Food Product Quality 1 𝛼 𝜕𝑇(𝑟, 𝜃, 𝑡) 𝜕𝑡 = 1 𝑟2 𝜕 𝜕𝑟 𝑟2 𝜕𝑇(𝑟, 𝜃, 𝑡) 𝜕𝑟 + 1 𝑟2 𝑠𝑖𝑛𝜃 𝜕 𝜕𝜃 𝑠𝑖𝑛𝜃 𝜕𝑇(𝑟, 𝜃, 𝑡) 𝜕𝜃 Controller Design