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Programmable Implementation of Diamond-Shaped Type-2 Membership Function in CMOS Technology

机译:CMOS技术中菱形2型隶属函数的可编程实现

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In this paper, circuit implementation of diamond-shaped type-2 membership function in CMOS technology is presented. Designing of mixed analog/digital circuits provides a flexible configuration as well as the highly accurate performance, where analog circuits are employed to realize required functions, while the programmable units implemented using digital circuits. The current-mode approach is employed owing to the simple circuitry and intuitive configuration to design the circuits. The programmability of the circuit in terms of slopes, upper, and lower modal points enables the expert of the system to create other shapes of type-2 membership functions including rectangular, rhombus, triangular, and trapezoidal. For a particular set of programming parameters of diamond-shaped type-2 membership function, post layout simulation results of the proposed circuit using HSPICE and level 49 parameters (BSIM3v3) in 0.18 (mu )m technology, demonstrate an average power consumption of 0.688 mW, maximum propagation delay of 8.7 ns and a relative error as low as (pm )1 %. Furthermore, Monte Carlo analysis is carried out to ensure the robustness of the circuit performance against the process variation.
机译:本文介绍了CMOS技术中菱形2型隶属函数的电路实现。混合模拟/数字电路的设计提供了灵活的配置以及高精度的性能,其中使用模拟电路来实现所需的功能,而可编程单元则使用数字电路来实现。由于简单的电路和直观的配置来采用电流模式方法来设计电路。电路在斜率,上下模态点方面的可编程性使系统专家可以创建其他形状的2类隶属函数,包括矩形,菱形,三角形和梯形。对于一组特定的菱形2型隶属函数编程参数,所提议的电路在0.18μm技术下使用HSPICE和49级参数(BSIM3v3)进行后布局仿真的结果表明,平均功耗为0.688 mW ,最大传播延迟为8.7 ns,相对误差低至(pm)1%。此外,进行蒙特卡洛分析以确保电路性能针对工艺变化的鲁棒性。

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