Ijraset Journal For Research in Applied Science and Engineering Technology
Authors: Bhargabi Hazarika, Prof. Arup Barman
DOI Link: https://doi.org/10.22214/ijraset.2026.83937
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Agriculture consumes nearly 70% of global freshwater, yet traditional irrigation systems are only 35–40% efficient, leading to significant water wastage. This research presents Stage 2 of Crescera, an AI- and IoT-based smart irrigation and crop disease detection system designed to improve water management and agricultural productivity. Stage 1 successfully introduced an AI-IoT platform featuring a three-parameter Water Need Index (WNI), CNN-based leaf disease detection, dual AI/manual operation, and a multilingual interface. However, it faced limitations such as processing bottlenecks on the ESP8266, limited sensor inputs, support for only four grape diseases, and the lack of offline functionality. To address these issues, Stage 2 introduced several major enhancements: Upgraded hardware from ESP8266 to a dual-core ESP32 with FreeRTOS for better multitasking. Expanded the WNI from three to five parameters by adding soil temperature and soil pH measurements. Replaced the basic CNN with a ResNet-34 + CBAM attention model, increasing disease detection from 4 to 8 crop diseases. Developed a Progressive Web Application (PWA) with offline support, real-time visualization, and multilingual access. Conducted a 45-day field trial on rice, wheat, and sugarcane to validate system performance. The enhanced system uses a five-parameter WNI (soil moisture, ambient temperature, humidity, soil temperature, and soil pH) to make intelligent irrigation decisions. A hysteresis control mechanism reduces unnecessary pump switching, improving system stability and energy efficiency. For disease detection, the ResNet-34 + CBAM model was trained on 12,400 leaf images from public datasets and field-collected samples, enabling accurate recognition of eight plant diseases across multiple crops. Key Results Irrigation accuracy: 94.3% (up from ~91% in Stage 1). Disease detection accuracy: 97.1% (up from 95%). Water savings: 35% compared with conventional irrigation. Response latency: Reduced to 1.2 seconds (40% faster than Stage 1). Pump cycling: Reduced by 41% using hysteresis control. Offline functionality: PWA supports 72-hour local data storage. Field validation: Successfully tested over 45 days on rice, wheat, and sugarcane.
This study introduces the concept of Family Cognitive Sovereignty (FCS), defined as the collective right and responsibility of families to think independently, form beliefs, make decisions, and transmit values without undue external influence. The research argues that in today's digital age, families face unprecedented cognitive threats from algorithm-driven platforms, surveillance capitalism, ideological pressures, peer influence, consumerism, and cultural drift, all of which gradually erode their ability to govern their own thinking.
The paper begins by explaining that cognitive sovereignty—the ability to think freely and resist manipulation—is increasingly threatened by digital technologies designed to capture attention and shape beliefs. Neuroscience shows that the human brain is naturally susceptible to repeated external stimuli, while sociology and cultural neuroscience demonstrate that cognition develops through social interaction. Since the family is the first and most influential cognitive environment, its weakening has profound implications for children's development and society as a whole.
The study identifies a major theoretical gap: although concepts such as individual cognitive autonomy, information sovereignty, family systems, and media literacy have been widely studied, no existing framework treats the family as a collective cognitive agent with the right and responsibility to govern its shared knowledge, beliefs, and values. This absence leaves families vulnerable to external cognitive influences that shape children's beliefs before parents can transmit their own values.
The study aims to:
A systematic literature review following PRISMA guidelines was conducted. Researchers searched major academic databases and reviewed 100 scholarly sources published between 1990 and 2025. The literature was organized into five thematic domains:
The thematic analysis revealed several important insights:
The review concludes that no existing theory integrates cognitive autonomy, digital influence, family systems, resilience, and cultural transmission into a unified model explaining how families can preserve their cognitive independence. This gap motivates the development of the Family Cognitive Sovereignty (FCS) framework.
The proposed FCS framework defines family cognitive sovereignty as having three dimensions:
The framework views families as cognitive communities that collectively create meaning through discussion, traditions, shared experiences, and intentional value transmission. Rather than simply resisting external influence, cognitively sovereign families actively develop their own interpretive frameworks, encourage critical thinking, and practice deliberate decision-making.
The study identifies six major external threats:
These forces do not determine family behaviour but require conscious recognition and critical management to preserve independent thinking.
This study addressed a significant and generative gap in interdisciplinary scholarship by introducing and theorising Family Cognitive Sovereignty as a unified conceptual framework. Through a systematic and thematic review of 100 peer-reviewed sources, the study established that while individual cognitive autonomy, digital influence, family systems dynamics, cultural transmission, and family resilience have each been theorised in depth, no prior framework had integrated these dimensions into a coherent account of the family as a sovereign epistemic community. The proposed FCS model — comprising five cyclical stages grounded in six foundational pillars and oriented toward five sovereign outcomes — offers a theoretically integrative and practically generative contribution to the fields of family studies, cognitive science, media ecology, and cultural psychology. The study also demonstrates that the threats to family cognitive sovereignty are structurally organised, financially motivated, and technically advanced, necessitating an equally methodical and intentional response. Future research should concentrate on developing assessment instruments for each phase of the cycle, examining design and policy interventions that support rather than compromise family-level epistemic autonomy, and conducting empirical validation of the FCS framework across a range of socioeconomic and cultural contexts. This study demonstrates that a sovereign family mentality is grounded in reality, open to new information, and committed to everyone\'s well-being.
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Publish Date : 2026-06-24
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